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| author | Huaitong Han <huaitong.han@intel.com> | 2016-01-12 16:04:20 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-01-31 11:28:54 -0800 |
| commit | e24ed5519f61b7a5f4d660f1e0c4cabd6cf499fc (patch) | |
| tree | c9b38668521e55d64a104fcdaab49f5c9f46c3c1 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 25d53807a70375b9e56636f683383bc4e9df4640 (diff) | |
kvm: x86: Fix vmwrite to SECONDARY_VM_EXEC_CONTROL
commit 45bdbcfdf241149642fb6c25ab0c209d59c371b7 upstream.
vmx_cpuid_tries to update SECONDARY_VM_EXEC_CONTROL in the VMCS, but
it will cause a vmwrite error on older CPUs because the code does not
check for the presence of CPU_BASED_ACTIVATE_SECONDARY_CONTROLS.
This will get rid of the following trace on e.g. Core2 6600:
vmwrite error: reg 401e value 10 (err 12)
Call Trace:
[<ffffffff8116e2b9>] dump_stack+0x40/0x57
[<ffffffffa020b88d>] vmx_cpuid_update+0x5d/0x150 [kvm_intel]
[<ffffffffa01d8fdc>] kvm_vcpu_ioctl_set_cpuid2+0x4c/0x70 [kvm]
[<ffffffffa01b8363>] kvm_arch_vcpu_ioctl+0x903/0xfa0 [kvm]
Fixes: feda805fe7c4ed9cf78158e73b1218752e3b4314
Reported-by: Zdenek Kaspar <zkaspar82@gmail.com>
Signed-off-by: Huaitong Han <huaitong.han@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions