From: Jan Beulich <jbeulich@novell.com>
Date: Sat, 26 Mar 2011 09:30:38 +0000 (+0000)
Subject: x86/ATS: remove unreferenced lock member from struct pci_ats_dev
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=a3bb65086b8bebd7f7d3c5f7bbb8885647850cf5;p=xen.git

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@novell.com>
---

diff --git a/xen/drivers/passthrough/vtd/x86/ats.c b/xen/drivers/passthrough/vtd/x86/ats.c
index 8a48696727..de7dab46ee 100644
--- a/xen/drivers/passthrough/vtd/x86/ats.c
+++ b/xen/drivers/passthrough/vtd/x86/ats.c
@@ -40,7 +40,6 @@ struct pci_ats_dev {
     u8 bus;
     u8 devfn;
     u16 ats_queue_depth;    /* ATS device invalidation queue depth */
-    spinlock_t lock;
 };
 static LIST_HEAD(ats_devices);