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authorThomas Gleixner <tglx@linutronix.de>2009-12-02 19:49:50 +0100
committerThomas Gleixner <tglx@linutronix.de>2009-12-14 23:55:32 +0100
commit445c89514be242b1b0080056d50bdc1b72adeb5c (patch)
tree96ed062794ad0fb6a649713c83f009eea382e8b2 /arch/x86
parent6b6b4792f89346e47437682c7ba3438e6681c0f9 (diff)
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locking: Convert raw_spinlock to arch_spinlock
The raw_spin* namespace was taken by lockdep for the architecture specific implementations. raw_spin_* would be the ideal name space for the spinlocks which are not converted to sleeping locks in preempt-rt. Linus suggested to convert the raw_ to arch_ locks and cleanup the name space instead of using an artifical name like core_spin, atomic_spin or whatever No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: linux-arch@vger.kernel.org
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/include/asm/paravirt.h12
-rw-r--r--arch/x86/include/asm/paravirt_types.h14
-rw-r--r--arch/x86/include/asm/spinlock.h30
-rw-r--r--arch/x86/include/asm/spinlock_types.h4
-rw-r--r--arch/x86/kernel/dumpstack.c2
-rw-r--r--arch/x86/kernel/paravirt-spinlocks.c2
-rw-r--r--arch/x86/kernel/tsc_sync.c2
-rw-r--r--arch/x86/xen/spinlock.c16
8 files changed, 41 insertions, 41 deletions
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index efb3899..5655f75 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -731,34 +731,34 @@ static inline void __set_fixmap(unsigned /* enum fixed_addresses */ idx,
#if defined(CONFIG_SMP) && defined(CONFIG_PARAVIRT_SPINLOCKS)
-static inline int __raw_spin_is_locked(struct raw_spinlock *lock)
+static inline int __raw_spin_is_locked(struct arch_spinlock *lock)
{
return PVOP_CALL1(int, pv_lock_ops.spin_is_locked, lock);
}
-static inline int __raw_spin_is_contended(struct raw_spinlock *lock)
+static inline int __raw_spin_is_contended(struct arch_spinlock *lock)
{
return PVOP_CALL1(int, pv_lock_ops.spin_is_contended, lock);
}
#define __raw_spin_is_contended __raw_spin_is_contended
-static __always_inline void __raw_spin_lock(struct raw_spinlock *lock)
+static __always_inline void __raw_spin_lock(struct arch_spinlock *lock)
{
PVOP_VCALL1(pv_lock_ops.spin_lock, lock);
}
-static __always_inline void __raw_spin_lock_flags(struct raw_spinlock *lock,
+static __always_inline void __raw_spin_lock_flags(struct arch_spinlock *lock,
unsigned long flags)
{
PVOP_VCALL2(pv_lock_ops.spin_lock_flags, lock, flags);
}
-static __always_inline int __raw_spin_trylock(struct raw_spinlock *lock)
+static __always_inline int __raw_spin_trylock(struct arch_spinlock *lock)
{
return PVOP_CALL1(int, pv_lock_ops.spin_trylock, lock);
}
-static __always_inline void __raw_spin_unlock(struct raw_spinlock *lock)
+static __always_inline void __raw_spin_unlock(struct arch_spinlock *lock)
{
PVOP_VCALL1(pv_lock_ops.spin_unlock, lock);
}
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index 9357473..b1e70d5 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -318,14 +318,14 @@ struct pv_mmu_ops {
phys_addr_t phys, pgprot_t flags);
};
-struct raw_spinlock;
+struct arch_spinlock;
struct pv_lock_ops {
- int (*spin_is_locked)(struct raw_spinlock *lock);
- int (*spin_is_contended)(struct raw_spinlock *lock);
- void (*spin_lock)(struct raw_spinlock *lock);
- void (*spin_lock_flags)(struct raw_spinlock *lock, unsigned long flags);
- int (*spin_trylock)(struct raw_spinlock *lock);
- void (*spin_unlock)(struct raw_spinlock *lock);
+ int (*spin_is_locked)(struct arch_spinlock *lock);
+ int (*spin_is_contended)(struct arch_spinlock *lock);
+ void (*spin_lock)(struct arch_spinlock *lock);
+ void (*spin_lock_flags)(struct arch_spinlock *lock, unsigned long flags);
+ int (*spin_trylock)(struct arch_spinlock *lock);
+ void (*spin_unlock)(struct arch_spinlock *lock);
};
/* This contains all the paravirt structures: we get a convenient
diff --git a/arch/x86/include/asm/spinlock.h b/arch/x86/include/asm/spinlock.h
index 4e77853..204b524 100644
