Disable U3 suspended ports in hibernate S4 poweroff_late for systems
with XHCI_RESET_TO_DEFAULT quirk, if wakeup is not enabled.
This reduces the number of self-powered usb devices from surviving in
U3 suspended state into next reboot.
Bootloader/firmware on these systems can't handle usb ports in U3, and
will timeout, causing extra delay during reboot/restore from S4.
Add pci_poweroff_late() callback to struct usb_hcd to get this done at
the correct stage in hibernate.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20221130091944.2171610-5-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
some Intel Alder Lake xHC hosts on ChromeOS platforms need special
workarounds touching port registers at xHC pci host hibernate.
Export xhci_port_state_to_neutral() and xhci_find_slot_id_by_port()
so they can be called from xhci-pci.c and thus the xhci-pci module.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20221130091944.2171610-4-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
ADL-N systems have the same issue as ADL-P, where a large boot firmware
delay is seen if USB ports are left in U3 at shutdown. So apply the
XHCI_RESET_TO_DEFAULT quirk to ADL-N as well.
This patch depends on commit 34cd2db408d5 ("xhci: Add quirk to reset
host back to default state at shutdown").
The issue it fixes is a ~20s boot time delay when booting from S5. It
affects ADL-N devices, and ADL-N support was added starting from v5.16.
Cc: stable@vger.kernel.org
Signed-off-by: Reka Norman <rekanorman@chromium.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20221130091944.2171610-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When HCE(Host Controller Error) is set, it means that the xhci hardware
controller has an error at this time, but the current xhci driver
software does not log this event.
By adding an HCE event detection in the xhci interrupt processing
interface, a warning log is output to the system, which is convenient
for system device status tracking.
Signed-off-by: Longfang Liu <liulongfang@huawei.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20221130091944.2171610-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dwc->desired_dr_role is changed by dwc3_set_mode inside a spinlock but
then read by __dwc3_set_mode outside of that lock. This can lead to a
race condition when very quick successive role switch events happen:
CPU A
dwc3_set_mode(DWC3_GCTL_PRTCAP_HOST) // first role switch event
spin_lock_irqsave(&dwc->lock, flags);
dwc->desired_dr_role = mode; // DWC3_GCTL_PRTCAP_HOST
spin_unlock_irqrestore(&dwc->lock, flags);
queue_work(system_freezable_wq, &dwc->drd_work);
CPU B
__dwc3_set_mode
// ....
spin_lock_irqsave(&dwc->lock, flags);
// desired_dr_role is DWC3_GCTL_PRTCAP_HOST
dwc3_set_prtcap(dwc, dwc->desired_dr_role);
spin_unlock_irqrestore(&dwc->lock, flags);
CPU A
dwc3_set_mode(DWC3_GCTL_PRTCAP_DEVICE) // second event
spin_lock_irqsave(&dwc->lock, flags);
dwc->desired_dr_role = mode; // DWC3_GCTL_PRTCAP_DEVICE
spin_unlock_irqrestore(&dwc->lock, flags);
CPU B (continues running __dwc3_set_mode)
switch (dwc->desired_dr_role) { // DWC3_GCTL_PRTCAP_DEVICE
// ....
case DWC3_GCTL_PRTCAP_DEVICE:
// ....
ret = dwc3_gadget_init(dwc);
We then have DWC3_GCTL.DWC3_GCTL_PRTCAPDIR = DWC3_GCTL_PRTCAP_HOST and
dwc->current_dr_role = DWC3_GCTL_PRTCAP_HOST but initialized the
controller in device mode. It's also possible to get into a state
where both host and device are intialized at the same time.
Fix this race by creating a local copy of desired_dr_role inside
__dwc3_set_mode while holding dwc->lock.
Fixes: 41ce1456e1db ("usb: dwc3: core: make dwc3_set_mode() work properly")
Cc: stable <stable@kernel.org>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Link: https://lore.kernel.org/r/20221128161526.79730-1-sven@svenpeter.dev
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This includes following Thunderbolt/USB4 changes for the v6.2 merge
window:
- Add wake on connect/disconnect for USB4 ports
- A couple of minor cleanups
All these have been in linux-next with no reported issues.
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Merge tag 'thunderbolt-for-v6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into usb-next
Mika writes:
thunderbolt: Changes for v6.2 merge window
This includes following Thunderbolt/USB4 changes for the v6.2 merge
window:
- Add wake on connect/disconnect for USB4 ports
- A couple of minor cleanups
All these have been in linux-next with no reported issues.
