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Fri, 21 Aug 2026 07:05:41 -0700 (PDT) Message-ID: <986b9e8f-f136-41af-9ded-8bece569c0c0@gmail.com> Date: Fri, 21 Aug 2026 15:05:39 +0100 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 2/5] KVM: arm64: Add pre_fault_memory implementation To: Alexandru Elisei , "Aneesh Kumar K.V" Cc: maz@kernel.org, oupton@kernel.org, pbonzini@redhat.com, joey.gouly@arm.com, seiden@linux.ibm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, catalin.marinas@arm.com, will@kernel.org, shuah@kernel.org, corbet@lwn.net, vladimir.murzin@arm.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-doc@vger.kernel.org, isaku.yamahata@intel.com, Jack Thomson References: <20260612162354.73378-1-jackabt.amazon@gmail.com> <20260612162354.73378-3-jackabt.amazon@gmail.com> Content-Language: en-US From: "Thomson, Jack" In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi Aneesh and Alex On 11/08/2026 5:03 pm, Alexandru Elisei wrote: > On Mon, Aug 03, 2026 at 11:36:33AM +0530, Aneesh Kumar K.V wrote: >> But both gmem_abort() and user_mem_abort() handle -EAGAIN internally, don't they? > > I think you're right, please ignore my comment about an existing mapping with > is_protected_kvm_enabled(). Thanks Aneesh, yeah that's the intent. Vincent pointed me to the pgt->pkvm_mappings interval tree that can be used to detect the existing mappings in pKVM, so I'll be updating to use that in v6. -- Thanks, Jack