linux-kernel - Re: [PATCH 24/31] arch,score: Convert smp_mb_

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAF0htA44Skgit5kE6g1zFQZr2byQeD_Ek5EmvQzQ6hT7nYb4qg@mail.gmail.com>
Date:	Thu, 20 Mar 2014 02:53:50 +0800
From:	Lennox Wu <lennox.wu@...il.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	linux-arch@...r.kernel.org,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 24/31] arch,score: Convert smp_mb__*

It's fine to S+core
Thanks :)

Acked-by: Lennox Wu<lennox.wu@...il.com>

2014-03-19 14:47 GMT+08:00 Peter Zijlstra <peterz@...radead.org>:
> score fully relies on asm-generic/barrier.h, so it can use its default
> implementation.
>
> Signed-off-by: Peter Zijlstra <peterz@...radead.org>
> ---
>  arch/score/include/asm/bitops.h |    7 +------
>  1 file changed, 1 insertion(+), 6 deletions(-)
>
> --- a/arch/score/include/asm/bitops.h
> +++ b/arch/score/include/asm/bitops.h
> @@ -2,12 +2,7 @@
>  #define _ASM_SCORE_BITOPS_H
>
>  #include <asm/byteorder.h> /* swab32 */
> -
> -/*
> - * clear_bit() doesn't provide any barrier for the compiler.
> - */
> -#define smp_mb__before_clear_bit()     barrier()
> -#define smp_mb__after_clear_bit()      barrier()
> +#include <asm/barrier.h>
>
>  #include <asm-generic/bitops.h>
>  #include <asm-generic/bitops/__fls.h>
>
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@...r.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/