* tag 'thunderbolt-for-v6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt:
thunderbolt: Add wake on connect/disconnect on USB4 ports
thunderbolt: ACPI: Use the helper fwnode_find_reference()
thunderbolt: Remove redundant assignment to variable len
thunderbolt: Use str_enabled_disabled() helper
The list API now provides the list_count() to help with counting
existing nodes in the list. Utilise it.
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20221123144901.40493-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Some of the existing users, and definitely will be new ones, want to
count existing nodes in the list. Provide a generic API for that by
moving code from i915 to list.h.
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20221123144901.40493-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Unify error handling at the end of the function, reducing the risk of
missing something on one of the error paths.
Moving the increment of opts->refcnt later means there is no need to
decrement it on the error path and is safe as this is guarded by
opts->lock which is held for this entire section.
Tested-by: Lee Jones <lee@kernel.org>
Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Reviewed-by: Lee Jones <lee@kernel.org>
Signed-off-by: John Keeping <john@metanate.com>
Link: https://lore.kernel.org/r/20221122123523.3068034-4-john@metanate.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When failing to allocate report_desc, opts->refcnt has already been
incremented so it needs to be decremented to avoid leaving the options
structure permanently locked.
Fixes: 21a9476a7ba8 ("usb: gadget: hid: add configfs support")
Tested-by: Lee Jones <lee@kernel.org>
Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Reviewed-by: Lee Jones <lee@kernel.org>
Signed-off-by: John Keeping <john@metanate.com>
Link: https://lore.kernel.org/r/20221122123523.3068034-3-john@metanate.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The embedded struct cdev does not have its lifetime correctly tied to
the enclosing struct f_hidg, so there is a use-after-free if /dev/hidgN
is held open while the gadget is deleted.
This can readily be replicated with libusbgx's example programs (for
conciseness - operating directly via configfs is equivalent):
gadget-hid
exec 3<> /dev/hidg0
gadget-vid-pid-remove
exec 3<&-
Pull the existing device up in to struct f_hidg and make use of the
cdev_device_{add,del}() helpers. This changes the lifetime of the
device object to match struct f_hidg, but note that it is still added
and deleted at the same time.
Fixes: 71adf1189469 ("USB: gadget: add HID gadget driver")
Tested-by: Lee Jones <lee@kernel.org>
Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Reviewed-by: Lee Jones <lee@kernel.org>
Signed-off-by: John Keeping <john@metanate.com>
Link: https://lore.kernel.org/r/20221122123523.3068034-2-john@metanate.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Since commit 0166dc11be91 ("of: make CONFIG_OF user selectable"), it
is possible to test-build any driver which depends on OF on any
architecture by explicitly selecting OF. Therefore depending on
COMPILE_TEST as an alternative is no longer needed.
It is actually better to always build such drivers with OF enabled,
so that the test builds are closer to how each driver will actually be
built on its intended target. Building them without OF may not test
much as the compiler will optimize out potentially large parts of the
code. In the worst case, this could even pop false positive warnings.
Dropping COMPILE_TEST here improves the quality of our testing and
avoids wasting time on non-existent issues.
Cc: Matthias Kaehlcke <mka@chromium.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Link: https://lore.kernel.org/r/20221127155230.144886b7@endymion.delvare
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Patch implements the handling of ZLP for control transfer.
To send the ZLP driver must prepare the extra TRB in TD with
length set to zero and TRB type to TRB_NORMAL.
The first TRB must have set TRB_CHAIN flag, TD_SIZE = 1
and TRB type to TRB_DATA.
Fixes: 3d82904559f4 ("usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver")
cc: <stable@vger.kernel.org>
Reviewed-by: Peter Chen <peter.chen@kernel.org>
Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Link: https://lore.kernel.org/r/20221122085138.332434-1-pawell@cadence.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The am35x glue layer is no longer in use and can be dropped. There are no
longer any SoCs passing platform data for it as they are booting using
devicetree.
In general, the am35x SoCs are similar to am335x and ti81xx and can
use the musb_dsps glue layer as long as there is a proper phy driver
available.
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20221125085506.38127-1-tony@atomide.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In order to tell what Type-C device a PD object belongs to, its parent
needs to be set. Use the Type-C partner USB PD registration wrapper
to set the parent appropriately for PD objects which are created for
connected Type-C partners.
