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authorRusty Russell <rusty@rustcorp.com.au>2015-05-09 03:39:52 +0930
committerLinus Torvalds <torvalds@linux-foundation.org>2015-05-09 11:09:29 -0700
commit1a9f064f516c36d018754407b41921c996439ecf (patch)
treeb531274e7672dd6edfe68100ce7c6ca3eeba6a4f /arch/m32r
parent95c607d93f477bd4d079c0529c5f7becad4efffb (diff)
downloadlinux-linaro-stable-1a9f064f516c36d018754407b41921c996439ecf.tar.gz
m32r: make flush_cpumask non-volatile.
We cast away the volatile, but really, why make it volatile at all? We already do a mb() inside the cpumask_empty() loop. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/m32r')
-rw-r--r--arch/m32r/kernel/smp.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/m32r/kernel/smp.c b/arch/m32r/kernel/smp.c
index ce7aea34fdf4..c18ddc74ef9a 100644
--- a/arch/m32r/kernel/smp.c
+++ b/arch/m32r/kernel/smp.c
@@ -45,7 +45,7 @@ static volatile unsigned long flushcache_cpumask = 0;
/*
* For flush_tlb_others()
*/
-static volatile cpumask_t flush_cpumask;
+static cpumask_t flush_cpumask;
static struct mm_struct *flush_mm;
static struct vm_area_struct *flush_vma;
static volatile unsigned long flush_va;
@@ -415,7 +415,7 @@ static void flush_tlb_others(cpumask_t cpumask, struct mm_struct *mm,
*/
send_IPI_mask(&cpumask, INVALIDATE_TLB_IPI, 0);
- while (!cpumask_empty((cpumask_t*)&flush_cpumask)) {
+ while (!cpumask_empty(&flush_cpumask)) {
/* nothing. lockup detection does not belong here */
mb();
}
@@ -468,7 +468,7 @@ void smp_invalidate_interrupt(void)
__flush_tlb_page(va);
}
}
- cpumask_clear_cpu(cpu_id, (cpumask_t*)&flush_cpumask);
+ cpumask_clear_cpu(cpu_id, &flush_cpumask);
}
/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/