Re: [PATCH] x86/process: Silence KASAN warnings in get_wchan()

From	Andi Kleen <ak@linux.intel.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] x86/process: Silence KASAN warnings in get_wchan()
Date	2015-10-05 21:00 +0200
Message-ID	<qgj9o-7qa-7@gated-at.bofh.it> (permalink)
References	(1 earlier) <qgc7U-5TG-7@gated-at.bofh.it> <qgcrg-6gj-9@gated-at.bofh.it> <qgcrg-6gj-13@gated-at.bofh.it> <qggXT-4mO-3@gated-at.bofh.it> <qghhf-4Jy-9@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

> Yes, it might be better. Although, because of broken -fconserve-stack, this may
> not work in some cases - https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63533
> Function splitter may split original function into two parts and it always puts one split
> part in default .text section.

Interesting.

I guess could just add noinline too. It only happens with inlining, right?

Probably that needs to be added to all the existing section users too,
like __kprobes.

-Andi
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Thread

[PATCH] x86/process: Silence KASAN warnings in get_wchan() Andrey Ryabinin <aryabinin@virtuozzo.com> - 2015-10-05 12:40 +0200
  Re: [PATCH] x86/process: Silence KASAN warnings in get_wchan() Borislav Petkov <bp@alien8.de> - 2015-10-05 13:20 +0200
  Re: [PATCH] x86/process: Silence KASAN warnings in get_wchan() Ingo Molnar <mingo@kernel.org> - 2015-10-05 13:30 +0200
    Re: [PATCH] x86/process: Silence KASAN warnings in get_wchan() Dmitry Vyukov <dvyukov@google.com> - 2015-10-05 13:50 +0200
      Re: [PATCH] x86/process: Silence KASAN warnings in get_wchan() Andrey Ryabinin <aryabinin@virtuozzo.com> - 2015-10-05 13:50 +0200
        Re: [PATCH] x86/process: Silence KASAN warnings in get_wchan() Borislav Petkov <bp@alien8.de> - 2015-10-05 15:20 +0200
          Re: [PATCH] x86/process: Silence KASAN warnings in get_wchan() Andy Lutomirski <luto@amacapital.net> - 2015-10-05 20:50 +0200
        Re: [PATCH] x86/process: Silence KASAN warnings in get_wchan() Andi Kleen <ak@linux.intel.com> - 2015-10-05 18:40 +0200
          Re: [PATCH] x86/process: Silence KASAN warnings in get_wchan() Andrey Ryabinin <aryabinin@virtuozzo.com> - 2015-10-05 19:00 +0200
            Re: [PATCH] x86/process: Silence KASAN warnings in get_wchan() Andi Kleen <ak@linux.intel.com> - 2015-10-05 21:00 +0200
            Re: [PATCH] x86/process: Silence KASAN warnings in get_wchan() Ingo Molnar <mingo@kernel.org> - 2015-10-06 09:30 +0200
              Re: [PATCH] x86/process: Silence KASAN warnings in get_wchan() Andrey Ryabinin <aryabinin@virtuozzo.com> - 2015-10-06 09:40 +0200
              Re: [PATCH] x86/process: Silence KASAN warnings in get_wchan() Andy Lutomirski <luto@amacapital.net> - 2015-10-06 20:20 +0200
                Re: [PATCH] x86/process: Silence KASAN warnings in get_wchan() Ingo Molnar <mingo@kernel.org> - 2015-10-07 09:30 +0200
                Re: [PATCH] x86/process: Silence KASAN warnings in get_wchan() Andrey Ryabinin <aryabinin@virtuozzo.com> - 2015-10-07 11:00 +0200
                Re: [PATCH] x86/process: Silence KASAN warnings in get_wchan() Andrey Ryabinin <aryabinin@virtuozzo.com> - 2015-10-07 11:20 +0200
                Re: [PATCH] x86/process: Silence KASAN warnings in get_wchan() Andi Kleen <ak@linux.intel.com> - 2015-10-07 18:30 +0200
                Re: [PATCH] x86/process: Silence KASAN warnings in get_wchan() Andrey Ryabinin <ryabinin.a.a@gmail.com> - 2015-10-07 20:50 +0200

csiph-web