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| author | Paolo Bonzini <pbonzini@redhat.com> | 2015-05-05 11:50:23 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-06-04 16:17:46 +0200 |
| commit | 660a5d517aaab9187f93854425c4c63f4a09195c (patch) | |
| tree | c905809e6da8c3bb2896c7ea2dd12d9f206ab4e0 /arch/x86/kvm/trace.h | |
| parent | KVM: x86: latch INITs while in system management mode (diff) | |
| download | linux-660a5d517aaab9187f93854425c4c63f4a09195c.tar.xz linux-660a5d517aaab9187f93854425c4c63f4a09195c.zip | |
KVM: x86: save/load state on SMM switch
The big ugly one. This patch adds support for switching in and out of
system management mode, respectively upon receiving KVM_REQ_SMI and upon
executing a RSM instruction. Both 32- and 64-bit formats are supported
for the SMM state save area.
Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/trace.h')
| -rw-r--r-- | arch/x86/kvm/trace.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h index 7c7bc8bef21f..4eae7c35ddf5 100644 --- a/arch/x86/kvm/trace.h +++ b/arch/x86/kvm/trace.h @@ -952,6 +952,28 @@ TRACE_EVENT(kvm_wait_lapic_expire, __entry->delta < 0 ? "early" : "late") ); +TRACE_EVENT(kvm_enter_smm, + TP_PROTO(unsigned int vcpu_id, u64 smbase, bool entering), + TP_ARGS(vcpu_id, smbase, entering), + + TP_STRUCT__entry( + __field( unsigned int, vcpu_id ) + __field( u64, smbase ) + __field( bool, entering ) + ), + + TP_fast_assign( + __entry->vcpu_id = vcpu_id; + __entry->smbase = smbase; + __entry->entering = entering; + ), + + TP_printk("vcpu %u: %s SMM, smbase 0x%llx", + __entry->vcpu_id, + __entry->entering ? "entering" : "leaving", + __entry->smbase) +); + #endif /* _TRACE_KVM_H */ #undef TRACE_INCLUDE_PATH |