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Merge tag 'v6.6.15' into v6.6-rt

Browse Source 
This is the 6.6.15 stable release

Signed-off-by: Clark Williams <clark.williams@gmail.com>
This commit is contained in:
Clark Williams
2024-02-05 09:36:37 -06:00
parent 696a477de8 51f354b815
commit 0d7ddf1967
366 changed files with 5679 additions and 2198 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Documentation/ABI/testing/sysfs-class-devfreq
+3
View File
@@ -52,6 +52,9 @@ Description:
echo 0 > /sys/class/devfreq/.../trans_stat
If the transition table is bigger than PAGE_SIZE, reading
this will return an -EFBIG error.
What: /sys/class/devfreq/.../available_frequencies
Date: October 2012
Contact: Nishanth Menon <nm@ti.com>
Documentation/admin-guide/abi-obsolete.rst
+1 -1
View File
@@ -7,5 +7,5 @@ marked to be removed at some later point in time.
The description of the interface will document the reason why it is
obsolete and when it can be expected to be removed.
.. kernel-abi:: $srctree/Documentation/ABI/obsolete
.. kernel-abi:: ABI/obsolete
:rst:
Documentation/admin-guide/abi-removed.rst
+1 -1
View File
@@ -1,5 +1,5 @@
ABI removed symbols
===================
.. kernel-abi:: $srctree/Documentation/ABI/removed
.. kernel-abi:: ABI/removed
:rst:
Documentation/admin-guide/abi-stable.rst
+1 -1
View File
@@ -10,5 +10,5 @@ for at least 2 years.
Most interfaces (like syscalls) are expected to never change and always
be available.
.. kernel-abi:: $srctree/Documentation/ABI/stable
.. kernel-abi:: ABI/stable
:rst:
Documentation/admin-guide/abi-testing.rst
+1 -1
View File
@@ -16,5 +16,5 @@ Programs that use these interfaces are strongly encouraged to add their
name to the description of these interfaces, so that the kernel
developers can easily notify them if any changes occur.
.. kernel-abi:: $srctree/Documentation/ABI/testing
.. kernel-abi:: ABI/testing
:rst:
Documentation/admin-guide/features.rst
+1 -1
View File
@@ -1,3 +1,3 @@
.. SPDX-License-Identifier: GPL-2.0
.. kernel-feat:: $srctree/Documentation/features
.. kernel-feat:: features
Documentation/arch/arc/features.rst
+1 -1
View File
@@ -1,3 +1,3 @@
.. SPDX-License-Identifier: GPL-2.0
.. kernel-feat:: $srctree/Documentation/features arc
.. kernel-feat:: features arc
Documentation/arch/arm/features.rst
+1 -1
View File
@@ -1,3 +1,3 @@
.. SPDX-License-Identifier: GPL-2.0
.. kernel-feat:: $srctree/Documentation/features arm
.. kernel-feat:: features arm
Documentation/arch/arm64/features.rst
+1 -1
View File
@@ -1,3 +1,3 @@
.. SPDX-License-Identifier: GPL-2.0
.. kernel-feat:: $srctree/Documentation/features arm64
.. kernel-feat:: features arm64
Documentation/arch/arm64/silicon-errata.rst
+2
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@@ -71,6 +71,8 @@ stable kernels.
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A510 | #2658417 | ARM64_ERRATUM_2658417 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A510 | #3117295 | ARM64_ERRATUM_3117295 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A520 | #2966298 | ARM64_ERRATUM_2966298 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A53 | #826319 | ARM64_ERRATUM_826319 |
Documentation/arch/loongarch/features.rst
+1 -1
View File
@@ -1,3 +1,3 @@
.. SPDX-License-Identifier: GPL-2.0
.. kernel-feat:: $srctree/Documentation/features loongarch
.. kernel-feat:: features loongarch
Documentation/arch/m68k/features.rst
+1 -1
View File
@@ -1,3 +1,3 @@
.. SPDX-License-Identifier: GPL-2.0
.. kernel-feat:: $srctree/Documentation/features m68k
.. kernel-feat:: features m68k
Documentation/arch/mips/features.rst
+1 -1
View File
@@ -1,3 +1,3 @@
.. SPDX-License-Identifier: GPL-2.0
.. kernel-feat:: $srctree/Documentation/features mips
.. kernel-feat:: features mips
Documentation/arch/nios2/features.rst
+1 -1
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@@ -1,3 +1,3 @@
.. SPDX-License-Identifier: GPL-2.0
.. kernel-feat:: $srctree/Documentation/features nios2
.. kernel-feat:: features nios2
Documentation/arch/openrisc/features.rst
+1 -1
View File
@@ -1,3 +1,3 @@
.. SPDX-License-Identifier: GPL-2.0
.. kernel-feat:: $srctree/Documentation/features openrisc
.. kernel-feat:: features openrisc
Documentation/arch/parisc/features.rst
+1 -1
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@@ -1,3 +1,3 @@
.. SPDX-License-Identifier: GPL-2.0
.. kernel-feat:: $srctree/Documentation/features parisc
.. kernel-feat:: features parisc
Documentation/arch/s390/features.rst
+1 -1
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@@ -1,3 +1,3 @@
.. SPDX-License-Identifier: GPL-2.0
.. kernel-feat:: $srctree/Documentation/features s390
.. kernel-feat:: features s390
Documentation/arch/sh/features.rst
+1 -1
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@@ -1,3 +1,3 @@
.. SPDX-License-Identifier: GPL-2.0
.. kernel-feat:: $srctree/Documentation/features sh
.. kernel-feat:: features sh
Documentation/arch/sparc/features.rst
+1 -1
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@@ -1,3 +1,3 @@
.. SPDX-License-Identifier: GPL-2.0
.. kernel-feat:: $srctree/Documentation/features sparc
.. kernel-feat:: features sparc
Documentation/arch/x86/features.rst
+1 -1
View File
@@ -1,3 +1,3 @@
.. SPDX-License-Identifier: GPL-2.0
.. kernel-feat:: $srctree/Documentation/features x86
.. kernel-feat:: features x86
Documentation/arch/xtensa/features.rst
+1 -1
View File
@@ -1,3 +1,3 @@
.. SPDX-License-Identifier: GPL-2.0
.. kernel-feat:: $srctree/Documentation/features xtensa
.. kernel-feat:: features xtensa
Documentation/devicetree/bindings/net/snps,dwmac.yaml
+5
View File
@@ -394,6 +394,11 @@ properties:
When a PFC frame is received with priorities matching the bitmask,
the queue is blocked from transmitting for the pause time specified
in the PFC frame.
snps,coe-unsupported:
type: boolean
description: TX checksum offload is unsupported by the TX queue.
allOf:
- if:
required:
Documentation/filesystems/directory-locking.rst
+15 -14
View File
@@ -22,13 +22,16 @@ exclusive.
3) object removal. Locking rules: caller locks parent, finds victim,
locks victim and calls the method. Locks are exclusive.
4) rename() that is _not_ cross-directory. Locking rules: caller locks the
parent and finds source and target. We lock both (provided they exist). If we
need to lock two inodes of different type (dir vs non-dir), we lock directory
first. If we need to lock two inodes of the same type, lock them in inode
pointer order. Then call the method. All locks are exclusive.
NB: we might get away with locking the source (and target in exchange
case) shared.
4) rename() that is _not_ cross-directory. Locking rules: caller locks
the parent and finds source and target. Then we decide which of the
source and target need to be locked. Source needs to be locked if it's a
non-directory; target - if it's a non-directory or about to be removed.
Take the locks that need to be taken, in inode pointer order if need
to take both (that can happen only when both source and target are
non-directories - the source because it wouldn't be locked otherwise
and the target because mixing directory and non-directory is allowed
only with RENAME_EXCHANGE, and that won't be removing the target).
After the locks had been taken, call the method. All locks are exclusive.
5) link creation. Locking rules:
@@ -44,20 +47,17 @@ rules:
* lock the filesystem
* lock parents in "ancestors first" order. If one is not ancestor of
the other, lock them in inode pointer order.
the other, lock the parent of source first.
* find source and target.
* if old parent is equal to or is a descendent of target
fail with -ENOTEMPTY
* if new parent is equal to or is a descendent of source
fail with -ELOOP
* Lock both the source and the target provided they exist. If we
need to lock two inodes of different type (dir vs non-dir), we lock
the directory first. If we need to lock two inodes of the same type,
lock them in inode pointer order.
* Lock subdirectories involved (source before target).
* Lock non-directories involved, in inode pointer order.
* call the method.
All ->i_rwsem are taken exclusive. Again, we might get away with locking
the source (and target in exchange case) shared.
All ->i_rwsem are taken exclusive.
The rules above obviously guarantee that all directories that are going to be
read, modified or removed by method will be locked by caller.
@@ -67,6 +67,7 @@ If no directory is its own ancestor, the scheme above is deadlock-free.
Proof:
[XXX: will be updated once we are done massaging the lock_rename()]
First of all, at any moment we have a linear ordering of the
objects - A < B iff (A is an ancestor of B) or (B is not an ancestor
of A and ptr(A) < ptr(B)).
Documentation/filesystems/locking.rst
+4 -1
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@@ -101,7 +101,7 @@ symlink: exclusive
mkdir: exclusive
unlink: exclusive (both)
rmdir: exclusive (both)(see below)
rename: exclusive (all) (see below)
rename: exclusive (both parents, some children) (see below)
readlink: no
get_link: no
setattr: exclusive
@@ -123,6 +123,9 @@ get_offset_ctx no
Additionally, ->rmdir(), ->unlink() and ->rename() have ->i_rwsem
exclusive on victim.
cross-directory ->rename() has (per-superblock) ->s_vfs_rename_sem.
->unlink() and ->rename() have ->i_rwsem exclusive on all non-directories
involved.
->rename() has ->i_rwsem exclusive on any subdirectory that changes parent.
See Documentation/filesystems/directory-locking.rst for more detailed discussion
of the locking scheme for directory operations.
Documentation/filesystems/porting.rst
+18
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@@ -1045,3 +1045,21 @@ filesystem type is now moved to a later point when the devices are closed:
As this is a VFS level change it has no practical consequences for filesystems
other than that all of them must use one of the provided kill_litter_super(),
kill_anon_super(), or kill_block_super() helpers.
---
**mandatory**
If ->rename() update of .. on cross-directory move needs an exclusion with
directory modifications, do *not* lock the subdirectory in question in your
->rename() - it's done by the caller now [that item should've been added in
28eceeda130f "fs: Lock moved directories"].
---
**mandatory**
On same-directory ->rename() the (tautological) update of .. is not protected
by any locks; just don't do it if the old parent is the same as the new one.
