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KVM: x86: Push potential exception error code on task switches

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When a fault triggers a task switch, the error code, if existent, has to
be pushed on the new task's stack. Implement the missing bits.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Jan Kiszka
2010-04-14 15:51:09 +02:00
committed by Avi Kivity
parent 0760d44868
commit e269fb2189
7 changed files with 48 additions and 10 deletions
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arch/x86/include/asm/svm.h
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@@ -244,6 +244,7 @@ struct __attribute__ ((__packed__)) vmcb {
#define SVM_EXITINFOSHIFT_TS_REASON_IRET 36
#define SVM_EXITINFOSHIFT_TS_REASON_JMP 38
#define SVM_EXITINFOSHIFT_TS_HAS_ERROR_CODE 44
#define SVM_EXIT_READ_CR0 0x000
#define SVM_EXIT_READ_CR3 0x003