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authorPeter Zijlstra <peterz@infradead.org>2023-01-12 22:44:05 +0300
committerIngo Molnar <mingo@kernel.org>2023-01-13 13:48:18 +0300
commit0e26e1de0032779e43929174339429c16307a299 (patch)
tree2bf1ffaa14449f86b7a876aeca7b40d882109eb0 /kernel/sched
parent0e985e9d22864e29d5d2b3d909ad15134d7f6d46 (diff)
downloadlinux-0e26e1de0032779e43929174339429c16307a299.tar.xz
context_tracking: Fix noinstr vs KASAN
Low level noinstr context-tracking code is calling out to instrumented code on KASAN: vmlinux.o: warning: objtool: __ct_user_enter+0x72: call to __kasan_check_write() leaves .noinstr.text section vmlinux.o: warning: objtool: __ct_user_exit+0x47: call to __kasan_check_write() leaves .noinstr.text section Use even lower level atomic methods to avoid the instrumentation. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lore.kernel.org/r/20230112195542.458034262@infradead.org
Diffstat (limited to 'kernel/sched')
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