We really can't lock two subdirectories in same-directory rename - not without
deadlocks.
Documentation/gpu/drm-kms.rst
+2
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@@ -546,6 +546,8 @@ Plane Composition Properties
.. kernel-doc:: drivers/gpu/drm/drm_blend.c
:doc: overview
.. _damage_tracking_properties:
Damage Tracking Properties
--------------------------
Documentation/gpu/todo.rst
+3 -4
View File
@@ -337,8 +337,8 @@ connector register/unregister fixes
Level: Intermediate
Remove load/unload callbacks from all non-DRIVER_LEGACY drivers
---------------------------------------------------------------
Remove load/unload callbacks
----------------------------
The load/unload callbacks in struct &drm_driver are very much midlayers, plus
for historical reasons they get the ordering wrong (and we can't fix that)
@@ -347,8 +347,7 @@ between setting up the &drm_driver structure and calling drm_dev_register().
- Rework drivers to no longer use the load/unload callbacks, directly coding the
load/unload sequence into the driver's probe function.
- Once all non-DRIVER_LEGACY drivers are converted, disallow the load/unload
callbacks for all modern drivers.
- Once all drivers are converted, remove the load/unload callbacks.
Contact: Daniel Vetter
Documentation/powerpc/features.rst
+1 -1
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@@ -1,3 +1,3 @@
.. SPDX-License-Identifier: GPL-2.0
.. kernel-feat:: $srctree/Documentation/features powerpc
.. kernel-feat:: features powerpc
Documentation/riscv/features.rst
+1 -1
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@@ -1,3 +1,3 @@
.. SPDX-License-Identifier: GPL-2.0
.. kernel-feat:: $srctree/Documentation/features riscv
.. kernel-feat:: features riscv
Documentation/sphinx/kernel_abi.py
+10 -46
View File
@@ -39,8 +39,6 @@ import sys
import re
import kernellog
from os import path
from docutils import nodes, statemachine
from docutils.statemachine import ViewList
from docutils.parsers.rst import directives, Directive
@@ -73,60 +71,26 @@ class KernelCmd(Directive):
}
def run(self):
doc = self.state.document
if not doc.settings.file_insertion_enabled:
raise self.warning("docutils: file insertion disabled")
env = doc.settings.env
cwd = path.dirname(doc.current_source)
cmd = "get_abi.pl rest --enable-lineno --dir "
cmd += self.arguments[0]
srctree = os.path.abspath(os.environ["srctree"])
args = [
os.path.join(srctree, 'scripts/get_abi.pl'),
'rest',
'--enable-lineno',
'--dir', os.path.join(srctree, 'Documentation', self.arguments[0]),
]
if 'rst' in self.options:
cmd += " --rst-source"
args.append('--rst-source')
srctree = path.abspath(os.environ["srctree"])
fname = cmd
# extend PATH with $(srctree)/scripts
path_env = os.pathsep.join([
srctree + os.sep + "scripts",
os.environ["PATH"]
])
shell_env = os.environ.copy()
shell_env["PATH"] = path_env
shell_env["srctree"] = srctree
lines = self.runCmd(cmd, shell=True, cwd=cwd, env=shell_env)
lines = subprocess.check_output(args, cwd=os.path.dirname(doc.current_source)).decode('utf-8')
nodeList = self.nestedParse(lines, self.arguments[0])
return nodeList
def runCmd(self, cmd, **kwargs):
u"""Run command ``cmd`` and return its stdout as unicode."""
try:
proc = subprocess.Popen(
cmd
, stdout = subprocess.PIPE
, stderr = subprocess.PIPE
, **kwargs
)
out, err = proc.communicate()
out, err = codecs.decode(out, 'utf-8'), codecs.decode(err, 'utf-8')
if proc.returncode != 0:
raise self.severe(
u"command '%s' failed with return code %d"
% (cmd, proc.returncode)
)
except OSError as exc:
raise self.severe(u"problems with '%s' directive: %s."
% (self.name, ErrorString(exc)))
return out
def nestedParse(self, lines, fname):
env = self.state.document.settings.env
content = ViewList()
Documentation/sphinx/kernel_feat.py
+12 -45
View File
@@ -37,8 +37,6 @@ import re
import subprocess
import sys
from os import path
from docutils import nodes, statemachine
from docutils.statemachine import ViewList
from docutils.parsers.rst import directives, Directive
@@ -76,33 +74,26 @@ class KernelFeat(Directive):
self.state.document.settings.env.app.warn(message, prefix="")
def run(self):
doc = self.state.document
if not doc.settings.file_insertion_enabled:
raise self.warning("docutils: file insertion disabled")
env = doc.settings.env
cwd = path.dirname(doc.current_source)
cmd = "get_feat.pl rest --enable-fname --dir "
cmd += self.arguments[0]
srctree = os.path.abspath(os.environ["srctree"])
args = [
os.path.join(srctree, 'scripts/get_feat.pl'),
'rest',
'--enable-fname',
'--dir',
os.path.join(srctree, 'Documentation', self.arguments[0]),
]
if len(self.arguments) > 1:
cmd += " --arch " + self.arguments[1]
args.extend(['--arch', self.arguments[1]])
srctree = path.abspath(os.environ["srctree"])
fname = cmd
# extend PATH with $(srctree)/scripts
path_env = os.pathsep.join([
srctree + os.sep + "scripts",
os.environ["PATH"]
])
shell_env = os.environ.copy()
shell_env["PATH"] = path_env
shell_env["srctree"] = srctree
lines = self.runCmd(cmd, shell=True, cwd=cwd, env=shell_env)
lines = subprocess.check_output(args, cwd=os.path.dirname(doc.current_source)).decode('utf-8')
line_regex = re.compile("^\.\. FILE (\S+)$")
@@ -121,30 +112,6 @@ class KernelFeat(Directive):
nodeList = self.nestedParse(out_lines, fname)
return nodeList
def runCmd(self, cmd, **kwargs):
u"""Run command ``cmd`` and return its stdout as unicode."""
try:
proc = subprocess.Popen(
cmd
, stdout = subprocess.PIPE
, stderr = subprocess.PIPE
, **kwargs
)
out, err = proc.communicate()
out, err = codecs.decode(out, 'utf-8'), codecs.decode(err, 'utf-8')
if proc.returncode != 0:
raise self.severe(
u"command '%s' failed with return code %d"
% (cmd, proc.returncode)
)
except OSError as exc:
raise self.severe(u"problems with '%s' directive: %s."
% (self.name, ErrorString(exc)))
return out
def nestedParse(self, lines, fname):
content = ViewList()
node = nodes.section()
Documentation/translations/zh_CN/arch/loongarch/features.rst
+1 -1
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@@ -5,4 +5,4 @@
:Original: Documentation/arch/loongarch/features.rst
:Translator: Huacai Chen <chenhuacai@loongson.cn>
.. kernel-feat:: $srctree/Documentation/features loongarch
.. kernel-feat:: features loongarch
Documentation/translations/zh_CN/arch/mips/features.rst
+1 -1
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@@ -10,4 +10,4 @@
.. _cn_features:
.. kernel-feat:: $srctree/Documentation/features mips
.. kernel-feat:: features mips
Documentation/translations/zh_TW/dev-tools/index.rst
+40
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@@ -0,0 +1,40 @@
.. include:: ../disclaimer-zh_TW.rst
:Original: Documentation/dev-tools/index.rst
:Translator: Min-Hua Chen <minhuadotchen@gmail.com>
============
內核開發工具
============
本文檔是有關內核開發工具文檔的合集。
目前這些文檔已經整理在一起，不需要再花費額外的精力。
歡迎任何補丁。
有關測試專用工具的簡要概述，參見
Documentation/dev-tools/testing-overview.rst
.. class:: toc-title
目錄
.. toctree::
:maxdepth: 2
sparse
Todolist:
- coccinelle
- kcov
- ubsan
- kmemleak
- kcsan
- kfence
- kgdb
- kselftest
- kunit/index
- testing-overview
- gcov
- kasan
- gdb-kernel-debugging
Documentation/translations/zh_TW/sparse.txt → Documentation/translations/zh_TW/dev-tools/sparse.txt
View File
Documentation/translations/zh_TW/index.rst
+1 -1
View File
@@ -55,11 +55,11 @@ TODOList:
:maxdepth: 1
process/license-rules
dev-tools/index
TODOList:
* doc-guide/index
* dev-tools/index
* dev-tools/testing-overview
* kernel-hacking/index
* rust/index
Makefile
+1 -1
View File
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 6
PATCHLEVEL = 6
SUBLEVEL = 14
SUBLEVEL = 15
EXTRAVERSION =
NAME = Hurr durr I'ma ninja sloth
arch/alpha/kernel/rtc.c
+1 -1
View File
@@ -80,7 +80,7 @@ init_rtc_epoch(void)
static int
alpha_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
int ret = mc146818_get_time(tm);
int ret = mc146818_get_time(tm, 10);
if (ret < 0) {
dev_err_ratelimited(dev, "unable to read current time\n");
arch/arm/boot/dts/nxp/imx/imx6q-apalis-ixora-v1.2.dts
+2
View File
@@ -76,6 +76,7 @@
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_enable_can1_power>;
regulator-name = "can1_supply";
startup-delay-us = <1000>;
};
reg_can2_supply: regulator-can2-supply {
@@ -85,6 +86,7 @@
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_enable_can2_power>;
regulator-name = "can2_supply";
startup-delay-us = <1000>;
};
};
arch/arm/boot/dts/qcom/qcom-sdx55.dtsi
+5 -5
View File
@@ -592,10 +592,10 @@
<&gcc GCC_USB30_MASTER_CLK>;
assigned-clock-rates = <19200000>, <200000000>;
interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 198 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 158 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 157 IRQ_TYPE_LEVEL_HIGH>;
interrupts-extended = <&intc GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
<&pdc 51 IRQ_TYPE_LEVEL_HIGH>,
<&pdc 11 IRQ_TYPE_EDGE_BOTH>,
<&pdc 10 IRQ_TYPE_EDGE_BOTH>;
interrupt-names = "hs_phy_irq", "ss_phy_irq",
"dm_hs_phy_irq", "dp_hs_phy_irq";
@@ -619,7 +619,7 @@
compatible = "qcom,sdx55-pdc", "qcom,pdc";
reg = <0x0b210000 0x30000>;
qcom,pdc-ranges = <0 179 52>;
#interrupt-cells = <3>;
#interrupt-cells = <2>;
interrupt-parent = <&intc>;
interrupt-controller;
};
arch/arm/boot/dts/samsung/exynos4210-i9100.dts
+8
View File
@@ -527,6 +527,14 @@
regulator-name = "VT_CAM_1.8V";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
/*
* Force-enable this regulator; otherwise the
* kernel hangs very early in the boot process
* for about 12 seconds, without apparent
* reason.
