diff mbox series

[v3,06/12] cpus: check cpu->running in cpu_get_icount_raw()

Message ID 20170407154221.26918-7-alex.bennee@linaro.org
State Superseded
Headers show
Series icount and misc MTTCG fixes for 2.9-rc4 | expand

Commit Message

Alex Bennée April 7, 2017, 3:42 p.m. UTC 
The lifetime of current_cpu is now the lifetime of the vCPU thread.
However get_icount_raw() can apply a fudge factor if called while code
is running to take into account the current executed instruction
count.

To ensure this is always the case we also check cpu->running.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

Reviewed-by: Richard Henderson <rth@twiddle.net>

---
 cpus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
2.11.0
diff mbox series

Patch

diff --git a/cpus.c b/cpus.c
index 4e48b9c4ad..18b1746770 100644
--- a/cpus.c
+++ b/cpus.c
@@ -229,7 +229,7 @@  int64_t cpu_get_icount_raw(void)
     CPUState *cpu = current_cpu;
 
     icount = timers_state.qemu_icount;
-    if (cpu) {
+    if (cpu && cpu->running) {
         if (!cpu->can_do_io) {
             fprintf(stderr, "Bad icount read\n");
             exit(1);