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| author | Paolo Bonzini <pbonzini@redhat.com> | 2013-05-13 13:29:47 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2013-07-04 17:42:49 +0200 |
| commit | 5444e768ee1abe6e021bece19a9a932351f88c88 (patch) | |
| tree | 944d3e69c83659ecd706ca2d24023d9c9c2a82c7 /hw/display | |
| parent | 22fc860b0a0b689eacf4a01f5aa2ccbf36043a12 (diff) | |
| download | qemu-5444e768ee1abe6e021bece19a9a932351f88c88.zip qemu-5444e768ee1abe6e021bece19a9a932351f88c88.tar.gz qemu-5444e768ee1abe6e021bece19a9a932351f88c88.tar.bz2 | |
add a header file for atomic operations
We're already using them in several places, but __sync builtins are just
too ugly to type, and do not provide seqcst load/store operations.
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/display')
| -rw-r--r-- | hw/display/qxl.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/hw/display/qxl.c b/hw/display/qxl.c index 3862d7a..ddefa06 100644 --- a/hw/display/qxl.c +++ b/hw/display/qxl.c @@ -23,6 +23,7 @@ #include "qemu-common.h" #include "qemu/timer.h" #include "qemu/queue.h" +#include "qemu/atomic.h" #include "monitor/monitor.h" #include "sysemu/sysemu.h" #include "trace.h" @@ -1726,7 +1727,7 @@ static void qxl_send_events(PCIQXLDevice *d, uint32_t events) trace_qxl_send_events_vm_stopped(d->id, events); return; } - old_pending = __sync_fetch_and_or(&d->ram->int_pending, le_events); + old_pending = atomic_fetch_or(&d->ram->int_pending, le_events); if ((old_pending & le_events) == le_events) { return; } |