*/
regulator-always-on;
};
vcclcd_reg: LDO13 {
arch/arm/boot/dts/samsung/exynos4212-tab3.dtsi
+1
View File
@@ -435,6 +435,7 @@
};
&fimd {
samsung,invert-vclk;
status = "okay";
};
arch/arm64/Kconfig
+18
View File
@@ -1038,8 +1038,12 @@ config ARM64_ERRATUM_2645198
If unsure, say Y.
config ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD
bool
config ARM64_ERRATUM_2966298
bool "Cortex-A520: 2966298: workaround for speculatively executed unprivileged load"
select ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD
default y
help
This option adds the workaround for ARM Cortex-A520 erratum 2966298.
@@ -1051,6 +1055,20 @@ config ARM64_ERRATUM_2966298
If unsure, say Y.
config ARM64_ERRATUM_3117295
bool "Cortex-A510: 3117295: workaround for speculatively executed unprivileged load"
select ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD
default y
help
This option adds the workaround for ARM Cortex-A510 erratum 3117295.
On an affected Cortex-A510 core, a speculatively executed unprivileged
load might leak data from a privileged level via a cache side channel.
Work around this problem by executing a TLBI before returning to EL0.
If unsure, say Y.
config CAVIUM_ERRATUM_22375
bool "Cavium erratum 22375, 24313"
default y
arch/arm64/boot/dts/qcom/msm8916-longcheer-l8150.dts
+1
View File
@@ -88,6 +88,7 @@
#size-cells = <0>;
vcc-supply = <&pm8916_l17>;
vio-supply = <&pm8916_l6>;
led@0 {
reg = <0>;
arch/arm64/boot/dts/qcom/msm8916-wingtech-wt88047.dts
+1
View File
@@ -118,6 +118,7 @@
#size-cells = <0>;
vcc-supply = <&pm8916_l16>;
vio-supply = <&pm8916_l5>;
led@0 {
reg = <0>;
arch/arm64/boot/dts/qcom/msm8916.dtsi
+1
View File
@@ -2085,6 +2085,7 @@
clock-names = "bam_clk";
#dma-cells = <1>;
qcom,ee = <0>;
qcom,controlled-remotely;
};
blsp_uart1: serial@78af000 {
arch/arm64/boot/dts/qcom/msm8939.dtsi
+1
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@@ -1661,6 +1661,7 @@
clock-names = "bam_clk";
#dma-cells = <1>;
qcom,ee = <0>;
qcom,controlled-remotely;
};
blsp_uart1: serial@78af000 {
arch/arm64/boot/dts/qcom/msm8953-xiaomi-mido.dts
+1
View File
@@ -111,6 +111,7 @@
reg = <0x45>;
vcc-supply = <&pm8953_l10>;
vio-supply = <&pm8953_l5>;
#address-cells = <1>;
#size-cells = <0>;
arch/arm64/boot/dts/qcom/msm8953-xiaomi-tissot.dts
+1
View File
@@ -104,6 +104,7 @@
reg = <0x45>;
vcc-supply = <&pm8953_l10>;
vio-supply = <&pm8953_l5>;
#address-cells = <1>;
#size-cells = <0>;
arch/arm64/boot/dts/qcom/msm8953-xiaomi-vince.dts
+1
View File
@@ -113,6 +113,7 @@
reg = <0x45>;
vcc-supply = <&pm8953_l10>;
vio-supply = <&pm8953_l5>;
#address-cells = <1>;
#size-cells = <0>;
arch/arm64/boot/dts/qcom/sc7180.dtsi
+2 -2
View File
@@ -2978,8 +2978,8 @@
interrupts-extended = <&intc GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
<&pdc 6 IRQ_TYPE_LEVEL_HIGH>,
<&pdc 8 IRQ_TYPE_LEVEL_HIGH>,
<&pdc 9 IRQ_TYPE_LEVEL_HIGH>;
<&pdc 8 IRQ_TYPE_EDGE_BOTH>,
<&pdc 9 IRQ_TYPE_EDGE_BOTH>;
interrupt-names = "hs_phy_irq", "ss_phy_irq",
"dm_hs_phy_irq", "dp_hs_phy_irq";
arch/arm64/boot/dts/qcom/sc7280.dtsi
+2 -2
View File
@@ -3668,9 +3668,9 @@
assigned-clock-rates = <19200000>, <200000000>;
interrupts-extended = <&intc GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
<&pdc 14 IRQ_TYPE_LEVEL_HIGH>,
<&pdc 14 IRQ_TYPE_EDGE_BOTH>,
<&pdc 15 IRQ_TYPE_EDGE_BOTH>,
<&pdc 17 IRQ_TYPE_EDGE_BOTH>;
<&pdc 17 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "hs_phy_irq",
"dp_hs_phy_irq",
"dm_hs_phy_irq",
arch/arm64/boot/dts/qcom/sc8180x.dtsi
+8 -8
View File
@@ -2560,10 +2560,10 @@
usb_prim: usb@a6f8800 {
compatible = "qcom,sc8180x-dwc3", "qcom,dwc3";
reg = <0 0x0a6f8800 0 0x400>;
interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 486 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 488 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 489 IRQ_TYPE_LEVEL_HIGH>;
interrupts-extended = <&intc GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
<&pdc 6 IRQ_TYPE_LEVEL_HIGH>,
<&pdc 8 IRQ_TYPE_EDGE_BOTH>,
<&pdc 9 IRQ_TYPE_EDGE_BOTH>;
interrupt-names = "hs_phy_irq",
"ss_phy_irq",
"dm_hs_phy_irq",
@@ -2634,10 +2634,10 @@
"xo";
resets = <&gcc GCC_USB30_SEC_BCR>;
power-domains = <&gcc USB30_SEC_GDSC>;
interrupts = <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 487 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 490 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 491 IRQ_TYPE_LEVEL_HIGH>;
interrupts-extended = <&intc GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>,
<&pdc 7 IRQ_TYPE_LEVEL_HIGH>,
<&pdc 10 IRQ_TYPE_EDGE_BOTH>,
<&pdc 11 IRQ_TYPE_EDGE_BOTH>;
interrupt-names = "hs_phy_irq", "ss_phy_irq",
"dm_hs_phy_irq", "dp_hs_phy_irq";
arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
+2
View File
@@ -458,6 +458,8 @@
};
&mdss0_dp3_phy {
compatible = "qcom,sc8280xp-edp-phy";
vdda-phy-supply = <&vreg_l6b>;
vdda-pll-supply = <&vreg_l3b>;
arch/arm64/boot/dts/qcom/sdm670.dtsi
+4 -4
View File
@@ -1295,10 +1295,10 @@
<&gcc GCC_USB30_PRIM_MASTER_CLK>;
assigned-clock-rates = <19200000>, <150000000>;
interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 486 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 488 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 489 IRQ_TYPE_LEVEL_HIGH>;
interrupts-extended = <&intc GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
<&pdc 6 IRQ_TYPE_LEVEL_HIGH>,
<&pdc 8 IRQ_TYPE_EDGE_BOTH>,
<&pdc 9 IRQ_TYPE_EDGE_BOTH>;
interrupt-names = "hs_phy_irq", "ss_phy_irq",
"dm_hs_phy_irq", "dp_hs_phy_irq";
arch/arm64/boot/dts/qcom/sdm845.dtsi
+8 -8
View File
@@ -4084,10 +4084,10 @@
<&gcc GCC_USB30_PRIM_MASTER_CLK>;
assigned-clock-rates = <19200000>, <150000000>;
interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 486 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 488 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 489 IRQ_TYPE_LEVEL_HIGH>;
interrupts-extended = <&intc GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
<&pdc_intc 6 IRQ_TYPE_LEVEL_HIGH>,
<&pdc_intc 8 IRQ_TYPE_EDGE_BOTH>,
<&pdc_intc 9 IRQ_TYPE_EDGE_BOTH>;
interrupt-names = "hs_phy_irq", "ss_phy_irq",
"dm_hs_phy_irq", "dp_hs_phy_irq";
@@ -4135,10 +4135,10 @@
<&gcc GCC_USB30_SEC_MASTER_CLK>;
assigned-clock-rates = <19200000>, <150000000>;
interrupts = <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 487 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 490 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 491 IRQ_TYPE_LEVEL_HIGH>;
interrupts-extended = <&intc GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>,
<&pdc_intc 7 IRQ_TYPE_LEVEL_HIGH>,
<&pdc_intc 10 IRQ_TYPE_EDGE_BOTH>,
<&pdc_intc 11 IRQ_TYPE_EDGE_BOTH>;
interrupt-names = "hs_phy_irq", "ss_phy_irq",
"dm_hs_phy_irq", "dp_hs_phy_irq";
arch/arm64/boot/dts/qcom/sm8150.dtsi
+8 -8
View File
@@ -3592,10 +3592,10 @@
<&gcc GCC_USB30_PRIM_MASTER_CLK>;
assigned-clock-rates = <19200000>, <200000000>;
interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 486 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 488 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 489 IRQ_TYPE_LEVEL_HIGH>;
interrupts-extended = <&intc GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
<&pdc 6 IRQ_TYPE_LEVEL_HIGH>,
<&pdc 8 IRQ_TYPE_EDGE_BOTH>,
<&pdc 9 IRQ_TYPE_EDGE_BOTH>;
interrupt-names = "hs_phy_irq", "ss_phy_irq",
"dm_hs_phy_irq", "dp_hs_phy_irq";
@@ -3645,10 +3645,10 @@
<&gcc GCC_USB30_SEC_MASTER_CLK>;
assigned-clock-rates = <19200000>, <200000000>;
interrupts = <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 487 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 490 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 491 IRQ_TYPE_LEVEL_HIGH>;
interrupts-extended = <&intc GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>,
<&pdc 7 IRQ_TYPE_LEVEL_HIGH>,
<&pdc 10 IRQ_TYPE_EDGE_BOTH>,
<&pdc 11 IRQ_TYPE_EDGE_BOTH>;
