diff options
Diffstat (limited to 'arch/parisc/kernel')
| -rw-r--r-- | arch/parisc/kernel/binfmt_elf32.c | 11 | ||||
| -rw-r--r-- | arch/parisc/kernel/drivers.c | 2 | ||||
| -rw-r--r-- | arch/parisc/kernel/pci-dma.c | 4 | ||||
| -rw-r--r-- | arch/parisc/kernel/setup.c | 2 | ||||
| -rw-r--r-- | arch/parisc/kernel/time.c | 23 |
5 files changed, 27 insertions, 15 deletions
diff --git a/arch/parisc/kernel/binfmt_elf32.c b/arch/parisc/kernel/binfmt_elf32.c index 00dc66f9c2ba..f2adcf33f8f2 100644 --- a/arch/parisc/kernel/binfmt_elf32.c +++ b/arch/parisc/kernel/binfmt_elf32.c @@ -91,14 +91,7 @@ struct elf_prpsinfo32 current->thread.map_base = DEFAULT_MAP_BASE32; \ current->thread.task_size = DEFAULT_TASK_SIZE32 \ -#undef cputime_to_timeval -#define cputime_to_timeval cputime_to_compat_timeval -static __inline__ void -cputime_to_compat_timeval(const cputime_t cputime, struct compat_timeval *value) -{ - unsigned long jiffies = cputime_to_jiffies(cputime); - value->tv_usec = (jiffies % HZ) * (1000000L / HZ); - value->tv_sec = jiffies / HZ; -} +#undef ns_to_timeval +#define ns_to_timeval ns_to_compat_timeval #include "../../../fs/binfmt_elf.c" diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c index 700e2d2da096..fa78419100c8 100644 --- a/arch/parisc/kernel/drivers.c +++ b/arch/parisc/kernel/drivers.c @@ -40,7 +40,7 @@ #include <asm/parisc-device.h> /* See comments in include/asm-parisc/pci.h */ -struct dma_map_ops *hppa_dma_ops __read_mostly; +const struct dma_map_ops *hppa_dma_ops __read_mostly; EXPORT_SYMBOL(hppa_dma_ops); static struct device root = { diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c index 697c53543a4d..5f0067a62738 100644 --- a/arch/parisc/kernel/pci-dma.c +++ b/arch/parisc/kernel/pci-dma.c @@ -572,7 +572,7 @@ static void pa11_dma_sync_sg_for_device(struct device *dev, struct scatterlist * flush_kernel_vmap_range(sg_virt(sg), sg->length); } -struct dma_map_ops pcxl_dma_ops = { +const struct dma_map_ops pcxl_dma_ops = { .dma_supported = pa11_dma_supported, .alloc = pa11_dma_alloc, .free = pa11_dma_free, @@ -608,7 +608,7 @@ static void pcx_dma_free(struct device *dev, size_t size, void *vaddr, return; } -struct dma_map_ops pcx_dma_ops = { +const struct dma_map_ops pcx_dma_ops = { .dma_supported = pa11_dma_supported, .alloc = pcx_dma_alloc, .free = pcx_dma_free, diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c index 2e66a887788e..068ed3607bac 100644 --- a/arch/parisc/kernel/setup.c +++ b/arch/parisc/kernel/setup.c @@ -36,6 +36,7 @@ #undef PCI_DEBUG #include <linux/proc_fs.h> #include <linux/export.h> +#include <linux/sched.h> #include <asm/processor.h> #include <asm/sections.h> @@ -176,6 +177,7 @@ void __init setup_arch(char **cmdline_p) conswitchp = &dummy_con; /* we use do_take_over_console() later ! */ #endif + clear_sched_clock_stable(); } /* diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c index da0d9cb63403..1e22f981cd81 100644 --- a/arch/parisc/kernel/time.c +++ b/arch/parisc/kernel/time.c @@ -235,9 +235,26 @@ void __init time_init(void) cr16_hz = 100 * PAGE0->mem_10msec; /* Hz */ - /* register at clocksource framework */ - clocksource_register_hz(&clocksource_cr16, cr16_hz); - /* register as sched_clock source */ sched_clock_register(read_cr16_sched_clock, BITS_PER_LONG, cr16_hz); } + +static int __init init_cr16_clocksource(void) +{ + /* + * The cr16 interval timers are not syncronized across CPUs, so mark + * them unstable and lower rating on SMP systems. + */ + if (num_online_cpus() > 1) { + clocksource_cr16.flags = CLOCK_SOURCE_UNSTABLE; + clocksource_cr16.rating = 0; + } + + /* register at clocksource framework */ + clocksource_register_hz(&clocksource_cr16, + 100 * PAGE0->mem_10msec); + + return 0; +} + +device_initcall(init_cr16_clocksource); |
