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[34.168.104.7]) by smtp.gmail.com with ESMTPSA id k16-20020a170902c41000b00178b77b7e71sm7936571plk.188.2023.01.13.15.13.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Jan 2023 15:13:48 -0800 (PST) Date: Fri, 13 Jan 2023 23:13:44 +0000 From: Sean Christopherson To: Chao Peng Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org, linux-doc@vger.kernel.org, qemu-devel@nongnu.org, Paolo Bonzini , Jonathan Corbet , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Arnd Bergmann , Naoya Horiguchi , Miaohe Lin , x86@kernel.org, "H . Peter Anvin" , Hugh Dickins , Jeff Layton , "J . Bruce Fields" , Andrew Morton , Shuah Khan , Mike Rapoport , Steven Price , "Maciej S . Szmigiero" , Vlastimil Babka , Vishal Annapurve , Yu Zhang , "Kirill A . Shutemov" , luto@kernel.org, jun.nakajima@intel.com, dave.hansen@intel.com, ak@linux.intel.com, david@redhat.com, aarcange@redhat.com, ddutile@redhat.com, dhildenb@redhat.com, Quentin Perret , tabba@google.com, Michael Roth , mhocko@suse.com, wei.w.wang@intel.com Subject: Re: [PATCH v10 4/9] KVM: Add KVM_EXIT_MEMORY_FAULT exit Message-ID: References: <20221202061347.1070246-1-chao.p.peng@linux.intel.com> <20221202061347.1070246-5-chao.p.peng@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221202061347.1070246-5-chao.p.peng@linux.intel.com> X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: C64CD1A0003 X-Stat-Signature: qje8f13rarp8qamri4aspw7r8oxrtr46 X-HE-Tag: 1673651629-153903 X-HE-Meta: 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 FJ+6uOVb vYwkXEF77Kxl8+ebdlgQckpUa2N7p6+du/Fv+yjVdyRwbFoJJtZz81lJrpbbRlAWENrTFOcF+cLroeG1K62buleb5d9TuA4xRLyGT8L7jaPskH7qvx+bdwBHxC4FHPsJgMB/aFK5xa6AnllM= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, Dec 02, 2022, Chao Peng wrote: > diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst > index 99352170c130..d9edb14ce30b 100644 > --- a/Documentation/virt/kvm/api.rst > +++ b/Documentation/virt/kvm/api.rst > @@ -6634,6 +6634,28 @@ array field represents return values. The userspace should update the return > values of SBI call before resuming the VCPU. For more details on RISC-V SBI > spec refer, https://github.com/riscv/riscv-sbi-doc. > > +:: > + > + /* KVM_EXIT_MEMORY_FAULT */ > + struct { > + #define KVM_MEMORY_EXIT_FLAG_PRIVATE (1ULL << 0) Unless there's a reason not to, we should use bit 3 to match the attributes.