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authorPaolo Bonzini <pbonzini@redhat.com>2017-02-08 12:48:54 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2017-03-03 16:40:02 +0100
commit2ae41db262e02743b27719fe085e749d957613c0 (patch)
tree2f250d65d9a20985f56a574f7c5f4ee81e48437b /target/i386/kvm.c
parent4d39892cca86a9162beaa3944057d118ef42edcd (diff)
KVM: do not use sigtimedwait to catch SIGBUS
Call kvm_on_sigbus_vcpu asynchronously from the VCPU thread. Information for the SIGBUS can be stored in thread-local variables and processed later in kvm_cpu_exec. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target/i386/kvm.c')
-rw-r--r--target/i386/kvm.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/target/i386/kvm.c b/target/i386/kvm.c
index 2adf992c84..7698421ae7 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -455,7 +455,7 @@ static void hardware_memory_error(void)
exit(1);
}
-int kvm_arch_on_sigbus_vcpu(CPUState *c, int code, void *addr)
+void kvm_arch_on_sigbus_vcpu(CPUState *c, int code, void *addr)
{
X86CPU *cpu = X86_CPU(c);
CPUX86State *env = &cpu->env;
@@ -475,7 +475,7 @@ int kvm_arch_on_sigbus_vcpu(CPUState *c, int code, void *addr)
kvm_physical_memory_addr_from_host(c->kvm_state, addr, &paddr)) {
kvm_hwpoison_page_add(ram_addr);
kvm_mce_inject(cpu, paddr, code);
- return 0;
+ return;
}
fprintf(stderr, "Hardware memory error for memory used by "
@@ -487,7 +487,6 @@ int kvm_arch_on_sigbus_vcpu(CPUState *c, int code, void *addr)
}
/* Hope we are lucky for AO MCE */
- return 0;
}
static int kvm_inject_mce_oldstyle(X86CPU *cpu)