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| author | Ingo Molnar <mingo@elte.hu> | 2008-09-05 17:53:05 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-05 17:53:05 +0200 |
| commit | 28c3cfd5fb998bd3683bebeebbba38baa2101cad (patch) | |
| tree | 3d325023e6dc56baa6c69fc59dd55bf37ef7967e /arch/x86 | |
| parent | 04197c83b3e05546d1003cfa3ff43f1639c0057f (diff) | |
| parent | b380b0d4f7dffcc235c0facefa537d4655619101 (diff) | |
| download | linux-28c3cfd5fb998bd3683bebeebbba38baa2101cad.tar.gz linux-28c3cfd5fb998bd3683bebeebbba38baa2101cad.tar.bz2 linux-28c3cfd5fb998bd3683bebeebbba38baa2101cad.zip | |
Merge branch 'linus' into x86/tracehook
Diffstat (limited to 'arch/x86')
68 files changed, 1217 insertions, 702 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 2206787b1157..ebfd7ff82ade 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -578,35 +578,29 @@ config SWIOTLB config IOMMU_HELPER def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU) + config MAXSMP bool "Configure Maximum number of SMP Processors and NUMA Nodes" - depends on X86_64 && SMP + depends on X86_64 && SMP && BROKEN default n help Configure maximum number of CPUS and NUMA Nodes for this architecture. If unsure, say N. -if MAXSMP -config NR_CPUS - int - default "4096" -endif - -if !MAXSMP config NR_CPUS - int "Maximum number of CPUs (2-4096)" - range 2 4096 + int "Maximum number of CPUs (2-512)" if !MAXSMP + range 2 512 depends on SMP + default "4096" if MAXSMP default "32" if X86_NUMAQ || X86_SUMMIT || X86_BIGSMP || X86_ES7000 default "8" help This allows you to specify the maximum number of CPUs which this - kernel will support. The maximum supported value is 4096 and the + kernel will support. The maximum supported value is 512 and the minimum value which makes sense is 2. This is purely to save memory - each supported CPU adds approximately eight kilobytes to the kernel image. -endif config SCHED_SMT bool "SMT (Hyperthreading) scheduler support" @@ -952,9 +946,9 @@ config NUMA local memory controller of the CPU and add some more NUMA awareness to the kernel. - For i386 this is currently highly experimental and should be only + For 32-bit this is currently highly experimental and should be only used for kernel development. It might also cause boot failures. - For x86_64 this is recommended on all multiprocessor Opteron systems. + For 64-bit this is recommended on all multiprocessor Opteron systems. If the system is EM64T, you should say N unless your system is EM64T NUMA. @@ -997,17 +991,10 @@ config NUMA_EMU into virtual nodes when booted with "numa=fake=N", where N is the number of nodes. This is only useful for debugging. -if MAXSMP - config NODES_SHIFT - int - default "9" -endif - -if !MAXSMP -config NODES_SHIFT - int "Maximum NUMA Nodes (as a power of 2)" + int "Maximum NUMA Nodes (as a power of 2)" if !MAXSMP range 1 9 if X86_64 + default "9" if MAXSMP default "6" if X86_64 default "4" if X86_NUMAQ default "3" @@ -1015,7 +1002,6 @@ config NODES_SHIFT help Specify the maximum number of NUMA Nodes available on the target system. Increases memory reserved to accomodate various tables. -endif config HAVE_ARCH_BOOTMEM_NODE def_bool y @@ -1264,7 +1250,7 @@ config KEXEC strongly in flux, so no good recommendation can be made. config CRASH_DUMP - bool "kernel crash dumps (EXPERIMENTAL)" + bool "kernel crash dumps" depends on X86_64 || (X86_32 && HIGHMEM) help Generate crash dump after being started by kexec. diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h index a34b9982c7cb..cc0ef13fba7a 100644 --- a/arch/x86/boot/boot.h +++ b/arch/x86/boot/boot.h @@ -24,10 +24,14 @@ #include <linux/edd.h> #include <asm/boot.h> #include <asm/setup.h> +#include "bitops.h" +#include <asm/cpufeature.h> /* Useful macros */ #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)])) +#define ARRAY_SIZE(x) (sizeof(x) / sizeof(*(x))) + extern struct setup_header hdr; extern struct boot_params boot_params; @@ -242,6 +246,12 @@ int cmdline_find_option(const char *option, char *buffer, int bufsize); int cmdline_find_option_bool(const char *option); /* cpu.c, cpucheck.c */ +struct cpu_features { + int level; /* Family, or 64 for x86-64 */ + int model; + u32 flags[NCAPINTS]; +}; +extern struct cpu_features cpu; int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr); int validate_cpu(void); diff --git a/arch/x86/boot/cpu.c b/arch/x86/boot/cpu.c index 92d6fd73dc7d..75298fe2edca 100644 --- a/arch/x86/boot/cpu.c +++ b/arch/x86/boot/cpu.c @@ -16,9 +16,6 @@ */ #include "boot.h" -#include "bitops.h" -#include <asm/cpufeature.h> - #include "cpustr.h" static char *cpu_name(int level) diff --git a/arch/x86/boot/cpucheck.c b/arch/x86/boot/cpucheck.c index 7804389ee005..4b9ae7c56748 100644 --- a/arch/x86/boot/cpucheck.c +++ b/arch/x86/boot/cpucheck.c @@ -22,21 +22,13 @@ #ifdef _SETUP # include "boot.h" -# include "bitops.h" #endif #include <linux/types.h> -#include <asm/cpufeature.h> #include <asm/processor-flags.h> #include <asm/required-features.h> #include <asm/msr-index.h> -struct cpu_features { - int level; /* Family, or 64 for x86-64 */ - int model; - u32 flags[NCAPINTS]; -}; - -static struct cpu_features cpu; +struct cpu_features cpu; static u32 cpu_vendor[3]; static u32 err_flags[NCAPINTS]; diff --git a/arch/x86/boot/main.c b/arch/x86/boot/main.c index 2296164b54d2..197421db1af1 100644 --- a/arch/x86/boot/main.c +++ b/arch/x86/boot/main.c @@ -73,6 +73,11 @@ static void keyboard_set_repeat(void) */ static void query_ist(void) { + /* Some older BIOSes apparently crash on this call, so filter + it from machines too old to have SpeedStep at all. */ + if (cpu.level < 6) + return; + asm("int $0x15" : "=a" (boot_params.ist_info.signature), "=b" (boot_params.ist_info.command), diff --git a/arch/x86/boot/memory.c b/arch/x86/boot/memory.c index 53165c97336b..8c3c25f35578 100644 --- a/arch/x86/boot/memory.c +++ b/arch/x86/boot/memory.c @@ -13,7 +13,6 @@ */ #include "boot.h" -#include <linux/kernel.h> #define SMAP 0x534d4150 /* ASCII "SMAP" */ diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig index 4d73f53287b6..104275e191a8 100644 --- a/arch/x86/configs/i386_defconfig +++ b/arch/x86/configs/i386_defconfig @@ -1,13 +1,13 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.26-rc1 -# Sun May 4 19:59:02 2008 +# Linux kernel version: 2.6.27-rc4 +# Mon Aug 25 15:04:00 2008 # # CONFIG_64BIT