diff options
Diffstat (limited to 'arch/i386/kernel/cpu')
| -rw-r--r-- | arch/i386/kernel/cpu/mtrr/cyrix.c | 4 | ||||
| -rw-r--r-- | arch/i386/kernel/cpu/mtrr/generic.c | 8 | ||||
| -rw-r--r-- | arch/i386/kernel/cpu/perfctr-watchdog.c | 35 |
3 files changed, 37 insertions, 10 deletions
diff --git a/arch/i386/kernel/cpu/mtrr/cyrix.c b/arch/i386/kernel/cpu/mtrr/cyrix.c index 9edf5625584f..1001f1e0fe6d 100644 --- a/arch/i386/kernel/cpu/mtrr/cyrix.c +++ b/arch/i386/kernel/cpu/mtrr/cyrix.c @@ -233,12 +233,12 @@ typedef struct { mtrr_type type; } arr_state_t; -static arr_state_t arr_state[8] __devinitdata = { +static arr_state_t arr_state[8] = { {0UL, 0UL, 0UL}, {0UL, 0UL, 0UL}, {0UL, 0UL, 0UL}, {0UL, 0UL, 0UL}, {0UL, 0UL, 0UL}, {0UL, 0UL, 0UL}, {0UL, 0UL, 0UL}, {0UL, 0UL, 0UL} }; -static unsigned char ccr_state[7] __devinitdata = { 0, 0, 0, 0, 0, 0, 0 }; +static unsigned char ccr_state[7] = { 0, 0, 0, 0, 0, 0, 0 }; static void cyrix_set_all(void) { diff --git a/arch/i386/kernel/cpu/mtrr/generic.c b/arch/i386/kernel/cpu/mtrr/generic.c index 6d5937891b46..f6e46943e6ef 100644 --- a/arch/i386/kernel/cpu/mtrr/generic.c +++ b/arch/i386/kernel/cpu/mtrr/generic.c @@ -65,7 +65,8 @@ get_fixed_ranges(mtrr_type * frs) void mtrr_save_fixed_ranges(void *info) { - get_fixed_ranges(mtrr_state.fixed_ranges); + if (cpu_has_mtrr) + get_fixed_ranges(mtrr_state.fixed_ranges); } static void print_fixed(unsigned base, unsigned step, const mtrr_type*types) @@ -469,11 +470,6 @@ int generic_validate_add_page(unsigned long base, unsigned long size, unsigned i } } - if (base < 0x100) { - printk(KERN_WARNING "mtrr: cannot set region below 1 MiB (0x%lx000,0x%lx000)\n", - base, size); - return -EINVAL; - } /* Check upper bits of base and last are equal and lower bits are 0 for base and 1 for last */ last = base + size - 1; diff --git a/arch/i386/kernel/cpu/perfctr-watchdog.c b/arch/i386/kernel/cpu/perfctr-watchdog.c index f0b67630b90d..4d26d514c56f 100644 --- a/arch/i386/kernel/cpu/perfctr-watchdog.c +++ b/arch/i386/kernel/cpu/perfctr-watchdog.c @@ -55,14 +55,45 @@ static DEFINE_PER_CPU(struct nmi_watchdog_ctlblk, nmi_watchdog_ctlblk); /* converts an msr to an appropriate reservation bit */ static inline unsigned int nmi_perfctr_msr_to_bit(unsigned int msr) { - return wd_ops ? msr - wd_ops->perfctr : 0; + /* returns the bit offset of the performance counter register */ + switch (boot_cpu_data.x86_vendor) { + case X86_VENDOR_AMD: + return (msr - MSR_K7_PERFCTR0); + case X86_VENDOR_INTEL: + if (cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON)) + return (msr - MSR_ARCH_PERFMON_PERFCTR0); + + switch (boot_cpu_data.x86) { + case 6: + return (msr - MSR_P6_PERFCTR0); + case 15: + return (msr - MSR_P4_BPU_PERFCTR0); + } + } + return 0; } /* converts an msr to an appropriate reservation bit */ /* returns the bit offset of the event selection register */ static inline unsigned int nmi_evntsel_msr_to_bit(unsigned int msr) { - return wd_ops ? msr - wd_ops->evntsel : 0; + /* returns the bit offset of the event selection register */ + switch (boot_cpu_data.x86_vendor) { + case X86_VENDOR_AMD: + return (msr - MSR_K7_EVNTSEL0); + case X86_VENDOR_INTEL: + if (cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON)) + return (msr - MSR_ARCH_PERFMON_EVENTSEL0); + + switch (boot_cpu_data.x86) { + case 6: + return (msr - MSR_P6_EVNTSEL0); + case 15: + return (msr - MSR_P4_BSU_ESCR0); + } + } + return 0; + } /* checks for a bit availability (hack for oprofile) */ |