Cc: Benson Leung <bleung@chromium.org>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20221122220538.2991775-3-pmalani@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Some port drivers may want to set a Type-C partner as a parent for a
USB Power Delivery object, but the Type-C partner struct isn't exposed
outside of the Type-C class driver. Add a wrapper to
usb_power_delivery_register() which sets the provided Type-C partner
as a parent to the USB PD object. This helps to avoid exposing the
Type-C partner's device struct unnecessarily.
Cc: Benson Leung <bleung@chromium.org>
Suggested-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20221122220538.2991775-2-pmalani@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Can not set the @shared_hcd to NULL before decrease the usage count
by usb_put_hcd(), this will cause the shared hcd not released.
Fixes: 04284eb74e0c ("usb: xhci-mtk: add support runtime PM")
Cc: <stable@vger.kernel.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20221128063337.18124-1-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
USB drivers do not need to call usb_set_intfdata(intf, NULL) in their
usb_driver::disconnect callback because the core already does it in [1].
However, this fact is widely unknown, c.f.:
$ git grep "usb_set_intfdata(.*NULL)" | wc -l
215
Especially, setting the interface to NULL before all action completed
can result in a NULL pointer dereference. Not calling
usb_set_intfdata() at all in disconnect() is the safest method.
Add documentation to usb_set_intfdata() to clarify this point.
Also remove the call in usb-skeletion's disconnect() not to confuse
the new comers.
[1] function usb_unbind_interface() from drivers/usb/core/driver.c
Link: https://elixir.bootlin.com/linux/v6.0/source/drivers/usb/core/driver.c#L497
Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Link: https://lore.kernel.org/r/20221128102954.3615579-1-mailhol.vincent@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The device ID 0xa70e is defined for the USB3 device controller in the CPU
sub-system of Raptor Lake platform. Hence updating the ID accordingly.
Fixes: bad0d1d726ac ("usb: dwc3: pci: Add support for Intel Raptor Lake")
Cc: stable <stable@kernel.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Shruthi Sanil <shruthi.sanil@intel.com>
Link: https://lore.kernel.org/r/20221125105327.27945-1-shruthi.sanil@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
If dmam_alloc_attrs() fails, it returns NULL pointer and never
return ERR_PTR(), so repleace IS_ERR() with IS_ERR_OR_NULL()
and if it's NULL, returns -ENOMEM.
Fixes: 9ba26f5cecd8 ("ARM: sa1100/assabet: move dmabounce hack to ohci driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221125064120.2842452-1-yangyingliang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Don't issue messages which can be easily achieved with ftrace.
In case of printer_open() the return code is propagated to other layers
so the user will know about -EBUSY anyway.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Link: https://lore.kernel.org/r/20221123110746.59611-1-andrzej.p@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
It can take more than one second to check each connector
when the system is resumed. So if you have, say, eight
connectors, it may take eight seconds for ucsi_resume() to
finish. That's a bit too much.
This will modify ucsi_resume() so that it schedules a work
where the interface is actually resumed instead of checking
the connectors directly. The connections will also be
checked in separate tasks which are queued for each connector
separately.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=216706
Fixes: 99f6d4361113 ("usb: typec: ucsi: Check the connection on resume")
Cc: <stable@vger.kernel.org>
Reported-by: Todd Brandt <todd.e.brandt@intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20221123093021.25981-1-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
I got the following report while doing device(mt6370-tcpc) load
test with CONFIG_OF_UNITTEST and CONFIG_OF_DYNAMIC enabled:
OF: ERROR: memory leak, expected refcount 1 instead of 2,
of_node_get()/of_node_put() unbalanced - destroy cset entry:
attach overlay node /i2c/pmic@34
The 'parent' returned by fwnode_get_parent() with refcount incremented.
it needs be put after using.
Fixes: 6fadd72943b8 ("usb: roles: get usb-role-switch from parent")
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221122111226.251588-1-yangyingliang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here are some small USB fixes for 6.1-rc7 that resolve some reported
problems:
- cdnsp driver fixes for reported problems
- dwc3 fixes for some small reported problems
- uvc gadget driver fix for reported regression due to changes
in 6.1-rc1.
