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[Xen-changelog] [xen-unstable] x86/ATS: remove unreferenced lock member

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Subject: [Xen-changelog] [xen-unstable] x86/ATS: remove unreferenced lock member from struct pci_ats_dev
From: Xen patchbot-unstable <patchbot@xxxxxxx>
Date: Wed, 30 Mar 2011 21:50:14 +0100
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# HG changeset patch
# User Jan Beulich <jbeulich@xxxxxxxxxx>
# Date 1301131838 0
# Node ID 8f001d864fefac689b7662bc9979eaddf4fd6e9c
# Parent  dd386a4b6595e1ee63acb7220f8884b7a8532b99
x86/ATS: remove unreferenced lock member from struct pci_ats_dev

Otherwise this may give the false impression that some explicit
locking is done in this code.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>

diff -r dd386a4b6595 -r 8f001d864fef xen/drivers/passthrough/vtd/x86/ats.c
--- a/xen/drivers/passthrough/vtd/x86/ats.c     Sat Mar 26 09:30:04 2011 +0000
+++ b/xen/drivers/passthrough/vtd/x86/ats.c     Sat Mar 26 09:30:38 2011 +0000
@@ -40,7 +40,6 @@
     u8 bus;
     u8 devfn;
     u16 ats_queue_depth;    /* ATS device invalidation queue depth */
-    spinlock_t lock;
 static LIST_HEAD(ats_devices);

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