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From: Andrey Ryabinin <aryabinin@virtuozzo.com>
To: Marco Elver <elver@google.com>,
	peterz@infradead.org, dvyukov@google.com, glider@google.com,
	andreyknvl@google.com, mark.rutland@arm.com, hpa@zytor.com
Cc: corbet@lwn.net, tglx@linutronix.de, mingo@redhat.com,
	bp@alien8.de, x86@kernel.org, arnd@arndb.de, jpoimboe@redhat.com,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arch@vger.kernel.org, kasan-dev@googlegroups.com
Subject: Re: [PATCH v3 3/3] asm-generic, x86: Add bitops instrumentation for KASAN
Date: Thu, 13 Jun 2019 13:51:23 +0300	[thread overview]
Message-ID: <5b4babdb-dfae-4006-0608-a9f5814e89e9@virtuozzo.com> (raw)
In-Reply-To: <20190531150828.157832-4-elver@google.com>



On 5/31/19 6:08 PM, Marco Elver wrote:
> This adds a new header to asm-generic to allow optionally instrumenting
> architecture-specific asm implementations of bitops.
> 
> This change includes the required change for x86 as reference and
> changes the kernel API doc to point to bitops-instrumented.h instead.
> Rationale: the functions in x86's bitops.h are no longer the kernel API
> functions, but instead the arch_ prefixed functions, which are then
> instrumented via bitops-instrumented.h.
> 
> Other architectures can similarly add support for asm implementations of
> bitops.
> 
> The documentation text was derived from x86 and existing bitops
> asm-generic versions: 1) references to x86 have been removed; 2) as a
> result, some of the text had to be reworded for clarity and consistency.
> 
> Tested: using lib/test_kasan with bitops tests (pre-requisite patch).
> 
> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=198439
> Signed-off-by: Marco Elver <elver@google.com>

Reviewed-by: Andrey Ryabinin <aryabinin@virtuozzo.com>

  parent reply	other threads:[~2019-06-13 10:51 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-31 15:08 [PATCH v3 0/3] Bitops instrumentation for KASAN Marco Elver
2019-05-31 15:08 ` Marco Elver
2019-05-31 15:08 ` [PATCH v3 1/3] lib/test_kasan: Add bitops tests Marco Elver
2019-05-31 15:08   ` Marco Elver
2019-05-31 15:57   ` Mark Rutland
2019-05-31 15:57     ` Mark Rutland
2019-06-13 10:49   ` Andrey Ryabinin
2019-06-13 10:49     ` Andrey Ryabinin
2019-06-13 12:35     ` Marco Elver
2019-06-13 12:35       ` Marco Elver
2019-05-31 15:08 ` [PATCH v3 2/3] x86: Use static_cpu_has in uaccess region to avoid instrumentation Marco Elver
2019-05-31 15:08   ` Marco Elver
2019-06-07  9:43   ` Marco Elver
2019-06-07  9:43     ` Marco Elver
2019-06-12 14:12     ` Dmitry Vyukov
2019-06-12 14:12       ` Dmitry Vyukov
2019-06-13  9:21   ` Peter Zijlstra
2019-06-13  9:21     ` Peter Zijlstra
2019-06-13 10:50   ` Andrey Ryabinin
2019-06-13 10:50     ` Andrey Ryabinin
2019-05-31 15:08 ` [PATCH v3 3/3] asm-generic, x86: Add bitops instrumentation for KASAN Marco Elver
2019-05-31 15:08   ` Marco Elver
2019-05-31 16:01   ` Mark Rutland
2019-05-31 16:01     ` Mark Rutland
2019-06-13 10:51   ` Andrey Ryabinin [this message]
2019-06-13 10:51     ` Andrey Ryabinin

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