Re: [PATCH -rcu v2 0/2] kcsan: Improvements to reporting
From: Paul E. McKenney
Date: Sat Jan 11 2020 - 00:17:38 EST
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
>