mirror of https://gitee.com/openkylin/linux.git
469f002312
Dmitry Vyukov has reported unexpected KASAN stackdepot growth: https://github.com/google/kasan/issues/36 ... which is caused by the APIC handlers not being present in .irqentry.text: When building with CONFIG_FUNCTION_GRAPH_TRACER=y or CONFIG_KASAN=y, put the APIC interrupt handlers into the .irqentry.text section. This is needed because both KASAN and function graph tracer use __irqentry_text_start and __irqentry_text_end to determine whether a function is an IRQ entry point. Reported-by: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Alexander Potapenko <glider@google.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: aryabinin@virtuozzo.com Cc: kasan-dev@googlegroups.com Cc: kcc@google.com Cc: rostedt@goodmis.org Link: http://lkml.kernel.org/r/1468575763-144889-1-git-send-email-glider@google.com [ Minor edits. ] Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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