is not set CONFIG_X86_32=y # CONFIG_X86_64 is not set CONFIG_X86=y -CONFIG_DEFCONFIG_LIST="arch/x86/configs/i386_defconfig" +CONFIG_ARCH_DEFCONFIG="arch/x86/configs/i386_defconfig" # CONFIG_GENERIC_LOCKBREAK is not set CONFIG_GENERIC_TIME=y CONFIG_GENERIC_CMOS_UPDATE=y @@ -53,6 +53,7 @@ CONFIG_X86_HT=y CONFIG_X86_BIOS_REBOOT=y CONFIG_X86_TRAMPOLINE=y CONFIG_KTIME_SCALAR=y +CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # # General setup @@ -82,6 +83,7 @@ CONFIG_CGROUPS=y CONFIG_CGROUP_NS=y # CONFIG_CGROUP_DEVICE is not set CONFIG_CPUSETS=y +CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y CONFIG_GROUP_SCHED=y CONFIG_FAIR_GROUP_SCHED=y # CONFIG_RT_GROUP_SCHED is not set @@ -105,7 +107,6 @@ CONFIG_SYSCTL=y # CONFIG_EMBEDDED is not set CONFIG_UID16=y CONFIG_SYSCTL_SYSCALL=y -CONFIG_SYSCTL_SYSCALL_CHECK=y CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y CONFIG_KALLSYMS_EXTRA_PASS=y @@ -113,6 +114,7 @@ CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_ELF_CORE=y +CONFIG_PCSPKR_PLATFORM=y # CONFIG_COMPAT_BRK is not set CONFIG_BASE_FULL=y CONFIG_FUTEX=y @@ -132,27 +134,35 @@ CONFIG_MARKERS=y # CONFIG_OPROFILE is not set CONFIG_HAVE_OPROFILE=y CONFIG_KPROBES=y +CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y CONFIG_KRETPROBES=y +CONFIG_HAVE_IOREMAP_PROT=y CONFIG_HAVE_KPROBES=y CONFIG_HAVE_KRETPROBES=y +# CONFIG_HAVE_ARCH_TRACEHOOK is not set # CONFIG_HAVE_DMA_ATTRS is not set +CONFIG_USE_GENERIC_SMP_HELPERS=y +# CONFIG_HAVE_CLK is not set CONFIG_PROC_PAGE_MONITOR=y +CONFIG_HAVE_GENERIC_DMA_COHERENT=y CONFIG_SLABINFO=y CONFIG_RT_MUTEXES=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 CONFIG_MODULES=y +# CONFIG_MODULE_FORCE_LOAD is not set CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set -# CONFIG_KMOD is not set +CONFIG_KMOD=y CONFIG_STOP_MACHINE=y CONFIG_BLOCK=y # CONFIG_LBD is not set CONFIG_BLK_DEV_IO_TRACE=y # CONFIG_LSF is not set CONFIG_BLK_DEV_BSG=y +# CONFIG_BLK_DEV_INTEGRITY is not set # # IO Schedulers @@ -176,19 +186,17 @@ CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y CONFIG_GENERIC_CLOCKEVENTS_BUILD=y CONFIG_SMP=y +CONFIG_X86_FIND_SMP_CONFIG=y +CONFIG_X86_MPPARSE=y CONFIG_X86_PC=y # CONFIG_X86_ELAN is not set # CONFIG_X86_VOYAGER is not set -# CONFIG_X86_NUMAQ is not set -# CONFIG_X86_SUMMIT is not set -# CONFIG_X86_BIGSMP is not set -# CONFIG_X86_VISWS is not set # CONFIG_X86_GENERICARCH is not set -# CONFIG_X86_ES7000 is not set -# CONFIG_X86_RDC321X is not set # CONFIG_X86_VSMP is not set +# CONFIG_X86_RDC321X is not set CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y # CONFIG_PARAVIRT_GUEST is not set +# CONFIG_MEMTEST is not set # CONFIG_M386 is not set # CONFIG_M486 is not set # CONFIG_M586 is not set @@ -215,21 +223,19 @@ CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y # CONFIG_MPSC is not set CONFIG_MCORE2=y # CONFIG_GENERIC_CPU is not set -# CONFIG_X86_GENERIC is not set +CONFIG_X86_GENERIC=y CONFIG_X86_CPU=y CONFIG_X86_CMPXCHG=y -CONFIG_X86_L1_CACHE_SHIFT=6 +CONFIG_X86_L1_CACHE_SHIFT=7 CONFIG_X86_XADD=y CONFIG_X86_WP_WORKS_OK=y CONFIG_X86_INVLPG=y CONFIG_X86_BSWAP=y CONFIG_X86_POPAD_OK=y -CONFIG_X86_GOOD_APIC=y CONFIG_X86_INTEL_USERCOPY=y