vdpa: Avoid taking cf_mutex lock on get status
mainline inclusion from mainline-v5.17-rc1 commit f6d955d8 category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I5WXCZ CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f6d955d80830b6e6f6a170be68cc3628f36365dd ---------------------------------------------------------------------- Avoid the wrapper holding cf_mutex since it is not protecting anything. To avoid confusion and unnecessary overhead incurred by it, remove. Fixes: f489f27bc0ab ("vdpa: Sync calls set/get config/status with cf_mutex") Signed-off-by: NEli Cohen <elic@nvidia.com> Link: https://lore.kernel.org/r/20220111183400.38418-2-elic@nvidia.comSigned-off-by: NMichael S. Tsirkin <mst@redhat.com> Reviewed-by: Si-Wei Liu<si-wei.liu@oracle.com> Acked-by: NJason Wang <jasowang@redhat.com> Signed-off-by: NPengyuan Zhao <zhaopengyuan@hisilicon.com>
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