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| author | Alexander Bulekov <alxndr@bu.edu> | 2023-04-27 17:10:07 -0400 |
|---|---|---|
| committer | Thomas Huth <thuth@redhat.com> | 2023-04-28 11:31:07 +0200 |
| commit | 9c86c97f12c060bf7484dd931f38634e166a81f0 (patch) | |
| tree | b3e82f9abe80c39166b4880f0405b0785ba731a5 /util/trace-events | |
| parent | a2e1753b8054344f32cf94f31c6399a58794a380 (diff) | |
| download | qemu-9c86c97f12c060bf7484dd931f38634e166a81f0.zip qemu-9c86c97f12c060bf7484dd931f38634e166a81f0.tar.gz qemu-9c86c97f12c060bf7484dd931f38634e166a81f0.tar.bz2 | |
async: Add an optional reentrancy guard to the BH API
Devices can pass their MemoryReentrancyGuard (from their DeviceState),
when creating new BHes. Then, the async API will toggle the guard
before/after calling the BH call-back. This prevents bh->mmio reentrancy
issues.
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-Id: <20230427211013.2994127-3-alxndr@bu.edu>
[thuth: Fix "line over 90 characters" checkpatch.pl error]
Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'util/trace-events')
| -rw-r--r-- | util/trace-events | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/util/trace-events b/util/trace-events index 16f78d8..3f7e766 100644 --- a/util/trace-events +++ b/util/trace-events @@ -11,6 +11,7 @@ poll_remove(void *ctx, void *node, int fd) "ctx %p node %p fd %d" # async.c aio_co_schedule(void *ctx, void *co) "ctx %p co %p" aio_co_schedule_bh_cb(void *ctx, void *co) "ctx %p co %p" +reentrant_aio(void *ctx, const char *name) "ctx %p name %s" # thread-pool.c thread_pool_submit(void *pool, void *req, void *opaque) "pool %p req %p opaque %p" |