diff options
Diffstat (limited to 'arch/i386')
-rw-r--r-- | arch/i386/kernel/alternative.c | 21 | ||||
-rw-r--r-- | arch/i386/kernel/cpu/cpufreq/longhaul.c | 2 | ||||
-rw-r--r-- | arch/i386/kernel/nmi.c | 17 | ||||
-rw-r--r-- | arch/i386/kernel/vmi.c | 9 | ||||
-rw-r--r-- | arch/i386/kernel/vmlinux.lds.S | 2 |
5 files changed, 19 insertions, 32 deletions
diff --git a/arch/i386/kernel/alternative.c b/arch/i386/kernel/alternative.c index 9eca21b49f6b..426f59b0106b 100644 --- a/arch/i386/kernel/alternative.c +++ b/arch/i386/kernel/alternative.c @@ -5,15 +5,9 @@ #include <asm/alternative.h> #include <asm/sections.h> -static int no_replacement = 0; static int smp_alt_once = 0; static int debug_alternative = 0; -static int __init noreplacement_setup(char *s) -{ - no_replacement = 1; - return 1; -} static int __init bootonly(char *str) { smp_alt_once = 1; @@ -25,7 +19,6 @@ static int __init debug_alt(char *str) return 1; } -__setup("noreplacement", noreplacement_setup); __setup("smp-alt-boot", bootonly); __setup("debug-alternative", debug_alt); @@ -252,9 +245,6 @@ void alternatives_smp_module_add(struct module *mod, char *name, struct smp_alt_module *smp; unsigned long flags; - if (no_replacement) - return; - if (smp_alt_once) { if (boot_cpu_has(X86_FEATURE_UP)) alternatives_smp_unlock(locks, locks_end, @@ -289,7 +279,7 @@ void alternatives_smp_module_del(struct module *mod) struct smp_alt_module *item; unsigned long flags; - if (no_replacement || smp_alt_once) + if (smp_alt_once) return; spin_lock_irqsave(&smp_alt, flags); @@ -320,7 +310,7 @@ void alternatives_smp_switch(int smp) return; #endif - if (no_replacement || smp_alt_once) + if (smp_alt_once) return; BUG_ON(!smp && (num_online_cpus() > 1)); @@ -386,13 +376,6 @@ extern struct paravirt_patch __start_parainstructions[], void __init alternative_instructions(void) { unsigned long flags; - if (no_replacement) { - printk(KERN_INFO "(SMP-)alternatives turned off\n"); - free_init_pages("SMP alternatives", - (unsigned long)__smp_alt_begin, - (unsigned long)__smp_alt_end); - return; - } local_irq_save(flags); apply_alternatives(__alt_instructions, __alt_instructions_end); diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.c b/arch/i386/kernel/cpu/cpufreq/longhaul.c index a1f1b715bcf8..2b030d6ccbf7 100644 --- a/arch/i386/kernel/cpu/cpufreq/longhaul.c +++ b/arch/i386/kernel/cpu/cpufreq/longhaul.c @@ -758,7 +758,7 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy) NULL, (void *)&pr); /* Check ACPI support for C3 state */ - if (pr != NULL && longhaul_version != TYPE_LONGHAUL_V1) { + if (pr != NULL && longhaul_version == TYPE_POWERSAVER) { cx = &pr->power.states[ACPI_STATE_C3]; if (cx->address > 0 && cx->latency <= 1000) { longhaul_flags |= USE_ACPI_C3; diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c index a98ba88a8c0c..84c3497efb60 100644 --- a/arch/i386/kernel/nmi.c +++ b/arch/i386/kernel/nmi.c @@ -41,16 +41,17 @@ int nmi_watchdog_enabled; * different subsystems this reservation system just tries to coordinate * things a little */ -static DEFINE_PER_CPU(unsigned long, perfctr_nmi_owner); -static