From: Greg KH <gregkh@linuxfoundation.org>
To: Michael Roth <michael.roth@amd.com>
Cc: kvm@vger.kernel.org, linux-coco@lists.linux.dev,
linux-mm@kvack.org, linux-crypto@vger.kernel.org, x86@kernel.org,
linux-kernel@vger.kernel.org, tglx@linutronix.de,
mingo@redhat.com, jroedel@suse.de, thomas.lendacky@amd.com,
hpa@zytor.com, ardb@kernel.org, pbonzini@redhat.com,
seanjc@google.com, vkuznets@redhat.com, jmattson@google.com,
luto@kernel.org, dave.hansen@linux.intel.com, slp@redhat.com,
pgonda@google.com, peterz@infradead.org,
srinivas.pandruvada@linux.intel.com, rientjes@google.com,
dovmurik@linux.ibm.com, tobin@ibm.com, bp@alien8.de,
vbabka@suse.cz, kirill@shutemov.name, ak@linux.intel.com,
tony.luck@intel.com, marcorr@google.com,
sathyanarayanan.kuppuswamy@linux.intel.com, alpergun@google.com,
jarkko@kernel.org, ashish.kalra@amd.com, nikunj.dadhania@amd.com,
pankaj.gupta@amd.com, liam.merwick@oracle.com,
zhi.a.wang@intel.com, stable@vger.kernel.org
Subject: Re: [PATCH v10 01/50] KVM: SVM: INTERCEPT_RDTSCP is never intercepted anyway
Date: Mon, 16 Oct 2023 17:12:15 +0200 [thread overview]
Message-ID: <2023101627-species-unscrew-2730@gregkh> (raw)
In-Reply-To: <20231016132819.1002933-2-michael.roth@amd.com>
On Mon, Oct 16, 2023 at 08:27:30AM -0500, Michael Roth wrote:
> From: Paolo Bonzini <pbonzini@redhat.com>
>
> svm_recalc_instruction_intercepts() is always called at least once
> before the vCPU is started, so the setting or clearing of the RDTSCP
> intercept can be dropped from the TSC_AUX virtualization support.
>
> Extracted from a patch by Tom Lendacky.
>
> Cc: stable@vger.kernel.org
> Fixes: 296d5a17e793 ("KVM: SEV-ES: Use V_TSC_AUX if available instead of RDTSC/MSR_TSC_AUX intercepts")
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> (cherry picked from commit e8d93d5d93f85949e7299be289c6e7e1154b2f78)
> Signed-off-by: Michael Roth <michael.roth@amd.com>
> ---
> arch/x86/kvm/svm/sev.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
What stable tree(s) are you wanting this applied to (same for the others
in this series)? It's already in the 6.1.56 release, and the Fixes tag
is for 5.19, so I don't see where it could be missing from?
thanks,
greg k-h
next prev parent reply other threads:[~2023-10-16 15:12 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20231016132819.1002933-1-michael.roth@amd.com>
2023-10-16 13:27 ` [PATCH v10 01/50] KVM: SVM: INTERCEPT_RDTSCP is never intercepted anyway Michael Roth
2023-10-16 15:12 ` Greg KH [this message]
2023-10-16 15:14 ` Paolo Bonzini
2023-10-16 15:21 ` Michael Roth
2023-10-16 13:27 ` [PATCH v10 02/50] KVM: SVM: Fix TSC_AUX virtualization setup Michael Roth
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