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Peter Zijlstra 5180dff752 x86: Increase exception stack sizes 
[ Upstream commit 7fae4c24a2 ]

It turns out that a single page of stack is trivial to overflow with
all the tracing gunk enabled. Raise the exception stacks to 2 pages,
which is still half the interrupt stacks, which are at 4 pages.

Reported-by: Michael Wang <yun.wang@linux.alibaba.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/YUIO9Ye98S5Eb68w@hirez.programming.kicks-ass.net
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-11-26 11:36:04 +01:00
..
boot
x86/boot: kbuild: allow readelf executable to be specified
2020-09-26 18:01:32 +02:00
configs
x86/defconfig: Enable CONFIG_USB_XHCI_HCD=y
2020-09-23 12:11:02 +02:00
crypto
crypto: x86/crc32c - fix building with clang ias
2021-01-23 15:49:55 +01:00
entry
x86/cpu: Initialize MSR_TSC_AUX if RDTSCP *or* RDPID is supported
2021-05-22 10:59:26 +02:00
events
perf/x86: Reset destroy callback on event init failure
2021-10-17 10:19:49 +02:00
hyperv
x86/hyperv: check cpu mask after interrupt has been disabled
2021-01-19 18:22:35 +01:00
ia32
…
include
x86: Increase exception stack sizes
2021-11-26 11:36:04 +01:00
kernel
x86/irq: Ensure PI wakeup handler is unregistered before module unload
2021-11-26 11:35:58 +01:00
kvm
Revert "x86/kvm: fix vcpu-id indexed array sizes"
2021-11-12 14:40:49 +01:00
lib
x86/msr: Fix wr/rdmsr_safe_regs_on_cpu() prototypes
2021-05-22 10:59:47 +02:00
math-emu
x86: math-emu: Fix up 'cmp' insn for clang ias
2020-07-29 10:16:54 +02:00
mm
x86/sme: Use #define USE_EARLY_PGTABLE_L5 in mem_encrypt_identity.c
2021-11-26 11:35:58 +01:00
net
bpf: Introduce BPF nospec instruction for mitigating Spectre v4
2021-09-22 11:47:58 +02:00
oprofile
…
pci
PCI: Add AMD RS690 quirk to enable 64-bit DMA
2021-06-30 08:48:33 -04:00
platform
efi/x86: Free efi_pgd with free_pages()
2020-11-24 13:27:23 +01:00
power
PM / hibernate: Check the success of generating md5 digest before hibernation
2019-11-24 08:19:56 +01:00
purgatory
x86/purgatory: Disable various profiling and sanitizing options
2020-06-25 15:32:52 +02:00
ras
…
realmode
…
tools
x86/tools: Fix objdump version check again
2021-08-26 08:36:39 -04:00
um
…
video
…
xen
xen/x86: fix PV trap handling on secondary processors
2021-10-06 15:31:10 +02:00
.gitignore
…
Kbuild
…
Kconfig
x86/Kconfig: Do not enable AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT automatically
2021-10-20 11:23:03 +02:00
Kconfig.cpu
…
Kconfig.debug
x86, perf: Fix the dependency of the x86 insn decoder selftest
2020-01-27 14:51:08 +01:00
Makefile
x86/build: Propagate $(CLANG_FLAGS) to $(REALMODE_FLAGS)
2021-05-22 10:59:15 +02:00
Makefile_32.cpu
…
Makefile.um
…