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| author | Juergen Gross <[email protected]> | 2018-02-26 14:08:18 +0000 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2018-02-28 15:03:19 +0000 |
| commit | 71c208dd54ab971036d83ff6d9837bae4976e623 (patch) | |
| tree | fb1583ab8e295eb344a60c17daf51a397dff9c63 /drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | |
| parent | KVM/VMX: Optimize vmx_vcpu_run() and svm_vcpu_run() by marking the RDMSR path... (diff) | |
| download | kernel-71c208dd54ab971036d83ff6d9837bae4976e623.tar.gz kernel-71c208dd54ab971036d83ff6d9837bae4976e623.zip | |
x86/xen: Zero MSR_IA32_SPEC_CTRL before suspend
Older Xen versions (4.5 and before) might have problems migrating pv
guests with MSR_IA32_SPEC_CTRL having a non-zero value. So before
suspending zero that MSR and restore it after being resumed.
Signed-off-by: Juergen Gross <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Jan Beulich <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c')
0 files changed, 0 insertions, 0 deletions