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| author | Joerg Roedel <jroedel@suse.de> | 2020-09-07 15:16:10 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2020-09-09 11:33:20 +0200 |
| commit | 094794f59720d7e877a1eeb372ecedeed6b441ab (patch) | |
| tree | 90bf02f1584235a544dff87863dd9674398ba158 /arch/x86/kernel/dumpstack.c | |
| parent | 3ecacdbd23956a549d93023f86adc87b4a9d6520 (diff) | |
x86/sev-es: Support CPU offline/online
Add a play_dead handler when running under SEV-ES. This is needed
because the hypervisor can't deliver an SIPI request to restart the AP.
Instead, the kernel has to issue a VMGEXIT to halt the VCPU until the
hypervisor wakes it up again.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200907131613.12703-70-joro@8bytes.org
Diffstat (limited to 'arch/x86/kernel/dumpstack.c')
0 files changed, 0 insertions, 0 deletions