diff options
Diffstat (limited to 'arch/powerpc')
-rw-r--r-- | arch/powerpc/kernel/cputable.c | 4 | ||||
-rw-r--r-- | arch/powerpc/kernel/pmc.c | 6 | ||||
-rw-r--r-- | arch/powerpc/kernel/smp.c | 34 | ||||
-rw-r--r-- | arch/powerpc/kernel/vmlinux.lds.S | 1 | ||||
-rw-r--r-- | arch/powerpc/mm/mem.c | 9 |
5 files changed, 30 insertions, 24 deletions
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 6ef87fb90b8e..b2b5d664d328 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -235,6 +235,7 @@ static struct cpu_spec cpu_specs[] = { .icache_bsize = 128, .dcache_bsize = 128, .num_pmcs = 8, + .pmc_type = PPC_PMC_IBM, .cpu_setup = __setup_cpu_ppc970, .cpu_restore = __restore_cpu_ppc970, .oprofile_cpu_type = "ppc64/970MP", @@ -251,6 +252,7 @@ static struct cpu_spec cpu_specs[] = { .icache_bsize = 128, .dcache_bsize = 128, .num_pmcs = 8, + .pmc_type = PPC_PMC_IBM, .cpu_setup = __setup_cpu_ppc970MP, .cpu_restore = __restore_cpu_ppc970, .oprofile_cpu_type = "ppc64/970MP", @@ -317,6 +319,7 @@ static struct cpu_spec cpu_specs[] = { .icache_bsize = 128, .dcache_bsize = 128, .num_pmcs = 6, + .pmc_type = PPC_PMC_IBM, .oprofile_cpu_type = "ppc64/power6", .oprofile_type = PPC_OPROFILE_POWER4, .oprofile_mmcra_sihv = POWER6_MMCRA_SIHV, @@ -335,6 +338,7 @@ static struct cpu_spec cpu_specs[] = { .icache_bsize = 128, .dcache_bsize = 128, .num_pmcs = 6, + .pmc_type = PPC_PMC_IBM, .oprofile_cpu_type = "ppc64/power6", .oprofile_type = PPC_OPROFILE_POWER4, .oprofile_mmcra_sihv = POWER6_MMCRA_SIHV, diff --git a/arch/powerpc/kernel/pmc.c b/arch/powerpc/kernel/pmc.c index 24d7b7c99bb9..ea04e0ab3f2f 100644 --- a/arch/powerpc/kernel/pmc.c +++ b/arch/powerpc/kernel/pmc.c @@ -20,8 +20,8 @@ #include <asm/cputable.h> #include <asm/pmc.h> -#ifndef MMCR0_PMA0 -#define MMCR0_PMA0 0 +#ifndef MMCR0_PMAO +#define MMCR0_PMAO 0 #endif static void dummy_perf(struct pt_regs *regs) @@ -30,7 +30,7 @@ static void dummy_perf(struct pt_regs *regs) mtpmr(PMRN_PMGC0, mfpmr(PMRN_PMGC0) & ~PMGC0_PMIE); #elif defined(CONFIG_PPC64) || defined(CONFIG_6xx) if (cur_cpu_spec->pmc_type == PPC_PMC_IBM) - mtspr(SPRN_MMCR0, mfspr(SPRN_MMCR0) & ~(MMCR0_PMXE|MMCR0_PMA0)); + mtspr(SPRN_MMCR0, mfspr(SPRN_MMCR0) & ~(MMCR0_PMXE|MMCR0_PMAO)); #else mtspr(SPRN_MMCR0, mfspr(SPRN_MMCR0) & ~MMCR0_PMXE); #endif diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 22f1ef1b3100..d577b71db375 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -201,13 +201,6 @@ int smp_call_function_map(void (*func) (void *info), void *info, int nonatomic, /* Can deadlock when called with interrupts disabled */ WARN_ON(irqs_disabled()); - /* remove 'self' from the map */ - if (cpu_isset(smp_processor_id(), map)) - cpu_clear(smp_processor_id(), map); - - /* sanity check the map, remove any non-online processors. */ - cpus_and(map, map, cpu_online_map); - if (unlikely(smp_ops == NULL)) return ret; @@ -222,10 +215,17 @@ int smp_call_function_map(void (*func) (void *info), void *info, int nonatomic, /* Must grab online cpu count with preempt disabled, otherwise * it can change. */ num_cpus = num_online_cpus() - 1; - if (!num_cpus || cpus_empty(map)) { - ret = 0; - goto out; - } + if (!num_cpus) + goto done; + + /* remove 'self' from the map */ + if (cpu_isset(smp_processor_id(), map)) + cpu_clear(smp_processor_id(), map); + + /* sanity check the map, remove any non-online processors. */ + cpus_and(map, map, cpu_online_map); + if (cpus_empty(map)) + goto done; call_data = &data; smp_wmb(); @@ -263,6 +263,7 @@ int smp_call_function_map(void (*func) (void *info), void *info, int nonatomic, } } + done: ret = 0; out: @@ -282,16 +283,17 @@ EXPORT_SYMBOL(smp_call_function); int smp_call_function_single(int cpu, void (*func) (void *info), void *info, int nonatomic, int wait) { - cpumask_t map=CPU_MASK_NONE; + cpumask_t map = CPU_MASK_NONE; + int ret = -EBUSY; if (!cpu_online(cpu)) return -EINVAL; - if (cpu == smp_processor_id()) - return -EBUSY; - cpu_set(cpu, map); - return smp_call_function_map(func,info,nonatomic,wait,map); + if (cpu != get_cpu()) + ret = smp_call_function_map(func,info,nonatomic,wait,map); + put_cpu(); + return ret; } EXPORT_SYMBOL(smp_call_function_single); diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index f7d7bf19e4fb..21c39ff2dc39 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -34,7 +34,6 @@ SECTIONS /* Text and gots */ .text : { _text = .; - *(.text.*) TEXT_TEXT SCHED_TEXT LOCK_TEXT diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 246eeea40ece..0266a94d83b6 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -310,11 +310,12 @@ void __init paging_init(void) #ifdef CONFIG_HIGHMEM map_page(PKMAP_BASE, 0, 0); /* XXX gross */ - pkmap_page_table = pte_offset_kernel(pmd_offset(pgd_offset_k - (PKMAP_BASE), PKMAP_BASE), PKMAP_BASE); + pkmap_page_table = pte_offset_kernel(pmd_offset(pud_offset(pgd_offset_k + (PKMAP_BASE), PKMAP_BASE), PKMAP_BASE), PKMAP_BASE); map_page(KMAP_FIX_BEGIN, 0, 0); /* XXX gross */ - kmap_pte = pte_offset_kernel(pmd_offset(pgd_offset_k - (KMAP_FIX_BEGIN), KMAP_FIX_BEGIN), KMAP_FIX_BEGIN); + kmap_pte = pte_offset_kernel(pmd_offset(pud_offset(pgd_offset_k + (KMAP_FIX_BEGIN), KMAP_FIX_BEGIN), KMAP_FIX_BEGIN), + KMAP_FIX_BEGIN); kmap_prot = PAGE_KERNEL; #endif /* CONFIG_HIGHMEM */ |