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authorLinus Torvalds <torvalds@linux-foundation.org>2010-02-27 13:26:18 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-02-27 13:26:18 -0800
commitef1a8de8ea004a689b2aa9f5cefcba2b1a0262f2 (patch)
tree14324fad5e33c50c7d00646b7f6d2524943e7726 /arch/powerpc/mm/mmu_context_nohash.c
parent1c32fd0c5ac1ccbdc37a1a392a5d75cbe059b401 (diff)
parent3d98ffbffb16f2a1569b83cb78db0b5100e6c937 (diff)
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (88 commits) powerpc: Fix lwsync feature fixup vs. modules on 64-bit powerpc: Convert pmc_owner_lock to raw_spinlock powerpc: Convert die.lock to raw_spinlock powerpc: Convert tlbivax_lock to raw_spinlock powerpc: Convert mpic locks to raw_spinlock powerpc: Convert pmac_pic_lock to raw_spinlock powerpc: Convert big_irq_lock to raw_spinlock powerpc: Convert feature_lock to raw_spinlock powerpc: Convert i8259_lock to raw_spinlock powerpc: Convert beat_htab_lock to raw_spinlock powerpc: Convert confirm_error_lock to raw_spinlock powerpc: Convert ipic_lock to raw_spinlock powerpc: Convert native_tlbie_lock to raw_spinlock powerpc: Convert beatic_irq_mask_lock to raw_spinlock powerpc: Convert nv_lock to raw_spinlock powerpc: Convert context_lock to raw_spinlock powerpc/85xx: Add NOR, LEDs and PIB support for MPC8568E-MDS boards powerpc/86xx: Enable VME driver on the GE SBC610 powerpc/86xx: Enable VME driver on the GE PPC9A powerpc/86xx: Add MSI section to GE PPC9A DTS ...
Diffstat (limited to 'arch/powerpc/mm/mmu_context_nohash.c')
-rw-r--r--arch/powerpc/mm/mmu_context_nohash.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/powerpc/mm/mmu_context_nohash.c b/arch/powerpc/mm/mmu_context_nohash.c
index 1044a634b6d..dbc692145ec 100644
--- a/arch/powerpc/mm/mmu_context_nohash.c
+++ b/arch/powerpc/mm/mmu_context_nohash.c
@@ -56,7 +56,7 @@ static unsigned int next_context, nr_free_contexts;
static unsigned long *context_map;
static unsigned long *stale_map[NR_CPUS];
static struct mm_struct **context_mm;
-static DEFINE_SPINLOCK(context_lock);
+static DEFINE_RAW_SPINLOCK(context_lock);
#define CTX_MAP_SIZE \
(sizeof(unsigned long) * (last_context / BITS_PER_LONG + 1))
@@ -121,9 +121,9 @@ static unsigned int steal_context_smp(unsigned int id)
/* This will happen if you have more CPUs than available contexts,
* all we can do here is wait a bit and try again
*/
- spin_unlock(&context_lock);
+ raw_spin_unlock(&context_lock);
cpu_relax();
- spin_lock(&context_lock);
+ raw_spin_lock(&context_lock);
/* This will cause the caller to try again */
return MMU_NO_CONTEXT;
@@ -194,7 +194,7 @@ void switch_mmu_context(struct mm_struct *prev, struct mm_struct *next)
unsigned long *map;
/* No lockless fast path .. yet */
- spin_lock(&context_lock);
+ raw_spin_lock(&context_lock);
pr_hard("[%d] activating context for mm @%p, active=%d, id=%d",
cpu, next, next->context.active, next->context.id);
@@ -278,7 +278,7 @@ void switch_mmu_context(struct mm_struct *prev, struct mm_struct *next)
/* Flick the MMU and release lock */
pr_hardcont(" -> %d\n", id);
set_context(id, next->pgd);
- spin_unlock(&context_lock);
+ raw_spin_unlock(&context_lock);
}
/*
@@ -307,7 +307,7 @@ void destroy_context(struct mm_struct *mm)
WARN_ON(mm->context.active != 0);
- spin_lock_irqsave(&context_lock, flags);
+ raw_spin_lock_irqsave(&context_lock, flags);
id = mm->context.id;
if (id != MMU_NO_CONTEXT) {
__clear_bit(id, context_map);
@@ -318,7 +318,7 @@ void destroy_context(struct mm_struct *mm)
context_mm[id] = NULL;
nr_free_contexts++;
}
- spin_unlock_irqrestore(&context_lock, flags);
+ raw_spin_unlock_irqrestore(&context_lock, flags);
}
#ifdef CONFIG_SMP