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linux/arch/xtensa/kernel
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Kees Cook 5ce1264b58 sched: Add wrapper for get_wchan() to keep task blocked 
commit 42a20f86dc upstream.

Having a stable wchan means the process must be blocked and for it to
stay that way while performing stack unwinding.

Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> [arm]
Tested-by: Mark Rutland <mark.rutland@arm.com> [arm64]
Link: https://lkml.kernel.org/r/20211008111626.332092234@infradead.org
Signed-off-by: Siddhi Katage <siddhi.katage@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-08-28 16:24:03 +02:00
..
syscalls Merge branch 'akpm' (patches from Andrew) 2021-09-03 10:08:28 -07:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
align.S xtensa: clean up word alignment macros in assembly code 2017-12-10 14:48:53 -08:00
asm-offsets.c xtensa: add missing exclusive access state management 2020-07-31 14:15:57 -07:00
coprocessor.S xtensa: fix a7 clobbering in coprocessor context load/store 2022-04-27 14:38:59 +02:00
entry.S xtensa: add support for TIF_NOTIFY_SIGNAL 2020-11-12 08:45:56 -07:00
head.S xtensa: Couple of typo fixes 2021-04-04 15:39:04 -07:00
hw_breakpoint.c xtensa: replace variant/core.h with asm/core.h 2019-05-06 17:48:55 -07:00
irq.c xtensa: call irqchip_init only when CONFIG_USE_OF is selected 2021-09-27 09:46:33 -07:00
jump_label.c xtensa: patch_text: Fixup last cpu should be master 2022-04-27 14:38:59 +02:00
Makefile xtensa: use the generic uncached segment support 2019-11-11 10:52:18 +01:00
mcount.S xtensa: abstract 'entry' and 'retw' in assembly code 2019-07-08 10:04:48 -07:00
module.c xtensa: clean up custom-controlled debug output 2017-12-16 22:37:08 -08:00
mxhead.S xtensa: drop unused sections and remapped reset handlers 2015-11-03 17:19:39 +03:00
pci-dma.c dma-mapping: merge <linux/dma-noncoherent.h> into <linux/dma-map-ops.h> 2020-10-06 07:07:06 +02:00
pci.c xtensa: fix warning comparing pointer to 0 2021-04-04 15:39:02 -07:00
perf_event.c xtensa: PMU: fix base address for the newer hardware 2023-09-19 12:22:51 +02:00
platform.c xtensa: drop empty platform_* functions from platforms 2020-01-31 12:17:28 -08:00
process.c sched: Add wrapper for get_wchan() to keep task blocked 2025-08-28 16:24:03 +02:00
ptrace.c ptrace/xtensa: Replace PT_SINGLESTEP with TIF_SINGLESTEP 2022-06-09 10:22:29 +02:00
s32c1i_selftest.c xtensa: move S32C1I self-test to a separate file 2016-11-16 15:08:28 -08:00
setup.c xtensa: use CONFIG_USE_OF instead of CONFIG_OF 2021-09-27 06:08:58 -07:00
signal.c ptrace/xtensa: Replace PT_SINGLESTEP with TIF_SINGLESTEP 2022-06-09 10:22:29 +02:00
smp.c sched/core: Initialize the idle task with preemption disabled 2021-05-12 13:01:45 +02:00
stacktrace.c arch: xtensa: Remove CONFIG_OPROFILE support 2021-01-29 10:05:51 +05:30
syscall.c xtensa: syscalls: switch to generic syscalltbl.sh 2021-04-04 15:39:03 -07:00
time.c xtensa: Fix refcount leak bug in time.c 2022-06-29 09:03:29 +02:00
traps.c xtensa: fix KASAN report for show_stack 2023-04-05 11:25:00 +02:00
vectors.S mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
vmlinux.lds.S xtensa: reorganize vectors placement 2020-02-04 21:57:02 -08:00
xtensa_ksyms.c asm-generic: reverse GENERIC_{STRNCPY_FROM,STRNLEN}_USER symbols 2021-07-30 10:30:21 +02:00