interrupt-names = "hs_phy_irq", "ss_phy_irq",
"dm_hs_phy_irq", "dp_hs_phy_irq";
arch/arm64/boot/dts/rockchip/rk3328-orangepi-r1-plus-lts.dts
+3 -1
View File
@@ -26,9 +26,11 @@
compatible = "ethernet-phy-ieee802.3-c22";
reg = <0>;
motorcomm,auto-sleep-disabled;
motorcomm,clk-out-frequency-hz = <125000000>;
motorcomm,keep-pll-enabled;
motorcomm,auto-sleep-disabled;
motorcomm,rx-clk-drv-microamp = <5020>;
motorcomm,rx-data-drv-microamp = <5020>;
pinctrl-0 = <&eth_phy_reset_pin>;
pinctrl-names = "default";
arch/arm64/boot/dts/rockchip/rk3588s.dtsi
+1
View File
@@ -890,6 +890,7 @@
reg = <RK3588_PD_USB>;
clocks = <&cru PCLK_PHP_ROOT>,
<&cru ACLK_USB_ROOT>,
<&cru ACLK_USB>,
<&cru HCLK_USB_ROOT>,
<&cru HCLK_HOST0>,
<&cru HCLK_HOST_ARB0>,
arch/arm64/boot/dts/sprd/ums512.dtsi
+2 -2
View File
@@ -96,7 +96,7 @@
CPU6: cpu@600 {
device_type = "cpu";
compatible = "arm,cortex-a55";
compatible = "arm,cortex-a75";
reg = <0x0 0x600>;
enable-method = "psci";
cpu-idle-states = <&CORE_PD>;
@@ -104,7 +104,7 @@
CPU7: cpu@700 {
device_type = "cpu";
compatible = "arm,cortex-a55";
compatible = "arm,cortex-a75";
reg = <0x0 0x700>;
enable-method = "psci";
cpu-idle-states = <&CORE_PD>;
arch/arm64/boot/install.sh
+2 -1
View File
@@ -17,7 +17,8 @@
# $3 - kernel map file
# $4 - default install path (blank if root directory)
if [ "$(basename $2)" = "Image.gz" ]; then
if [ "$(basename $2)" = "Image.gz" ] || [ "$(basename $2)" = "vmlinuz.efi" ]
then
# Compressed install
echo "Installing compressed kernel"
base=vmlinuz
arch/arm64/kernel/cpu_errata.c
+17 -4
View File
@@ -432,6 +432,19 @@ static struct midr_range broken_aarch32_aes[] = {
};
#endif /* CONFIG_ARM64_WORKAROUND_TRBE_WRITE_OUT_OF_RANGE */
#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD
static const struct midr_range erratum_spec_unpriv_load_list[] = {
#ifdef CONFIG_ARM64_ERRATUM_3117295
MIDR_ALL_VERSIONS(MIDR_CORTEX_A510),
#endif
#ifdef CONFIG_ARM64_ERRATUM_2966298
/* Cortex-A520 r0p0 to r0p1 */
MIDR_REV_RANGE(MIDR_CORTEX_A520, 0, 0, 1),
#endif
{},
};
#endif
const struct arm64_cpu_capabilities arm64_errata[] = {
#ifdef CONFIG_ARM64_WORKAROUND_CLEAN_CACHE
{
@@ -730,12 +743,12 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
.cpu_enable = cpu_clear_bf16_from_user_emulation,
},
#endif
#ifdef CONFIG_ARM64_ERRATUM_2966298
#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD
{
.desc = "ARM erratum 2966298",
.capability = ARM64_WORKAROUND_2966298,
.desc = "ARM errata 2966298, 3117295",
.capability = ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD,
/* Cortex-A520 r0p0 - r0p1 */
ERRATA_MIDR_REV_RANGE(MIDR_CORTEX_A520, 0, 0, 1),
ERRATA_MIDR_RANGE_LIST(erratum_spec_unpriv_load_list),
},
#endif
#ifdef CONFIG_AMPERE_ERRATUM_AC03_CPU_38
arch/arm64/kernel/entry.S
+13 -9
View File
@@ -428,16 +428,9 @@ alternative_else_nop_endif
ldp x28, x29, [sp, #16 * 14]
.if \el == 0
alternative_if ARM64_WORKAROUND_2966298
tlbi vale1, xzr
dsb nsh
alternative_else_nop_endif
alternative_if_not ARM64_UNMAP_KERNEL_AT_EL0
ldr lr, [sp, #S_LR]
add sp, sp, #PT_REGS_SIZE // restore sp
eret
alternative_else_nop_endif
#ifdef CONFIG_UNMAP_KERNEL_AT_EL0
alternative_insn "b .L_skip_tramp_exit_\@", nop, ARM64_UNMAP_KERNEL_AT_EL0
msr far_el1, x29
ldr_this_cpu x30, this_cpu_vector, x29
@@ -446,7 +439,18 @@ alternative_else_nop_endif
ldr lr, [sp, #S_LR] // restore x30
add sp, sp, #PT_REGS_SIZE // restore sp
br x29
.L_skip_tramp_exit_\@:
#endif
ldr lr, [sp, #S_LR]
add sp, sp, #PT_REGS_SIZE // restore sp
/* This must be after the last explicit memory access */
alternative_if ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD
tlbi vale1, xzr
dsb nsh
alternative_else_nop_endif
eret
.else
ldr lr, [sp, #S_LR]
add sp, sp, #PT_REGS_SIZE // restore sp
arch/arm64/kernel/fpsimd.c
+4 -2
View File
@@ -1280,8 +1280,10 @@ void fpsimd_release_task(struct task_struct *dead_task)
*/
void sme_alloc(struct task_struct *task, bool flush)
{
if (task->thread.sme_state && flush) {
memset(task->thread.sme_state, 0, sme_state_size(task));
if (task->thread.sme_state) {
if (flush)
memset(task->thread.sme_state, 0,
sme_state_size(task));
return;
}
arch/arm64/tools/cpucaps
+1 -1
View File
@@ -84,7 +84,6 @@ WORKAROUND_2077057
WORKAROUND_2457168
WORKAROUND_2645198
WORKAROUND_2658417
WORKAROUND_2966298
WORKAROUND_AMPERE_AC03_CPU_38
WORKAROUND_TRBE_OVERWRITE_FILL_MODE
WORKAROUND_TSB_FLUSH_FAILURE
@@ -100,3 +99,4 @@ WORKAROUND_NVIDIA_CARMEL_CNP
WORKAROUND_QCOM_FALKOR_E1003
WORKAROUND_REPEAT_TLBI
WORKAROUND_SPECULATIVE_AT
WORKAROUND_SPECULATIVE_UNPRIV_LOAD
arch/loongarch/kernel/smp.c
+2 -1
View File
@@ -504,8 +504,9 @@ asmlinkage void start_secondary(void)
unsigned int cpu;
sync_counter();
cpu = smp_processor_id();
cpu = raw_smp_processor_id();
set_my_cpu_offset(per_cpu_offset(cpu));
rcu_cpu_starting(cpu);
cpu_probe();
constant_clockevent_init();
arch/mips/kernel/elf.c
+6
View File
@@ -11,6 +11,7 @@
#include <asm/cpu-features.h>
#include <asm/cpu-info.h>
#include <asm/fpu.h>
#ifdef CONFIG_MIPS_FP_SUPPORT
@@ -309,6 +310,11 @@ void mips_set_personality_nan(struct arch_elf_state *state)
struct cpuinfo_mips *c = &boot_cpu_data;
struct task_struct *t = current;
/* Do this early so t->thread.fpu.fcr31 won't be clobbered in case
* we are preempted before the lose_fpu(0) in start_thread.
*/
lose_fpu(0);
t->thread.fpu.fcr31 = c->fpu_csr31;
switch (state->nan_2008) {
case 0:
arch/mips/lantiq/prom.c
+3 -4
View File
@@ -108,10 +108,9 @@ void __init prom_init(void)
prom_init_cmdline();
#if defined(CONFIG_MIPS_MT_SMP)
if (cpu_has_mipsmt) {
lantiq_smp_ops = vsmp_smp_ops;
lantiq_smp_ops = vsmp_smp_ops;
if (cpu_has_mipsmt)
lantiq_smp_ops.init_secondary = lantiq_init_secondary;
register_smp_ops(&lantiq_smp_ops);
}
register_smp_ops(&lantiq_smp_ops);
#endif
}
arch/mips/mm/init.c
+5 -7
View File
@@ -422,7 +422,12 @@ void __init paging_init(void)
(highend_pfn - max_low_pfn) << (PAGE_SHIFT - 10));
max_zone_pfns[ZONE_HIGHMEM] = max_low_pfn;
}
max_mapnr = highend_pfn ? highend_pfn : max_low_pfn;
#else
max_mapnr = max_low_pfn;
#endif
high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT);
free_area_init(max_zone_pfns);
}
@@ -458,13 +463,6 @@ void __init mem_init(void)
*/
BUILD_BUG_ON(IS_ENABLED(CONFIG_32BIT) && (PFN_PTE_SHIFT > PAGE_SHIFT));
#ifdef CONFIG_HIGHMEM
max_mapnr = highend_pfn ? highend_pfn : max_low_pfn;
#else
max_mapnr = max_low_pfn;
#endif
high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT);
maar_init();
memblock_free_all();
setup_zero_pages(); /* Setup zeroed pages. */
arch/parisc/kernel/firmware.c
+2 -2
View File
@@ -123,10 +123,10 @@ static unsigned long f_extend(unsigned long address)
#ifdef CONFIG_64BIT
if(unlikely(parisc_narrow_firmware)) {
if((address & 0xff000000) == 0xf0000000)
return 0xf0f0f0f000000000UL | (u32)address;
return (0xfffffff0UL << 32) | (u32)address;
if((address & 0xf0000000) == 0xf0000000)
return 0xffffffff00000000UL | (u32)address;
return (0xffffffffUL << 32) | (u32)address;
}
#endif
return address;
arch/powerpc/configs/ps3_defconfig
+1
View File
@@ -24,6 +24,7 @@ CONFIG_PS3_VRAM=m
CONFIG_PS3_LPM=m
# CONFIG_PPC_OF_BOOT_TRAMPOLINE is not set
CONFIG_KEXEC=y
# CONFIG_PPC64_BIG_ENDIAN_ELF_ABI_V2 is not set
CONFIG_PPC_4K_PAGES=y
CONFIG_SCHED_SMT=y
CONFIG_PM=y
arch/riscv/include/asm/pgtable.h
+1 -1
View File
@@ -880,7 +880,7 @@ static inline pte_t pte_swp_clear_exclusive(pte_t pte)
#define TASK_SIZE_MIN (PGDIR_SIZE_L3 * PTRS_PER_PGD / 2)
#ifdef CONFIG_COMPAT
#define TASK_SIZE_32 (_AC(0x80000000, UL) - PAGE_SIZE)
#define TASK_SIZE_32 (_AC(0x80000000, UL))
#define TASK_SIZE (test_thread_flag(TIF_32BIT) ? \
TASK_SIZE_32 : TASK_SIZE_64)
#else
arch/riscv/include/asm/processor.h
+1 -1
View File
@@ -15,7 +15,7 @@
#ifdef CONFIG_64BIT
#define DEFAULT_MAP_WINDOW (UL(1) << (MMAP_VA_BITS - 1))
#define STACK_TOP_MAX TASK_SIZE_64
