diff options
| author | Paul Mackerras <paulus@samba.org> | 2007-09-14 01:24:25 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-09-14 01:24:25 +1000 |
| commit | b2315372eac9cd9f622c32a93e323cf6f0f03462 (patch) | |
| tree | 9e1faa7cdcddf5d90bec4fb9523742d4cce699a1 /arch/mips/mm | |
| parent | 5326152fa182b0a16e4abf913ce403e3c7ab53b7 (diff) | |
| parent | c87ce65868bbf9bbea9c3f112ff8315302daf8f2 (diff) | |
Merge branch 'linux-2.6' into for-2.6.24
Diffstat (limited to 'arch/mips/mm')
| -rw-r--r-- | arch/mips/mm/dma-default.c | 2 | ||||
| -rw-r--r-- | arch/mips/mm/init.c | 5 | ||||
| -rw-r--r-- | arch/mips/mm/tlbex.c | 4 |
3 files changed, 7 insertions, 4 deletions
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index 76903c72764..f60b3dc0fc6 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c @@ -35,7 +35,7 @@ static inline unsigned long dma_addr_to_virt(dma_addr_t dma_addr) static inline int cpu_is_noncoherent_r10000(struct device *dev) { return !plat_device_is_coherent(dev) && - (current_cpu_data.cputype == CPU_R10000 && + (current_cpu_data.cputype == CPU_R10000 || current_cpu_data.cputype == CPU_R12000); } diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 09d91505b90..5240432e6d1 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -8,6 +8,7 @@ * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. */ +#include <linux/bug.h> #include <linux/init.h> #include <linux/module.h> #include <linux/signal.h> @@ -132,6 +133,8 @@ void *kmap_coherent(struct page *page, unsigned long addr) pte_t pte; int tlbidx; + BUG_ON(Page_dcache_dirty(page)); + inc_preempt_count(); idx = (addr >> PAGE_SHIFT) & (FIX_N_COLOURS - 1); #ifdef CONFIG_MIPS_MT_SMTC @@ -208,7 +211,7 @@ void copy_user_highpage(struct page *to, struct page *from, void *vfrom, *vto; vto = kmap_atomic(to, KM_USER1); - if (cpu_has_dc_aliases) { + if (cpu_has_dc_aliases && !Page_dcache_dirty(from)) { vfrom = kmap_coherent(from, vaddr); copy_page(vto, vfrom); kunmap_coherent(); diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 4ec0964b839..9cb39644b6f 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -78,7 +78,7 @@ enum fields SET = 0x200 }; -#define OP_MASK 0x2f +#define OP_MASK 0x3f #define OP_SH 26 #define RS_MASK 0x1f #define RS_SH 21 @@ -92,7 +92,7 @@ enum fields #define IMM_SH 0 #define JIMM_MASK 0x3ffffff #define JIMM_SH 0 -#define FUNC_MASK 0x2f +#define FUNC_MASK 0x3f #define FUNC_SH 0 #define SET_MASK 0x7 #define SET_SH 0 |