Messages in this thread | | | Date | Wed, 30 Nov 2022 23:38:57 +0000 | From | Sean Christopherson <> | Subject | Re: [PATCH v4 4/4] x86/reboot: Disable SVM, not just VMX, when stopping CPUs |
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On Wed, Nov 30, 2022, Sean Christopherson wrote: > Disable SVM and more importantly force GIF=1 when halting a CPU or > rebooting the machine. Similar to VMX, SVM allows software to block > INITs via CLGI, and thus can be problematic for a crash/reboot. The > window for failure is smaller with SVM as INIT is only blocked while > GIF=0, i.e. between CLGI and STGI, but the window does exist. > > Fixes: fba4f472b33a ("x86/reboot: Turn off KVM when halting a CPU") > Cc: stable@vger.kernel
Argh, forgot the .org, and of course my scripts then failed to filter out the address.
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