#define STACK_TOP_MAX TASK_SIZE
#define arch_get_mmap_end(addr, len, flags) \
({ \
arch/riscv/kernel/pi/cmdline_early.c
+1 -2
View File
@@ -38,8 +38,7 @@ static char *get_early_cmdline(uintptr_t dtb_pa)
if (IS_ENABLED(CONFIG_CMDLINE_EXTEND) ||
IS_ENABLED(CONFIG_CMDLINE_FORCE) ||
fdt_cmdline_size == 0 /* CONFIG_CMDLINE_FALLBACK */) {
strncat(early_cmdline, CONFIG_CMDLINE,
COMMAND_LINE_SIZE - fdt_cmdline_size);
strlcat(early_cmdline, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
}
return early_cmdline;
arch/s390/crypto/aes_s390.c
+3 -1
View File
@@ -597,7 +597,9 @@ static int ctr_aes_crypt(struct skcipher_request *req)
* final block may be < AES_BLOCK_SIZE, copy only nbytes
*/
if (nbytes) {
cpacf_kmctr(sctx->fc, sctx->key, buf, walk.src.virt.addr,
memset(buf, 0, AES_BLOCK_SIZE);
memcpy(buf, walk.src.virt.addr, nbytes);
cpacf_kmctr(sctx->fc, sctx->key, buf, buf,
AES_BLOCK_SIZE, walk.iv);
memcpy(walk.dst.virt.addr, buf, nbytes);
crypto_inc(walk.iv, AES_BLOCK_SIZE);
arch/s390/crypto/paes_s390.c
+3 -1
View File
@@ -693,9 +693,11 @@ static int ctr_paes_crypt(struct skcipher_request *req)
* final block may be < AES_BLOCK_SIZE, copy only nbytes
*/
if (nbytes) {
memset(buf, 0, AES_BLOCK_SIZE);
memcpy(buf, walk.src.virt.addr, nbytes);
while (1) {
if (cpacf_kmctr(ctx->fc, &param, buf,
walk.src.virt.addr, AES_BLOCK_SIZE,
buf, AES_BLOCK_SIZE,
walk.iv) == AES_BLOCK_SIZE)
break;
if (__paes_convert_key(ctx))
arch/sh/boards/mach-ecovec24/setup.c
+1 -1
View File
@@ -1220,7 +1220,7 @@ static int __init arch_setup(void)
lcdc_info.ch[0].num_modes = ARRAY_SIZE(ecovec_dvi_modes);
/* No backlight */
gpio_backlight_data.fbdev = NULL;
gpio_backlight_data.dev = NULL;
gpio_set_value(GPIO_PTA2, 1);
gpio_set_value(GPIO_PTU1, 1);
arch/x86/include/asm/syscall_wrapper.h
+21 -4
View File
@@ -58,12 +58,29 @@ extern long __ia32_sys_ni_syscall(const struct pt_regs *regs);
,,regs->di,,regs->si,,regs->dx \
,,regs->r10,,regs->r8,,regs->r9) \
/* SYSCALL_PT_ARGS is Adapted from s390x */
#define SYSCALL_PT_ARG6(m, t1, t2, t3, t4, t5, t6) \
SYSCALL_PT_ARG5(m, t1, t2, t3, t4, t5), m(t6, (regs->bp))
#define SYSCALL_PT_ARG5(m, t1, t2, t3, t4, t5) \
SYSCALL_PT_ARG4(m, t1, t2, t3, t4), m(t5, (regs->di))
#define SYSCALL_PT_ARG4(m, t1, t2, t3, t4) \
SYSCALL_PT_ARG3(m, t1, t2, t3), m(t4, (regs->si))
#define SYSCALL_PT_ARG3(m, t1, t2, t3) \
SYSCALL_PT_ARG2(m, t1, t2), m(t3, (regs->dx))
#define SYSCALL_PT_ARG2(m, t1, t2) \
SYSCALL_PT_ARG1(m, t1), m(t2, (regs->cx))
#define SYSCALL_PT_ARG1(m, t1) m(t1, (regs->bx))
#define SYSCALL_PT_ARGS(x, ...) SYSCALL_PT_ARG##x(__VA_ARGS__)
#define __SC_COMPAT_CAST(t, a) \
(__typeof(__builtin_choose_expr(__TYPE_IS_L(t), 0, 0U))) \
(unsigned int)a
/* Mapping of registers to parameters for syscalls on i386 */
#define SC_IA32_REGS_TO_ARGS(x, ...) \
__MAP(x,__SC_ARGS \
,,(unsigned int)regs->bx,,(unsigned int)regs->cx \
,,(unsigned int)regs->dx,,(unsigned int)regs->si \
,,(unsigned int)regs->di,,(unsigned int)regs->bp)
SYSCALL_PT_ARGS(x, __SC_COMPAT_CAST, \
__MAP(x, __SC_TYPE, __VA_ARGS__)) \
#define __SYS_STUB0(abi, name) \
long __##abi##_##name(const struct pt_regs *regs); \
arch/x86/kernel/hpet.c
+1 -1
View File
@@ -1438,7 +1438,7 @@ irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id)
memset(&curr_time, 0, sizeof(struct rtc_time));
if (hpet_rtc_flags & (RTC_UIE | RTC_AIE)) {
if (unlikely(mc146818_get_time(&curr_time) < 0)) {
if (unlikely(mc146818_get_time(&curr_time, 10) < 0)) {
pr_err_ratelimited("unable to read current time from RTC\n");
return IRQ_HANDLED;
}
arch/x86/kernel/rtc.c
+1 -1
View File
@@ -67,7 +67,7 @@ void mach_get_cmos_time(struct timespec64 *now)
return;
}
if (mc146818_get_time(&tm)) {
if (mc146818_get_time(&tm, 1000)) {
pr_err("Unable to read current time from RTC\n");
now->tv_sec = now->tv_nsec = 0;
return;
block/ioctl.c
-2
View File
@@ -20,8 +20,6 @@ static int blkpg_do_ioctl(struct block_device *bdev,
struct blkpg_partition p;
sector_t start, length;
if (disk->flags & GENHD_FL_NO_PART)
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
if (copy_from_user(&p, upart, sizeof(struct blkpg_partition)))
block/partitions/core.c
+5
View File
@@ -458,6 +458,11 @@ int bdev_add_partition(struct gendisk *disk, int partno, sector_t start,
goto out;
}
if (disk->flags & GENHD_FL_NO_PART) {
ret = -EINVAL;
goto out;
}
if (partition_overlaps(disk, start, length, -1)) {
ret = -EBUSY;
goto out;
crypto/algapi.c
+1
View File
@@ -341,6 +341,7 @@ __crypto_register_alg(struct crypto_alg *alg, struct list_head *algs_to_put)
}
if (!strcmp(q->cra_driver_name, alg->cra_name) ||
!strcmp(q->cra_driver_name, alg->cra_driver_name) ||
!strcmp(q->cra_name, alg->cra_driver_name))
goto err;
}
drivers/base/power/main.c
+68 -80
View File
@@ -579,7 +579,7 @@ bool dev_pm_skip_resume(struct device *dev)
}
/**
* device_resume_noirq - Execute a "noirq resume" callback for given device.
* __device_resume_noirq - Execute a "noirq resume" callback for given device.
* @dev: Device to handle.
* @state: PM transition of the system being carried out.
* @async: If true, the device is being resumed asynchronously.
@@ -587,7 +587,7 @@ bool dev_pm_skip_resume(struct device *dev)
* The driver of @dev will not receive interrupts while this function is being
* executed.
*/
static int device_resume_noirq(struct device *dev, pm_message_t state, bool async)
static void __device_resume_noirq(struct device *dev, pm_message_t state, bool async)
{
pm_callback_t callback = NULL;
const char *info = NULL;
@@ -655,7 +655,13 @@ Skip:
Out:
complete_all(&dev->power.completion);
TRACE_RESUME(error);
return error;
if (error) {
suspend_stats.failed_resume_noirq++;
dpm_save_failed_step(SUSPEND_RESUME_NOIRQ);
dpm_save_failed_dev(dev_name(dev));
pm_dev_err(dev, state, async ? " async noirq" : " noirq", error);
}
}
static bool is_async(struct device *dev)
@@ -668,11 +674,15 @@ static bool dpm_async_fn(struct device *dev, async_func_t func)
{
reinit_completion(&dev->power.completion);
if (is_async(dev)) {
get_device(dev);
async_schedule_dev(func, dev);
if (!is_async(dev))
return false;
get_device(dev);
if (async_schedule_dev_nocall(func, dev))
return true;
}
put_device(dev);
return false;
}
@@ -680,15 +690,19 @@ static bool dpm_async_fn(struct device *dev, async_func_t func)
static void async_resume_noirq(void *data, async_cookie_t cookie)
{
struct device *dev = data;
int error;
error = device_resume_noirq(dev, pm_transition, true);
if (error)
pm_dev_err(dev, pm_transition, " async", error);
__device_resume_noirq(dev, pm_transition, true);
put_device(dev);
}
static void device_resume_noirq(struct device *dev)
{
if (dpm_async_fn(dev, async_resume_noirq))
return;
__device_resume_noirq(dev, pm_transition, false);
}
static void dpm_noirq_resume_devices(pm_message_t state)
{
struct device *dev;
@@ -698,14 +712,6 @@ static void dpm_noirq_resume_devices(pm_message_t state)
mutex_lock(&dpm_list_mtx);
pm_transition = state;
/*
* Advanced the async threads upfront,
* in case the starting of async threads is
* delayed by non-async resuming devices.
*/
list_for_each_entry(dev, &dpm_noirq_list, power.entry)
dpm_async_fn(dev, async_resume_noirq);
while (!list_empty(&dpm_noirq_list)) {
dev = to_device(dpm_noirq_list.next);
get_device(dev);
@@ -713,17 +719,7 @@ static void dpm_noirq_resume_devices(pm_message_t state)
mutex_unlock(&dpm_list_mtx);
if (!is_async(dev)) {
int error;
error = device_resume_noirq(dev, state, false);
if (error) {
suspend_stats.failed_resume_noirq++;
dpm_save_failed_step(SUSPEND_RESUME_NOIRQ);
dpm_save_failed_dev(dev_name(dev));
pm_dev_err(dev, state, " noirq", error);
}
}
device_resume_noirq(dev);
put_device(dev);
@@ -751,14 +747,14 @@ void dpm_resume_noirq(pm_message_t state)
}
/**
* device_resume_early - Execute an "early resume" callback for given device.
