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Merge remote-tracking branch 'origin/master' into HEAD

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Resolve conflicts around apb.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2018-01-11 22:01:17 +02:00
commit acc95bc850
579 changed files with 67167 additions and 9215 deletions
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7
docs/devel/multiple-iothreads.txt
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@ -1,4 +1,4 @@
Copyright (c) 2014 Red Hat Inc.
Copyright (c) 2014-2017 Red Hat Inc.
This work is licensed under the terms of the GNU GPL, version 2 or later. See
the COPYING file in the top-level directory.
@ -92,8 +92,9 @@ aio_context_acquire()/aio_context_release() for mutual exclusion. Once the
context is acquired no other thread can access it or run event loop iterations
in this AioContext.
aio_context_acquire()/aio_context_release() calls may be nested. This
means you can call them if you're not sure whether #2 applies.
Legacy code sometimes nests aio_context_acquire()/aio_context_release() calls.
Do not use nesting anymore, it is incompatible with the BDRV_POLL_WHILE() macro
used in the block layer and can lead to hangs.
There is currently no lock ordering rule if a thread needs to acquire multiple
AioContexts simultaneously. Therefore, it is only safe for code holding the

2
docs/devel/qapi-code-gen.txt
View file

@ -63,7 +63,7 @@ Comment text starting with '=' is a section title:
Double the '=' for a subsection title:
# == Subection title
# == Subsection title
'|' denotes examples: