Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

Pull request

This includes the atomic_ -> qatomic_ rename that touches many files and is
prone to conflicts.

# gpg: Signature made Wed 23 Sep 2020 17:08:43 BST
# gpg:                using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full]
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>" [full]
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha/tags/block-pull-request:
  qemu/atomic.h: rename atomic_ to qatomic_
  tests: add test-fdmon-epoll
  fdmon-poll: reset npfd when upgrading to fdmon-epoll
  gitmodules: add qemu.org vbootrom submodule
  gitmodules: switch to qemu.org meson mirror
  gitmodules: switch to qemu.org qboot mirror
  docs/system: clarify deprecation schedule
  virtio-crypto: don't modify elem->in/out_sg
  virtio-blk: undo destructive iov_discard_*() operations
  util/iov: add iov_discard_undo()
  virtio: add vhost-user-fs-ccw device
  libvhost-user: handle endianness as mandated by the spec
  MAINTAINERS: add Stefan Hajnoczi as block/nvme.c maintainer

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 6 insertions, 6 deletions

diff --git a/util/qemu-thread-posix.c b/util/qemu-thread-posix.c
index b4c2359272..dcff5e7c5d 100644
--- a/util/qemu-thread-posix.c
+++ b/util/qemu-thread-posix.c
@@ -414,8 +414,8 @@ void qemu_event_set(QemuEvent *ev)
      */
     assert(ev->initialized);
     smp_mb();
-    if (atomic_read(&ev->value) != EV_SET) {
-        if (atomic_xchg(&ev->value, EV_SET) == EV_BUSY) {
+    if (qatomic_read(&ev->value) != EV_SET) {
+        if (qatomic_xchg(&ev->value, EV_SET) == EV_BUSY) {
             /* There were waiters, wake them up.  */
             qemu_futex_wake(ev, INT_MAX);
         }
@@ -427,14 +427,14 @@ void qemu_event_reset(QemuEvent *ev)
     unsigned value;
 
     assert(ev->initialized);
-    value = atomic_read(&ev->value);
+    value = qatomic_read(&ev->value);
     smp_mb_acquire();
     if (value == EV_SET) {
         /*
          * If there was a concurrent reset (or even reset+wait),
          * do nothing.  Otherwise change EV_SET->EV_FREE.
          */
-        atomic_or(&ev->value, EV_FREE);
+        qatomic_or(&ev->value, EV_FREE);
     }
 }
 
@@ -443,7 +443,7 @@ void qemu_event_wait(QemuEvent *ev)
     unsigned value;
 
     assert(ev->initialized);
-    value = atomic_read(&ev->value);
+    value = qatomic_read(&ev->value);
     smp_mb_acquire();
     if (value != EV_SET) {
         if (value == EV_FREE) {
@@ -453,7 +453,7 @@ void qemu_event_wait(QemuEvent *ev)
              * a concurrent busy->free transition.  After the CAS, the
              * event will be either set or busy.
              */
-            if (atomic_cmpxchg(&ev->value, EV_FREE, EV_BUSY) == EV_SET) {
+            if (qatomic_cmpxchg(&ev->value, EV_FREE, EV_BUSY) == EV_SET) {
                 return;
             }
         }