diff options
Diffstat (limited to 'arch/sparc')
35 files changed, 80 insertions, 38 deletions
diff --git a/arch/sparc/include/asm/checksum_32.h b/arch/sparc/include/asm/checksum_32.h index eff748c871ec..e25af5fc99fd 100644 --- a/arch/sparc/include/asm/checksum_32.h +++ b/arch/sparc/include/asm/checksum_32.h @@ -16,7 +16,7 @@ */ #include <linux/in6.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> /* computes the checksum of a memory block at buff, length len, * and adds in "sum" (32-bit) diff --git a/arch/sparc/include/asm/checksum_64.h b/arch/sparc/include/asm/checksum_64.h index 0395d75322e9..96a5ed58cea6 100644 --- a/arch/sparc/include/asm/checksum_64.h +++ b/arch/sparc/include/asm/checksum_64.h @@ -16,7 +16,7 @@ */ #include <linux/in6.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> /* computes the checksum of a memory block at buff, length len, * and adds in "sum" (32-bit) diff --git a/arch/sparc/kernel/apc.c b/arch/sparc/kernel/apc.c index 742f6c4436bf..9ebc37e7d64c 100644 --- a/arch/sparc/kernel/apc.c +++ b/arch/sparc/kernel/apc.c @@ -17,7 +17,7 @@ #include <asm/io.h> #include <asm/oplib.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/auxio.h> #include <asm/apc.h> #include <asm/processor.h> diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c index 852a3291db96..9df997995f6b 100644 --- a/arch/sparc/kernel/iommu.c +++ b/arch/sparc/kernel/iommu.c @@ -415,7 +415,7 @@ static void dma_4u_unmap_page(struct device *dev, dma_addr_t bus_addr, ctx = (iopte_val(*base) & IOPTE_CONTEXT) >> 47UL; /* Step 1: Kick data out of streaming buffers if necessary. */ - if (strbuf->strbuf_enabled) + if (strbuf->strbuf_enabled && !(attrs & DMA_ATTR_SKIP_CPU_SYNC)) strbuf_flush(strbuf, iommu, bus_addr, ctx, npages, direction); @@ -640,7 +640,7 @@ static void dma_4u_unmap_sg(struct device *dev, struct scatterlist *sglist, base = iommu->page_table + entry; dma_handle &= IO_PAGE_MASK; - if (strbuf->strbuf_enabled) + if (strbuf->strbuf_enabled && !(attrs & DMA_ATTR_SKIP_CPU_SYNC)) strbuf_flush(strbuf, iommu, dma_handle, ctx, npages, direction); diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c index 2344103414d1..6ffaec44931a 100644 --- a/arch/sparc/kernel/ioport.c +++ b/arch/sparc/kernel/ioport.c @@ -527,7 +527,7 @@ static dma_addr_t pci32_map_page(struct device *dev, struct page *page, static void pci32_unmap_page(struct device *dev, dma_addr_t ba, size_t size, enum dma_data_direction dir, unsigned long attrs) { - if (dir != PCI_DMA_TODEVICE) + if (dir != PCI_DMA_TODEVICE && !(attrs & DMA_ATTR_SKIP_CPU_SYNC)) dma_make_coherent(ba, PAGE_ALIGN(size)); } @@ -572,7 +572,7 @@ static void pci32_unmap_sg(struct device *dev, struct scatterlist *sgl, struct scatterlist *sg; int n; - if (dir != PCI_DMA_TODEVICE) { + if (dir != PCI_DMA_TODEVICE && !(attrs & DMA_ATTR_SKIP_CPU_SYNC)) { for_each_sg(sgl, sg, nents, n) { dma_make_coherent(sg_phys(sg), PAGE_ALIGN(sg->length)); } diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c index 34a7930b76ef..3bebf395252c 100644 --- a/arch/sparc/kernel/irq_64.c +++ b/arch/sparc/kernel/irq_64.c @@ -35,7 +35,7 @@ #include <asm/timer.h> #include <asm/smp.h> #include <asm/starfire.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/cache.h> #include <asm/cpudata.h> #include <asm/auxio.h> diff --git a/arch/sparc/kernel/kprobes.c b/arch/sparc/kernel/kprobes.c index b0377db12d83..2d13a4fc0384 100644 --- a/arch/sparc/kernel/kprobes.c +++ b/arch/sparc/kernel/kprobes.c @@ -11,7 +11,7 @@ #include <linux/context_tracking.h> #include <asm/signal.h> #include <asm/cacheflush.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> /* We do not have hardware single-stepping on sparc64. * So we implement software single-stepping with breakpoint diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c index 8a6982dfd733..c0765bbf60ea 100644 --- a/arch/sparc/kernel/mdesc.c +++ b/arch/sparc/kernel/mdesc.c @@ -17,7 +17,7 @@ #include <asm/hypervisor.h> #include <asm/mdesc.h> #include <asm/prom.