diff options
| author | Juergen Gross <[email protected]> | 2018-02-26 15:08:18 +0100 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2018-02-28 16:03:19 +0100 |
| commit | 71c208dd54ab971036d83ff6d9837bae4976e623 (patch) | |
| tree | fb1583ab8e295eb344a60c17daf51a397dff9c63 /lib/test-string_helpers.c | |
| parent | 946fbbc13dce68902f64515b610eeb2a6c3d7a64 (diff) | |
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 'lib/test-string_helpers.c')
0 files changed, 0 insertions, 0 deletions