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temporary fix for on_vcpu 

Recent changes made on_vcpu hit the abort() path, even with the IO thread
disabled. This is because cpu_single_env is no longer set when we call this
function. Although the correct fix is a little bit more complicated that that,
the recent thread in which I proposed qemu_queue_work (which fixes that, btw),
is likely to go on a quite different direction.

So for the benefit of those using guest debugging, I'm proposing this simple
fix in the interim.

Signed-off-by: Glauber Costa <glommer@redhat.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Glauber Costa 2009-09-17 20:10:06 +02:00 committed by Anthony Liguori
parent b3807725f6
commit 828566bc33
1 changed files with 4 additions and 0 deletions
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4
kvm-all.c
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@ -905,11 +905,15 @@ void kvm_setup_guest_memory(void *start, size_t size)
#ifdef KVM_CAP_SET_GUEST_DEBUG #ifdef KVM_CAP_SET_GUEST_DEBUG
static void on_vcpu(CPUState *env, void (*func)(void *data), void *data) static void on_vcpu(CPUState *env, void (*func)(void *data), void *data)
{ {
#ifdef CONFIG_IOTHREAD
if (env == cpu_single_env) { if (env == cpu_single_env) {
func(data); func(data);
return; return;
} }
abort(); abort();
#else
func(data);
#endif
} }
struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *env, struct kvm_sw_breakpoint *kvm_find_sw_breakpoint(CPUState *env,