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/oplib.h> #include <asm/smp.h> diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c index a9973bb4a1b2..95e73c63c99d 100644 --- a/arch/sparc/kernel/nmi.c +++ b/arch/sparc/kernel/nmi.c @@ -42,7 +42,7 @@ static int panic_on_timeout; */ atomic_t nmi_active = ATOMIC_INIT(0); /* oprofile uses this */ EXPORT_SYMBOL(nmi_active); - +static int nmi_init_done; static unsigned int nmi_hz = HZ; static DEFINE_PER_CPU(short, wd_enabled); static int endflag __initdata; @@ -153,6 +153,8 @@ static void report_broken_nmi(int cpu, int *prev_nmi_count) void stop_nmi_watchdog(void *unused) { + if (!__this_cpu_read(wd_enabled)) + return; pcr_ops->write_pcr(0, pcr_ops->pcr_nmi_disable); __this_cpu_write(wd_enabled, 0); atomic_dec(&nmi_active); @@ -207,6 +209,9 @@ error: void start_nmi_watchdog(void *unused) { + if (__this_cpu_read(wd_enabled)) + return; + __this_cpu_write(wd_enabled, 1); atomic_inc(&nmi_active); @@ -259,6 +264,8 @@ int __init nmi_init(void) } } + nmi_init_done = 1; + return err; } @@ -270,3 +277,38 @@ static int __init setup_nmi_watchdog(char *str) return 0; } __setup("nmi_watchdog=", setup_nmi_watchdog); + +/* + * sparc specific NMI watchdog enable function. + * Enables watchdog if it is not enabled already. + */ +int watchdog_nmi_enable(unsigned int cpu) +{ + if (atomic_read(&nmi_active) == -1) { + pr_warn("NMI watchdog cannot be enabled or disabled\n"); + return -1; + } + + /* + * watchdog thread could start even before nmi_init is called. + * Just Return in that case. Let nmi_init finish the init + * process first. + */ + if (!nmi_init_done) + return 0; + + smp_call_function_single(cpu, start_nmi_watchdog, NULL, 1); + + return 0; +} +/* + * sparc specific NMI watchdog disable function. + * Disables watchdog if it is not disabled already. + */ +void watchdog_nmi_disable(unsigned int cpu) +{ + if (atomic_read(&nmi_active) == -1) + pr_warn_once("NMI watchdog cannot be enabled or disabled\n"); + else + smp_call_function_single(cpu, stop_nmi_watchdog, NULL, 1); +} diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index 9c1878f4fa9f..015e55a7495d 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -21,7 +21,7 @@ #include <linux/of.h> #include <linux/of_device.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/pgtable.h> #include <asm/irq.h> #include <asm/prom.h> diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c index 24384e1dc33d..a38787b84322 100644 --- a/arch/sparc/kernel/pcic.c +++ b/arch/sparc/kernel/pcic.c @@ -33,7 +33,7 @@ #include <asm/pcic.h> #include <asm/timex.h> #include <asm/timer.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/irq_regs.h> #include "kernel.h" diff --git a/arch/sparc/kernel/pmc.c b/arch/sparc/kernel/pmc.c index 97d123107ecb..f12b23f7b515 100644 --- a/arch/sparc/kernel/pmc.c +++ b/arch/sparc/kernel/pmc.c @@ -15,7 +15,7 @@ #include <asm/io.h> #include <asm/oplib.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/auxio.h> #include <asm/processor.h> diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c index b7780a5bef11..48ffc3e7d1dd 100644 --- a/arch/sparc/kernel/process_32.c +++ b/arch/sparc/kernel/process_32.c @@ -28,7 +28,7 @@ #include <asm/auxio.h> #include <asm/oplib.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/page.h> #include <asm/pgalloc.h> #include <asm/pgtable.h> diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c index 47ff5588e521..d249ca10b203 100644 --- a/arch/sparc/kernel/process_64.c +++ b/arch/sparc/kernel/process_64.c @@ -33,7 +33,7 @@ #include <linux/nmi.h> #include <linux/context_tracking.