From: Feng (Eric) Liu <[EMAIL PROTECTED]>
To avoid breaking aio with qcow, remove SIGUSR2 from io_sigset, and
mask it in all vcpu's threads.
Signed-off-by: Feng (Eric) Liu <[EMAIL PROTECTED]>
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
diff --git a/qemu/qemu-kvm.c b/qemu/qemu-kvm.c
index fddbbd6..db05748 100644
--- a/qemu/qemu-kvm.c
+++ b/qemu/qemu-kvm.c
@@ -310,9 +310,10 @@ static void setup_kernel_sigmask(CPUState *env)
sigprocmask(SIG_BLOCK, NULL, &set);
sigdelset(&set, SIG_IPI);
- if (env->cpu_index == 0)
+ if (env->cpu_index == 0) {
+ sigaddset(&set, SIGUSR2);
sigandset(&set, &set, &io_negsigset);
-
+ }
kvm_set_signal_mask(kvm_context, env->cpu_index, &set);
}
@@ -391,7 +392,6 @@ int kvm_init_ap(void)
sigfillset(&io_negsigset);
kvm_add_signal(SIGIO);
kvm_add_signal(SIGALRM);
- kvm_add_signal(SIGUSR2);
if (!kvm_irqchip_in_kernel(kvm_context))
kvm_add_signal(SIG_IPI);
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