tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fix from Radim Krčmář:
"Fix a regression that prevented migration between hosts with different
XSAVE features even if the missing features were not used by the guest
(for stable)"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: do not save guest-unsupported XSAVE state

Linus Torvalds 24bc5fe7 412e6d3f

+1
+1
arch/x86/kvm/x86.c
··· 3182 3182 memcpy(dest, xsave, XSAVE_HDR_OFFSET); 3183 3183 3184 3184 /* Set XSTATE_BV */ 3185 + xstate_bv &= vcpu->arch.guest_supported_xcr0 | XFEATURE_MASK_FPSSE; 3185 3186 *(u64 *)(dest + XSAVE_HDR_OFFSET) = xstate_bv; 3186 3187 3187 3188 /*