From: Paolo Bonzini <pbonzini@redhat.com>
To: Borislav Petkov <bp@alien8.de>, KVM <kvm@vger.kernel.org>
Cc: "Radim Krčmář" <rkrcmar@redhat.com>,
"Joerg Roedel" <joro@8bytes.org>,
"Tom Lendacky" <thomas.lendacky@amd.com>,
"Tony Luck" <tony.luck@intel.com>,
"Yazen Ghannam" <Yazen.Ghannam@amd.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3 0/2] x86/kvm: Enable MCE injection in the guest
Date: Mon, 26 Nov 2018 17:41:21 +0100 [thread overview]
Message-ID: <64d0e75f-f292-7e63-dd66-4e05d4afed5b@redhat.com> (raw)
In-Reply-To: <20181114181507.6037-1-bp@alien8.de>
On 14/11/18 19:15, Borislav Petkov wrote:
> From: Borislav Petkov <bp@suse.de>
>
> Hi all,
>
> here's a rediff ontop of -rc2. No changes, only added Yazen's Tested-by.
>
> Please queue,
> thx.
>
> Changelog:
> ==========
>
> v2:
>
> here's v2, dropping patch 3 and incorporating hopefully all of Radim's
> feedback.
>
> v1:
>
> there's this mce-inject.ko module in the kernel which allows for
> injecting real MCEs and thus test the MCE handling code.
>
> It is doubly useful to be able to inject same MCEs in a guest so that
> testing of the MCE handling code can happen even easier/faster. In order
> to be able to do that on an AMD guest, we need to emulate some bits
> and pieces like the HWCR[McStatusWrEn] bit which allows writes to the
> MCi_STATUS registers without a #GP.
>
> The below does that and with it I'm able to properly inject MCEs in said
> guest.
>
> --
>
> Borislav Petkov (2):
> kvm/x86: Move MSR_K7_HWCR to svm.c
> x86/kvm: Implement MSR_HWCR support
>
> arch/x86/kvm/svm.c | 20 ++++++++++++++++++++
> arch/x86/kvm/x86.c | 46 +++++++++++++++++++++++++++++++---------------
> 2 files changed, 51 insertions(+), 15 deletions(-)
>
Queued, thanks.
Paolo
next prev parent reply other threads:[~2018-11-26 16:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-14 18:15 [PATCH v3 0/2] x86/kvm: Enable MCE injection in the guest Borislav Petkov
2018-11-14 18:15 ` [PATCH v3 1/2] kvm/x86: Move MSR_K7_HWCR to svm.c Borislav Petkov
2018-11-26 15:33 ` David Hildenbrand
2018-11-14 18:15 ` [PATCH v3 2/2] x86/kvm: Implement MSR_HWCR support Borislav Petkov
2018-11-26 16:41 ` Paolo Bonzini [this message]
2019-01-13 14:37 ` [PATCH v3 0/2] x86/kvm: Enable MCE injection in the guest Borislav Petkov
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