diff options
Diffstat (limited to 'arch/mips/mm')
-rw-r--r-- | arch/mips/mm/dma-default.c | 8 | ||||
-rw-r--r-- | arch/mips/mm/fault.c | 9 | ||||
-rw-r--r-- | arch/mips/mm/init.c | 4 | ||||
-rw-r--r-- | arch/mips/mm/tlb-r4k.c | 6 |
4 files changed, 15 insertions, 12 deletions
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index 46d5696c4f27..a39c36af97ad 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c @@ -293,7 +293,7 @@ static inline void __dma_sync(struct page *page, static void mips_dma_unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size, enum dma_data_direction direction, unsigned long attrs) { - if (cpu_needs_post_dma_flush(dev)) + if (cpu_needs_post_dma_flush(dev) && !(attrs & DMA_ATTR_SKIP_CPU_SYNC)) __dma_sync(dma_addr_to_page(dev, dma_addr), dma_addr & ~PAGE_MASK, size, direction); plat_post_dma_flush(dev); @@ -307,7 +307,8 @@ static int mips_dma_map_sg(struct device *dev, struct scatterlist *sglist, struct scatterlist *sg; for_each_sg(sglist, sg, nents, i) { - if (!plat_device_is_coherent(dev)) + if (!plat_device_is_coherent(dev) && + !(attrs & DMA_ATTR_SKIP_CPU_SYNC)) __dma_sync(sg_page(sg), sg->offset, sg->length, direction); #ifdef CONFIG_NEED_SG_DMA_LENGTH @@ -324,7 +325,7 @@ static dma_addr_t mips_dma_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction direction, unsigned long attrs) { - if (!plat_device_is_coherent(dev)) + if (!plat_device_is_coherent(dev) && !(attrs & DMA_ATTR_SKIP_CPU_SYNC)) __dma_sync(page, offset, size, direction); return plat_map_dma_mem_page(dev, page) + offset; @@ -339,6 +340,7 @@ static void mips_dma_unmap_sg(struct device *dev, struct scatterlist *sglist, for_each_sg(sglist, sg, nhwentries, i) { if (!plat_device_is_coherent(dev) && + !(attrs & DMA_ATTR_SKIP_CPU_SYNC) && direction != DMA_TO_DEVICE) __dma_sync(sg_page(sg), sg->offset, sg->length, direction); diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c index d56a855828c2..3bef306cdfdb 100644 --- a/arch/mips/mm/fault.c +++ b/arch/mips/mm/fault.c @@ -209,17 +209,18 @@ bad_area_nosemaphore: if (show_unhandled_signals && unhandled_signal(tsk, SIGSEGV) && __ratelimit(&ratelimit_state)) { - pr_info("\ndo_page_fault(): sending SIGSEGV to %s for invalid %s %0*lx", + pr_info("do_page_fault(): sending SIGSEGV to %s for invalid %s %0*lx\n", tsk->comm, write ? "write access to" : "read access from", field, address); pr_info("epc = %0*lx in", field, (unsigned long) regs->cp0_epc); - print_vma_addr(" ", regs->cp0_epc); + print_vma_addr(KERN_CONT " ", regs->cp0_epc); + pr_cont("\n"); pr_info("ra = %0*lx in", field, (unsigned long) regs->regs[31]); - print_vma_addr(" ", regs->regs[31]); - pr_info("\n"); + print_vma_addr(KERN_CONT " ", regs->regs[31]); + pr_cont("\n"); } current->thread.trap_nr = (regs->cp0_cause >> 2) & 0x1f; info.si_signo = SIGSEGV; diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 3a6edecc3f38..e86ebcf5c071 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -118,7 +118,7 @@ static void *__kmap_pgprot(struct page *page, unsigned long addr, pgprot_t prot) writex_c0_entrylo1(entrylo); } #endif - tlbidx = read_c0_wired(); + tlbidx = num_wired_entries(); write_c0_wired(tlbidx + 1); write_c0_index(tlbidx); mtc0_tlbw_hazard(); @@ -147,7 +147,7 @@ void kunmap_coherent(void) local_irq_save(flags); old_ctx = read_c0_entryhi(); - wired = read_c0_wired() - 1; + wired = num_wired_entries() - 1; write_c0_wired(wired); write_c0_index(wired); write_c0_entryhi(UNIQUE_ENTRYHI(wired)); diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c index bba9c1484b41..0596505770db 100644 --- a/arch/mips/mm/tlb-r4k.c +++ b/arch/mips/mm/tlb-r4k.c @@ -65,7 +65,7 @@ void local_flush_tlb_all(void) write_c0_entrylo0(0); write_c0_entrylo1(0); - entry = read_c0_wired(); + entry = num_wired_entries(); /* * Blast 'em all away. @@ -385,7 +385,7 @@ void add_wired_entry(unsigned long entrylo0, unsigned long entrylo1, old_ctx = read_c0_entryhi(); htw_stop(); old_pagemask = read_c0_pagemask(); - wired = read_c0_wired(); + wired = num_wired_entries(); write_c0_wired(wired + 1); write_c0_index(wired); tlbw_use_hazard(); /* What is the hazard here? */ @@ -449,7 +449,7 @@ __init int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1, htw_stop(); old_ctx = read_c0_entryhi(); old_pagemask = read_c0_pagemask(); - wired = read_c0_wired(); + wired = num_wired_entries(); if (--temp_tlb_entry < wired) { printk(KERN_WARNING "No TLB space left for add_temporary_entry\n"); |