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authorIngo Molnar <mingo@elte.hu>2010-04-08 03:06:12 -0400
committerIngo Molnar <mingo@elte.hu>2010-04-08 04:18:47 -0400
commitc1ab9cab75098924fa8226a8a371de66977439df (patch)
tree767e77302ca8f2eb781c60624bc8518cd50ba6eb /arch/sh/mm/tlb-sh4.c
parentff0ff84a0767df48d728c36510365344a7e7d582 (diff)
parentf5284e7635787224dda1a2bf82a4c56b1c75671f (diff)
Merge branch 'linus' into tracing/core
Conflicts: include/linux/module.h kernel/module.c Semantic conflict: include/trace/events/module.h Merge reason: Resolve the conflict with upstream commit 5fbfb18 ("Fix up possibly racy module refcounting") Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/sh/mm/tlb-sh4.c')
-rw-r--r--arch/sh/mm/tlb-sh4.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/sh/mm/tlb-sh4.c b/arch/sh/mm/tlb-sh4.c
index ccac77f504a8..cfdf7930d294 100644
--- a/arch/sh/mm/tlb-sh4.c
+++ b/arch/sh/mm/tlb-sh4.c
@@ -80,3 +80,31 @@ void local_flush_tlb_one(unsigned long asid, unsigned long page)
80 __raw_writel(data, addr); 80 __raw_writel(data, addr);
81 back_to_cached(); 81 back_to_cached();
82} 82}
83
84void local_flush_tlb_all(void)
85{
86 unsigned long flags, status;
87 int i;
88
89 /*
90 * Flush all the TLB.
91 */
92 local_irq_save(flags);
93 jump_to_uncached();
94
95 status = __raw_readl(MMUCR);
96 status = ((status & MMUCR_URB) >> MMUCR_URB_SHIFT);
97
98 if (status == 0)
99 status = MMUCR_URB_NENTRIES;
100
101 for (i = 0; i < status; i++)
102 __raw_writel(0x0, MMU_UTLB_ADDRESS_ARRAY | (i << 8));
103
104 for (i = 0; i < 4; i++)
105 __raw_writel(0x0, MMU_ITLB_ADDRESS_ARRAY | (i << 8));
106
107 back_to_cached();
108 ctrl_barrier();
109 local_irq_restore(flags);
110}