* __device_resume_early - Execute an "early resume" callback for given device.
* @dev: Device to handle.
* @state: PM transition of the system being carried out.
* @async: If true, the device is being resumed asynchronously.
*
* Runtime PM is disabled for @dev while this function is being executed.
*/
static int device_resume_early(struct device *dev, pm_message_t state, bool async)
static void __device_resume_early(struct device *dev, pm_message_t state, bool async)
{
pm_callback_t callback = NULL;
const char *info = NULL;
@@ -811,21 +807,31 @@ Out:
pm_runtime_enable(dev);
complete_all(&dev->power.completion);
return error;
if (error) {
suspend_stats.failed_resume_early++;
dpm_save_failed_step(SUSPEND_RESUME_EARLY);
dpm_save_failed_dev(dev_name(dev));
pm_dev_err(dev, state, async ? " async early" : " early", error);
}
}
static void async_resume_early(void *data, async_cookie_t cookie)
{
struct device *dev = data;
int error;
error = device_resume_early(dev, pm_transition, true);
if (error)
pm_dev_err(dev, pm_transition, " async", error);
__device_resume_early(dev, pm_transition, true);
put_device(dev);
}
static void device_resume_early(struct device *dev)
{
if (dpm_async_fn(dev, async_resume_early))
return;
__device_resume_early(dev, pm_transition, false);
}
/**
* dpm_resume_early - Execute "early resume" callbacks for all devices.
* @state: PM transition of the system being carried out.
@@ -839,14 +845,6 @@ void dpm_resume_early(pm_message_t state)
mutex_lock(&dpm_list_mtx);
pm_transition = state;
/*
* Advanced the async threads upfront,
* in case the starting of async threads is
* delayed by non-async resuming devices.
*/
list_for_each_entry(dev, &dpm_late_early_list, power.entry)
dpm_async_fn(dev, async_resume_early);
while (!list_empty(&dpm_late_early_list)) {
dev = to_device(dpm_late_early_list.next);
get_device(dev);
@@ -854,17 +852,7 @@ void dpm_resume_early(pm_message_t state)
mutex_unlock(&dpm_list_mtx);
if (!is_async(dev)) {
int error;
error = device_resume_early(dev, state, false);
if (error) {
suspend_stats.failed_resume_early++;
dpm_save_failed_step(SUSPEND_RESUME_EARLY);
dpm_save_failed_dev(dev_name(dev));
pm_dev_err(dev, state, " early", error);
}
}
device_resume_early(dev);
put_device(dev);
@@ -888,12 +876,12 @@ void dpm_resume_start(pm_message_t state)
EXPORT_SYMBOL_GPL(dpm_resume_start);
/**
* device_resume - Execute "resume" callbacks for given device.
* __device_resume - Execute "resume" callbacks for given device.
* @dev: Device to handle.
* @state: PM transition of the system being carried out.
* @async: If true, the device is being resumed asynchronously.
*/
static int device_resume(struct device *dev, pm_message_t state, bool async)
static void __device_resume(struct device *dev, pm_message_t state, bool async)
{
pm_callback_t callback = NULL;
const char *info = NULL;
@@ -975,20 +963,30 @@ static int device_resume(struct device *dev, pm_message_t state, bool async)
TRACE_RESUME(error);
return error;
if (error) {
suspend_stats.failed_resume++;
dpm_save_failed_step(SUSPEND_RESUME);
dpm_save_failed_dev(dev_name(dev));
pm_dev_err(dev, state, async ? " async" : "", error);
}
}
static void async_resume(void *data, async_cookie_t cookie)
{
struct device *dev = data;
int error;
error = device_resume(dev, pm_transition, true);
if (error)
pm_dev_err(dev, pm_transition, " async", error);
__device_resume(dev, pm_transition, true);
put_device(dev);
}
static void device_resume(struct device *dev)
{
if (dpm_async_fn(dev, async_resume))
return;
__device_resume(dev, pm_transition, false);
}
/**
* dpm_resume - Execute "resume" callbacks for non-sysdev devices.
* @state: PM transition of the system being carried out.
@@ -1008,27 +1006,17 @@ void dpm_resume(pm_message_t state)
pm_transition = state;
async_error = 0;
list_for_each_entry(dev, &dpm_suspended_list, power.entry)
dpm_async_fn(dev, async_resume);
while (!list_empty(&dpm_suspended_list)) {
dev = to_device(dpm_suspended_list.next);
get_device(dev);
if (!is_async(dev)) {
int error;
mutex_unlock(&dpm_list_mtx);
mutex_unlock(&dpm_list_mtx);
error = device_resume(dev, state, false);
if (error) {
suspend_stats.failed_resume++;
dpm_save_failed_step(SUSPEND_RESUME);
dpm_save_failed_dev(dev_name(dev));
pm_dev_err(dev, state, "", error);
}
device_resume(dev);
mutex_lock(&dpm_list_mtx);
mutex_lock(&dpm_list_mtx);
}
if (!list_empty(&dev->power.entry))
list_move_tail(&dev->power.entry, &dpm_prepared_list);
drivers/base/power/trace.c
+1 -1
View File
@@ -120,7 +120,7 @@ static unsigned int read_magic_time(void)
struct rtc_time time;
unsigned int val;
if (mc146818_get_time(&time) < 0) {
if (mc146818_get_time(&time, 1000) < 0) {
pr_err("Unable to read current time from RTC\n");
return 0;
}
drivers/block/nbd.c
+1 -5
View File
@@ -510,7 +510,7 @@ static int __sock_xmit(struct nbd_device *nbd, struct socket *sock, int send,
struct iov_iter *iter, int msg_flags, int *sent)
{
int result;
struct msghdr msg;
struct msghdr msg = {} ;
unsigned int noreclaim_flag;
if (unlikely(!sock)) {
@@ -526,10 +526,6 @@ static int __sock_xmit(struct nbd_device *nbd, struct socket *sock, int send,
do {
sock->sk->sk_allocation = GFP_NOIO | __GFP_MEMALLOC;
sock->sk->sk_use_task_frag = false;
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = msg_flags | MSG_NOSIGNAL;
if (send)
drivers/block/rbd.c
+14 -8
View File
@@ -3452,14 +3452,15 @@ static bool rbd_lock_add_request(struct rbd_img_request *img_req)
static void rbd_lock_del_request(struct rbd_img_request *img_req)
{
struct rbd_device *rbd_dev = img_req->rbd_dev;
bool need_wakeup;
bool need_wakeup = false;
lockdep_assert_held(&rbd_dev->lock_rwsem);
spin_lock(&rbd_dev->lock_lists_lock);
rbd_assert(!list_empty(&img_req->lock_item));
list_del_init(&img_req->lock_item);
need_wakeup = (rbd_dev->lock_state == RBD_LOCK_STATE_RELEASING &&
list_empty(&rbd_dev->running_list));
if (!list_empty(&img_req->lock_item)) {
list_del_init(&img_req->lock_item);
need_wakeup = (rbd_dev->lock_state == RBD_LOCK_STATE_RELEASING &&
list_empty(&rbd_dev->running_list));
}
spin_unlock(&rbd_dev->lock_lists_lock);
if (need_wakeup)
complete(&rbd_dev->releasing_wait);
@@ -3842,14 +3843,19 @@ static void wake_lock_waiters(struct rbd_device *rbd_dev, int result)
return;
}
list_for_each_entry(img_req, &rbd_dev->acquiring_list, lock_item) {
while (!list_empty(&rbd_dev->acquiring_list)) {
img_req = list_first_entry(&rbd_dev->acquiring_list,
struct rbd_img_request, lock_item);
mutex_lock(&img_req->state_mutex);
rbd_assert(img_req->state == RBD_IMG_EXCLUSIVE_LOCK);
if (!result)
list_move_tail(&img_req->lock_item,
&rbd_dev->running_list);
else
list_del_init(&img_req->lock_item);
rbd_img_schedule(img_req, result);
mutex_unlock(&img_req->state_mutex);
}
list_splice_tail_init(&rbd_dev->acquiring_list, &rbd_dev->running_list);
}
static bool locker_equal(const struct ceph_locker *lhs,
drivers/bus/mhi/host/main.c
+19 -10
View File
@@ -268,7 +268,8 @@ static void mhi_del_ring_element(struct mhi_controller *mhi_cntrl,
static bool is_valid_ring_ptr(struct mhi_ring *ring, dma_addr_t addr)
{
return addr >= ring->iommu_base && addr < ring->iommu_base + ring->len;
return addr >= ring->iommu_base && addr < ring->iommu_base + ring->len &&