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/page.h> #include <asm/pgalloc.h> #include <asm/pgtable.h> diff --git a/arch/sparc/kernel/ptrace_32.c b/arch/sparc/kernel/ptrace_32.c index a331fdc11a2c..eca3dc76793c 100644 --- a/arch/sparc/kernel/ptrace_32.c +++ b/arch/sparc/kernel/ptrace_32.c @@ -23,7 +23,7 @@ #include <linux/tracehook.h> #include <asm/pgtable.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/cacheflush.h> #include "kernel.h" diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c index 96494b2ef41f..901063c1cf7e 100644 --- a/arch/sparc/kernel/ptrace_64.c +++ b/arch/sparc/kernel/ptrace_64.c @@ -31,7 +31,7 @@ #include <asm/asi.h> #include <asm/pgtable.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/psrcompat.h> #include <asm/visasm.h> #include <asm/spitfire.h> diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c index 91cc2f4ae4d9..b4096bb665b2 100644 --- a/arch/sparc/kernel/signal32.c +++ b/arch/sparc/kernel/signal32.c @@ -21,7 +21,7 @@ #include <linux/bitops.h> #include <linux/tracehook.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/ptrace.h> #include <asm/pgtable.h> #include <asm/psrcompat.h> diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c index 9c0c8fd0b292..62c3e255ae7c 100644 --- a/arch/sparc/kernel/signal_32.c +++ b/arch/sparc/kernel/signal_32.c @@ -20,7 +20,7 @@ #include <linux/bitops.h> #include <linux/tracehook.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/ptrace.h> #include <asm/pgalloc.h> #include <asm/pgtable.h> diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c index c782c9b716db..965d50e833e7 100644 --- a/arch/sparc/kernel/signal_64.c +++ b/arch/sparc/kernel/signal_64.c @@ -25,7 +25,7 @@ #include <linux/bitops.h> #include <linux/context_tracking.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/ptrace.h> #include <asm/pgtable.h> #include <asm/fpumacro.h> diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c index 8182f7caf5b1..0ce347f8e4cc 100644 --- a/arch/sparc/kernel/smp_64.c +++ b/arch/sparc/kernel/smp_64.c @@ -43,7 +43,7 @@ #include <asm/page.h> #include <asm/pgtable.h> #include <asm/oplib.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/starfire.h> #include <asm/tlb.h> #include <asm/sections.h> diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c index 022c30c72ebd..bca44f3e6b86 100644 --- a/arch/sparc/kernel/sys_sparc32.c +++ b/arch/sparc/kernel/sys_sparc32.c @@ -44,7 +44,7 @@ #include <linux/slab.h> #include <asm/types.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/fpumacro.h> #include <asm/mmu_context.h> #include <asm/compat_signal.h> diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c index 646988d4c1a3..fb7b185ee941 100644 --- a/arch/sparc/kernel/sys_sparc_32.c +++ b/arch/sparc/kernel/sys_sparc_32.c @@ -21,7 +21,7 @@ #include <linux/smp.h> #include <linux/ipc.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/unistd.h> #include "systbls.h" diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c index fe8b8ee8e660..884c70331345 100644 --- a/arch/sparc/kernel/sys_sparc_64.c +++ b/arch/sparc/kernel/sys_sparc_64.c @@ -26,7 +26,7 @@ #include <linux/export.h> #include <linux/context_tracking.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/utrap.h> #include <asm/unistd.h> diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c index 1affabc96b08..244062bdaa56 100644 --- a/arch/sparc/kernel/time_32.c +++ b/arch/sparc/kernel/time_32.c @@ -148,7 +148,7 @@ static unsigned int sbus_cycles_offset(void) return offset; } -static cycle_t timer_cs_read(struct clocksource *cs) +static u64 timer_cs_read(struct clocksource *cs) { unsigned int seq, offset; u64 cycles; diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c index c69b21e51efc..12a6d3555cb8 100644 --- a/arch/sparc/kernel/time_64.c +++ b/arch/sparc/kernel/time_64.c @@ -45,7 +45,7 @@ #include <asm/smp.h> #include <asm/sections.h> #include <asm/cpudata.