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Re: [PATCH v2 0/3] migration: Fixes to the 'background-snapshot' code


From: Andrey Gruzdev
Subject: Re: [PATCH v2 0/3] migration: Fixes to the 'background-snapshot' code
Date: Wed, 31 Mar 2021 20:21:32 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.3.2

On 31.03.2021 19:02, Peter Xu wrote:
On Wed, Mar 31, 2021 at 06:48:06PM +0300, Andrey Gruzdev wrote:
Changes v1->v2:
 * Added comment over the overlooked qemu_flush() in bg_migration_thread

Changes v0->v1:
 * Using qemu_real_host_page_size instead of TARGET_PAGE_SIZE for host
   page size in ram_block_populate_pages()
 * More elegant implementation of ram_block_populate_pages()

This patch series contains:
 * Fix to the issue with occasionally truncated non-iterable device state
 * Solution to compatibility issues with virtio-balloon device
 * Fix to the issue when discarded or never populated pages miss UFFD
   write protection and get into migration stream in dirty state

Andrey Gruzdev (3):
  migration: Fix missing qemu_fflush() on buffer file in
    bg_migration_thread
  migration: Inhibit virtio-balloon for the duration of background
    snapshot
  migration: Pre-fault memory before starting background snasphot
Should this be 6.0-rc material, maybe?

Ah, yes)

-- 
Andrey Gruzdev, Principal Engineer
Virtuozzo GmbH  +7-903-247-6397
                virtuzzo.com

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