diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-26 13:07:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-26 13:07:55 -0700 |
| commit | b278240839e20fa9384ea430df463b367b90e04e (patch) | |
| tree | f99f0c8cdd4cc7f177cd75440e6bd181cded7fb3 /arch/x86_64 | |
| parent | dd77a4ee0f3981693d4229aa1d57cea9e526ff47 (diff) | |
| parent | 3f75f42d7733e73aca5c78326489efd4189e0111 (diff) | |
Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6
* 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6: (225 commits)
[PATCH] Don't set calgary iommu as default y
[PATCH] i386/x86-64: New Intel feature flags
[PATCH] x86: Add a cumulative thermal throttle event counter.
[PATCH] i386: Make the jiffies compares use the 64bit safe macros.
[PATCH] x86: Refactor thermal throttle processing
[PATCH] Add 64bit jiffies compares (for use with get_jiffies_64)
[PATCH] Fix unwinder warning in traps.c
[PATCH] x86: Allow disabling early pci scans with pci=noearly or disallowing conf1
[PATCH] x86: Move direct PCI scanning functions out of line
[PATCH] i386/x86-64: Make all early PCI scans dependent on CONFIG_PCI
[PATCH] Don't leak NT bit into next task
[PATCH] i386/x86-64: Work around gcc bug with noreturn functions in unwinder
[PATCH] Fix some broken white space in ia32_signal.c
[PATCH] Initialize argument registers for 32bit signal handlers.
[PATCH] Remove all traces of signal number conversion
[PATCH] Don't synchronize time reading on single core AMD systems
[PATCH] Remove outdated comment in x86-64 mmconfig code
[PATCH] Use string instructions for Core2 copy/clear
[PATCH] x86: - restore i8259A eoi status on resume
[PATCH] i386: Split multi-line printk in oops output.
...
Diffstat (limited to 'arch/x86_64')
72 files changed, 2608 insertions, 2396 deletions
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig index 581ce9af0ec..efe249e7d6b 100644 --- a/arch/x86_64/Kconfig +++ b/arch/x86_64/Kconfig @@ -109,6 +109,7 @@ config X86_PC config X86_VSMP bool "Support for ScaleMP vSMP" + depends on PCI help Support for ScaleMP vSMP systems. Say 'Y' here if this kernel is supposed to run on these EM64T-based machines. Only choose this option @@ -295,7 +296,7 @@ config NUMA config K8_NUMA bool "Old style AMD Opteron NUMA detection" - depends on NUMA + depends on NUMA && PCI default y help Enable K8 NUMA node topology detection. You should say Y here if @@ -425,7 +426,6 @@ config IOMMU config CALGARY_IOMMU bool "IBM Calgary IOMMU support" - default y select SWIOTLB depends on PCI && EXPERIMENTAL help @@ -472,8 +472,7 @@ config X86_MCE_AMD the DRAM Error Threshold. config KEXEC - bool "kexec system call (EXPERIMENTAL)" - depends on EXPERIMENTAL + bool "kexec system call" help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot @@ -492,7 +491,14 @@ config CRASH_DUMP bool "kernel crash dumps (EXPERIMENTAL)" depends on EXPERIMENTAL help - Generate crash dump after being started by kexec. + Generate crash dump after being started by kexec. + This should be normally only set in special crash dump kernels + which are loaded in the main kernel with kexec-tools into + a specially reserved region and then later executed after + a crash by kdump/kexec. The crash