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/irq_regs.h> #include "entry.h" @@ -770,7 +770,7 @@ void udelay(unsigned long usecs) } EXPORT_SYMBOL(udelay); -static cycle_t clocksource_tick_read(struct clocksource *cs) +static u64 clocksource_tick_read(struct clocksource *cs) { return tick_ops->get_tick(); } diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c index 496fa926e1e0..4bc10e44d1ca 100644 --- a/arch/sparc/kernel/traps_64.c +++ b/arch/sparc/kernel/traps_64.c @@ -29,7 +29,7 @@ #include <asm/page.h> #include <asm/pgtable.h> #include <asm/unistd.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/fpumacro.h> #include <asm/lsu.h> #include <asm/dcu.h> diff --git a/arch/sparc/kernel/unaligned_32.c b/arch/sparc/kernel/unaligned_32.c index 32b61d1b6379..d20d4e3fd129 100644 --- a/arch/sparc/kernel/unaligned_32.c +++ b/arch/sparc/kernel/unaligned_32.c @@ -12,7 +12,7 @@ #include <linux/mm.h> #include <asm/ptrace.h> #include <asm/processor.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <linux/smp.h> #include <linux/perf_event.h> diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c index 52c00d90d4b4..cda7fd367c4f 100644 --- a/arch/sparc/kernel/unaligned_64.c +++ b/arch/sparc/kernel/unaligned_64.c @@ -16,7 +16,7 @@ #include <asm/ptrace.h> #include <asm/pstate.h> #include <asm/processor.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <linux/smp.h> #include <linux/bitops.h> #include <linux/perf_event.h> diff --git a/arch/sparc/kernel/uprobes.c b/arch/sparc/kernel/uprobes.c index b68314050602..d852ae56ddc1 100644 --- a/arch/sparc/kernel/uprobes.c +++ b/arch/sparc/kernel/uprobes.c @@ -29,7 +29,7 @@ #include <linux/kdebug.h> #include <asm/cacheflush.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> /* Compute the address of the breakpoint instruction and return it. * diff --git a/arch/sparc/kernel/visemul.c b/arch/sparc/kernel/visemul.c index c096c624ac4d..c4ac58e483a4 100644 --- a/arch/sparc/kernel/visemul.c +++ b/arch/sparc/kernel/visemul.c @@ -10,7 +10,7 @@ #include <asm/ptrace.h> #include <asm/pstate.h> #include <asm/fpumacro.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/cacheflush.h> /* OPF field of various VIS instructions. */ diff --git a/arch/sparc/kernel/windows.c b/arch/sparc/kernel/windows.c index 87bab0a3857a..435a467b0595 100644 --- a/arch/sparc/kernel/windows.c +++ b/arch/sparc/kernel/windows.c @@ -11,7 +11,7 @@ #include <linux/smp.h> #include <asm/cacheflush.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include "kernel.h" diff --git a/arch/sparc/math-emu/math_32.c b/arch/sparc/math-emu/math_32.c index 5ce8f2f64604..4d7e0fff054f 100644 --- a/arch/sparc/math-emu/math_32.c +++ b/arch/sparc/math-emu/math_32.c @@ -68,7 +68,7 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/perf_event.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include "sfp-util_32.h" #include <math-emu/soft-fp.h> diff --git a/arch/sparc/math-emu/math_64.c b/arch/sparc/math-emu/math_64.c index 034aadbff036..9647051853d3 100644 --- a/arch/sparc/math-emu/math_64.c +++ b/arch/sparc/math-emu/math_64.c @@ -15,7 +15,7 @@ #include <asm/fpumacro.h> #include <asm/ptrace.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/cacheflush.h> #include "sfp-util_64.h" diff --git a/arch/sparc/mm/extable.c b/arch/sparc/mm/extable.c index a61c349448e1..768a11e6bd4f 100644 --- a/arch/sparc/mm/extable.c +++ b/arch/sparc/mm/extable.c @@ -3,7 +3,7 @@ */ #include <linux/module.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> void sort_extable(struct exception_table_entry *start, struct exception_table_entry *finish) diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index 37aa537b3ad8..5d2f91511c60 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -35,7 +35,7 @@ #include <asm/oplib.h> #include <asm/iommu.h> #include <asm/io.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include <asm/mmu_context.h> #include <asm/tlbflush.h> #include <asm/dma.h> |