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[Qemu-devel] [PATCH v2 0/2] move qcow2_invalidate_cache() out of corouti
From: |
Denis V. Lunev |
Subject: |
[Qemu-devel] [PATCH v2 0/2] move qcow2_invalidate_cache() out of coroutine context |
Date: |
Fri, 12 Feb 2016 09:39:32 +0300 |
There is a possibility to hit an assert in qcow2_get_specific_info that
s->qcow_version is undefined. This happens when VM in starting from
suspended state, i.e. it processes incoming migration, and in the same
time 'info block' is called.
The problem is that qcow2_invalidate_cache() closes the image and
memset()s BDRVQcowState in the middle.
This operation should not be performed in coroutine context.
Changes from v1:
- fixed spelling. Eric, thank you for spell checking
Signed-off-by: Denis V. Lunev <address@hidden>
CC: Paolo Bonzini <address@hidden>
CC: Juan Quintela <address@hidden>
CC: Amit Shah <address@hidden>