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From: Qian Cai <cai@lca.pw>
To: Marco Elver <elver@google.com>
Cc: akiyks@gmail.com, stern@rowland.harvard.edu, glider@google.com,
	parri.andrea@gmail.com, andreyknvl@google.com, luto@kernel.org,
	ard.biesheuvel@linaro.org, arnd@arndb.de, boqun.feng@gmail.com,
	bp@alien8.de, dja@axtens.net, dlustig@nvidia.com,
	dave.hansen@linux.intel.com, dhowells@redhat.com,
	dvyukov@google.com, hpa@zytor.com, mingo@redhat.com,
	j.alglave@ucl.ac.uk, joel@joelfernandes.org, corbet@lwn.net,
	jpoimboe@redhat.com, luc.maranget@inria.fr, mark.rutland@arm.com,
	npiggin@gmail.com, paulmck@kernel.org, peterz@infradead.org,
	tglx@linutronix.de, will@kernel.org, edumazet@google.com,
	kasan-dev@googlegroups.com, linux-arch@vger.kernel.org,
	linux-doc@vger.kernel.org, linux-efi@vger.kernel.org,
	linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org, x86@kernel.org
Subject: Re: [PATCH v4 01/10] kcsan: Add Kernel Concurrency Sanitizer infrastructure
Date: Tue, 19 Nov 2019 14:27:33 -0500
Message-ID: <1574191653.9585.6.camel@lca.pw> (raw)
In-Reply-To: <20191114180303.66955-2-elver@google.com>

On Thu, 2019-11-14 at 19:02 +0100, 'Marco Elver' via kasan-dev wrote:

> +menuconfig KCSAN
> +	bool "KCSAN: watchpoint-based dynamic data race detector"
> +	depends on HAVE_ARCH_KCSAN && !KASAN && STACKTRACE

"!KASAN" makes me sorrow. What's problem of those two?

> +	default n
> +	help
> +	  Kernel Concurrency Sanitizer is a dynamic data race detector, which
> +	  uses a watchpoint-based sampling approach to detect races. See
> +	  <file:Documentation/dev-tools/kcsan.rst> for more details.
> +


  reply index

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-14 18:02 [PATCH v4 00/10] Add Kernel Concurrency Sanitizer (KCSAN) Marco Elver
2019-11-14 18:02 ` [PATCH v4 01/10] kcsan: Add Kernel Concurrency Sanitizer infrastructure Marco Elver
2019-11-19 19:27   ` Qian Cai [this message]
2019-11-19 19:54     ` Marco Elver
2019-11-19 21:42       ` Qian Cai
2019-11-19 21:53         ` Marco Elver
2020-01-03  5:13   ` Qian Cai
2020-01-06 12:46     ` Marco Elver
2020-01-14 11:08       ` Qian Cai
2020-01-14 12:51         ` Marco Elver
2020-01-14 19:22         ` Paul E. McKenney
2020-01-14 20:30           ` Qian Cai
2020-01-14 21:34             ` Paul E. McKenney
2020-01-14 21:48               ` Qian Cai
2020-01-14 22:09                 ` Paul E. McKenney
2019-11-14 18:02 ` [PATCH v4 02/10] include/linux/compiler.h: Introduce data_race(expr) macro Marco Elver
2019-11-14 18:02 ` [PATCH v4 03/10] kcsan: Add Documentation entry in dev-tools Marco Elver
2019-11-14 18:02 ` [PATCH v4 04/10] objtool, kcsan: Add KCSAN runtime functions to whitelist Marco Elver
2019-11-14 18:02 ` [PATCH v4 05/10] build, kcsan: Add KCSAN build exceptions Marco Elver
2019-11-14 18:02 ` [PATCH v4 06/10] seqlock, kcsan: Add annotations for KCSAN Marco Elver
2019-11-14 18:03 ` [PATCH v4 07/10] seqlock: Require WRITE_ONCE surrounding raw_seqcount_barrier Marco Elver
2019-11-14 18:03 ` [PATCH v4 08/10] asm-generic, kcsan: Add KCSAN instrumentation for bitops Marco Elver
2019-11-15 11:55   ` Marco Elver
2019-11-14 18:03 ` [PATCH v4 09/10] locking/atomics, kcsan: Add KCSAN instrumentation Marco Elver
2019-11-14 18:03 ` [PATCH v4 10/10] x86, kcsan: Enable KCSAN for x86 Marco Elver
2019-11-14 19:50 ` [PATCH v4 00/10] Add Kernel Concurrency Sanitizer (KCSAN) Paul E. McKenney
2019-11-14 21:33   ` Marco Elver
2019-11-14 22:15     ` Paul E. McKenney
2019-11-15 12:02       ` Marco Elver
2019-11-15 16:41         ` Paul E. McKenney
2019-11-15 17:14           ` Marco Elver
2019-11-15 20:43             ` Paul E. McKenney
2019-11-16  8:20               ` Marco Elver
2019-11-16 15:34                 ` Paul E. McKenney
2019-11-16 18:09                   ` Marco Elver
2019-11-16 18:28                     ` Paul E. McKenney
2019-11-19 19:50 ` Qian Cai
2019-11-19 20:12 ` Qian Cai
2019-11-19 21:50   ` Marco Elver
2019-11-20 15:54     ` Marco Elver

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