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author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-09-05 18:22:45 +0400 |
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committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-09-05 18:22:45 +0400 |
commit | 593d0a3e9f813db910dc50574532914db21d09ff (patch) | |
tree | 12d8413ee57b4383ca8c906996ffe02be6d377a5 /arch/x86/kernel/cpu/common.c | |
parent | 50e900417b8096939d12a46848f965e27a905e36 (diff) | |
parent | 4cb38750d49010ae72e718d46605ac9ba5a851b4 (diff) | |
download | linux-593d0a3e9f813db910dc50574532914db21d09ff.tar.xz |
Merge commit '4cb38750d49010ae72e718d46605ac9ba5a851b4' into stable/for-linus-3.6
* commit '4cb38750d49010ae72e718d46605ac9ba5a851b4': (6849 commits)
bcma: fix invalid PMU chip control masks
[libata] pata_cmd64x: whitespace cleanup
libata-acpi: fix up for acpi_pm_device_sleep_state API
sata_dwc_460ex: device tree may specify dma_channel
ahci, trivial: fixed coding style issues related to braces
ahci_platform: add hibernation callbacks
libata-eh.c: local functions should not be exposed globally
libata-transport.c: local functions should not be exposed globally
sata_dwc_460ex: support hardreset
ata: use module_pci_driver
drivers/ata/pata_pcmcia.c: adjust suspicious bit operation
pata_imx: Convert to clk_prepare_enable/clk_disable_unprepare
ahci: Enable SB600 64bit DMA on MSI K9AGM2 (MS-7327) v2
[libata] Prevent interface errors with Seagate FreeAgent GoFlex
drivers/acpi/glue: revert accidental license-related 6b66d95895c bits
libata-acpi: add missing inlines in libata.h
i2c-omap: Add support for I2C_M_STOP message flag
i2c: Fall back to emulated SMBus if the operation isn't supported natively
i2c: Add SCCB support
i2c-tiny-usb: Add support for the Robofuzz OSIF USB/I2C converter
...
Diffstat (limited to 'arch/x86/kernel/cpu/common.c')
-rw-r--r-- | arch/x86/kernel/cpu/common.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 6b9333b429ba..46d8786d655e 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -452,6 +452,35 @@ void __cpuinit cpu_detect_cache_sizes(struct cpuinfo_x86 *c) c->x86_cache_size = l2size; } +u16 __read_mostly tlb_lli_4k[NR_INFO]; +u16 __read_mostly tlb_lli_2m[NR_INFO]; +u16 __read_mostly tlb_lli_4m[NR_INFO]; +u16 __read_mostly tlb_lld_4k[NR_INFO]; +u16 __read_mostly tlb_lld_2m[NR_INFO]; +u16 __read_mostly tlb_lld_4m[NR_INFO]; + +/* + * tlb_flushall_shift shows the balance point in replacing cr3 write + * with multiple 'invlpg'. It will do this replacement when + * flush_tlb_lines <= active_lines/2^tlb_flushall_shift. + * If tlb_flushall_shift is -1, means the replacement will be disabled. + */ +s8 __read_mostly tlb_flushall_shift = -1; + +void __cpuinit cpu_detect_tlb(struct cpuinfo_x86 *c) +{ + if (this_cpu->c_detect_tlb) + this_cpu->c_detect_tlb(c); + + printk(KERN_INFO "Last level iTLB entries: 4KB %d, 2MB %d, 4MB %d\n" \ + "Last level dTLB entries: 4KB %d, 2MB %d, 4MB %d\n" \ + "tlb_flushall_shift is 0x%x\n", + tlb_lli_4k[ENTRIES], tlb_lli_2m[ENTRIES], + tlb_lli_4m[ENTRIES], tlb_lld_4k[ENTRIES], + tlb_lld_2m[ENTRIES], tlb_lld_4m[ENTRIES], + tlb_flushall_shift); +} + void __cpuinit detect_ht(struct cpuinfo_x86 *c) { #ifdef CONFIG_X86_HT @@ -911,6 +940,8 @@ void __init identify_boot_cpu(void) #else vgetcpu_set_mode(); #endif + if (boot_cpu_data.cpuid_level >= 2) + cpu_detect_tlb(&boot_cpu_data); } void __cpuinit identify_secondary_cpu(struct cpuinfo_x86 *c) @@ -947,7 +978,7 @@ static void __cpuinit __print_cpu_msr(void) index_max = msr_range_array[i].max; for (index = index_min; index < index_max; index++) { - if (rdmsrl_amd_safe(index, &val)) + if (rdmsrl_safe(index, &val)) continue; printk(KERN_INFO " MSR%08x: %016llx\n", index, val); } |