Re: [PATCH v1] intel_iommu: Expose SMPWC when SVM is enabled

ClĂ©ment MATHIEU--DRIF <[email protected]> Tue, 4 Aug 2026 11:09:44 +0000
Newsgroups gmane.comp.emulators.qemu
Message-ID <[email protected]>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==