All of these have been in linux-next with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for 6.1-rc7 that resolve some reported
problems:
- cdnsp driver fixes for reported problems
- dwc3 fixes for some small reported problems
- uvc gadget driver fix for reported regression
All of these have been in linux-next with no reported problems"
* tag 'usb-6.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: cdnsp: fix issue with ZLP - added TD_SIZE = 1
usb: dwc3: gadget: Clear ep descriptor last
usb: dwc3: exynos: Fix remove() function
usb: cdnsp: Fix issue with Clear Feature Halt Endpoint
usb: dwc3: gadget: Disable GUSB2PHYCFG.SUSPHY for End Transfer
usb: gadget: uvc: also use try_format in set_format
Here are some small driver fixes for 6.1-rc7, they include:
- build warning fix for the vdso when using new versions of grep
- iio driver fixes for reported issues
- small nvmem driver fixes
- fpga Kconfig fix
- interconnect dt binding fix
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small driver fixes for 6.1-rc7, they include:
- build warning fix for the vdso when using new versions of grep
- iio driver fixes for reported issues
- small nvmem driver fixes
- fpga Kconfig fix
- interconnect dt binding fix
All of these have been in linux-next with no reported issues"
* tag 'char-misc-6.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
lib/vdso: use "grep -E" instead of "egrep"
nvmem: lan9662-otp: Change return type of lan9662_otp_wait_flag_clear()
nvmem: rmem: Fix return value check in rmem_read()
fpga: m10bmc-sec: Fix kconfig dependencies
dt-bindings: iio: adc: Remove the property "aspeed,trim-data-valid"
iio: adc: aspeed: Remove the trim valid dts property.
iio: core: Fix entry not deleted when iio_register_sw_trigger_type() fails
iio: accel: bma400: Fix memory leak in bma400_get_steps_reg()
iio: light: rpr0521: add missing Kconfig dependencies
iio: health: afe4404: Fix oob read in afe4404_[read|write]_raw
iio: health: afe4403: Fix oob read in afe4403_read_raw
iio: light: apds9960: fix wrong register for gesture gain
dt-bindings: interconnect: qcom,msm8998-bwmon: Correct SC7280 CPU compatible
register in order to avoid a timer interrupt storm on ARM XGene-1
hardware running in NO_HZ mode
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Merge tag 'timers_urgent_for_v6.1_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Borislav Petkov:
- Return the proper timer register width (31 bits) for a 32-bit signed
register in order to avoid a timer interrupt storm on ARM XGene-1
hardware running in NO_HZ mode
* tag 'timers_urgent_for_v6.1_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/drivers/arm_arch_timer: Fix XGene-1 TVAL register math error
ppc64le which confuses faddr2line's function offsets conversion
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Merge tag 'objtool_urgent_for_v6.1_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fix from Borislav Petkov:
- Handle different output of readelf on different distros running
ppc64le which confuses faddr2line's function offsets conversion
* tag 'objtool_urgent_for_v6.1_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
scripts/faddr2line: Fix regression in name resolution on ppc64le
*after* the size computation is done to prevent and hypothetical ioremap
failures
- Change the MSR save/restore functionality during suspend to rely on
flags denoting that the related MSRs are actually supported vs reading
them and assuming they are (an Atom one allows reading but not writing,
thus breaking this scheme at resume time.)
- prevent IV reuse in the AES-GCM communication scheme between SNP
guests and the AMD secure processor
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Merge tag 'x86_urgent_for_v6.1_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- ioremap: mask out the bits which are not part of the physical address
*after* the size computation is done to prevent any hypothetical
ioremap failures
- Change the MSR save/restore functionality during suspend to rely on
flags denoting that the related MSRs are actually supported vs
reading them and assuming they are (an Atom one allows reading but
not writing, thus breaking this scheme at resume time)
- prevent IV reuse in the AES-GCM communication scheme between SNP
guests and the AMD secure processor
* tag 'x86_urgent_for_v6.1_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/ioremap: Fix page aligned size calculation in __ioremap_caller()
x86/pm: Add enumeration check before spec MSRs save/restore setup
x86/tsx: Add a feature bit for TSX control MSR support
virt/sev-guest: Prevent IV reuse in the SNP guest driver
- output the address in the sample only when it has been requested
- handle the case where user-only events can hit in kernel and thus
upset the sigtrap sanity checking
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Merge tag 'perf_urgent_for_v6.1_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Borislav Petkov:
"Two more fixes to the perf sigtrap handling:
- output the address in the sample only when it has been requested
- handle the case where user-only events can hit in kernel and thus
upset the sigtrap sanity checking"
* tag 'perf_urgent_for_v6.1_rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Consider OS filter fail
perf: Fixup SIGTRAP and sample_flags interaction
* Fixes for Xen emulation. While nobody should be enabling it in
the kernel (the only public users of the feature are the selftests),
the bug effectively allows userspace to read arbitrary memory.