dump kernel must be compiled + to a memory address not used by the main kernel or BIOS using + PHYSICAL_START. + For more details see Documentation/kdump/kdump.txt config PHYSICAL_START hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP) @@ -530,6 +536,30 @@ config SECCOMP If unsure, say Y. Only embedded should say N here. +config CC_STACKPROTECTOR + bool "Enable -fstack-protector buffer overflow detection (EXPRIMENTAL)" + depends on EXPERIMENTAL + help + This option turns on the -fstack-protector GCC feature. This + feature puts, at the beginning of critical functions, a canary + value on the stack just before the return address, and validates + the value just before actually returning. Stack based buffer + overflows (that need to overwrite this return address) now also + overwrite the canary, which gets detected and the attack is then + neutralized via a kernel panic. + + This feature requires gcc version 4.2 or above, or a distribution + gcc with the feature backported. Older versions are automatically + detected and for those versions, this configuration option is ignored. + +config CC_STACKPROTECTOR_ALL + bool "Use stack-protector for all functions" + depends on CC_STACKPROTECTOR + help + Normally, GCC only inserts the canary value protection for + functions that use large-ish on-stack buffers. By enabling + this option, GCC will be asked to do this for ALL functions. + source kernel/Kconfig.hz config REORDER diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile index 431bb4bc36c..1c0f18d4f88 100644 --- a/arch/x86_64/Makefile +++ b/arch/x86_64/Makefile @@ -54,6 +54,16 @@ endif cflags-y += $(call cc-option,-funit-at-a-time) # prevent gcc from generating any FP code by mistake cflags-y += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,) +# do binutils support CFI? +cflags-y += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,) +AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,) + +# is .cfi_signal_frame supported too? +cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) +AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,) + +cflags-$(CONFIG_CC_STACKPROTECTOR) += $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh $(CC) -fstack-protector ) +cflags-$(CONFIG_CC_STACKPROTECTOR_ALL) += $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh $(CC) -fstack-protector-all ) CFLAGS += $(cflags-y) CFLAGS_KERNEL += $(cflags-kernel-y) diff --git a/arch/x86_64/boot/compressed/Makefile b/arch/x86_64/boot/compressed/Makefile index f89d96f11a9..e70fa6e1da0 100644 --- a/arch/x86_64/boot/compressed/Makefile +++ b/arch/x86_64/boot/compressed/Makefile @@ -7,7 +7,8 @@ # targets := vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o -EXTRA_AFLAGS := -traditional -m32 +EXTRA_AFLAGS := -traditional +AFLAGS := $(subst -m64,-m32,$(AFLAGS)) # cannot use EXTRA_CFLAGS because base CFLAGS contains -mkernel which conflicts with # -m32 diff --git a/arch/x86_64/boot/setup.S b/arch/x86_64/boot/setup.S index a50b631f4d2..c3bfd223ab4 100644 --- a/arch/x86_64/boot/setup.S +++ b/arch/x86_64/boot/setup.S @@ -526,12 +526,12 @@ is_disk1: movw %cs, %ax # aka SETUPSEG subw $DELTA_INITSEG, %ax # aka INITSEG movw %ax, %ds - movw $0, (0x1ff) # default is no pointing device + movb $0, (0x1ff) # default is no pointing device int $0x11 # int 0x11: equipment list testb $0x04, %al # check if mouse installed jz no_psmouse - movw $0xAA, (0x1ff) # device present + movb $0xAA, (0x1ff) # device present no_psmouse: #include "../../i386/boot/edd.S" diff --git a/arch/x86_64/defconfig b/arch/x86_64/defconfig index 5fb97071594..647610ecb58 100644 --- a/arch/x86_64/defconfig +++ b/arch/x86_64/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.18-rc4 -# Thu Aug 24 21:05:55 2006 +# Linux kernel version: 2.6.18-git5 +# Tue Sep 26 09:30:47 2006 # CONFIG_X86_64=y CONFIG_64BIT=y @@ -19,6 +19,7 @@ CONFIG_GENERIC_ISA_DMA=y CONFIG_GENERIC_IOMAP=y CONFIG_ARCH_MAY_HAVE_PC_FDC=y CONFIG_DMI=y +CONFIG_AUDIT_ARCH=y CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" # @@ -38,16 +39,16 @@ CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_TASKSTATS is not set -CONFIG_SYSCTL=y # CONFIG_AUDIT is not set CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y # CONFIG_CPUSETS is not set # CONFIG_RELAY is not set CONFIG_INITRAMFS_SOURCE="" -CONFIG_UID16=y CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_EMBEDDED is not set +CONFIG_UID16=y +CONFIG_SYSCTL=y CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y # CONFIG_KALLSYMS_EXTRA_PASS is not set @@ -56,12 +57,12 @@ CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y -CONFIG_RT_MUTEXES=y CONFIG_FUTEX=y CONFIG_EPOLL=y CONFIG_SHMEM=y CONFIG_SLAB=y CONFIG_VM_EVENT_COUNTERS=y +CONFIG_RT_MUTEXES=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 # CONFIG_SLOB is not set @@ -160,6 +161,7 @@ CONFIG_X86_MCE_AMD=y # CONFIG_CRASH_DUMP is not set CONFIG_PHYSICAL_START=0x200000 CONFIG_SECCOMP=y +# CONFIG_CC_STACKPROTECTOR is not set # CONFIG_HZ_100 is not set CONFIG_HZ_250=y # CONFIG_HZ_1000 is not set @@ -307,18 +309,23 @@ CONFIG_IP_PNP_DHCP=y CONFIG_INET_DIAG=y CONFIG_INET_TCP_DIAG=y # CONFIG_TCP_CONG_ADVANCED is not set -CONFIG_TCP_CONG_BIC=y +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" CONFIG_IPV6=y # CONFIG_IPV6_PRIVACY is not set # CONFIG_IPV6_ROUTER_PREF is not set # CONFIG_INET6_AH is not set # CONFIG_INET6_ESP is not set # CONFIG_INET6_IPCOMP is not set +# CONFIG_IPV6_MIP6 is not set # CONFIG_INET6_XFRM_TUNNEL is not set # CONFIG_INET6_TUNNEL is not set # CONFIG_INET6_XFRM_MODE_TRANSPORT is not set # CONFIG_INET6_XFRM_MODE_TUNNEL is not set +# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set # CONFIG_IPV6_TUNNEL is not set +# CONFIG_IPV6_SUBTREES is not set +# CONFIG_IPV6_MULTIPLE_TABLES is not set # CONFIG_NETWORK_SECMARK is not set # CONFIG_NETFILTER is not set @@ -345,7 +352,6 @@ CONFIG_IPV6=y # CONFIG_ATALK is not set # CONFIG_X25 is not set # CONFIG_LAPB is not set -# CONFIG_NET_DIVERT is not set # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set @@ -487,6 +493,7 @@ CONFIG_IDEDMA_AUTO=y # # CONFIG_RAID_ATTRS is not set CONFIG_SCSI=y +CONFIG_SCSI_NETLINK=y # CONFIG_SCSI_PROC_FS is not set # @@ -508,12 +515,13 @@ CONFIG_SCSI_CONSTANTS=y # CONFIG_SCSI_LOGGING is not set # -# SCSI Transport Attributes +# SCSI Transports # CONFIG_SCSI_SPI_ATTRS=y CONFIG_SCSI_FC_ATTRS=y # CONFIG_SCSI_ISCSI_ATTRS