diff options
Diffstat (limited to 'arch/x86_64')
| -rw-r--r-- | arch/x86_64/defconfig | 16 | ||||
| -rw-r--r-- | arch/x86_64/ia32/ia32_aout.c | 4 | ||||
| -rw-r--r-- | arch/x86_64/kernel/pci-calgary.c | 11 | ||||
| -rw-r--r-- | arch/x86_64/kernel/time.c | 25 |
4 files changed, 43 insertions, 13 deletions
diff --git a/arch/x86_64/defconfig b/arch/x86_64/defconfig index 9cc7c21547a..69584c29530 100644 --- a/arch/x86_64/defconfig +++ b/arch/x86_64/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.19-git14 -# Sat Dec 9 21:23:09 2006 +# Linux kernel version: 2.6.20-rc3 +# Fri Jan 5 11:54:41 2007 # CONFIG_X86_64=y CONFIG_64BIT=y @@ -1056,6 +1056,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_LM92 is not set # CONFIG_SENSORS_MAX1619 is not set # CONFIG_SENSORS_PC87360 is not set +# CONFIG_SENSORS_PC87427 is not set # CONFIG_SENSORS_SIS5595 is not set # CONFIG_SENSORS_SMSC47M1 is not set # CONFIG_SENSORS_SMSC47M192 is not set @@ -1066,6 +1067,7 @@ CONFIG_SENSORS_SMSC47B397=m # CONFIG_SENSORS_W83781D is not set # CONFIG_SENSORS_W83791D is not set # CONFIG_SENSORS_W83792D is not set +# CONFIG_SENSORS_W83793 is not set # CONFIG_SENSORS_W83L785TS is not set # CONFIG_SENSORS_W83627HF is not set # CONFIG_SENSORS_W83627EHF is not set @@ -1311,6 +1313,11 @@ CONFIG_USB_MON=y # # +# Virtualization +# +# CONFIG_KVM is not set + +# # Firmware Drivers # # CONFIG_EDD is not set @@ -1502,6 +1509,8 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y # CONFIG_ENABLE_MUST_CHECK is not set CONFIG_MAGIC_SYSRQ=y CONFIG_UNUSED_SYMBOLS=y +CONFIG_DEBUG_FS=y +# CONFIG_HEADERS_CHECK is not set CONFIG_DEBUG_KERNEL=y CONFIG_LOG_BUF_SHIFT=18 CONFIG_DETECT_SOFTLOCKUP=y @@ -1519,12 +1528,10 @@ CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_DEBUG_KOBJECT is not set CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_INFO is not set -CONFIG_DEBUG_FS=y # CONFIG_DEBUG_VM is not set # CONFIG_DEBUG_LIST is not set # CONFIG_FRAME_POINTER is not set # CONFIG_FORCED_INLINING is not set -# CONFIG_HEADERS_CHECK is not set # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_LKDTM is not set # CONFIG_DEBUG_RODATA is not set @@ -1553,3 +1560,4 @@ CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set CONFIG_ZLIB_INFLATE=y CONFIG_PLIST=y +CONFIG_IOMAP_COPY=y diff --git a/arch/x86_64/ia32/ia32_aout.c b/arch/x86_64/ia32/ia32_aout.c index be87df506f3..fe83edb93c1 100644 --- a/arch/x86_64/ia32/ia32_aout.c +++ b/arch/x86_64/ia32/ia32_aout.c @@ -241,7 +241,7 @@ static u32 __user *create_aout_tables(char __user *p, struct linux_binprm *bprm) get_user(c,p++); } while (c); } - put_user(NULL,argv); + put_user(0, argv); current->mm->arg_end = current->mm->env_start = (unsigned long) p; while (envc-->0) { char c; @@ -250,7 +250,7 @@ static u32 __user *create_aout_tables(char __user *p, struct linux_binprm *bprm) get_user(c,p++); } while (c); } - put_user(NULL,envp); + put_user(0, envp); current->mm->env_end = (unsigned long) p; return sp; } diff --git a/arch/x86_64/kernel/pci-calgary.c b/arch/x86_64/kernel/pci-calgary.c index 87d90cb68a7..3d65b1d4c2b 100644 --- a/arch/x86_64/kernel/pci-calgary.c +++ b/arch/x86_64/kernel/pci-calgary.c @@ -1068,6 +1068,8 @@ void __init detect_calgary(void) if (!early_pci_allowed()) return; + printk(KERN_DEBUG "Calgary: detecting Calgary via BIOS EBDA area\n"); + ptr = (unsigned long)phys_to_virt(get_bios_ebda()); rio_table_hdr = NULL; @@ -1088,14 +1090,14 @@ void __init detect_calgary(void) offset = *((unsigned short *)(ptr + offset)); } if (!rio_table_hdr) { - printk(KERN_ERR "Calgary: Unable to locate " - "Rio Grande Table in EBDA - bailing!\n"); + printk(KERN_DEBUG "Calgary: Unable to locate Rio Grande table " + "in EBDA - bailing!\n"); return; } ret = build_detail_arrays(); if (ret) { - printk(KERN_ERR "Calgary: build_detail_arrays ret %d\n", ret); + printk(KERN_DEBUG "Calgary: build_detail_arrays ret %d\n", ret); return; } @@ -1128,6 +1130,9 @@ void __init detect_calgary(void) } } + printk(KERN_DEBUG "Calgary: finished detection, Calgary %s\n", + calgary_found ? "found" : "not found"); + if (calgary_found) { iommu_detected = 1; calgary_detected = 1; diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c index 9f05bc9b2da..5cc76d0d331 100644 --- a/arch/x86_64/kernel/time.c +++ b/arch/x86_64/kernel/time.c @@ -656,6 +656,25 @@ core_initcall(cpufreq_tsc); */ #define TICK_COUNT 100000000 +#define TICK_MIN 5000 + +/* + * Some platforms take periodic SMI interrupts with 5ms duration. Make sure none + * occurs between the reads of the hpet & TSC. + */ +static void __init read_hpet_tsc(int *hpet, int *tsc) +{ + int tsc1, tsc2, hpet1; + + do { + tsc1 = get_cycles_sync(); + hpet1 = hpet_readl(HPET_COUNTER); + tsc2 = get_cycles_sync(); + } while (tsc2 - tsc1 > TICK_MIN); + *hpet = hpet1; + *tsc = tsc2; +} + static unsigned int __init hpet_calibrate_tsc(void) { @@ -666,13 +685,11 @@ static unsigned int __init hpet_calibrate_tsc(void) local_irq_save(flags); local_irq_disable(); - hpet_start = hpet_readl(HPET_COUNTER); - rdtscl(tsc_start); + read_hpet_tsc(&hpet_start, &tsc_start); do { local_irq_disable(); - hpet_now = hpet_readl(HPET_COUNTER); - tsc_now = get_cycles_sync(); + read_hpet_tsc(&hpet_now, &tsc_now); local_irq_restore(flags); } while ((tsc_now - tsc_start) < TICK_COUNT && (hpet_now - hpet_start) < TICK_COUNT); |