From: Tom Lendacky <thomas.lendacky@amd.com>
To: Pavan Kumar Paluri <papaluri@amd.com>,
linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org
Cc: Borislav Petkov <bp@alien8.de>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Eric Van Tassell <Eric.VanTassell@amd.com>,
Ashish Kalra <ashish.kalra@amd.com>,
Michael Roth <michael.roth@amd.com>,
Brijesh Singh <brijesh.singh@amd.com>,
"H . Peter Anvin" <hpa@zytor.com>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH 2/2] x86 KVM:SVM: Provide "nosnp" boot option for sev kernel command line
Date: Fri, 2 Aug 2024 09:19:00 -0500 [thread overview]
Message-ID: <3fbb647c-7a39-372e-c85a-a59e6a652b1a@amd.com> (raw)
In-Reply-To: <20240801205638.6603-3-papaluri@amd.com>
On 8/1/24 15:56, Pavan Kumar Paluri wrote:
> Provide a "nosnp" kernel command line option to prevent enabling of the
> RMP and SEV-SNP features in the host/hypervisor. Not initializing the
> RMP removes system overhead associated with RMP checks.
>
> Co-developed-by: Eric Van Tassell <Eric.VanTassell@amd.com>
> Signed-off-by: Eric Van Tassell <Eric.VanTassell@amd.com>
> Signed-off-by: Pavan Kumar Paluri <papaluri@amd.com>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
> ---
> Documentation/arch/x86/x86_64/boot-options.rst | 3 +++
> arch/x86/virt/svm/cmdline.c | 6 ++++++
> 2 files changed, 9 insertions(+)
next prev parent reply other threads:[~2024-08-02 14:19 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-01 20:56 [PATCH 0/2] "nosnp" sev command line support Pavan Kumar Paluri
2024-08-01 20:56 ` [PATCH 1/2] x86, KVM:SVM: Move sev specific parsing into arch/x86/virt/svm Pavan Kumar Paluri
2024-08-02 14:18 ` Tom Lendacky
2024-08-29 13:24 ` Borislav Petkov
2024-08-29 14:22 ` Borislav Petkov
2024-08-29 15:29 ` Paluri, PavanKumar
2024-08-29 15:41 ` Borislav Petkov
2024-08-29 15:53 ` Paluri, PavanKumar
2024-08-01 20:56 ` [PATCH 2/2] x86 KVM:SVM: Provide "nosnp" boot option for sev kernel command line Pavan Kumar Paluri
2024-08-02 14:19 ` Tom Lendacky [this message]
2024-08-01 20:58 ` [PATCH 0/2] "nosnp" sev command line support Matthew Wilcox
2024-08-01 22:23 ` Paluri, PavanKumar
2024-08-01 22:39 ` Matthew Wilcox
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