Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1228235
| From | Borislav Petkov <bp@alien8.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] KVM: x86: trap AMD MSRs for the TSeg base and mask |
| Date | 2015-09-18 21:10 +0200 |
| Message-ID | <qa9cK-35r-13@gated-at.bofh.it> (permalink) |
| References | <qa5Vv-6Jf-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, Sep 18, 2015 at 05:34:24PM +0200, Paolo Bonzini wrote:
> These have roughly the same purpose as the SMRR, which we do not need
> to implement in KVM. However, Linux accesses MSR_K8_TSEG_ADDR at
> boot, which causes problems when running a Xen dom0 under KVM.
> Just return 0, meaning that processor protection of SMRAM is not
> in effect.
>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
> arch/x86/include/asm/msr-index.h | 1 +
> arch/x86/kvm/x86.c | 2 ++
> 2 files changed, 3 insertions(+)
Acked-by: Borislav Petkov <bp@suse.de>
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
--
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread
[PATCH] KVM: x86: trap AMD MSRs for the TSeg base and mask Paolo Bonzini <pbonzini@redhat.com> - 2015-09-18 17:40 +0200 Re: [PATCH] KVM: x86: trap AMD MSRs for the TSeg base and mask Borislav Petkov <bp@alien8.de> - 2015-09-18 21:10 +0200
csiph-web