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| author | Peter Maydell <peter.maydell@linaro.org> | 2020-09-24 18:48:45 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2020-09-24 18:48:45 +0100 |
| commit | 8c1c07929feae876202ba26f07a540c5115c18cd (patch) | |
| tree | 20f6c8e2ac556bfb3c88a98c0d0cb2689de0263e /util/qemu-thread-posix.c | |
| parent | 1bd5556f6686365e76f7ff67fe67260c449e8345 (diff) | |
| parent | d73415a315471ac0b127ed3fad45c8ec5d711de1 (diff) | |
| download | focaccia-qemu-8c1c07929feae876202ba26f07a540c5115c18cd.tar.gz focaccia-qemu-8c1c07929feae876202ba26f07a540c5115c18cd.zip | |
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>
Diffstat (limited to 'util/qemu-thread-posix.c')
| -rw-r--r-- | util/qemu-thread-posix.c | 12 |
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; } } |