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sparc: Fix kernel BUG at arch/sparc/kernel/mdesc.c
authorThomas Tai <thomas.tai@oracle.com>
Fri, 6 Jan 2017 14:18:38 +0000 (06:18 -0800)
committerAllen Pais <allen.pais@oracle.com>
Tue, 6 Jun 2017 10:50:21 +0000 (16:20 +0530)
commitf54035fbff7a416cd4ab45a22e351694d3c001ed
tree73ec9b12f5f33d90b35638b41ef94ebd99074d15tree
parent7ebef2e9ff5dc4c29a105a7c9d9a73788f1c7e5bcommit | diff
sparc: Fix kernel BUG at arch/sparc/kernel/mdesc.c

When running ldoms reboot test for long hours, ldom guest panic with
kernel BUG at arch/sparc/kernel/mdesc.c:176! It is because the mdesc
size has changed, mdesc_update should retry the operation by decrement
refcnt before mdesc_free.

orabug 25359044

Signed-off-by: Thomas Tai <thomas.tai@oracle.com>
Reviewed-By: Liam Merwick <Liam.Merwick@oracle.com>
Signed-off-by: Allen Pais <allen.pais@oracle.com>
arch/sparc/kernel/mdesc.c diff | blob | history
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