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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-08-13 17:53:35 +0200
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-09-09 18:06:24 +0200
commit6055aaf87dc835ffdb238f6098110d36b40e3ad3 (patch)
tree3e232a3660fbea1327d61098fe911c894d858bef /arch
parentxen/spinlock: Fix locking path engaging too soon under PVHVM. (diff)
downloadlinux-6055aaf87dc835ffdb238f6098110d36b40e3ad3.tar.xz
linux-6055aaf87dc835ffdb238f6098110d36b40e3ad3.zip
xen/spinlock: We don't need the old structure anymore
As we are using the generic ticketlock structs and these old structures are not needed anymore. Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/xen/spinlock.c18
1 files changed, 0 insertions, 18 deletions
diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c
index 0438b9324a72..71db82ce08c6 100644
--- a/arch/x86/xen/spinlock.c
+++ b/arch/x86/xen/spinlock.c
@@ -81,7 +81,6 @@ static inline void spin_time_accum_blocked(u64 start)
spinlock_stats.time_blocked += delta;
}
#else /* !CONFIG_XEN_DEBUG_FS */
-#define TIMEOUT (1 << 10)
static inline void add_stats(enum xen_contention_stat var, u32 val)
{
}
@@ -96,23 +95,6 @@ static inline void spin_time_accum_blocked(u64 start)
}
#endif /* CONFIG_XEN_DEBUG_FS */
-/*
- * Size struct xen_spinlock so it's the same as arch_spinlock_t.
- */
-#if NR_CPUS < 256
-typedef u8 xen_spinners_t;
-# define inc_spinners(xl) \
- asm(LOCK_PREFIX " incb %0" : "+m" ((xl)->spinners) : : "memory");
-# define dec_spinners(xl) \
- asm(LOCK_PREFIX " decb %0" : "+m" ((xl)->spinners) : : "memory");
-#else
-typedef u16 xen_spinners_t;
-# define inc_spinners(xl) \
- asm(LOCK_PREFIX " incw %0" : "+m" ((xl)->spinners) : : "memory");
-# define dec_spinners(xl) \
- asm(LOCK_PREFIX " decw %0" : "+m" ((xl)->spinners) : : "memory");
-#endif
-
struct xen_lock_waiting {
struct arch_spinlock *lock;
__ticket_t want;