linux-kernel - Re: [PATCH -rcu v2 0/2] kcsan: Improvements to reporting

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Message-ID: <20200111051726.GH13449@paulmck-ThinkPad-P72>
Date:   Fri, 10 Jan 2020 21:17:26 -0800
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     Marco Elver <elver@...gle.com>
Cc:     andreyknvl@...gle.com, glider@...gle.com, dvyukov@...gle.com,
        kasan-dev@...glegroups.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -rcu v2 0/2] kcsan: Improvements to reporting

On Fri, Jan 10, 2020 at 07:48:32PM +0100, Marco Elver wrote:
> Improvements to KCSAN data race reporting:
> 1. Show if access is marked (*_ONCE, atomic, etc.).
> 2. Rate limit reporting to avoid spamming console.
> 
> v2:
> * Paul E. McKenney: commit message reword.
> * Use jiffies instead of ktime -- we want to avoid calling into any
>   further complex libraries, since KCSAN may also detect data races in
>   them, and as a result potentially leading to observing corrupt state
>   (e.g. here, observing corrupt ktime_t value).
> 
> 
> Marco Elver (2):
>   kcsan: Show full access type in report
>   kcsan: Rate-limit reporting per data races

I replaced the existing commits with these guys, thank you!

							Thanx, Paul

>  kernel/kcsan/core.c   |  15 +++--
>  kernel/kcsan/kcsan.h  |   2 +-
>  kernel/kcsan/report.c | 151 +++++++++++++++++++++++++++++++++++-------
>  lib/Kconfig.kcsan     |  10 +++
>  4 files changed, 146 insertions(+), 32 deletions(-)
> 
> -- 
> 2.25.0.rc1.283.g88dfdc4193-goog
>