diff options
| author | Ingo Molnar <mingo@elte.hu> | 2010-05-03 11:17:01 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-05-03 11:17:01 +0400 |
| commit | 53ba4f2fa73225113a488584df0d85d3cba52943 (patch) | |
| tree | d85b984d9818abc3ccc0237eb53b710d9e96c39e /arch/sh/mm/tlb-urb.c | |
| parent | bd6d29c25bb1a24a4c160ec5de43e0004e01f72b (diff) | |
| parent | 66f41d4c5c8a5deed66fdcc84509376c9a0bf9d8 (diff) | |
| download | linux-53ba4f2fa73225113a488584df0d85d3cba52943.tar.xz | |
Merge commit 'v2.6.34-rc6' into core/locking
Diffstat (limited to 'arch/sh/mm/tlb-urb.c')
| -rw-r--r-- | arch/sh/mm/tlb-urb.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/arch/sh/mm/tlb-urb.c b/arch/sh/mm/tlb-urb.c index bb5b9098956d..c92ce20db39b 100644 --- a/arch/sh/mm/tlb-urb.c +++ b/arch/sh/mm/tlb-urb.c @@ -24,13 +24,9 @@ void tlb_wire_entry(struct vm_area_struct *vma, unsigned long addr, pte_t pte) local_irq_save(flags); - /* Load the entry into the TLB */ - __update_tlb(vma, addr, pte); - - /* ... and wire it up. */ status = __raw_readl(MMUCR); urb = (status & MMUCR_URB) >> MMUCR_URB_SHIFT; - status &= ~MMUCR_URB; + status &= ~MMUCR_URC; /* * Make sure we're not trying to wire the last TLB entry slot. @@ -39,7 +35,23 @@ void tlb_wire_entry(struct vm_area_struct *vma, unsigned long addr, pte_t pte) urb = urb % MMUCR_URB_NENTRIES; + /* + * Insert this entry into the highest non-wired TLB slot (via + * the URC field). + */ + status |= (urb << MMUCR_URC_SHIFT); + __raw_writel(status, MMUCR); + ctrl_barrier(); + + /* Load the entry into the TLB */ + __update_tlb(vma, addr, pte); + + /* ... and wire it up. */ + status = __raw_readl(MMUCR); + + status &= ~MMUCR_URB; status |= (urb << MMUCR_URB_SHIFT); + __raw_writel(status, MMUCR); ctrl_barrier(); |