* Correctness fixes for nested hypervisors that do not intercept INIT
or SHUTDOWN on AMD; the subsequent CPU reset can cause a use-after-free
when it disables virtualization extensions. While downgrading the panic
to a WARN is quite easy, the full fix is a bit more laborious; there
are also tests. This is the bulk of the pull request.
* Fix race condition due to incorrect mmu_lock use around
make_mmu_pages_available().
Generic:
* Obey changes to the kvm.halt_poll_ns module parameter in VMs
not using KVM_CAP_HALT_POLL, restoring behavior from before
the introduction of the capability
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"x86:
- Fixes for Xen emulation. While nobody should be enabling it in the
kernel (the only public users of the feature are the selftests),
the bug effectively allows userspace to read arbitrary memory.
- Correctness fixes for nested hypervisors that do not intercept INIT
or SHUTDOWN on AMD; the subsequent CPU reset can cause a
use-after-free when it disables virtualization extensions. While
downgrading the panic to a WARN is quite easy, the full fix is a
bit more laborious; there are also tests. This is the bulk of the
pull request.
- Fix race condition due to incorrect mmu_lock use around
make_mmu_pages_available().
Generic:
- Obey changes to the kvm.halt_poll_ns module parameter in VMs not
using KVM_CAP_HALT_POLL, restoring behavior from before the
introduction of the capability"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: Update gfn_to_pfn_cache khva when it moves within the same page
KVM: x86/xen: Only do in-kernel acceleration of hypercalls for guest CPL0
KVM: x86/xen: Validate port number in SCHEDOP_poll
KVM: x86/mmu: Fix race condition in direct_page_fault
KVM: x86: remove exit_int_info warning in svm_handle_exit
KVM: selftests: add svm part to triple_fault_test
KVM: x86: allow L1 to not intercept triple fault
kvm: selftests: add svm nested shutdown test
KVM: selftests: move idt_entry to header
KVM: x86: forcibly leave nested mode on vCPU reset
KVM: x86: add kvm_leave_nested
KVM: x86: nSVM: harden svm_free_nested against freeing vmcb02 while still in use
KVM: x86: nSVM: leave nested mode on vCPU free
KVM: Obey kvm.halt_poll_ns in VMs not using KVM_CAP_HALT_POLL
KVM: Avoid re-reading kvm->max_halt_poll_ns during halt-polling
KVM: Cap vcpu->halt_poll_ns before halting rather than after
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Merge tag '6.1-rc6-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"Two small cifs/smb3 client fixes:
- an unlock missing in an error path in copychunk_range found by
xfstest 476
- a fix for a use after free in a debug code path"
* tag '6.1-rc6-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: fix missing unlock in cifs_file_copychunk_range()
cifs: Use after free in debug code
- Fix CC_HAS_ASM_GOTO_TIED_OUTPUT test in Kconfig
- Fix noisy "No such file or directory" message when KBUILD_BUILD_VERSION
is passed
- Include rust/ in source tarballs
- Fix missing FORCE for ARCH=nios2 builds
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Merge tag 'kbuild-fixes-v6.1-4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Fix CC_HAS_ASM_GOTO_TIED_OUTPUT test in Kconfig
- Fix noisy "No such file or directory" message when
KBUILD_BUILD_VERSION is passed
- Include rust/ in source tarballs
- Fix missing FORCE for ARCH=nios2 builds
* tag 'kbuild-fixes-v6.1-4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
nios2: add FORCE for vmlinuz.gz
scripts: add rust in scripts/Makefile.package
kbuild: fix "cat: .version: No such file or directory"
init/Kconfig: fix CC_HAS_ASM_GOTO_TIED_OUTPUT test with dash
Add FORCE to placate a warning from make:
arch/nios2/boot/Makefile:24: FORCE prerequisite is missing
Fixes: 2fc8483fdcde ("nios2: Build infrastructure")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Masahiro Yamada <masahiroy@kernel.org>
- Fix rare data corruption on READ operations
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Merge tag 'nfsd-6.1-6' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fix from Chuck Lever:
- Fix rare data corruption on READ operations
* tag 'nfsd-6.1-6' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
NFSD: Fix reads with a non-zero offset that don't end on a page boundary
Fixes for the 6.1 cycle:
* rk817: Two error handling fixes
* ip5xxx: fix inter overflow in current calculation
* ab8500: fix thermal zone probing
