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target-i386: Add NMI interception to SVM 

Check for SVM interception prior to injecting an NMI. Tested via the
Jailhouse hypervisor.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Message-Id: <c65877e9a011ee4962931287e59f502c482b8d0b.1522769774.git.jan.kiszka@web.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Jan Kiszka 2018-04-03 17:36:11 +02:00 committed by Paolo Bonzini
parent fc051ae6c4
commit 02f7fd25a4
1 changed files with 1 additions and 0 deletions
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target/i386/seg_helper.c
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@ -1337,6 +1337,7 @@ bool x86_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
ret = true;
} else if ((interrupt_request & CPU_INTERRUPT_NMI) &&
!(env->hflags2 & HF2_NMI_MASK)) {
cpu_svm_check_intercept_param(env, SVM_EXIT_NMI, 0, 0);
cs->interrupt_request &= ~CPU_INTERRUPT_NMI;
env->hflags2 |= HF2_NMI_MASK;
do_interrupt_x86_hardirq(env, EXCP02_NMI, 1);