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[Qemu-commits] [qemu/qemu] f5022a: aio: fix aio_ctx_prepare with idle bo
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[Qemu-commits] [qemu/qemu] f5022a: aio: fix aio_ctx_prepare with idle bottom halves |
Date: |
Mon, 12 Nov 2012 08:30:08 -0800 |
Branch: refs/heads/master
Home: https://github.com/qemu/qemu
Commit: f5022a135e4309a54d433c69b2a056756b2d0d6b
https://github.com/qemu/qemu/commit/f5022a135e4309a54d433c69b2a056756b2d0d6b
Author: Paolo Bonzini <address@hidden>
Date: 2012-11-12 (Mon, 12 Nov 2012)
Changed paths:
M async.c
Log Message:
-----------
aio: fix aio_ctx_prepare with idle bottom halves
Commit ed2aec4867f0d5f5de496bb765347b5d0cfe113d changed the return
value of aio_ctx_prepare from false to true when only idle bottom
halves are available. This broke PC old-style DMA, which uses them.
Fix this by making aio_ctx_prepare return true only when non-idle
bottom halves are scheduled to run.
Reported-by: malc <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
Signed-off-by: malc <address@hidden>
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