From: Juan Quintela <quintela@redhat.com>
To: Peter Xu <peterx@redhat.com>
Cc: Leonardo Bras Soares Passos <lsoaresp@redhat.com>,
qemu-devel@nongnu.org,
"Dr . David Alan Gilbert" <dgilbert@redhat.com>
Subject: Re: [PATCH RFC 04/15] migration: Add postcopy_has_request()
Date: Thu, 27 Jan 2022 10:41:10 +0100 [thread overview]
Message-ID: <87pmodldmx.fsf@secure.mitica> (raw)
In-Reply-To: <20220119080929.39485-5-peterx@redhat.com> (Peter Xu's message of "Wed, 19 Jan 2022 16:09:18 +0800")
Peter Xu <peterx@redhat.com> wrote:
> Add a helper to detect whether postcopy has pending request.
>
> Since at it, cleanup the code a bit, e.g. in unqueue_page() we shouldn't need
> to check it again on queue empty because we're the only one (besides cleanup
> code, which should never run during this process) that will take a request off
> the list, so the request list can only grow but not shrink under the hood.
>
> Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
queued
next prev parent reply other threads:[~2022-01-27 9:42 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-19 8:09 [PATCH RFC 00/15] migration: Postcopy Preemption Peter Xu
2022-01-19 8:09 ` [PATCH RFC 01/15] migration: No off-by-one for pss->page update in host page size Peter Xu
2022-01-19 12:58 ` Dr. David Alan Gilbert
2022-01-27 9:40 ` Juan Quintela
2022-01-19 8:09 ` [PATCH RFC 02/15] migration: Allow pss->page jump over clean pages Peter Xu
2022-01-19 13:42 ` Dr. David Alan Gilbert
2022-01-20 2:12 ` Peter Xu
2022-02-03 18:19 ` Dr. David Alan Gilbert
2022-02-08 3:20 ` Peter Xu
2022-01-19 8:09 ` [PATCH RFC 03/15] migration: Enable UFFD_FEATURE_THREAD_ID even without blocktime feat Peter Xu
2022-01-19 14:15 ` Dr. David Alan Gilbert
2022-01-27 9:40 ` Juan Quintela
2022-01-19 8:09 ` [PATCH RFC 04/15] migration: Add postcopy_has_request() Peter Xu
2022-01-19 14:27 ` Dr. David Alan Gilbert
2022-01-27 9:41 ` Juan Quintela [this message]
2022-01-19 8:09 ` [PATCH RFC 05/15] migration: Simplify unqueue_page() Peter Xu
2022-01-19 16:36 ` Dr. David Alan Gilbert
2022-01-20 2:23 ` Peter Xu
2022-01-25 11:01 ` Dr. David Alan Gilbert
2022-01-27 9:41 ` Juan Quintela
2022-01-19 8:09 ` [PATCH RFC 06/15] migration: Move temp page setup and cleanup into separate functions Peter Xu
2022-01-19 16:58 ` Dr. David Alan Gilbert
2022-01-27 9:43 ` Juan Quintela
2022-01-19 8:09 ` [PATCH RFC 07/15] migration: Introduce postcopy channels on dest node Peter Xu
2022-02-03 15:08 ` Dr. David Alan Gilbert
2022-02-08 3:27 ` Peter Xu
2022-02-08 9:43 ` Dr. David Alan Gilbert
2022-02-08 10:07 ` Peter Xu
2022-01-19 8:09 ` [PATCH RFC 08/15] migration: Dump ramblock and offset too when non-same-page detected Peter Xu
2022-02-03 15:15 ` Dr. David Alan Gilbert
2022-01-19 8:09 ` [PATCH RFC 09/15] migration: Add postcopy_thread_create() Peter Xu
2022-02-03 15:19 ` Dr. David Alan Gilbert
2022-02-08 3:37 ` Peter Xu
2022-02-08 11:16 ` Dr. David Alan Gilbert
2022-01-19 8:09 ` [PATCH RFC 10/15] migration: Move static var in ram_block_from_stream() into global Peter Xu
2022-02-03 17:48 ` Dr. David Alan Gilbert
2022-02-08 3:51 ` Peter Xu
2022-01-19 8:09 ` [PATCH RFC 11/15] migration: Add pss.postcopy_requested status Peter Xu
2022-02-03 15:42 ` Dr. David Alan Gilbert
2022-01-19 8:09 ` [PATCH RFC 12/15] migration: Move migrate_allow_multifd and helpers into migration.c Peter Xu
2022-02-03 15:44 ` Dr. David Alan Gilbert
2022-01-19 8:09 ` [PATCH RFC 13/15] migration: Add postcopy-preempt capability Peter Xu
2022-02-03 15:46 ` Dr. David Alan Gilbert
2022-01-19 8:09 ` [PATCH RFC 14/15] migration: Postcopy preemption on separate channel Peter Xu
2022-02-03 17:45 ` Dr. David Alan Gilbert
2022-02-08 4:22 ` Peter Xu
2022-02-08 11:24 ` Dr. David Alan Gilbert
2022-02-08 11:39 ` Peter Xu
2022-02-08 13:23 ` Dr. David Alan Gilbert
2022-02-09 2:16 ` Peter Xu
2022-01-19 8:09 ` [PATCH RFC 15/15] tests: Add postcopy preempt test Peter Xu
2022-02-03 15:53 ` Dr. David Alan Gilbert
2022-01-19 12:32 ` [PATCH RFC 00/15] migration: Postcopy Preemption Dr. David Alan Gilbert
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