From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Borislav Petkov <bp@amd64.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>, Jacob Shin <jacob.shin@amd.com>,
Andre Przywara <andre.przywara@amd.com>,
jeremy@goop.org, xen-devel@lists.xensource.com,
LKML <linux-kernel@vger.kernel.org>,
Jan Beulich <JBeulich@suse.com>, Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Borislav Petkov <borislav.petkov@amd.com>,
Yinghai Lu <yinghai@kernel.org>
Subject: Re: [PATCH 2/4] x86, CPU: Fix show_msr MSR accessing function
Date: Wed, 6 Jun 2012 16:07:15 -0400 [thread overview]
Message-ID: <20120606200715.GC9602@phenom.dumpdata.com> (raw)
In-Reply-To: <1338562358-28182-3-git-send-email-bp@amd64.org>
On Fri, Jun 01, 2012 at 04:52:36PM +0200, Borislav Petkov wrote:
> From: Borislav Petkov <borislav.petkov@amd.com>
>
> There's no real reason why, when showing the MSRs on a CPU at boottime,
> we should be using the AMD-specific variant. Simply use the generic safe
> one which handles #GPs just fine.
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
>
> Cc: Yinghai Lu <yinghai@kernel.org>
> Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
> ---
> arch/x86/kernel/cpu/common.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
> index 82f29e70d058..232fba2d54c9 100644
> --- a/arch/x86/kernel/cpu/common.c
> +++ b/arch/x86/kernel/cpu/common.c
> @@ -947,7 +947,7 @@ static void __cpuinit __print_cpu_msr(void)
> index_max = msr_range_array[i].max;
>
> for (index = index_min; index < index_max; index++) {
> - if (rdmsrl_amd_safe(index, &val))
> + if (rdmsrl_safe(index, &val))
> continue;
> printk(KERN_INFO " MSR%08x: %016llx\n", index, val);
> }
> --
> 1.7.9.3.362.g71319
next prev parent reply other threads:[~2012-06-06 20:14 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1338562358-28182-1-git-send-email-bp@amd64.org>
2012-06-01 14:53 ` [PATCH 0/4] x86, CPU, AMD: Cleanup AMD-specific MSR-rw users H. Peter Anvin
2012-06-01 14:57 ` Borislav Petkov
2012-06-01 15:06 ` H. Peter Anvin
[not found] ` <1338562358-28182-2-git-send-email-bp@amd64.org>
2012-06-06 20:06 ` [PATCH 1/4] x86, pvops: Remove hooks for {rd,wr}msr_safe_regs Konrad Rzeszutek Wilk
2012-06-07 21:58 ` [tip:x86/cpu] " tip-bot for Andre Przywara
[not found] ` <1338562358-28182-3-git-send-email-bp@amd64.org>
2012-06-01 18:22 ` [PATCH 2/4] x86, CPU: Fix show_msr MSR accessing function Yinghai Lu
2012-06-01 22:50 ` Borislav Petkov
2012-06-06 20:07 ` Konrad Rzeszutek Wilk [this message]
2012-06-07 21:59 ` [tip:x86/cpu] x86, cpu: " tip-bot for Borislav Petkov
[not found] ` <1338562358-28182-4-git-send-email-bp@amd64.org>
2012-06-06 20:07 ` [PATCH 3/4] x86, AMD: Fix crash as Xen Dom0 on AMD Trinity systems Konrad Rzeszutek Wilk
2012-06-06 22:00 ` H. Peter Anvin
2012-06-07 7:21 ` Borislav Petkov
2012-06-07 7:49 ` Andre Przywara
2012-06-07 8:08 ` Greg KH
2012-06-07 8:18 ` Andre Przywara
2012-06-07 13:25 ` [GIT PULL] x86, CPU, AMD: Cleanup AMD-specific MSR-rw users Borislav Petkov
2012-06-07 16:27 ` [PATCH 3/4] x86, AMD: Fix crash as Xen Dom0 on AMD Trinity systems H. Peter Anvin
2012-06-07 22:00 ` [tip:x86/cpu] x86, cpu, amd: " tip-bot for Andre Przywara
[not found] ` <1338562358-28182-5-git-send-email-bp@amd64.org>
2012-06-06 20:07 ` [PATCH 4/4] x86, CPU, AMD: Deprecate AMD-specific MSR variants Konrad Rzeszutek Wilk
2012-06-07 22:01 ` [tip:x86/cpu] x86, cpu, amd: " tip-bot for Borislav Petkov
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