From: Avi Kivity <[EMAIL PROTECTED]>
This reverts commit 6bcdef5c1157bd7b526491252d20f8007ff2e9dc; causes a severe
I/O performance regression.
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
diff --git a/qemu/qemu-kvm.c b/qemu/qemu-kvm.c
index db05748..fddbbd6 100644
--- a/qemu/qemu-kvm.c
+++ b/qemu/qemu-kvm.c
@@ -310,10 +310,9 @@ static void setup_kernel_sigmask(CPUState *env)
sigprocmask(SIG_BLOCK, NULL, &set);
sigdelset(&set, SIG_IPI);
- if (env->cpu_index == 0) {
- sigaddset(&set, SIGUSR2);
+ if (env->cpu_index == 0)
sigandset(&set, &set, &io_negsigset);
- }
+
kvm_set_signal_mask(kvm_context, env->cpu_index, &set);
}
@@ -392,6 +391,7 @@ 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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