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Re: [Qemu-block] [Qemu-devel] [PATCH 03/10] aio: make ctx->list_lock a Q
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [Qemu-block] [Qemu-devel] [PATCH 03/10] aio: make ctx->list_lock a QemuLockCnt, subsuming ctx->walking_bh |
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Date: |
Wed, 30 Nov 2016 13:06:22 +0000 |
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User-agent: |
Mutt/1.7.1 (2016-10-04) |
On Tue, Nov 29, 2016 at 12:47:00PM +0100, Paolo Bonzini wrote:
> This will make it possible to walk the list of bottom halves without
> holding the AioContext lock---and in turn to call bottom half
> handlers without holding the lock.
>
> Signed-off-by: Paolo Bonzini <address@hidden>
> ---
> async.c | 35 ++++++++++++++++-------------------
> include/block/aio.h | 12 +++++-------
> 2 files changed, 21 insertions(+), 26 deletions(-)
Reviewed-by: Stefan Hajnoczi <address@hidden>
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- [Qemu-block] [PATCH for-2.9 00/10] aio_context_acquire/release pushdown, part 1, Paolo Bonzini, 2016/11/29
- [Qemu-block] [PATCH 01/10] aio: rename bh_lock to list_lock, Paolo Bonzini, 2016/11/29
- [Qemu-block] [PATCH 03/10] aio: make ctx->list_lock a QemuLockCnt, subsuming ctx->walking_bh, Paolo Bonzini, 2016/11/29
- Re: [Qemu-block] [Qemu-devel] [PATCH 03/10] aio: make ctx->list_lock a QemuLockCnt, subsuming ctx->walking_bh,
Stefan Hajnoczi <=
- [Qemu-block] [PATCH 02/10] qemu-thread: introduce QemuLockCnt, Paolo Bonzini, 2016/11/29
- [Qemu-block] [PATCH 08/10] aio: document locking, Paolo Bonzini, 2016/11/29
- [Qemu-block] [PATCH 09/10] aio: push aio_context_acquire/release down to dispatching, Paolo Bonzini, 2016/11/29
- [Qemu-block] [PATCH 05/10] aio: tweak walking in dispatch phase, Paolo Bonzini, 2016/11/29
- [Qemu-block] [PATCH 10/10] async: optimize aio_bh_poll, Paolo Bonzini, 2016/11/29