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From: Peter Zijlstra <peterz@infradead.org>
To: Marco Elver <elver@google.com>
Cc: "Paul E. McKenney" <paulmck@kernel.org>,
	Dmitry Vyukov <dvyukov@google.com>,
	Alexander Potapenko <glider@google.com>,
	Andrey Konovalov <andreyknvl@google.com>,
	kasan-dev <kasan-dev@googlegroups.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@kernel.org>, Will Deacon <will@kernel.org>,
	clang-built-linux <clang-built-linux@googlegroups.com>,
	Borislav Petkov <bp@alien8.de>
Subject: Re: [PATCH -tip v3 05/11] kcsan: Remove 'noinline' from __no_kcsan_or_inline
Date: Fri, 29 May 2020 20:59:23 +0200	[thread overview]
Message-ID: <20200529185923.GO706495@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <CANpmjNPaL=HRvaJOC37_Cf4S4kskZezmgRiDSGn460rO2dM4+g@mail.gmail.com>

On Fri, May 29, 2020 at 08:36:56PM +0200, Marco Elver wrote:

> > +/* Section for code which can't be instrumented at all */
> > +#define noinstr                                                                \
> > +       noinline notrace __attribute((__section__(".noinstr.text"))) __no_kcsan
> > +
> 
> Will this eventually need __no_sanitize_address?

Yes, and __no_sanitize_undefined and whatever else there is.

https://lkml.kernel.org/r/20200529171104.GD706518@hirez.programming.kicks-ass.net


> Acked -- if you send a patch, do split the test-related change, so
> that Paul can apply it to the test which is currently only in -rcu.

Ok, I'll try not forget over the weekend ;-)

  reply	other threads:[~2020-05-29 18:59 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-21 14:20 [PATCH -tip v3 00/11] Fix KCSAN for new ONCE (require Clang 11) Marco Elver
2020-05-21 14:20 ` [PATCH -tip v3 01/11] ubsan, kcsan: don't combine sanitizer with kcov on clang Marco Elver
2020-05-21 14:20 ` [PATCH -tip v3 02/11] kcsan: Avoid inserting __tsan_func_entry/exit if possible Marco Elver
2020-05-22 16:08   ` [tip: locking/kcsan] " tip-bot2 for Marco Elver
2020-05-21 14:20 ` [PATCH -tip v3 03/11] kcsan: Support distinguishing volatile accesses Marco Elver
2020-05-22 10:26   ` Borislav Petkov
2020-05-22 10:34     ` Marco Elver
2020-05-22 10:47       ` Borislav Petkov
2020-05-22 16:08   ` [tip: locking/kcsan] " tip-bot2 for Marco Elver
2020-05-21 14:20 ` [PATCH -tip v3 04/11] kcsan: Pass option tsan-instrument-read-before-write to Clang Marco Elver
2020-05-22 16:08   ` [tip: locking/kcsan] " tip-bot2 for Marco Elver
2020-05-21 14:20 ` [PATCH -tip v3 05/11] kcsan: Remove 'noinline' from __no_kcsan_or_inline Marco Elver
2020-05-29 17:07   ` Peter Zijlstra
2020-05-29 18:36     ` Marco Elver
2020-05-29 18:59       ` Peter Zijlstra [this message]
2020-05-21 14:20 ` [PATCH -tip v3 06/11] kcsan: Restrict supported compilers Marco Elver
2020-05-21 14:20 ` [PATCH -tip v3 07/11] kcsan: Update Documentation to change " Marco Elver
2020-05-22 16:08   ` [tip: locking/kcsan] " tip-bot2 for Marco Elver
2020-05-21 14:20 ` [PATCH -tip v3 08/11] READ_ONCE, WRITE_ONCE: Remove data_race() and unnecessary checks Marco Elver
2020-05-22 16:08   ` [tip: locking/kcsan] compiler.h: Remove data_race() and unnecessary checks from {READ,WRITE}_ONCE() tip-bot2 for Marco Elver
2020-05-21 14:20 ` [PATCH -tip v3 09/11] data_race: Avoid nested statement expression Marco Elver
2020-05-21 20:21   ` Nick Desaulniers
2020-05-26 10:42     ` Arnd Bergmann
2020-05-26 12:02       ` Will Deacon
2020-05-26 12:19         ` Arnd Bergmann
2020-05-26 13:12           ` Marco Elver
2020-05-26 17:33             ` Marco Elver
2020-05-26 19:00               ` Arnd Bergmann
2020-05-26 23:10                 ` Arnd Bergmann
2020-05-27  7:22                   ` Will Deacon
2020-05-27  7:44                     ` Marco Elver
2020-05-27  9:26                       ` Arnd Bergmann
2020-05-28 12:53                         ` Stephen Rothwell
2020-05-26 21:36               ` Peter Zijlstra
2020-05-21 14:20 ` [PATCH -tip v3 10/11] compiler.h: Move function attributes to compiler_types.h Marco Elver
2020-05-22 16:08   ` [tip: locking/kcsan] " tip-bot2 for Marco Elver
2020-05-21 14:20 ` [PATCH -tip v3 11/11] compiler_types.h, kasan: Use __SANITIZE_ADDRESS__ instead of CONFIG_KASAN to decide inlining Marco Elver
2020-05-22 16:08   ` [tip: locking/kcsan] " tip-bot2 for Marco Elver
2020-05-22 11:35 ` [PATCH -tip v3 00/11] Fix KCSAN for new ONCE (require Clang 11) Peter Zijlstra

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