!(addr & (sizeof(struct mhi_ring_element) - 1));
}
int mhi_destroy_device(struct device *dev, void *data)
@@ -642,6 +643,8 @@ static int parse_xfer_event(struct mhi_controller *mhi_cntrl,
mhi_del_ring_element(mhi_cntrl, tre_ring);
local_rp = tre_ring->rp;
read_unlock_bh(&mhi_chan->lock);
/* notify client */
mhi_chan->xfer_cb(mhi_chan->mhi_dev, &result);
@@ -667,6 +670,8 @@ static int parse_xfer_event(struct mhi_controller *mhi_cntrl,
kfree(buf_info->cb_buf);
}
}
read_lock_bh(&mhi_chan->lock);
}
break;
} /* CC_EOT */
@@ -1122,17 +1127,15 @@ static int mhi_queue(struct mhi_device *mhi_dev, struct mhi_buf_info *buf_info,
if (unlikely(MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state)))
return -EIO;
read_lock_irqsave(&mhi_cntrl->pm_lock, flags);
ret = mhi_is_ring_full(mhi_cntrl, tre_ring);
if (unlikely(ret)) {
ret = -EAGAIN;
goto exit_unlock;
}
if (unlikely(ret))
return -EAGAIN;
ret = mhi_gen_tre(mhi_cntrl, mhi_chan, buf_info, mflags);
if (unlikely(ret))
goto exit_unlock;
return ret;
read_lock_irqsave(&mhi_cntrl->pm_lock, flags);
/* Packet is queued, take a usage ref to exit M3 if necessary
* for host->device buffer, balanced put is done on buffer completion
@@ -1152,7 +1155,6 @@ static int mhi_queue(struct mhi_device *mhi_dev, struct mhi_buf_info *buf_info,
if (dir == DMA_FROM_DEVICE)
mhi_cntrl->runtime_put(mhi_cntrl);
exit_unlock:
read_unlock_irqrestore(&mhi_cntrl->pm_lock, flags);
return ret;
@@ -1204,6 +1206,9 @@ int mhi_gen_tre(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan,
int eot, eob, chain, bei;
int ret;
/* Protect accesses for reading and incrementing WP */
write_lock_bh(&mhi_chan->lock);
buf_ring = &mhi_chan->buf_ring;
tre_ring = &mhi_chan->tre_ring;
@@ -1221,8 +1226,10 @@ int mhi_gen_tre(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan,
if (!info->pre_mapped) {
ret = mhi_cntrl->map_single(mhi_cntrl, buf_info);
if (ret)
if (ret) {
write_unlock_bh(&mhi_chan->lock);
return ret;
}
}
eob = !!(flags & MHI_EOB);
@@ -1239,6 +1246,8 @@ int mhi_gen_tre(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan,
mhi_add_ring_element(mhi_cntrl, tre_ring);
mhi_add_ring_element(mhi_cntrl, buf_ring);
write_unlock_bh(&mhi_chan->lock);
return 0;
}
drivers/char/hw_random/core.c
+22 -14
View File
@@ -23,10 +23,13 @@
#include <linux/sched.h>
#include <linux/sched/signal.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/uaccess.h>
#define RNG_MODULE_NAME "hw_random"
#define RNG_BUFFER_SIZE (SMP_CACHE_BYTES < 32 ? 32 : SMP_CACHE_BYTES)
static struct hwrng *current_rng;
/* the current rng has been explicitly chosen by user via sysfs */
static int cur_rng_set_by_user;
@@ -58,7 +61,7 @@ static inline int rng_get_data(struct hwrng *rng, u8 *buffer, size_t size,
static size_t rng_buffer_size(void)
{
return SMP_CACHE_BYTES < 32 ? 32 : SMP_CACHE_BYTES;
return RNG_BUFFER_SIZE;
}
static void add_early_randomness(struct hwrng *rng)
@@ -209,6 +212,7 @@ static inline int rng_get_data(struct hwrng *rng, u8 *buffer, size_t size,
static ssize_t rng_dev_read(struct file *filp, char __user *buf,
size_t size, loff_t *offp)
{
u8 buffer[RNG_BUFFER_SIZE];
ssize_t ret = 0;
int err = 0;
int bytes_read, len;
@@ -236,34 +240,37 @@ static ssize_t rng_dev_read(struct file *filp, char __user *buf,
if (bytes_read < 0) {
err = bytes_read;
goto out_unlock_reading;
}
data_avail = bytes_read;
}
if (!data_avail) {
if (filp->f_flags & O_NONBLOCK) {
} else if (bytes_read == 0 &&
(filp->f_flags & O_NONBLOCK)) {
err = -EAGAIN;
goto out_unlock_reading;
}
} else {
len = data_avail;
data_avail = bytes_read;
}
len = data_avail;
if (len) {
if (len > size)
len = size;
data_avail -= len;
if (copy_to_user(buf + ret, rng_buffer + data_avail,
len)) {
memcpy(buffer, rng_buffer + data_avail, len);
}
mutex_unlock(&reading_mutex);
put_rng(rng);
if (len) {
if (copy_to_user(buf + ret, buffer, len)) {
err = -EFAULT;
goto out_unlock_reading;
goto out;
}
size -= len;
ret += len;
}
mutex_unlock(&reading_mutex);
put_rng(rng);
if (need_resched())
schedule_timeout_interruptible(1);
@@ -274,6 +281,7 @@ static ssize_t rng_dev_read(struct file *filp, char __user *buf,
}
}
out:
memzero_explicit(buffer, sizeof(buffer));
return ret ? : err;
out_unlock_reading:
drivers/cpufreq/amd-pstate.c
+3 -4
View File
@@ -1232,14 +1232,13 @@ static void amd_pstate_epp_update_limit(struct cpufreq_policy *policy)
max_limit_perf = div_u64(policy->max * cpudata->highest_perf, cpudata->max_freq);
min_limit_perf = div_u64(policy->min * cpudata->highest_perf, cpudata->max_freq);
WRITE_ONCE(cpudata->max_limit_perf, max_limit_perf);
WRITE_ONCE(cpudata->min_limit_perf, min_limit_perf);
max_perf = clamp_t(unsigned long, max_perf, cpudata->min_limit_perf,
cpudata->max_limit_perf);
min_perf = clamp_t(unsigned long, min_perf, cpudata->min_limit_perf,
cpudata->max_limit_perf);
WRITE_ONCE(cpudata->max_limit_perf, max_limit_perf);
WRITE_ONCE(cpudata->min_limit_perf, min_limit_perf);
value = READ_ONCE(cpudata->cppc_req_cached);
if (cpudata->policy == CPUFREQ_POLICY_PERFORMANCE)
drivers/cpufreq/intel_pstate.c
+34 -21
View File
@@ -526,6 +526,30 @@ static int intel_pstate_cppc_get_scaling(int cpu)
}
#endif /* CONFIG_ACPI_CPPC_LIB */
static int intel_pstate_freq_to_hwp_rel(struct cpudata *cpu, int freq,
unsigned int relation)
{
if (freq == cpu->pstate.turbo_freq)
return cpu->pstate.turbo_pstate;
if (freq == cpu->pstate.max_freq)
return cpu->pstate.max_pstate;
switch (relation) {
case CPUFREQ_RELATION_H:
return freq / cpu->pstate.scaling;
case CPUFREQ_RELATION_C:
return DIV_ROUND_CLOSEST(freq, cpu->pstate.scaling);
}
return DIV_ROUND_UP(freq, cpu->pstate.scaling);
}
static int intel_pstate_freq_to_hwp(struct cpudata *cpu, int freq)
{
return intel_pstate_freq_to_hwp_rel(cpu, freq, CPUFREQ_RELATION_L);
}
/**
* intel_pstate_hybrid_hwp_adjust - Calibrate HWP performance levels.
* @cpu: Target CPU.
@@ -543,6 +567,7 @@ static void intel_pstate_hybrid_hwp_adjust(struct cpudata *cpu)
int perf_ctl_scaling = cpu->pstate.perf_ctl_scaling;
int perf_ctl_turbo = pstate_funcs.get_turbo(cpu->cpu);
int scaling = cpu->pstate.scaling;
int freq;
pr_debug("CPU%d: perf_ctl_max_phys = %d\n", cpu->cpu, perf_ctl_max_phys);
pr_debug("CPU%d: perf_ctl_turbo = %d\n", cpu->cpu, perf_ctl_turbo);
@@ -556,16 +581,16 @@ static void intel_pstate_hybrid_hwp_adjust(struct cpudata *cpu)
cpu->pstate.max_freq = rounddown(cpu->pstate.max_pstate * scaling,
perf_ctl_scaling);
cpu->pstate.max_pstate_physical =
DIV_ROUND_UP(perf_ctl_max_phys * perf_ctl_scaling,
scaling);
freq = perf_ctl_max_phys * perf_ctl_scaling;
cpu->pstate.max_pstate_physical = intel_pstate_freq_to_hwp(cpu, freq);
cpu->pstate.min_freq = cpu->pstate.min_pstate * perf_ctl_scaling;
freq = cpu->pstate.min_pstate * perf_ctl_scaling;
cpu->pstate.min_freq = freq;
/*
* Cast the min P-state value retrieved via pstate_funcs.get_min() to
* the effective range of HWP performance levels.
*/
cpu->pstate.min_pstate = DIV_ROUND_UP(cpu->pstate.min_freq, scaling);
cpu->pstate.min_pstate = intel_pstate_freq_to_hwp(cpu, freq);
}
static inline void update_turbo_state(void)
@@ -2528,13 +2553,12 @@ static void intel_pstate_update_perf_limits(struct cpudata *cpu,
* abstract values to represent performance rather than pure ratios.
