aboutsummaryrefslogtreecommitdiff
path: root/cpus.c
diff options
context:
space:
mode:
authorPaolo Bonzini <pbonzini@redhat.com>2015-08-18 06:24:34 -0700
committerPaolo Bonzini <pbonzini@redhat.com>2015-09-09 15:34:53 +0200
commit9373e63297c43752f9cf085feb7f5aed57d959f8 (patch)
tree919c88a38aadb45780cdb143415011e39f63edc9 /cpus.c
parent5039d6e23586fe6bbedc5e4fe302b48a66890ade (diff)
downloadqemu-9373e63297c43752f9cf085feb7f5aed57d959f8.zip
qemu-9373e63297c43752f9cf085feb7f5aed57d959f8.tar.gz
qemu-9373e63297c43752f9cf085feb7f5aed57d959f8.tar.bz2
tcg: introduce tcg_current_cpu
This is already useful on Windows in order to remove tls.h, because accesses to current_cpu are done from a different thread on that platform. It will be used on POSIX platforms as soon TCG stops using signals to interrupt the execution of translated code. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'cpus.c')
-rw-r--r--cpus.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/cpus.c b/cpus.c
index e831aa3..6cebb7a 100644
--- a/cpus.c
+++ b/cpus.c
@@ -663,8 +663,9 @@ static void cpu_handle_guest_debug(CPUState *cpu)
static void cpu_signal(int sig)
{
- if (current_cpu) {
- cpu_exit(current_cpu);
+ CPUState *cpu = atomic_mb_read(&tcg_current_cpu);
+ if (cpu) {
+ cpu_exit(cpu);
}
exit_request = 1;
}