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Merge tag 'for-v6.1-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply fixes from Sebastian Reichel:
- rk817: Two error handling fixes
- ip5xxx: fix inter overflow in current calculation
- ab8500: fix thermal zone probing
* tag 'for-v6.1-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
power: supply: ab8500: Defer thermal zone probe
power: supply: ip5xxx: Fix integer overflow in current_now calculation
power: supply: rk817: Change rk817_chg_cur_to_reg to int
power: supply: rk817: check correct variable
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Merge tag 'block-6.1-2022-11-25' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- A few fixes for s390 sads (Stefan, Colin)
- Ensure that ublk doesn't reorder requests, as that can be problematic
on devices that need specific ordering (Ming)
- Fix a queue reference leak in disk allocation handling (Christoph)
* tag 'block-6.1-2022-11-25' of git://git.kernel.dk/linux:
ublk_drv: don't forward io commands in reserve order
s390/dasd: fix possible buffer overflow in copy_pair_show
s390/dasd: fix no record found for raw_track_access
s390/dasd: increase printing of debug data payload
s390/dasd: Fix spelling mistake "Ivalid" -> "Invalid"
blk-mq: fix queue reference leak on blk_mq_alloc_disk_for_queue failure
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Merge tag 'io_uring-6.1-2022-11-25' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
- A few poll related fixes. One fixing a race condition between poll
cancelation and trigger, and one making the overflow handling a bit
more robust (Lin, Pavel)
- Fix an fput() for error handling in the direct file table (Lin)
- Fix for a regression introduced in this cycle, where we don't always
get TIF_NOTIFY_SIGNAL cleared appropriately (me)
* tag 'io_uring-6.1-2022-11-25' of git://git.kernel.dk/linux:
io_uring: clear TIF_NOTIFY_SIGNAL if set and task_work not available
io_uring/poll: fix poll_refs race with cancelation
io_uring/filetable: fix file reference underflow
io_uring: make poll refs more robust
io_uring: cmpxchg for poll arm refs release
- Fix a race between zonefs module initialization of sysfs attribute
directory and mounting a drive (from Xiaoxu).
- Fix active zone accounting in the rare case of an IO error due to a
zone transition to offline or read-only state (from me).
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Merge tag 'zonefs-6.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs
Pull zonefs fixes from Damien Le Moal:
- Fix a race between zonefs module initialization of sysfs attribute
directory and mounting a drive (from Xiaoxu).
- Fix active zone accounting in the rare case of an IO error due to a
zone transition to offline or read-only state (from me).
* tag 'zonefs-6.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs:
zonefs: Fix active zone accounting
zonefs: Fix race between modprobe and mount
This is more changes than I'd like this late although the diffstat is
still fairly small, I kept on holding off as new fixes came in to give
things time to soak in -next but should probably have tagged and sent an
additional pull request earlier.
There's some relatively large fixes to the twl6030 driver to fix issues
with the TWL6032 variant which resulted from some work on the core
TWL6030 driver, a couple of fixes for error handling paths (mostly in
the core), and a nice stability fix for the sgl51000 driver that's been
pulled out of a BSP.
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Merge tag 'regulator-fix-v6.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"This is more changes than I'd like this late although the diffstat is
still fairly small, I kept on holding off as new fixes came in to give
things time to soak in -next but should probably have tagged and sent
an additional pull request earlier.
There's some relatively large fixes to the twl6030 driver to fix
issues with the TWL6032 variant which resulted from some work on the
core TWL6030 driver, a couple of fixes for error handling paths
(mostly in the core), and a nice stability fix for the sgl51000 driver
that's been pulled out of a BSP"
* tag 'regulator-fix-v6.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: twl6030: fix get status of twl6032 regulators
regulator: twl6030: re-add TWL6032_SUBCLASS
regulator: slg51000: Wait after asserting CS pin
regulator: core: fix UAF in destroy_regulator()
regulator: rt5759: fix OOB in validate_desc()
regulator: core: fix kobject release warning and memory leak in regulator_register()
