[Xen-devel] [PATCH] x86/ATS: remove unreferenced lock member from struct pci_ats_dev

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

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

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

--- 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);

x86-ats-no-lock.patch
Description: Text document

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