From: Fabiano Rosas <farosas@suse.de>
To: Prasad Pandit <ppandit@redhat.com>, qemu-devel@nongnu.org
Cc: peterx@redhat.com, berrange@redhat.com,
Prasad Pandit <pjp@fedoraproject.org>
Subject: Re: [PATCH v11 1/3] migration: write zero pages when postcopy enabled
Date: Mon, 12 May 2025 12:19:45 -0300 [thread overview]
Message-ID: <87zffheu0e.fsf@suse.de> (raw)
In-Reply-To: <20250512125124.147064-2-ppandit@redhat.com>
Prasad Pandit <ppandit@redhat.com> writes:
> From: Prasad Pandit <pjp@fedoraproject.org>
>
> During multifd migration, zero pages are written if
> they are migrated more than once.
>
> This may result in a migration thread hang issue when
> multifd and postcopy are enabled together.
>
> When postcopy is enabled, always write zero pages as and
> when they are migrated.
>
> Signed-off-by: Prasad Pandit <pjp@fedoraproject.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
next prev parent reply other threads:[~2025-05-12 15:20 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-12 12:51 [PATCH v11 0/3] Allow to enable multifd and postcopy migration together Prasad Pandit
2025-05-12 12:51 ` [PATCH v11 1/3] migration: write zero pages when postcopy enabled Prasad Pandit
2025-05-12 15:19 ` Fabiano Rosas [this message]
2025-05-12 12:51 ` [PATCH v11 2/3] migration: enable multifd and postcopy together Prasad Pandit
2025-05-12 12:51 ` [PATCH v11 3/3] tests/qtest/migration: add postcopy tests with multifd Prasad Pandit
2025-05-19 7:20 ` Prasad Pandit
2025-05-13 21:50 ` [PATCH v11 0/3] Allow to enable multifd and postcopy migration together Peter Xu
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