--- a/arch/x86/include/asm/spinlock.h
+++ b/arch/x86/include/asm/spinlock.h
@@ -58,7 +58,7 @@
#if (NR_CPUS < 256)
#define TICKET_SHIFT 8
-static __always_inline void __ticket_spin_lock(raw_spinlock_t *lock)
+static __always_inline void __ticket_spin_lock(arch_spinlock_t *lock)
{
short inc = 0x0100;
@@ -77,7 +77,7 @@ static __always_inline void __ticket_spin_lock(raw_spinlock_t *lock)
: "memory", "cc");
}
-static __always_inline int __ticket_spin_trylock(raw_spinlock_t *lock)
+static __always_inline int __ticket_spin_trylock(arch_spinlock_t *lock)
{
int tmp, new;
@@ -96,7 +96,7 @@ static __always_inline int __ticket_spin_trylock(raw_spinlock_t *lock)
return tmp;
}
-static __always_inline void __ticket_spin_unlock(raw_spinlock_t *lock)
+static __always_inline void __ticket_spin_unlock(arch_spinlock_t *lock)
{
asm volatile(UNLOCK_LOCK_PREFIX "incb %0"
: "+m" (lock->slock)
@@ -106,7 +106,7 @@ static __always_inline void __ticket_spin_unlock(raw_spinlock_t *lock)
#else
#define TICKET_SHIFT 16
-static __always_inline void __ticket_spin_lock(raw_spinlock_t *lock)
+static __always_inline void __ticket_spin_lock(arch_spinlock_t *lock)
{
int inc = 0x00010000;
int tmp;
@@ -127,7 +127,7 @@ static __always_inline void __ticket_spin_lock(raw_spinlock_t *lock)
: "memory", "cc");
}
-static __always_inline int __ticket_spin_trylock(raw_spinlock_t *lock)
+static __always_inline int __ticket_spin_trylock(arch_spinlock_t *lock)
{
int tmp;
int new;
@@ -149,7 +149,7 @@ static __always_inline int __ticket_spin_trylock(raw_spinlock_t *lock)
return tmp;
}
-static __always_inline void __ticket_spin_unlock(raw_spinlock_t *lock)
+static __always_inline void __ticket_spin_unlock(arch_spinlock_t *lock)
{
asm volatile(UNLOCK_LOCK_PREFIX "incw %0"
: "+m" (lock->slock)
@@ -158,14 +158,14 @@ static __always_inline void __ticket_spin_unlock(raw_spinlock_t *lock)
}
#endif
-static inline int __ticket_spin_is_locked(raw_spinlock_t *lock)
+static inline int __ticket_spin_is_locked(arch_spinlock_t *lock)
{
int tmp = ACCESS_ONCE(lock->slock);
return !!(((tmp >> TICKET_SHIFT) ^ tmp) & ((1 << TICKET_SHIFT) - 1));
}
-static inline int __ticket_spin_is_contended(raw_spinlock_t *lock)
+static inline int __ticket_spin_is_contended(arch_spinlock_t *lock)
{
int tmp = ACCESS_ONCE(lock->slock);
@@ -174,33 +174,33 @@ static inline int __ticket_spin_is_contended(raw_spinlock_t *lock)
#ifndef CONFIG_PARAVIRT_SPINLOCKS
-static inline int __raw_spin_is_locked(raw_spinlock_t *lock)
+static inline int __raw_spin_is_locked(arch_spinlock_t *lock)
{
return __ticket_spin_is_locked(lock);
}
-static inline int __raw_spin_is_contended(raw_spinlock_t *lock)
+static inline int __raw_spin_is_contended(arch_spinlock_t *lock)
{
return __ticket_spin_is_contended(lock);
}
#define __raw_spin_is_contended __raw_spin_is_contended
-static __always_inline void __raw_spin_lock(raw_spinlock_t *lock)
+static __always_inline void __raw_spin_lock(arch_spinlock_t *lock)
{
__ticket_spin_lock(lock);
}
-static __always_inline int __raw_spin_trylock(raw_spinlock_t *lock)
+static __always_inline int __raw_spin_trylock(arch_spinlock_t *lock)
{
return __ticket_spin_trylock(lock);
}
-static __always_inline void __raw_spin_unlock(raw_spinlock_t *lock)
+static __always_inline void __raw_spin_unlock(arch_spinlock_t *lock)
{
__ticket_spin_unlock(lock);
}
-static __always_inline void __raw_spin_lock_flags(raw_spinlock_t *lock,
+static __always_inline void __raw_spin_lock_flags(arch_spinlock_t *lock,
unsigned long flags)
{
__raw_spin_lock(lock);
@@ -208,7 +208,7 @@ static __always_inline void __raw_spin_lock_flags(raw_spinlock_t *lock,
#endif /* CONFIG_PARAVIRT_SPINLOCKS */
-static inline void __raw_spin_unlock_wait(raw_spinlock_t *lock)
+static inline void __raw_spin_unlock_wait(arch_spinlock_t *lock)
{
while (__raw_spin_is_locked(lock))
cpu_relax();
diff --git a/arch/x86/include/asm/spinlock_types.h b/arch/x86/include/asm/spinlock_types.h
index 845f81c..2ae7637 100644
--- a/arch/x86/include/asm/spinlock_types.h
+++ b/arch/x86/include/asm/spinlock_types.h
