diff options
Diffstat (limited to 'arch/x86_64/kernel')
| -rw-r--r-- | arch/x86_64/kernel/e820.c | 3 | ||||
| -rw-r--r-- | arch/x86_64/kernel/io_apic.c | 9 | ||||
| -rw-r--r-- | arch/x86_64/kernel/mce.c | 2 | ||||
| -rw-r--r-- | arch/x86_64/kernel/nmi.c | 8 | ||||
| -rw-r--r-- | arch/x86_64/kernel/setup.c | 15 | ||||
| -rw-r--r-- | arch/x86_64/kernel/x8664_ksyms.c | 4 |
6 files changed, 23 insertions, 18 deletions
diff --git a/arch/x86_64/kernel/e820.c b/arch/x86_64/kernel/e820.c index eb7929eea7b..ab3f87aaff7 100644 --- a/arch/x86_64/kernel/e820.c +++ b/arch/x86_64/kernel/e820.c @@ -17,6 +17,8 @@ #include <linux/ioport.h> #include <linux/string.h> #include <linux/kexec.h> +#include <linux/module.h> + #include <asm/page.h> #include <asm/e820.h> #include <asm/proto.h> @@ -28,6 +30,7 @@ extern char _end[]; * PFN of last memory page. */ unsigned long end_pfn; +EXPORT_SYMBOL(end_pfn); /* * end_pfn only includes RAM, while end_pfn_map includes all e820 entries. diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c index 522944a000a..c8eee20cd51 100644 --- a/arch/x86_64/kernel/io_apic.c +++ b/arch/x86_64/kernel/io_apic.c @@ -299,15 +299,6 @@ void __init check_ioapic(void) #endif /* RED-PEN skip them on mptables too? */ return; - case PCI_VENDOR_ID_ATI: - /* All timer interrupts on atiixp - are doubled. Disable one. */ - if (disable_timer_pin_1 == 0) { - disable_timer_pin_1 = 1; - printk(KERN_INFO - "ATI board detected. Disabling timer pin 1.\n"); - } - return; } /* No multi-function device? */ diff --git a/arch/x86_64/kernel/mce.c b/arch/x86_64/kernel/mce.c index 969365c0771..08203b07f4b 100644 --- a/arch/x86_64/kernel/mce.c +++ b/arch/x86_64/kernel/mce.c @@ -217,7 +217,7 @@ void do_machine_check(struct pt_regs * regs, long error_code) panicm_found = 1; } - tainted |= TAINT_MACHINE_CHECK; + add_taint(TAINT_MACHINE_CHECK); } /* Never do anything final in the polling timer */ diff --git a/arch/x86_64/kernel/nmi.c b/arch/x86_64/kernel/nmi.c index 4388b8a5bae..39d445e16f2 100644 --- a/arch/x86_64/kernel/nmi.c +++ b/arch/x86_64/kernel/nmi.c @@ -366,7 +366,7 @@ static void setup_k7_watchdog(void) | K7_NMI_EVENT; wrmsr(MSR_K7_EVNTSEL0, evntsel, 0); - wrmsr(MSR_K7_PERFCTR0, -(cpu_khz/nmi_hz*1000), -1); + wrmsrl(MSR_K7_PERFCTR0, -((u64)cpu_khz * 1000 / nmi_hz)); apic_write(APIC_LVTPC, APIC_DM_NMI); evntsel |= K7_EVNTSEL_ENABLE; wrmsr(MSR_K7_EVNTSEL0, evntsel, 0); @@ -407,8 +407,8 @@ static int setup_p4_watchdog(void) wrmsr(MSR_P4_CRU_ESCR0, P4_NMI_CRU_ESCR0, 0); wrmsr(MSR_P4_IQ_CCCR0, P4_NMI_IQ_CCCR0 & ~P4_CCCR_ENABLE, 0); - Dprintk("setting P4_IQ_COUNTER0 to 0x%08lx\n", -(cpu_khz/nmi_hz*1000)); - wrmsr(MSR_P4_IQ_COUNTER0, -(cpu_khz/nmi_hz*1000), -1); + Dprintk("setting P4_IQ_COUNTER0 to 0x%08lx\n", -(cpu_khz * 1000UL / nmi_hz)); + wrmsrl(MSR_P4_IQ_COUNTER0, -((u64)cpu_khz * 1000 / nmi_hz)); apic_write(APIC_LVTPC, APIC_DM_NMI); wrmsr(MSR_P4_IQ_CCCR0, nmi_p4_cccr_val, 0); return 1; @@ -506,7 +506,7 @@ void nmi_watchdog_tick (struct pt_regs * regs, unsigned reason) wrmsr(MSR_P4_IQ_CCCR0, nmi_p4_cccr_val, 0); apic_write(APIC_LVTPC, APIC_DM_NMI); } - wrmsr(nmi_perfctr_msr, -(cpu_khz/nmi_hz*1000), -1); + wrmsrl(nmi_perfctr_msr, -((u64)cpu_khz * 1000 / nmi_hz)); } } diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c index 351d8d64c2f..238f73e1a83 100644 --- a/arch/x86_64/kernel/setup.c +++ b/arch/x86_64/kernel/setup.c @@ -831,11 +831,26 @@ static void __init amd_detect_cmp(struct cpuinfo_x86 *c) #endif } +#define HWCR 0xc0010015 + static int __init init_amd(struct cpuinfo_x86 *c) { int r; int level; +#ifdef CONFIG_SMP + unsigned long value; + + // Disable TLB flush filter by setting HWCR.FFDIS: + // bit 6 of msr C001_0015 + // + // Errata 63 for SH-B3 steppings + // Errata 122 for all(?) steppings + rdmsrl(HWCR, value); + value |= 1 << 6; + wrmsrl(HWCR, value); +#endif + /* Bit 31 in normal CPUID used for nonstandard 3DNow ID; 3DNow is IDd by bit 31 in extended CPUID (1*32+31) anyway */ clear_bit(0*32+31, &c->x86_capability); diff --git a/arch/x86_64/kernel/x8664_ksyms.c b/arch/x86_64/kernel/x8664_ksyms.c index 68ec03070e5..fd99ddd009b 100644 --- a/arch/x86_64/kernel/x8664_ksyms.c +++ b/arch/x86_64/kernel/x8664_ksyms.c @@ -178,10 +178,6 @@ EXPORT_SYMBOL(rwsem_down_write_failed_thunk); EXPORT_SYMBOL(empty_zero_page); -#ifdef CONFIG_HAVE_DEC_LOCK -EXPORT_SYMBOL(_atomic_dec_and_lock); -#endif - EXPORT_SYMBOL(die_chain); EXPORT_SYMBOL(register_die_notifier); |