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Open Source and information security mailing list archives
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Date: Tue, 10 Aug 2021 09:57:38 -0500 From: Brijesh Singh <brijesh.singh@....com> To: Borislav Petkov <bp@...en8.de> Cc: brijesh.singh@....com, x86@...nel.org, linux-kernel@...r.kernel.org, kvm@...r.kernel.org, linux-efi@...r.kernel.org, platform-driver-x86@...r.kernel.org, linux-coco@...ts.linux.dev, linux-mm@...ck.org, linux-crypto@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Joerg Roedel <jroedel@...e.de>, Tom Lendacky <thomas.lendacky@....com>, "H. Peter Anvin" <hpa@...or.com>, Ard Biesheuvel <ardb@...nel.org>, Paolo Bonzini <pbonzini@...hat.com>, Sean Christopherson <seanjc@...gle.com>, Vitaly Kuznetsov <vkuznets@...hat.com>, Wanpeng Li <wanpengli@...cent.com>, Jim Mattson <jmattson@...gle.com>, Andy Lutomirski <luto@...nel.org>, Dave Hansen <dave.hansen@...ux.intel.com>, Sergio Lopez <slp@...hat.com>, Peter Gonda <pgonda@...gle.com>, Peter Zijlstra <peterz@...radead.org>, Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>, David Rientjes <rientjes@...gle.com>, Dov Murik <dovmurik@...ux.ibm.com>, Tobin Feldman-Fitzthum <tobin@....com>, Michael Roth <michael.roth@....com>, Vlastimil Babka <vbabka@...e.cz>, tony.luck@...el.com, npmccallum@...hat.com, brijesh.ksingh@...il.com Subject: Re: [PATCH Part1 RFC v4 04/36] x86/mm: Add sev_feature_enabled() helper On 8/10/21 6:25 AM, Borislav Petkov wrote: > On Wed, Jul 07, 2021 at 01:14:34PM -0500, Brijesh Singh wrote: >> The sev_feature_enabled() helper can be used by the guest to query whether >> the SNP - Secure Nested Paging feature is active. >> >> Signed-off-by: Brijesh Singh <brijesh.singh@....com> >> --- >> arch/x86/include/asm/mem_encrypt.h | 8 ++++++++ >> arch/x86/include/asm/msr-index.h | 2 ++ >> arch/x86/mm/mem_encrypt.c | 14 ++++++++++++++ >> 3 files changed, 24 insertions(+) > > This will get replaced by this I presume: > > https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flkml.kernel.org%2Fr%2Fcover.1627424773.git.thomas.lendacky%40amd.com&data=04%7C01%7Cbrijesh.singh%40amd.com%7C15d8b87644e148488da408d95bf16ae3%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637641914718165877%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=UMRigkWSG2h%2BZ4L08AUlG0JeUiqMb9te52LprPrq51M%3D&reserved=0 > Yes. thanks
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