CONFIG_X86_USE_PPRO_CHECKSUM=y -CONFIG_X86_P6_NOP=y CONFIG_X86_TSC=y -CONFIG_X86_MINIMUM_CPU_FAMILY=6 +CONFIG_X86_MINIMUM_CPU_FAMILY=4 CONFIG_X86_DEBUGCTLMSR=y CONFIG_HPET_TIMER=y CONFIG_HPET_EMULATE_RTC=y @@ -247,7 +253,7 @@ CONFIG_X86_IO_APIC=y CONFIG_VM86=y # CONFIG_TOSHIBA is not set # CONFIG_I8K is not set -# CONFIG_X86_REBOOTFIXUPS is not set +CONFIG_X86_REBOOTFIXUPS=y # CONFIG_MICROCODE is not set CONFIG_X86_MSR=y CONFIG_X86_CPUID=y @@ -256,32 +262,28 @@ CONFIG_HIGHMEM4G=y # CONFIG_HIGHMEM64G is not set CONFIG_PAGE_OFFSET=0xC0000000 CONFIG_HIGHMEM=y -CONFIG_NEED_NODE_MEMMAP_SIZE=y CONFIG_ARCH_FLATMEM_ENABLE=y CONFIG_ARCH_SPARSEMEM_ENABLE=y CONFIG_ARCH_SELECT_MEMORY_MODEL=y CONFIG_SELECT_MEMORY_MODEL=y -# CONFIG_FLATMEM_MANUAL is not set +CONFIG_FLATMEM_MANUAL=y # CONFIG_DISCONTIGMEM_MANUAL is not set -CONFIG_SPARSEMEM_MANUAL=y -CONFIG_SPARSEMEM=y -CONFIG_HAVE_MEMORY_PRESENT=y +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y CONFIG_SPARSEMEM_STATIC=y # CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set - -# -# Memory hotplug is currently incompatible with Software Suspend -# CONFIG_PAGEFLAGS_EXTENDED=y CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_RESOURCES_64BIT=y CONFIG_ZONE_DMA_FLAG=1 CONFIG_BOUNCE=y CONFIG_VIRT_TO_BUS=y -# CONFIG_HIGHPTE is not set +CONFIG_HIGHPTE=y # CONFIG_MATH_EMULATION is not set CONFIG_MTRR=y -# CONFIG_X86_PAT is not set +# CONFIG_MTRR_SANITIZER is not set +CONFIG_X86_PAT=y CONFIG_EFI=y # CONFIG_IRQBALANCE is not set CONFIG_SECCOMP=y @@ -293,6 +295,7 @@ CONFIG_HZ=1000 CONFIG_SCHED_HRTICK=y CONFIG_KEXEC=y CONFIG_CRASH_DUMP=y +# CONFIG_KEXEC_JUMP is not set CONFIG_PHYSICAL_START=0x1000000 CONFIG_RELOCATABLE=y CONFIG_PHYSICAL_ALIGN=0x200000 @@ -312,6 +315,7 @@ CONFIG_PM_TRACE_RTC=y CONFIG_PM_SLEEP_SMP=y CONFIG_PM_SLEEP=y CONFIG_SUSPEND=y +# CONFIG_PM_TEST_SUSPEND is not set CONFIG_SUSPEND_FREEZER=y CONFIG_HIBERNATION=y CONFIG_PM_STD_PARTITION="" @@ -337,6 +341,7 @@ CONFIG_ACPI_THERMAL=y CONFIG_ACPI_BLACKLIST_YEAR=0 # CONFIG_ACPI_DEBUG is not set CONFIG_ACPI_EC=y +# CONFIG_ACPI_PCI_SLOT is not set CONFIG_ACPI_POWER=y CONFIG_ACPI_SYSTEM=y CONFIG_X86_PM_TIMER=y @@ -395,8 +400,8 @@ CONFIG_PCI=y # CONFIG_PCI_GOBIOS is not set # CONFIG_PCI_GOMMCONFIG is not set # CONFIG_PCI_GODIRECT is not set -CONFIG_PCI_GOANY=y # CONFIG_PCI_GOOLPC is not set +CONFIG_PCI_GOANY=y CONFIG_PCI_BIOS=y CONFIG_PCI_DIRECT=y CONFIG_PCI_MMCONFIG=y @@ -448,10 +453,6 @@ CONFIG_HOTPLUG_PCI=y CONFIG_BINFMT_ELF=y # CONFIG_BINFMT_AOUT is not set CONFIG_BINFMT_MISC=y - -# -# Networking -# CONFIG_NET=y # @@ -475,7 +476,10 @@ CONFIG_IP_FIB_HASH=y CONFIG_IP_MULTIPLE_TABLES=y CONFIG_IP_ROUTE_MULTIPATH=y CONFIG_IP_ROUTE_VERBOSE=y -# CONFIG_IP_PNP is not set +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +CONFIG_IP_PNP_RARP=y # CONFIG_NET_IPIP is not set # CONFIG_NET_IPGRE is not set CONFIG_IP_MROUTE=y @@ -618,7 +622,6 @@ CONFIG_NET_SCHED=y # CONFIG_NET_SCH_HTB is not set # CONFIG_NET_SCH_HFSC is not set # CONFIG_NET_SCH_PRIO is not set -# CONFIG_NET_SCH_RR is not set # CONFIG_NET_SCH_RED is not set # CONFIG_NET_SCH_SFQ is not set # CONFIG_NET_SCH_TEQL is not set @@ -680,28 +683,19 @@ CONFIG_FIB_RULES=y