@@ -5,9 +5,9 @@
# error "please don't include this file directly"
#endif
-typedef struct raw_spinlock {
+typedef struct arch_spinlock {
unsigned int slock;
-} raw_spinlock_t;
+} arch_spinlock_t;
#define __RAW_SPIN_LOCK_UNLOCKED { 0 }
diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c
index b8ce165..0862d9d 100644
--- a/arch/x86/kernel/dumpstack.c
+++ b/arch/x86/kernel/dumpstack.c
@@ -188,7 +188,7 @@ void dump_stack(void)
}
EXPORT_SYMBOL(dump_stack);
-static raw_spinlock_t die_lock = __RAW_SPIN_LOCK_UNLOCKED;
+static arch_spinlock_t die_lock = __RAW_SPIN_LOCK_UNLOCKED;
static int die_owner = -1;
static unsigned int die_nest_count;
diff --git a/arch/x86/kernel/paravirt-spinlocks.c b/arch/x86/kernel/paravirt-spinlocks.c
index 3a7c5a4..a0f39e0 100644
--- a/arch/x86/kernel/paravirt-spinlocks.c
+++ b/arch/x86/kernel/paravirt-spinlocks.c
@@ -8,7 +8,7 @@
#include <asm/paravirt.h>
static inline void
-default_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags)
+default_spin_lock_flags(arch_spinlock_t *lock, unsigned long flags)
{
__raw_spin_lock(lock);
}
diff --git a/arch/x86/kernel/tsc_sync.c b/arch/x86/kernel/tsc_sync.c
index eed1568..9f908b9 100644
--- a/arch/x86/kernel/tsc_sync.c
+++ b/arch/x86/kernel/tsc_sync.c
@@ -33,7 +33,7 @@ static __cpuinitdata atomic_t stop_count;
* we want to have the fastest, inlined, non-debug version
* of a critical section, to be able to prove TSC time-warps:
*/
-static __cpuinitdata raw_spinlock_t sync_lock = __RAW_SPIN_LOCK_UNLOCKED;
+static __cpuinitdata arch_spinlock_t sync_lock = __RAW_SPIN_LOCK_UNLOCKED;
static __cpuinitdata cycles_t last_tsc;
static __cpuinitdata cycles_t max_warp;
diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c
index 36a5141..24ded31 100644
--- a/arch/x86/xen/spinlock.c
+++ b/arch/x86/xen/spinlock.c
@@ -120,14 +120,14 @@ struct xen_spinlock {
unsigned short spinners; /* count of waiting cpus */
};
-static int xen_spin_is_locked(struct raw_spinlock *lock)
+static int xen_spin_is_locked(struct arch_spinlock *lock)
{
struct xen_spinlock *xl = (struct xen_spinlock *)lock;
return xl->lock != 0;
}
-static int xen_spin_is_contended(struct raw_spinlock *lock)
+static int xen_spin_is_contended(struct arch_spinlock *lock)
{
struct xen_spinlock *xl = (struct xen_spinlock *)lock;
@@ -136,7 +136,7 @@ static int xen_spin_is_contended(struct raw_spinlock *lock)
return xl->spinners != 0;
}
-static int xen_spin_trylock(struct raw_spinlock *lock)
+static int xen_spin_trylock(struct arch_spinlock *lock)
{
struct xen_spinlock *xl = (struct xen_spinlock *)lock;
u8 old = 1;
@@ -181,7 +181,7 @@ static inline void unspinning_lock(struct xen_spinlock *xl, struct xen_spinlock
__get_cpu_var(lock_spinners) = prev;
}
-static noinline int xen_spin_lock_slow(struct raw_spinlock *lock, bool irq_enable)
+static noinline int xen_spin_lock_slow(struct arch_spinlock *lock, bool irq_enable)
{
struct xen_spinlock *xl = (struct xen_spinlock *)lock;
struct xen_spinlock *prev;
@@ -254,7 +254,7 @@ out:
return ret;
}
-static inline void __xen_spin_lock(struct raw_spinlock *lock, bool irq_enable)
+static inline void __xen_spin_lock(struct arch_spinlock *lock, bool irq_enable)
{
struct xen_spinlock *xl = (struct xen_spinlock *)lock;
unsigned timeout;
@@ -291,12 +291,12 @@ static inline void __xen_spin_lock(struct raw_spinlock *lock, bool irq_enable)
spin_time_accum_total(start_spin);
}
-static void xen_spin_lock(struct raw_spinlock *lock)
+static void xen_spin_lock(struct arch_spinlock *lock)
{
__xen_spin_lock(lock, false);
}
-static void xen_spin_lock_flags(struct raw_spinlock *lock, unsigned long flags)
+static void xen_spin_lock_flags(struct arch_spinlock *lock, unsigned long flags)
{
__xen_spin_lock(lock, !raw_irqs_disabled_flags(flags));
}
@@ -317,7 +317,7 @@ static noinline void xen_spin_unlock_slow(struct xen_spinlock *xl)
}
}
-static void xen_spin_unlock(struct raw_spinlock *lock)
+static void xen_spin_unlock(struct arch_spinlock *lock)
{
struct xen_spinlock *xl = (struct xen_spinlock *)lock;