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| author | Sean Christopherson <sean.j.christopherson@intel.com> | 2019-01-25 07:40:52 -0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-02-12 13:12:15 +0100 |
| commit | f3689e3f17f064fd4cd5f0cb01ae2395c94f39d9 (patch) | |
| tree | 86cc193bbc1c501af728f2032f7a162de31edc1c /tools/perf/scripts/python/bin/stackcollapse-record | |
| parent | KVM: VMX: Modify only RSP when creating a placeholder for guest's RCX (diff) | |
| download | linux-f3689e3f17f064fd4cd5f0cb01ae2395c94f39d9.tar.gz linux-f3689e3f17f064fd4cd5f0cb01ae2395c94f39d9.zip | |
KVM: VMX: Save RSI to an unused output in the vCPU-run asm blob
RSI is clobbered by the vCPU-run asm blob, but it's not marked as such,
probably because GCC doesn't let you mark inputs as clobbered. "Save"
RSI to a dummy output so that GCC recognizes it as being clobbered.
Fixes: 773e8a0425c9 ("x86/kvm: use Enlightened VMCS when running on Hyper-V")
Reviewed-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-record')
0 files changed, 0 insertions, 0 deletions