linux-kernel - Re: [PATCH v3 2/2] random32: Re-enable KCSAN instrumentation

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Message-ID: <20201201165844.GH1437@paulmck-ThinkPad-P72>
Date:   Tue, 1 Dec 2020 08:58:44 -0800
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     Marco Elver <elver@...gle.com>
Cc:     will@...nel.org, peterz@...radead.org, tglx@...utronix.de,
        mingo@...nel.org, mark.rutland@....com, boqun.feng@...il.com,
        dvyukov@...gle.com, kasan-dev@...glegroups.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/2] random32: Re-enable KCSAN instrumentation

On Tue, Nov 24, 2020 at 12:02:10PM +0100, Marco Elver wrote:
> Re-enable KCSAN instrumentation, now that KCSAN no longer relies on code
> in lib/random32.c.
> 
> Signed-off-by: Marco Elver <elver@...gle.com>

Queued and pushed both, thank you!

							Thanx, Paul

> ---
> v3:
> * Add patch to series, since KCSAN no longer needs lib/random32.c.
> ---
>  lib/Makefile | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/lib/Makefile b/lib/Makefile
> index ce45af50983a..301020c49533 100644
> --- a/lib/Makefile
> +++ b/lib/Makefile
> @@ -27,9 +27,6 @@ KASAN_SANITIZE_string.o := n
>  CFLAGS_string.o += -fno-stack-protector
>  endif
>  
> -# Used by KCSAN while enabled, avoid recursion.
> -KCSAN_SANITIZE_random32.o := n
> -
>  lib-y := ctype.o string.o vsprintf.o cmdline.o \
>  	 rbtree.o radix-tree.o timerqueue.o xarray.o \
>  	 idr.o extable.o sha1.o irq_regs.o argv_split.o \
> -- 
> 2.29.2.454.gaff20da3a2-goog
>