From: Borislav Petkov <borislav.petkov@amd.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Borislav Petkov <bp@amd64.org>, "H. Peter Anvin" <hpa@zytor.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.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>
Subject: Re: [PATCH 2/4] x86, CPU: Fix show_msr MSR accessing function
Date: Sat, 2 Jun 2012 00:50:30 +0200 [thread overview]
Message-ID: <20120601225030.GC30418@aftab.osrc.amd.com> (raw)
In-Reply-To: <CAE9FiQVad9qWvZeBej31Mw4aEJO3L0L6ZC7mx7VJQwRB_q8fzQ@mail.gmail.com>
On Fri, Jun 01, 2012 at 11:22:03AM -0700, Yinghai Lu wrote:
> can you double check if the range will need special passcode ?
>
> { 0x00000000, 0x00000418},
> { 0xc0000000, 0xc000040b},
> { 0xc0010000, 0xc0010142},
> { 0xc0011000, 0xc001103b},
>
> passcode should be
> gprs[7] = 0x9c5a203a;
This currently reads the MSRs it can read without the passcode. There's
no reason I'm aware of to access the other MSRs.
--
Regards/Gruss,
Boris.
Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach
GM: Alberto Bozzo
Reg: Dornach, Landkreis Muenchen
HRB Nr. 43632 WEEE Registernr: 129 19551
next prev parent reply other threads:[~2012-06-01 22:50 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-01 14:52 [PATCH 0/4] x86, CPU, AMD: Cleanup AMD-specific MSR-rw users Borislav Petkov
2012-06-01 14:52 ` [PATCH 1/4] x86, pvops: Remove hooks for {rd, wr}msr_safe_regs Borislav Petkov
2012-06-06 20:06 ` [PATCH 1/4] x86, pvops: Remove hooks for {rd,wr}msr_safe_regs Konrad Rzeszutek Wilk
2012-06-01 14:52 ` [PATCH 2/4] x86, CPU: Fix show_msr MSR accessing function Borislav Petkov
2012-06-01 18:22 ` Yinghai Lu
2012-06-01 22:50 ` Borislav Petkov [this message]
2012-06-06 20:07 ` Konrad Rzeszutek Wilk
2012-06-01 14:52 ` [PATCH 3/4] x86, AMD: Fix crash as Xen Dom0 on AMD Trinity systems Borislav Petkov
2012-06-06 20:07 ` 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
2012-06-01 14:52 ` [PATCH 4/4] x86, CPU, AMD: Deprecate AMD-specific MSR variants Borislav Petkov
2012-06-06 20:07 ` Konrad Rzeszutek Wilk
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
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