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xen-devel
[Xen-devel] [PATCH 18/20] x86/ticketlock: remove .slock
To: |
Peter Zijlstra <peterz@xxxxxxxxxxxxx> |
Subject: |
[Xen-devel] [PATCH 18/20] x86/ticketlock: remove .slock |
From: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
Date: |
Wed, 3 Nov 2010 10:59:59 -0400 |
Cc: |
Nick Piggin <npiggin@xxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Srivatsa Vaddagiri <vatsa@xxxxxxxxxxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxxxx>, Linux Virtualization <virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx>, Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>, Avi Kivity <avi@xxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx> |
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Wed, 03 Nov 2010 08:29:37 -0700 |
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www-data@xxxxxxxxxxxxxxxxxxx |
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<cover.1288794124.git.jeremy.fitzhardinge@xxxxxxxxxx> |
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<cover.1288794124.git.jeremy.fitzhardinge@xxxxxxxxxx> |
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From: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
---
arch/x86/include/asm/spinlock_types.h | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/arch/x86/include/asm/spinlock_types.h
b/arch/x86/include/asm/spinlock_types.h
index b396ed5..def8010 100644
--- a/arch/x86/include/asm/spinlock_types.h
+++ b/arch/x86/include/asm/spinlock_types.h
@@ -20,7 +20,6 @@ typedef u32 __ticketpair_t;
typedef struct arch_spinlock {
union {
- unsigned int slock;
__ticketpair_t ticketpair;
struct __raw_tickets {
__ticket_t head, tail;
@@ -31,7 +30,7 @@ typedef struct arch_spinlock {
#endif
} arch_spinlock_t;
-#define __ARCH_SPIN_LOCK_UNLOCKED { { .slock = 0 } }
+#define __ARCH_SPIN_LOCK_UNLOCKED { { .tickets = {0, 0} } }
typedef struct {
unsigned int lock;
--
1.7.2.3
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- [Xen-devel] [PATCH 05/20] x86/ticketlock: make __ticket_spin_lock common, (continued)
- [Xen-devel] [PATCH 05/20] x86/ticketlock: make __ticket_spin_lock common, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 10/20] x86/pvticketlock: keep count of blocked cpus, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 20/20] x86/ticketlock: rename ticketpair to head_tail, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 07/20] x86/spinlocks: replace pv spinlocks with pv ticketlocks, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 15/20] x86/ticketlock: prevent compiler reordering into locked region, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 13/20] x86/pvticketlock: make sure unlock is seen by everyone before checking waiters, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 02/20] x86/ticketlock: convert spin loop to C, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 19/20] x86/ticketlocks: use overlapping read to eliminate mb(), Jeremy Fitzhardinge
- [Xen-devel] [PATCH 18/20] x86/ticketlock: remove .slock,
Jeremy Fitzhardinge <=
- [Xen-devel] Re: [PATCH 00/20] x86: ticket lock rewrite and paravirtualization, H. Peter Anvin
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