[Xen-changelog] [xen master] passthrough/amd: Drop unnecessary lock lookup.

[patchbot@xxxxxxx]

commit 554ded9d9f50c01ae05415b575a6b172c4023279
Author:     Tim Deegan <tim@xxxxxxx>
AuthorDate: Thu Sep 12 11:45:13 2013 +0100
Commit:     Tim Deegan <tim@xxxxxxx>
CommitDate: Tue Sep 17 16:36:08 2013 +0100

    passthrough/amd: Drop unnecessary lock lookup.
    
    The lock's not used for anything, and AFAICT no locking is needed
    since the IVRS tables are static after boot.
    
    Coverity CID 1087199
    
    Signed-off-by: Tim Deegan <tim@xxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>
---
 xen/drivers/passthrough/amd/iommu_intr.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/xen/drivers/passthrough/amd/iommu_intr.c 
b/xen/drivers/passthrough/amd/iommu_intr.c
index 831f92a..213f4d7 100644
--- a/xen/drivers/passthrough/amd/iommu_intr.c
+++ b/xen/drivers/passthrough/amd/iommu_intr.c
@@ -443,7 +443,6 @@ static int update_intremap_entry_from_msi_msg(
      * devices.
      */
 
-    lock = get_intremap_lock(iommu->seg, alias_id);
     if ( ( req_id != alias_id ) &&
          get_ivrs_mappings(iommu->seg)[alias_id].intremap_table != NULL )
     {
--
generated by git-patchbot for /home/xen/git/xen.git#master

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