DEFINE_PER_CPU(unsigned long, evntsel_nmi_owner[3]); - -static cpumask_t backtrace_mask = CPU_MASK_NONE; /* this number is calculated from Intel's MSR_P4_CRU_ESCR5 register and it's * offset from MSR_P4_BSU_ESCR0. It will be the max for all platforms (for now) */ #define NMI_MAX_COUNTER_BITS 66 +#define NMI_MAX_COUNTER_LONGS BITS_TO_LONGS(NMI_MAX_COUNTER_BITS) +static DEFINE_PER_CPU(unsigned long, perfctr_nmi_owner[NMI_MAX_COUNTER_LONGS]); +static DEFINE_PER_CPU(unsigned long, evntsel_nmi_owner[NMI_MAX_COUNTER_LONGS]); + +static cpumask_t backtrace_mask = CPU_MASK_NONE; /* nmi_active: * >0: the lapic NMI watchdog is active, but can be disabled * <0: the lapic NMI watchdog has not been set up, and cannot @@ -125,7 +126,7 @@ int avail_to_resrv_perfctr_nmi_bit(unsigned int counter) int cpu; BUG_ON(counter > NMI_MAX_COUNTER_BITS); for_each_possible_cpu (cpu) { - if (test_bit(counter, &per_cpu(perfctr_nmi_owner, cpu))) + if (test_bit(counter, &per_cpu(perfctr_nmi_owner, cpu)[0])) return 0; } return 1; @@ -141,7 +142,7 @@ int avail_to_resrv_perfctr_nmi(unsigned int msr) BUG_ON(counter > NMI_MAX_COUNTER_BITS); for_each_possible_cpu (cpu) { - if (test_bit(counter, &per_cpu(perfctr_nmi_owner, cpu))) + if (test_bit(counter, &per_cpu(perfctr_nmi_owner, cpu)[0])) return 0; } return 1; @@ -156,7 +157,7 @@ static int __reserve_perfctr_nmi(int cpu, unsigned int msr) counter = nmi_perfctr_msr_to_bit(msr); BUG_ON(counter > NMI_MAX_COUNTER_BITS); - if (!test_and_set_bit(counter, &per_cpu(perfctr_nmi_owner, cpu))) + if (!test_and_set_bit(counter, &per_cpu(perfctr_nmi_owner, cpu)[0])) return 1; return 0; } @@ -170,7 +171,7 @@ static void __release_perfctr_nmi(int cpu, unsigned int msr) counter = nmi_perfctr_msr_to_bit(msr); BUG_ON(counter > NMI_MAX_COUNTER_BITS); - clear_bit(counter, &per_cpu(perfctr_nmi_owner, cpu)); + clear_bit(counter, &per_cpu(perfctr_nmi_owner, cpu)[0]); } int reserve_perfctr_nmi(unsigned int msr) diff --git a/arch/i386/kernel/vmi.c b/arch/i386/kernel/vmi.c index edc339fa5038..697a70e8c0c9 100644 --- a/arch/i386/kernel/vmi.c +++ b/arch/i386/kernel/vmi.c @@ -712,11 +712,14 @@ static void *vmi_get_function(int vmicall) do { \ reloc = call_vrom_long_func(vmi_rom, get_reloc, \ VMI_CALL_##vmicall); \ - if (rel->type != VMI_RELOCATION_NONE) { \ - BUG_ON(rel->type != VMI_RELOCATION_CALL_REL); \ + if (rel->type == VMI_RELOCATION_CALL_REL) \ paravirt_ops.opname = (void *)rel->eip; \ - } else if (rel->type == VMI_RELOCATION_NOP) \ + else if (rel->type == VMI_RELOCATION_NOP) \ paravirt_ops.opname = (void *)vmi_nop; \ + else if (rel->type != VMI_RELOCATION_NONE) \ + printk(KERN_WARNING "VMI: Unknown relocation " \ + "type %d for " #vmicall"\n",\ + rel->type); \ } while (0) /* diff --git a/arch/i386/kernel/vmlinux.lds.S b/arch/i386/kernel/vmlinux.lds.S index ca51610955df..6f38f818380b 100644 --- a/arch/i386/kernel/vmlinux.lds.S +++ b/arch/i386/kernel/vmlinux.lds.S @@ -26,7 +26,7 @@ OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386") OUTPUT_ARCH(i386) ENTRY(phys_startup_32) jiffies = jiffies_64; -_proxy_pda = 0; +_proxy_pda = 1; PHDRS { text PT_LOAD FLAGS(5); /* R_E */ |