linux-kernel - Re: [PATCH -next] edac/mce

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]

Date:	Wed, 13 Oct 2010 15:39:33 -0700 (PDT)
From:	Doug Thompson <norsk5@...oo.com>
To:	lkml <linux-kernel@...r.kernel.org>,
	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	Doug Thompson <dougthompson@...ssion.com>,
	Borislav Petkov <borislav.petkov@....com>,
	akpm <akpm@...ux-foundation.org>
Subject: Re: [PATCH -next] edac/mce_amd: fix shift warning



--- On Wed, 10/13/10, Randy Dunlap <randy.dunlap@...cle.com> wrote:

> From: Randy Dunlap <randy.dunlap@...cle.com>
> Subject: [PATCH -next] edac/mce_amd: fix shift warning
> To: "lkml" <linux-kernel@...r.kernel.org>
> Cc: "Doug Thompson" <dougthompson@...ssion.com>, "Borislav Petkov" <borislav.petkov@....com>, "akpm" <akpm@...ux-foundation.org>
> Date: Wednesday, October 13, 2010, 2:10 PM
> From: Randy Dunlap <randy.dunlap@...cle.com>
> 
> The BIT() macro works on unsigned longs, but this warning
> happens
> on i386 (X86_32), where UL is 32 bits and this value needs
> to be
> 64 bits, so use open-coded ULL.

good find


> 
> drivers/edac/mce_amd.c:262: warning: left shift count >=
> width of type
> 
> Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>

Signed-off-by: Doug Thompson <dougthompson@...ssion.com>


> Cc: Doug Thompson <dougthompson@...ssion.com>
> Cc: Borislav Petkov <borislav.petkov@....com>
> ---
>  drivers/edac/mce_amd.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> --- linux-next-20101012.orig/drivers/edac/mce_amd.c
> +++ linux-next-20101012/drivers/edac/mce_amd.c
> @@ -259,7 +259,8 @@ static void amd_decode_ic_mce(struct
> mce
>          pr_cont("%s TLB
> %s.\n", LL_MSG(ec),
>             
> (xec ? "multimatch" : "parity error"));
>      else if (BUS_ERROR(ec)) {
> -        bool k8 =
> (boot_cpu_data.x86 == 0xf && (m->status &
> BIT(58)));
> +        bool k8 =
> (boot_cpu_data.x86 == 0xf &&
> +           
>     (m->status & (1ULL <<
> 58)));
>  
>          pr_cont("during
> %s.\n", (k8 ? "system linefill" : "NB data read"));
>      } else if (fam_ops->ic_mce(ec))
> 
--
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/