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authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-27 21:34:34 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-27 21:34:34 -0400
commit7b616c8a2f5c8507b4aed6907336ec5b85803a39 (patch)
treed6378d23ae5e59f3b8ad881d11949ca0ff7c6efe /arch/sparc/kernel/smp_64.c
parentfebb02bdfe5e2c6ceaa0a38d8b7afca3d98f415a (diff)
parent6e8a4fa651975ff808dba130eae442f4cea1671c (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: We need to use compat_sys_ustat() as well. sparc64: Fix MM refcount check in smp_flush_tlb_pending().
Diffstat (limited to 'arch/sparc/kernel/smp_64.c')
-rw-r--r--arch/sparc/kernel/smp_64.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index 6cd1a5b65067..79457f682b5a 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -1031,7 +1031,7 @@ void smp_fetch_global_regs(void)
1031 * If the address space is non-shared (ie. mm->count == 1) we avoid 1031 * If the address space is non-shared (ie. mm->count == 1) we avoid
1032 * cross calls when we want to flush the currently running process's 1032 * cross calls when we want to flush the currently running process's
1033 * tlb state. This is done by clearing all cpu bits except the current 1033 * tlb state. This is done by clearing all cpu bits except the current
1034 * processor's in current->active_mm->cpu_vm_mask and performing the 1034 * processor's in current->mm->cpu_vm_mask and performing the
1035 * flush locally only. This will force any subsequent cpus which run 1035 * flush locally only. This will force any subsequent cpus which run
1036 * this task to flush the context from the local tlb if the process 1036 * this task to flush the context from the local tlb if the process
1037 * migrates to another cpu (again). 1037 * migrates to another cpu (again).
@@ -1074,7 +1074,7 @@ void smp_flush_tlb_pending(struct mm_struct *mm, unsigned long nr, unsigned long
1074 u32 ctx = CTX_HWBITS(mm->context); 1074 u32 ctx = CTX_HWBITS(mm->context);
1075 int cpu = get_cpu(); 1075 int cpu = get_cpu();
1076 1076
1077 if (mm == current->active_mm && atomic_read(&mm->mm_users) == 1) 1077 if (mm == current->mm && atomic_read(&mm->mm_users) == 1)
1078 mm->cpu_vm_mask = cpumask_of_cpu(cpu); 1078 mm->cpu_vm_mask = cpumask_of_cpu(cpu);
1079 else 1079 else
1080 smp_cross_call_masked(&xcall_flush_tlb_pending, 1080 smp_cross_call_masked(&xcall_flush_tlb_pending,