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author | Thomas Gleixner <tglx@linutronix.de> | 2010-04-13 14:12:17 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2010-04-13 14:12:17 +0200 |
commit | 7c7145f6acc68100dbdc5d3c5c64fe3af1c99c89 (patch) | |
tree | 5e93e3eb4787229032f1df222fa490112f4b0c32 /arch/sh/mm/tlb-sh3.c | |
parent | 92d6b71ab906be706f3679353b30a8d2c3831144 (diff) | |
parent | 0d0fb0f9c5fddef4a10242fe3337f00f528a3099 (diff) |
Merge branch 'linus' into irq/core
Reason: Get the upstream IRQF_DISABLED related changes.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/sh/mm/tlb-sh3.c')
-rw-r--r-- | arch/sh/mm/tlb-sh3.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/sh/mm/tlb-sh3.c b/arch/sh/mm/tlb-sh3.c index 4f5f7cbdd50..7a940dbfc2e 100644 --- a/arch/sh/mm/tlb-sh3.c +++ b/arch/sh/mm/tlb-sh3.c @@ -77,3 +77,22 @@ void local_flush_tlb_one(unsigned long asid, unsigned long page) for (i = 0; i < ways; i++) __raw_writel(data, addr + (i << 8)); } + +void local_flush_tlb_all(void) +{ + unsigned long flags, status; + + /* + * Flush all the TLB. + * + * Write to the MMU control register's bit: + * TF-bit for SH-3, TI-bit for SH-4. + * It's same position, bit #2. + */ + local_irq_save(flags); + status = __raw_readl(MMUCR); + status |= 0x04; + __raw_writel(status, MMUCR); + ctrl_barrier(); + local_irq_restore(flags); +} |