From: Paolo Bonzini <pbonzini@redhat.com>
To: Emanuele Giuseppe Esposito <eesposit@redhat.com>,
Stefan Hajnoczi <stefanha@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>, Fam Zheng <fam@euphon.net>,
Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>,
qemu-block@nongnu.org, qemu-devel@nongnu.org,
Hanna Reitz <hreitz@redhat.com>, John Snow <jsnow@redhat.com>
Subject: Re: [PATCH 01/12] introduce BDRV_POLL_WHILE_UNLOCKED
Date: Fri, 4 Feb 2022 13:13:32 +0100 [thread overview]
Message-ID: <78359dcd-7edc-8238-47ba-3ac2e9a86757@redhat.com> (raw)
In-Reply-To: <6aa2ea07-2b04-89bb-b170-1319c90d4181@redhat.com>
On 2/3/22 14:57, Emanuele Giuseppe Esposito wrote:
> * This function avoids taking the AioContext lock unnecessarly, so use
> * it only when sure that the lock is not taken already, otherwise it
> * might cause deadlocks.
"so use" should be "but use". :)
Paolo
> *
> * @cond must be thread-safe.
> */
next prev parent reply other threads:[~2022-02-04 12:24 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-18 16:27 [PATCH 00/12] Removal of Aiocontext lock through drains: protect bdrv_replace_child_noperm Emanuele Giuseppe Esposito
2022-01-18 16:27 ` [PATCH 01/12] introduce BDRV_POLL_WHILE_UNLOCKED Emanuele Giuseppe Esposito
2022-01-26 10:49 ` Stefan Hajnoczi
2022-02-03 13:57 ` Emanuele Giuseppe Esposito
2022-02-04 12:13 ` Paolo Bonzini [this message]
2022-01-18 16:27 ` [PATCH 02/12] block/io.c: make bdrv_do_drained_begin_quiesce static and introduce bdrv_drained_begin_no_poll Emanuele Giuseppe Esposito
2022-01-19 9:11 ` Paolo Bonzini
2022-01-18 16:27 ` [PATCH 03/12] block.c: bdrv_replace_child_noperm: first remove the child, and then call ->detach() Emanuele Giuseppe Esposito
2022-01-18 16:27 ` [PATCH 04/12] block.c: bdrv_replace_child_noperm: first call ->attach(), and then add child Emanuele Giuseppe Esposito
2022-01-18 16:27 ` [PATCH 05/12] test-bdrv-drain.c: adapt test to the coming subtree drains Emanuele Giuseppe Esposito
2022-01-19 9:18 ` Paolo Bonzini
2022-02-03 11:41 ` Emanuele Giuseppe Esposito
2022-01-18 16:27 ` [PATCH 06/12] test-bdrv-drain.c: remove test_detach_by_parent_cb() Emanuele Giuseppe Esposito
2022-01-18 16:27 ` [PATCH 07/12] block/io.c: introduce bdrv_subtree_drained_{begin/end}_unlocked Emanuele Giuseppe Esposito
2022-01-19 9:52 ` Paolo Bonzini
2022-01-26 11:04 ` Stefan Hajnoczi
2022-01-18 16:27 ` [PATCH 08/12] reopen: add a transaction to drain_end nodes picked in bdrv_reopen_parse_file_or_backing Emanuele Giuseppe Esposito
2022-01-19 9:33 ` Paolo Bonzini
2022-01-26 11:16 ` Stefan Hajnoczi
2022-01-18 16:27 ` [PATCH 09/12] jobs: ensure sleep in job_sleep_ns is fully performed Emanuele Giuseppe Esposito
2022-01-26 11:21 ` Stefan Hajnoczi
2022-02-03 14:21 ` Emanuele Giuseppe Esposito
2022-01-18 16:27 ` [PATCH 10/12] block.c: add subtree_drains where needed Emanuele Giuseppe Esposito
2022-01-19 9:47 ` Paolo Bonzini
2022-02-03 13:13 ` Emanuele Giuseppe Esposito
2022-02-01 14:47 ` Vladimir Sementsov-Ogievskiy
2022-02-02 15:37 ` Emanuele Giuseppe Esposito
2022-02-02 17:38 ` Paolo Bonzini
2022-02-03 10:09 ` Emanuele Giuseppe Esposito
2022-02-04 9:49 ` Vladimir Sementsov-Ogievskiy
2022-02-04 13:30 ` Emanuele Giuseppe Esposito
2022-02-04 14:03 ` Vladimir Sementsov-Ogievskiy
2022-01-18 16:27 ` [PATCH 11/12] block/io.c: fully enable assert_bdrv_graph_writable Emanuele Giuseppe Esposito
2022-01-18 16:27 ` [PATCH 12/12] block.c: additional assert qemu in main tread Emanuele Giuseppe Esposito
2022-01-19 9:51 ` [PATCH 00/12] Removal of Aiocontext lock through drains: protect bdrv_replace_child_noperm Paolo Bonzini
2022-01-26 11:29 ` Stefan Hajnoczi
2022-01-27 13:46 ` Paolo Bonzini
2022-01-28 12:20 ` Emanuele Giuseppe Esposito
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