From: Sean Christopherson <seanjc@google.com>
To: Sairaj Kodilkar <sarunkod@amd.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
"Joerg Roedel (AMD)" <joro@8bytes.org>,
Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
Ingo Molnar <mingo@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Robin Murphy <robin.murphy@arm.com>,
Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>,
Thomas Gleixner <tglx@kernel.org>,
Vasant Hegde <vasant.hegde@amd.com>,
Will Deacon <will@kernel.org>,
iommu@lists.linux.dev, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, x86@kernel.org
Subject: Re: [RFC PATCH v2 3/5] kvm/svm: Introduce per-CPU lock and wakeup queue
Date: Wed, 8 Jul 2026 06:36:58 -0700 [thread overview]
Message-ID: <ak5SemBa0O0qrfWk@google.com> (raw)
In-Reply-To: <20260708091408.12106-4-sarunkod@amd.com>
On Wed, Jul 08, 2026, Sairaj Kodilkar wrote:
> Add a per-CPU list and raw spinlock that SVM will use to track vCPUs
> blocked and waiting for a wakeup. The GAPPI interrupt handler will
> scan the corresponding CPU’s list to decide which vCPU to run.
> Initialize both in avic_hardware_setup() when AVIC is enabled.
This needs to be squashed with patch 4. It's useless and unreviewable as a
standalone patch.
next prev parent reply other threads:[~2026-07-08 13:37 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-08 9:14 [RFC PATCH v2 0/5] Add support for AMD IOMMU GAPPI Sairaj Kodilkar
2026-07-08 9:14 ` [RFC PATCH v2 1/5] iommu/amd: kvm/svm: Improve API between SVM and AMD IOMMU Sairaj Kodilkar
2026-07-08 13:36 ` Sean Christopherson
2026-07-09 6:39 ` Sairaj Kodilkar
2026-07-10 17:19 ` Sean Christopherson
2026-07-08 9:14 ` [RFC PATCH v2 2/5] iommu/amd: Configure IRTE to use the GAPPI for posted interrupts Sairaj Kodilkar
2026-07-08 9:14 ` [RFC PATCH v2 3/5] kvm/svm: Introduce per-CPU lock and wakeup queue Sairaj Kodilkar
2026-07-08 13:36 ` Sean Christopherson [this message]
2026-07-08 9:14 ` [RFC PATCH v2 4/5] kvm/svm: Update the per-CPU wakeup-list during vCPU load and unload Sairaj Kodilkar
2026-07-08 13:38 ` Sean Christopherson
2026-07-08 9:14 ` [RFC PATCH v2 5/5] iommu/amd: Provide kernel command line option to enable GAPPI Sairaj Kodilkar
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