CONFIG_CFG80211=y CONFIG_NL80211=y CONFIG_WIRELESS_EXT=y +CONFIG_WIRELESS_EXT_SYSFS=y CONFIG_MAC80211=y # # Rate control algorithm selection # +CONFIG_MAC80211_RC_PID=y CONFIG_MAC80211_RC_DEFAULT_PID=y -# CONFIG_MAC80211_RC_DEFAULT_NONE is not set - -# -# Selecting 'y' for an algorithm will -# - -# -# build the algorithm into mac80211. -# CONFIG_MAC80211_RC_DEFAULT="pid" -CONFIG_MAC80211_RC_PID=y # CONFIG_MAC80211_MESH is not set CONFIG_MAC80211_LEDS=y # CONFIG_MAC80211_DEBUGFS is not set -# CONFIG_MAC80211_DEBUG_PACKET_ALIGNMENT is not set -# CONFIG_MAC80211_DEBUG is not set +# CONFIG_MAC80211_DEBUG_MENU is not set # CONFIG_IEEE80211 is not set # CONFIG_RFKILL is not set # CONFIG_NET_9P is not set @@ -717,6 +711,8 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y CONFIG_FW_LOADER=y +CONFIG_FIRMWARE_IN_KERNEL=y +CONFIG_EXTRA_FIRMWARE="" # CONFIG_DEBUG_DRIVER is not set CONFIG_DEBUG_DEVRES=y # CONFIG_SYS_HYPERVISOR is not set @@ -749,6 +745,7 @@ CONFIG_BLK_DEV_RAM_SIZE=16384 # CONFIG_BLK_DEV_XIP is not set # CONFIG_CDROM_PKTCDVD is not set # CONFIG_ATA_OVER_ETH is not set +# CONFIG_BLK_DEV_HD is not set CONFIG_MISC_DEVICES=y # CONFIG_IBM_ASM is not set # CONFIG_PHANTOM is not set @@ -760,10 +757,12 @@ CONFIG_MISC_DEVICES=y # CONFIG_FUJITSU_LAPTOP is not set # CONFIG_TC1100_WMI is not set # CONFIG_MSI_LAPTOP is not set +# CONFIG_COMPAL_LAPTOP is not set # CONFIG_SONY_LAPTOP is not set # CONFIG_THINKPAD_ACPI is not set # CONFIG_INTEL_MENLOW is not set # CONFIG_ENCLOSURE_SERVICES is not set +# CONFIG_HP_ILO is not set CONFIG_HAVE_IDE=y # CONFIG_IDE is not set @@ -802,12 +801,13 @@ CONFIG_SCSI_WAIT_SCAN=m # CONFIG_SCSI_SPI_ATTRS=y # CONFIG_SCSI_FC_ATTRS is not set -# CONFIG_SCSI_ISCSI_ATTRS is not set +CONFIG_SCSI_ISCSI_ATTRS=y # CONFIG_SCSI_SAS_ATTRS is not set # CONFIG_SCSI_SAS_LIBSAS is not set # CONFIG_SCSI_SRP_ATTRS is not set # CONFIG_SCSI_LOWLEVEL is not set # CONFIG_SCSI_LOWLEVEL_PCMCIA is not set +# CONFIG_SCSI_DH is not set CONFIG_ATA=y # CONFIG_ATA_NONSTANDARD is not set CONFIG_ATA_ACPI=y @@ -842,7 +842,7 @@ CONFIG_PATA_AMD=y # CONFIG_PATA_CS5536 is not set # CONFIG_PATA_CYPRESS is not set # CONFIG_PATA_EFAR is not set -# CONFIG_ATA_GENERIC is not set +CONFIG_ATA_GENERIC=y # CONFIG_PATA_HPT366 is not set # CONFIG_PATA_HPT37X is not set # CONFIG_PATA_HPT3X2N is not set @@ -852,7 +852,7 @@ CONFIG_PATA_AMD=y # CONFIG_PATA_JMICRON is not set # CONFIG_PATA_TRIFLEX is not set # CONFIG_PATA_MARVELL is not set -# CONFIG_PATA_MPIIX is not set +CONFIG_PATA_MPIIX=y CONFIG_PATA_OLDPIIX=y # CONFIG_PATA_NETCELL is not set # CONFIG_PATA_NINJA32 is not set @@ -871,6 +871,7 @@ CONFIG_PATA_OLDPIIX=y # CONFIG_PATA_SIS is not set # CONFIG_PATA_VIA is not set # CONFIG_PATA_WINBOND is not set +CONFIG_PATA_SCH=y CONFIG_MD=y CONFIG_BLK_DEV_MD=y # CONFIG_MD_LINEAR is not set @@ -894,13 +895,16 @@ CONFIG_DM_ZERO=y # # IEEE 1394 (FireWire) support # + +# +# Enable only one of the two stacks, unless you know what you are doing +# # CONFIG_FIREWIRE is not set # CONFIG_IEEE1394 is not set # CONFIG_I2O is not set CONFIG_MACINTOSH_DRIVERS=y CONFIG_MAC_EMUMOUSEBTN=y CONFIG_NETDEVICES=y -# CONFIG_NETDEVICES_MULTIQUEUE is not set # CONFIG_IFB is not set |
