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authorGrant Likely <grant.likely@secretlab.ca>2010-12-29 22:20:30 -0700
committerGrant Likely <grant.likely@secretlab.ca>2010-12-29 22:21:47 -0700
commitd392da5207352f09030e95d9ea335a4225667ec0 (patch)
tree7d6cd1932afcad0a5619a5c504a6d93ca318187c /arch/sh/mm/tlbflush_32.c
parente39d5ef678045d61812c1401f04fe8edb14d6359 (diff)
parent387c31c7e5c9805b0aef8833d1731a5fe7bdea14 (diff)
Merge v2.6.37-rc8 into powerpc/next
Diffstat (limited to 'arch/sh/mm/tlbflush_32.c')
-rw-r--r--arch/sh/mm/tlbflush_32.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/sh/mm/tlbflush_32.c b/arch/sh/mm/tlbflush_32.c
index 3fbe03ce8fe3..a6a20d6de4c0 100644
--- a/arch/sh/mm/tlbflush_32.c
+++ b/arch/sh/mm/tlbflush_32.c
@@ -119,3 +119,19 @@ void local_flush_tlb_mm(struct mm_struct *mm)
local_irq_restore(flags);
}
}
+
+void __flush_tlb_global(void)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+
+ /*
+ * This is the most destructive of the TLB flushing options,
+ * and will tear down all of the UTLB/ITLB mappings, including
+ * wired entries.
+ */
+ __raw_writel(__raw_readl(MMUCR) | MMUCR_TI, MMUCR);
+
+ local_irq_restore(flags);
+}