*/
if (hwp_active && cpu->pstate.scaling != perf_ctl_scaling) {
int scaling = cpu->pstate.scaling;
int freq;
freq = max_policy_perf * perf_ctl_scaling;
max_policy_perf = DIV_ROUND_UP(freq, scaling);
max_policy_perf = intel_pstate_freq_to_hwp(cpu, freq);
freq = min_policy_perf * perf_ctl_scaling;
min_policy_perf = DIV_ROUND_UP(freq, scaling);
min_policy_perf = intel_pstate_freq_to_hwp(cpu, freq);
}
pr_debug("cpu:%d min_policy_perf:%d max_policy_perf:%d\n",
@@ -2908,18 +2932,7 @@ static int intel_cpufreq_target(struct cpufreq_policy *policy,
cpufreq_freq_transition_begin(policy, &freqs);
switch (relation) {
case CPUFREQ_RELATION_L:
target_pstate = DIV_ROUND_UP(freqs.new, cpu->pstate.scaling);
break;
case CPUFREQ_RELATION_H:
target_pstate = freqs.new / cpu->pstate.scaling;
break;
default:
target_pstate = DIV_ROUND_CLOSEST(freqs.new, cpu->pstate.scaling);
break;
}
target_pstate = intel_pstate_freq_to_hwp_rel(cpu, freqs.new, relation);
target_pstate = intel_cpufreq_update_pstate(policy, target_pstate, false);
freqs.new = target_pstate * cpu->pstate.scaling;
@@ -2937,7 +2950,7 @@ static unsigned int intel_cpufreq_fast_switch(struct cpufreq_policy *policy,
update_turbo_state();
target_pstate = DIV_ROUND_UP(target_freq, cpu->pstate.scaling);
target_pstate = intel_pstate_freq_to_hwp(cpu, target_freq);
target_pstate = intel_cpufreq_update_pstate(policy, target_pstate, true);
drivers/cxl/core/region.c
+2 -2
View File
@@ -525,7 +525,7 @@ static int alloc_hpa(struct cxl_region *cxlr, resource_size_t size)
struct cxl_root_decoder *cxlrd = to_cxl_root_decoder(cxlr->dev.parent);
struct cxl_region_params *p = &cxlr->params;
struct resource *res;
u32 remainder = 0;
u64 remainder = 0;
lockdep_assert_held_write(&cxl_region_rwsem);
@@ -545,7 +545,7 @@ static int alloc_hpa(struct cxl_region *cxlr, resource_size_t size)
(cxlr->mode == CXL_DECODER_PMEM && uuid_is_null(&p->uuid)))
return -ENXIO;
div_u64_rem(size, SZ_256M * p->interleave_ways, &remainder);
div64_u64_rem(size, (u64)SZ_256M * p->interleave_ways, &remainder);
if (remainder)
return -EINVAL;
drivers/devfreq/devfreq.c
+40 -19
View File
@@ -1688,7 +1688,7 @@ static ssize_t trans_stat_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct devfreq *df = to_devfreq(dev);
ssize_t len;
ssize_t len = 0;
int i, j;
unsigned int max_state;
@@ -1697,7 +1697,7 @@ static ssize_t trans_stat_show(struct device *dev,
max_state = df->max_state;
if (max_state == 0)
return sprintf(buf, "Not Supported.\n");
return scnprintf(buf, PAGE_SIZE, "Not Supported.\n");
mutex_lock(&df->lock);
if (!df->stop_polling &&
@@ -1707,31 +1707,52 @@ static ssize_t trans_stat_show(struct device *dev,
}
mutex_unlock(&df->lock);
len = sprintf(buf, " From : To\n");
len += sprintf(buf + len, " :");
for (i = 0; i < max_state; i++)
len += sprintf(buf + len, "%10lu",
df->freq_table[i]);
len += scnprintf(buf + len, PAGE_SIZE - len, " From : To\n");
len += scnprintf(buf + len, PAGE_SIZE - len, " :");
for (i = 0; i < max_state; i++) {
if (len >= PAGE_SIZE - 1)
break;
len += scnprintf(buf + len, PAGE_SIZE - len, "%10lu",
df->freq_table[i]);
}
if (len >= PAGE_SIZE - 1)
return PAGE_SIZE - 1;
len += sprintf(buf + len, " time(ms)\n");
len += scnprintf(buf + len, PAGE_SIZE - len, " time(ms)\n");
for (i = 0; i < max_state; i++) {
if (len >= PAGE_SIZE - 1)
break;
if (df->freq_table[i] == df->previous_freq)
len += sprintf(buf + len, "*");
len += scnprintf(buf + len, PAGE_SIZE - len, "*");
else
len += sprintf(buf + len, " ");
len += scnprintf(buf + len, PAGE_SIZE - len, " ");
if (len >= PAGE_SIZE - 1)
break;
len += sprintf(buf + len, "%10lu:", df->freq_table[i]);
for (j = 0; j < max_state; j++)
len += sprintf(buf + len, "%10u",
df->stats.trans_table[(i * max_state) + j]);
len += sprintf(buf + len, "%10llu\n", (u64)
jiffies64_to_msecs(df->stats.time_in_state[i]));
len += scnprintf(buf + len, PAGE_SIZE - len, "%10lu:",
df->freq_table[i]);
for (j = 0; j < max_state; j++) {
if (len >= PAGE_SIZE - 1)
break;
len += scnprintf(buf + len, PAGE_SIZE - len, "%10u",
df->stats.trans_table[(i * max_state) + j]);
}
if (len >= PAGE_SIZE - 1)
break;
len += scnprintf(buf + len, PAGE_SIZE - len, "%10llu\n", (u64)
jiffies64_to_msecs(df->stats.time_in_state[i]));
}
if (len < PAGE_SIZE - 1)
len += scnprintf(buf + len, PAGE_SIZE - len, "Total transition : %u\n",
df->stats.total_trans);
if (len >= PAGE_SIZE - 1) {
pr_warn_once("devfreq transition table exceeds PAGE_SIZE. Disabling\n");
return -EFBIG;
}
len += sprintf(buf + len, "Total transition : %u\n",
df->stats.total_trans);
return len;
}
drivers/dma/dmaengine.c
+3
View File
@@ -1103,6 +1103,9 @@ EXPORT_SYMBOL_GPL(dma_async_device_channel_register);
static void __dma_async_device_channel_unregister(struct dma_device *device,
struct dma_chan *chan)
{
if (chan->local == NULL)
return;
WARN_ONCE(!device->device_release && chan->client_count,
"%s called while %d clients hold a reference\n",
__func__, chan->client_count);
drivers/dma/fsl-edma-main.c
+8
View File
@@ -26,6 +26,8 @@
#define ARGS_RX BIT(0)
#define ARGS_REMOTE BIT(1)
#define ARGS_MULTI_FIFO BIT(2)
#define ARGS_EVEN_CH BIT(3)
#define ARGS_ODD_CH BIT(4)
static void fsl_edma_synchronize(struct dma_chan *chan)
{
@@ -159,6 +161,12 @@ static struct dma_chan *fsl_edma3_xlate(struct of_phandle_args *dma_spec,
fsl_chan->is_remote = dma_spec->args[2] & ARGS_REMOTE;
fsl_chan->is_multi_fifo = dma_spec->args[2] & ARGS_MULTI_FIFO;
if ((dma_spec->args[2] & ARGS_EVEN_CH) && (i & 0x1))
continue;
if ((dma_spec->args[2] & ARGS_ODD_CH) && !(i & 0x1))
continue;
if (!b_chmux && i == dma_spec->args[0]) {
chan = dma_get_slave_channel(chan);
chan->device->privatecnt++;
drivers/dma/idxd/device.c
+8 -1
View File
@@ -802,6 +802,9 @@ err_bmap:
static void idxd_device_evl_free(struct idxd_device *idxd)
{
void *evl_log;
unsigned int evl_log_size;
dma_addr_t evl_dma;
union gencfg_reg gencfg;
union genctrl_reg genctrl;
struct device *dev = &idxd->pdev->dev;
@@ -822,11 +825,15 @@ static void idxd_device_evl_free(struct idxd_device *idxd)
iowrite64(0, idxd->reg_base + IDXD_EVLCFG_OFFSET);
iowrite64(0, idxd->reg_base + IDXD_EVLCFG_OFFSET + 8);
dma_free_coherent(dev, evl->log_size, evl->log, evl->dma);
bitmap_free(evl->bmap);
evl_log = evl->log;
evl_log_size = evl->log_size;
evl_dma = evl->dma;
evl->log = NULL;
evl->size = IDXD_EVL_SIZE_MIN;
spin_unlock(&evl->lock);
dma_free_coherent(dev, evl_log_size, evl_log, evl_dma);
}
static void idxd_group_config_write(struct idxd_group *group)
drivers/firmware/arm_scmi/common.h
+1
View File
@@ -314,6 +314,7 @@ void shmem_fetch_notification(struct scmi_shared_mem __iomem *shmem,
void shmem_clear_channel(struct scmi_shared_mem __iomem *shmem);
bool shmem_poll_done(struct scmi_shared_mem __iomem *shmem,
struct scmi_xfer *xfer);
bool shmem_channel_free(struct scmi_shared_mem __iomem *shmem);
/* declarations for message passing transports */
struct scmi_msg_payld;
drivers/firmware/arm_scmi/mailbox.c
+14
View File
@@ -45,6 +45,20 @@ static void rx_callback(struct mbox_client *cl, void *m)
{
struct scmi_mailbox *smbox = client_to_scmi_mailbox(cl);
/*
* An A2P IRQ is NOT valid when received while the platform still has
* the ownership of the channel, because the platform at first releases
* the SMT channel and then sends the completion interrupt.
*
* This addresses a possible race condition in which a spurious IRQ from
* a previous timed-out reply which arrived late could be wrongly
* associated with the next pending transaction.
*/
if (cl->knows_txdone && !shmem_channel_free(smbox->shmem)) {
dev_warn(smbox->cinfo->dev, "Ignoring spurious A2P IRQ !\n");
return;
}
scmi_rx_callback(smbox->cinfo, shmem_read_header(smbox->shmem), NULL);
}
drivers/firmware/arm_scmi/perf.c
+18 -5
View File
@@ -347,8 +347,8 @@ process_response_opp(struct scmi_opp *opp, unsigned int loop_idx,
}
static inline void
process_response_opp_v4(struct perf_dom_info *dom, struct scmi_opp *opp,
unsigned int loop_idx,
process_response_opp_v4(struct device *dev, struct perf_dom_info *dom,
struct scmi_opp *opp, unsigned int loop_idx,
const struct scmi_msg_resp_perf_describe_levels_v4 *r)
{
opp->perf = le32_to_cpu(r->opp[loop_idx].perf_val);
@@ -359,10 +359,23 @@ process_response_opp_v4(struct perf_dom_info *dom, struct scmi_opp *opp,
/* Note that PERF v4 reports always five 32-bit words */
opp->indicative_freq = le32_to_cpu(r->opp[loop_idx].indicative_freq);
if (dom->level_indexing_mode) {
int ret;
opp->level_index = le32_to_cpu(r->opp[loop_idx].level_index);
xa_store(&dom->opps_by_idx, opp->level_index, opp, GFP_KERNEL);
xa_store(&dom->opps_by_lvl, opp->perf, opp, GFP_KERNEL);
ret = xa_insert(&dom->opps_by_idx, opp->level_index, opp,
GFP_KERNEL);
if (ret)
dev_warn(dev,
"Failed to add opps_by_idx at %d - ret:%d\n",
opp->level_index, ret);
ret = xa_insert(&dom->opps_by_lvl, opp->perf, opp, GFP_KERNEL);
if (ret)
dev_warn(dev,
"Failed to add opps_by_lvl at %d - ret:%d\n",
opp->perf, ret);
hash_add(dom->opps_by_freq, &opp->hash, opp->indicative_freq);
}
}
@@ -379,7 +392,7 @@ iter_perf_levels_process_response(const struct scmi_protocol_handle *ph,
if (PROTOCOL_REV_MAJOR(p->version) <= 0x3)
process_response_opp(opp, st->loop_idx, response);
else
process_response_opp_v4(p->perf_dom, opp, st->loop_idx,
process_response_opp_v4(ph->dev, p->perf_dom, opp, st->loop_idx,
response);
p->perf_dom->opp_count++;
drivers/firmware/arm_scmi/raw_mode.c
+8 -4
View File
@@ -1111,7 +1111,6 @@ static int scmi_raw_mode_setup(struct scmi_raw_mode_info *raw,
int i;
for (i = 0; i < num_chans; i++) {
void *xret;
struct scmi_raw_queue *q;
q = scmi_raw_queue_init(raw);
@@ -1120,13 +1119,12 @@ static int scmi_raw_mode_setup(struct scmi_raw_mode_info *raw,
goto err_xa;
}
xret = xa_store(&raw->chans_q, channels[i], q,
ret = xa_insert(&raw->chans_q, channels[i], q,
GFP_KERNEL);
if (xa_err(xret)) {
if (ret) {
dev_err(dev,
"Fail to allocate Raw queue 0x%02X\n",
channels[i]);
ret = xa_err(xret);
goto err_xa;
}
}
@@ -1322,6 +1320,12 @@ void scmi_raw_message_report(void *r, struct scmi_xfer *xfer,
dev = raw->handle->dev;
q = scmi_raw_queue_select(raw, idx,
SCMI_XFER_IS_CHAN_SET(xfer) ? chan_id : 0);
if (!q) {
dev_warn(dev,
"RAW[%d] - NO queue for chan 0x%X. Dropping report.\n",
idx, chan_id);
return;
}
/*
* Grab the msg_q_lock upfront to avoid a possible race between

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