From e5fd91f1ef340da553f7a79da9540c3db711c937 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?= Date: Tue, 8 Sep 2015 01:01:14 -0300 Subject: Linux-libre 4.2-gnu --- arch/parisc/include/asm/Kbuild | 2 +- arch/parisc/include/asm/cacheflush.h | 2 ++ arch/parisc/include/asm/cmpxchg.h | 2 -- arch/parisc/include/asm/dma-mapping.h | 2 +- arch/parisc/include/asm/pci.h | 21 +-------------------- arch/parisc/kernel/pci-dma.c | 27 ++++++++++++++++----------- arch/parisc/kernel/pdc_cons.c | 3 +-- arch/parisc/kernel/perf.c | 3 +-- arch/parisc/kernel/traps.c | 4 ++-- arch/parisc/mm/fault.c | 4 ++-- 10 files changed, 27 insertions(+), 43 deletions(-) (limited to 'arch/parisc') diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild index 7a4bcc363..f9b3a81ae 100644 --- a/arch/parisc/include/asm/Kbuild +++ b/arch/parisc/include/asm/Kbuild @@ -15,12 +15,12 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mcs_spinlock.h +generic-y += mm-arch-hooks.h generic-y += mutex.h generic-y += param.h generic-y += percpu.h generic-y += poll.h generic-y += preempt.h -generic-y += scatterlist.h generic-y += seccomp.h generic-y += segment.h generic-y += topology.h diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h index de65f66ea..ec2df4bab 100644 --- a/arch/parisc/include/asm/cacheflush.h +++ b/arch/parisc/include/asm/cacheflush.h @@ -142,6 +142,7 @@ static inline void kunmap(struct page *page) static inline void *kmap_atomic(struct page *page) { + preempt_disable(); pagefault_disable(); return page_address(page); } @@ -150,6 +151,7 @@ static inline void __kunmap_atomic(void *addr) { flush_kernel_dcache_page_addr(addr); pagefault_enable(); + preempt_enable(); } #define kmap_atomic_prot(page, prot) kmap_atomic(page) diff --git a/arch/parisc/include/asm/cmpxchg.h b/arch/parisc/include/asm/cmpxchg.h index dbd13354e..0a90b965c 100644 --- a/arch/parisc/include/asm/cmpxchg.h +++ b/arch/parisc/include/asm/cmpxchg.h @@ -46,8 +46,6 @@ __xchg(unsigned long x, __volatile__ void *ptr, int size) #define xchg(ptr, x) \ ((__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr), sizeof(*(ptr)))) -#define __HAVE_ARCH_CMPXCHG 1 - /* bug catcher for when unsupported size is used - won't link */ extern void __cmpxchg_called_with_bad_pointer(void); diff --git a/arch/parisc/include/asm/dma-mapping.h b/arch/parisc/include/asm/dma-mapping.h index d0eae5f2b..d8d60a571 100644 --- a/arch/parisc/include/asm/dma-mapping.h +++ b/arch/parisc/include/asm/dma-mapping.h @@ -2,8 +2,8 @@ #define _PARISC_DMA_MAPPING_H #include +#include #include -#include /* See Documentation/DMA-API-HOWTO.txt */ struct hppa_dma_ops { diff --git a/arch/parisc/include/asm/pci.h b/arch/parisc/include/asm/pci.h index 20df2b04f..71889ea72 100644 --- a/arch/parisc/include/asm/pci.h +++ b/arch/parisc/include/asm/pci.h @@ -1,7 +1,7 @@ #ifndef __ASM_PARISC_PCI_H #define __ASM_PARISC_PCI_H -#include +#include @@ -196,25 +196,6 @@ static inline void pcibios_register_hba(struct pci_hba_data *x) /* export the pci_ DMA API in terms of the dma_ one */ #include -#ifdef CONFIG_PCI -static inline void pci_dma_burst_advice(struct pci_dev *pdev, - enum pci_dma_burst_strategy *strat, - unsigned long *strategy_parameter) -{ - unsigned long cacheline_size; - u8 byte; - - pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &byte); - if (byte == 0) - cacheline_size = 1024; - else - cacheline_size = (int) byte * 4; - - *strat = PCI_DMA_BURST_MULTIPLE; - *strategy_parameter = cacheline_size; -} -#endif - static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) { return channel ? 