linux-kernel - Re: [PATCH 1/2] power: reset: at91-poweroff: fix clobber list

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: <20170607205017.a35lbn4q7eizq7rq@earth>
Date:   Wed, 7 Jun 2017 22:50:17 +0200
From:   Sebastian Reichel <sre@...nel.org>
To:     Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Cc:     Nicolas Ferre <nicolas.ferre@...rochip.com>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/2] power: reset: at91-poweroff: fix clobber list

Hi,

On Wed, May 31, 2017 at 11:49:14AM +0200, Alexandre Belloni wrote:
> Assembly in at91_lpddr_poweroff has r0 in the clobber list but uses r6.
> 
> Reported-by: Ben Hutchings <ben.hutchings@...ethink.co.uk>
> Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>

Thanks, queued.

-- Sebastian

> ---
>  drivers/power/reset/at91-poweroff.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/power/reset/at91-poweroff.c b/drivers/power/reset/at91-poweroff.c
> index c6c3beea72f9..c30c40193aaa 100644
> --- a/drivers/power/reset/at91-poweroff.c
> +++ b/drivers/power/reset/at91-poweroff.c
> @@ -97,7 +97,7 @@ static void at91_lpddr_poweroff(void)
>  		  "r" cpu_to_le32(AT91_DDRSDRC_LPDDR2_PWOFF),
>  		  "r" (at91_shdwc_base),
>  		  "r" cpu_to_le32(AT91_SHDW_KEY | AT91_SHDW_SHDW)
> -		: "r0");
> +		: "r6");
>  }
>  
>  static int at91_poweroff_get_wakeup_mode(struct device_node *np)
> -- 
> 2.11.0
> 

Download attachment "signature.asc" of type "application/pgp-signature" (834 bytes)