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authorKees Cook <keescook@chromium.org>2021-09-30 01:02:14 +0300
committerPeter Zijlstra <peterz@infradead.org>2021-10-15 12:25:14 +0300
commit42a20f86dc19f9282d974df0ba4d226c865ab9dd (patch)
tree548e09e31785a53f7907e0e4c28471d0e53fcbb5 /Documentation/RCU/rcubarrier.rst
parentbc9bbb81730ea667c31c5b284f95ee312bab466f (diff)
downloadlinux-42a20f86dc19f9282d974df0ba4d226c865ab9dd.tar.xz
sched: Add wrapper for get_wchan() to keep task blocked
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
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