15 : 14; diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c index ff834fd67..b9402c9b3 100644 --- a/arch/parisc/kernel/pci-dma.c +++ b/arch/parisc/kernel/pci-dma.c @@ -478,14 +478,16 @@ static void pa11_dma_unmap_single(struct device *dev, dma_addr_t dma_handle, siz static int pa11_dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents, enum dma_data_direction direction) { int i; + struct scatterlist *sg; BUG_ON(direction == DMA_NONE); - for (i = 0; i < nents; i++, sglist++ ) { - unsigned long vaddr = (unsigned long)sg_virt(sglist); - sg_dma_address(sglist) = (dma_addr_t) virt_to_phys(vaddr); - sg_dma_len(sglist) = sglist->length; - flush_kernel_dcache_range(vaddr, sglist->length); + for_each_sg(sglist, sg, nents, i) { + unsigned long vaddr = (unsigned long)sg_virt(sg); + + sg_dma_address(sg) = (dma_addr_t) virt_to_phys(vaddr); + sg_dma_len(sg) = sg->length; + flush_kernel_dcache_range(vaddr, sg->length); } return nents; } @@ -493,6 +495,7 @@ static int pa11_dma_map_sg(struct device *dev, struct scatterlist *sglist, int n static void pa11_dma_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents, enum dma_data_direction direction) { int i; + struct scatterlist *sg; BUG_ON(direction == DMA_NONE); @@ -501,8 +504,8 @@ static void pa11_dma_unmap_sg(struct device *dev, struct scatterlist *sglist, in /* once we do combining we'll need to use phys_to_virt(sg_dma_address(sglist)) */ - for (i = 0; i < nents; i++, sglist++ ) - flush_kernel_vmap_range(sg_virt(sglist), sglist->length); + for_each_sg(sglist, sg, nents, i) + flush_kernel_vmap_range(sg_virt(sg), sg->length); return; } @@ -523,21 +526,23 @@ static void pa11_dma_sync_single_for_device(struct device *dev, dma_addr_t dma_h static void pa11_dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sglist, int nents, enum dma_data_direction direction) { int i; + struct scatterlist *sg; /* once we do combining we'll need to use phys_to_virt(sg_dma_address(sglist)) */ - for (i = 0; i < nents; i++, sglist++ ) - flush_kernel_vmap_range(sg_virt(sglist), sglist->length); + for_each_sg(sglist, sg, nents, i) + flush_kernel_vmap_range(sg_virt(sg), sg->length); } static void pa11_dma_sync_sg_for_device(struct device *dev, struct scatterlist *sglist, int nents, enum dma_data_direction direction) { int i; + struct scatterlist *sg; /* once we do combining we'll need to use phys_to_virt(sg_dma_address(sglist)) */ - for (i = 0; i < nents; i++, sglist++ ) - flush_kernel_vmap_range(sg_virt(sglist), sglist->length); + for_each_sg(sglist, sg, nents, i) + flush_kernel_vmap_range(sg_virt(sg), sg->length); } struct hppa_dma_ops pcxl_dma_ops = { diff --git a/arch/parisc/kernel/pdc_cons.c b/arch/parisc/kernel/pdc_cons.c index d5cae5519..10a5ae955 100644 --- a/arch/parisc/kernel/pdc_cons.c +++ b/arch/parisc/kernel/pdc_cons.c @@ -207,8 +207,7 @@ static int __init pdc_console_tty_driver_init(void) return 0; } - -module_init(pdc_console_tty_driver_init); +device_initcall(pdc_console_tty_driver_init); static struct tty_driver * pdc_console_device (struct console *c, int *index) { diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c index ba0c053e2..518f4f5f1 100644 --- a/arch/parisc/kernel/perf.c +++ b/arch/parisc/kernel/perf.c @@ -543,6 +543,7 @@ static int __init perf_init(void) return 0; } +device_initcall(perf_init); /* * perf_start_counters(void) @@ -847,5 +848,3 @@ printk("perf_rdr_write\n"); } printk("perf_rdr_write done\n"); } - -module_init(perf_init); diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index 7f67c4c96..b99b39f1d 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -26,9 +26,9 @@ #include #include #include +#include #include -#include #include #include #include @@ -796,7 +796,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs) * unless pagefault_disable() was called before. */ - if (fault_space == 0 && !in_atomic()) + if (fault_space == 0 && !faulthandler_disabled()) { pdc_chassis_send_status(PDC_CHASSIS_DIRECT_PANIC); parisc_terminate("Kernel Fault", regs, code, fault_address); diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c index e5120e653..15503addd 100644 --- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -15,8 +15,8 @@ #include #include #include +#include -#include #include /* Various important other fields */ @@ -207,7 +207,7 @@ void do_page_fault(struct pt_regs *regs, unsigned long code, int fault; unsigned int flags; - if (in_atomic()) + if (pagefault_disabled()) goto no_context; tsk = current; -- cgit v1.2.3