is not set CONFIG_SCSI_SAS_ATTRS=y +# CONFIG_SCSI_SAS_LIBSAS is not set # # SCSI low-level drivers @@ -532,29 +540,14 @@ CONFIG_AIC79XX_RESET_DELAY_MS=4000 # CONFIG_AIC79XX_DEBUG_ENABLE is not set CONFIG_AIC79XX_DEBUG_MASK=0 # CONFIG_AIC79XX_REG_PRETTY_PRINT is not set +# CONFIG_SCSI_AIC94XX is not set +# CONFIG_SCSI_ARCMSR is not set CONFIG_MEGARAID_NEWGEN=y CONFIG_MEGARAID_MM=y CONFIG_MEGARAID_MAILBOX=y # CONFIG_MEGARAID_LEGACY is not set CONFIG_MEGARAID_SAS=y -CONFIG_SCSI_SATA=y -CONFIG_SCSI_SATA_AHCI=y -CONFIG_SCSI_SATA_SVW=y -CONFIG_SCSI_ATA_PIIX=y -# CONFIG_SCSI_SATA_MV is not set -CONFIG_SCSI_SATA_NV=y -# CONFIG_SCSI_PDC_ADMA is not set # CONFIG_SCSI_HPTIOP is not set -# CONFIG_SCSI_SATA_QSTOR is not set -# CONFIG_SCSI_SATA_PROMISE is not set -# CONFIG_SCSI_SATA_SX4 is not set -CONFIG_SCSI_SATA_SIL=y -# CONFIG_SCSI_SATA_SIL24 is not set -# CONFIG_SCSI_SATA_SIS is not set -# CONFIG_SCSI_SATA_ULI is not set -CONFIG_SCSI_SATA_VIA=y -# CONFIG_SCSI_SATA_VITESSE is not set -CONFIG_SCSI_SATA_INTEL_COMBINED=y # CONFIG_SCSI_BUSLOGIC is not set # CONFIG_SCSI_DMX3191D is not set # CONFIG_SCSI_EATA is not set @@ -563,6 +556,7 @@ CONFIG_SCSI_SATA_INTEL_COMBINED=y # CONFIG_SCSI_IPS is not set # CONFIG_SCSI_INITIO is not set # CONFIG_SCSI_INIA100 is not set +# CONFIG_SCSI_STEX is not set # CONFIG_SCSI_SYM53C8XX_2 is not set # CONFIG_SCSI_IPR is not set # CONFIG_SCSI_QLOGIC_1280 is not set @@ -573,6 +567,62 @@ CONFIG_SCSI_SATA_INTEL_COMBINED=y # CONFIG_SCSI_DEBUG is not set # +# Serial ATA (prod) and Parallel ATA (experimental) drivers +# +CONFIG_ATA=y +CONFIG_SATA_AHCI=y +CONFIG_SATA_SVW=y +CONFIG_ATA_PIIX=y +# CONFIG_SATA_MV is not set +CONFIG_SATA_NV=y +# CONFIG_PDC_ADMA is not set +# CONFIG_SATA_QSTOR is not set +# CONFIG_SATA_PROMISE is not set +# CONFIG_SATA_SX4 is not set +CONFIG_SATA_SIL=y +# CONFIG_SATA_SIL24 is not set +# CONFIG_SATA_SIS is not set +# CONFIG_SATA_ULI is not set +CONFIG_SATA_VIA=y +# CONFIG_SATA_VITESSE is not set +CONFIG_SATA_INTEL_COMBINED=y +# CONFIG_PATA_ALI is not set +# CONFIG_PATA_AMD is not set +# CONFIG_PATA_ARTOP is not set +# CONFIG_PATA_ATIIXP is not set +# CONFIG_PATA_CMD64X is not set +# CONFIG_PATA_CS5520 is not set +# CONFIG_PATA_CS5530 is not set +# CONFIG_PATA_CYPRESS is not set +# CONFIG_PATA_EFAR is not set +# CONFIG_ATA_GENERIC is not set +# CONFIG_PATA_HPT366 is not set +# CONFIG_PATA_HPT37X is not set +# CONFIG_PATA_HPT3X2N is not set +# CONFIG_PATA_HPT3X3 is not set +# CONFIG_PATA_IT821X is not set +# CONFIG_PATA_JMICRON is not set +# CONFIG_PATA_LEGACY is not set +# CONFIG_PATA_TRIFLEX is not set +# CONFIG_PATA_MPIIX is not set +# CONFIG_PATA_OLDPIIX is not set +# CONFIG_PATA_NETCELL is not set +# CONFIG_PATA_NS87410 is not set +# CONFIG_PATA_OPTI is not set +# CONFIG_PATA_OPTIDMA is not set +# CONFIG_PATA_PDC_OLD is not set +# CONFIG_PATA_QDI is not set +# CONFIG_PATA_RADISYS is not set +# CONFIG_PATA_RZ1000 is not set +# CONFIG_PATA_SC1200 is not set +# CONFIG_PATA_SERVERWORKS is not set +# CONFIG_PATA_PDC2027X is not set +# CONFIG_PATA_SIL680 is not set +# CONFIG_PATA_SIS is not set +# CONFIG_PATA_VIA is not set +# CONFIG_PATA_WINBOND is not set + +# # Multi-device support (RAID and LVM) # CONFIG_MD=y @@ -678,6 +728,7 @@ CONFIG_NET_PCI=y # CONFIG_ADAPTEC_STARFIRE is not set CONFIG_B44=y CONFIG_FORCEDETH=y +# CONFIG_FORCEDETH_NAPI is not set # CONFIG_DGRS is not set # CONFIG_EEPRO100 is not set CONFIG_E100=y @@ -714,6 +765,7 @@ CONFIG_E1000=y # CONFIG_VIA_VELOCITY is not set CONFIG_TIGON3=y CONFIG_BNX2=y +# CONFIG_QLA3XXX is not set # # Ethernet (10000 Mbit) @@ -1036,6 +1088,7 @@ CONFIG_SOUND=y # Open Sound System # CONFIG_SOUND_PRIME=y +CONFIG_OSS_OBSOLETE_DRIVER=y # CONFIG_SOUND_BT878 is not set # CONFIG_SOUND_EMU10K1 is not set # CONFIG_SOUND_FUSION is not set @@ -1046,7 +1099,6 @@ CONFIG_SOUND_ICH=y # CONFIG_SOUND_MSNDPIN is not set # CONFIG_SOUND_VIA82CXXX is not set # CONFIG_SOUND_OSS is not set -# CONFIG_SOUND_TVMIXER is not set # # USB support @@ -1203,7 +1255,6 @@ CONFIG_USB_MON=y # InfiniBand support # # CONFIG_INFINIBAND is not set -# CONFIG_IPATH_CORE is not set # # EDAC - error detection and reporting (RAS) (EXPERIMENTAL) @@ -1449,10 +1500,6 @@ CONFIG_DEBUG_STACKOVERFLOW=y # CONFIG_CRYPTO is not set # -# Hardware crypto devices -# - -# # Library routines # # CONFIG_CRC_CCITT is not set diff --git a/arch/x86_64/ia32/ia32_aout.c b/arch/x86_64/ia32/ia32_aout.c index 3bf58af9893..396d3c10001 100644 --- a/arch/x86_64/ia32/ia32_aout.c +++ b/arch/x86_64/ia32/ia32_aout.c @@ -333,7 +333,8 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs) return error; } - error = bprm->file->f_op->read(bprm->file, (char *)text_addr, + error = bprm->file->f_op->read(bprm->file, + (char __user *)text_addr, ex.a_text+ex.a_data, &pos); if ((signed long)error < 0) { send_sig(SIGKILL, current, 0); @@ -366,7 +367,8 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs) down_write(¤t->mm->mmap_sem); do_brk(N_TXTADDR(ex), ex.a_text+ex.a_data); up_write(¤t->mm->mmap_sem); - bprm->file->f_op->read(bprm->file,(char *)N_TXTADDR(ex), + bprm->file->f_op->read(bprm->file, + (char __user *)N_TXTADDR(ex), ex.a_text+ex.a_data, &pos); flush_icache_range((unsigned long) N_TXTADDR(ex), (unsigned long) N_TXTADDR(ex) + @@ -477,7 +479,7 @@ static int load_aout_library(struct file *file) do_brk(start_addr, ex.a_text + ex.a_data + ex.a_bss); up_write(¤t->mm->mmap_sem); - file->f_op->read(file, (char *)start_addr, + file->f_op->read(file, (char __user *)start_addr, ex.a_text + ex.a_data, &pos); flush_icache_range((unsigned long) start_addr, (unsigned long) start_addr + ex.a_text + ex.a_data); diff --git a/arch/x86_64/ia32/ia32_signal.c b/arch/x86_64/ia32/ia32_signal.c index 25e5ca22204..a6ba9951e86 100644 --- a/arch/x86_64/ia32/ia32_signal.c +++ b/arch/x86_64/ia32/ia32_signal.c @@ -113,25 +113,19 @@ int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from) } asmlinkage long -sys32_sigsuspend(int history0, int history1, old_sigset_t mask, - struct pt_regs *regs) +sys32_sigsuspend(int history0, int history1, old_sigset_t mask) { - sigset_t saveset; - mask &= _BLOCKABLE; spin_lock_irq(¤t->sighand->siglock); - saveset = current->blocked; + current->saved_sigmask = current->blocked; siginitset(¤t->blocked, mask); recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); - regs->rax = -EINTR; - while (1) { - current->state = TASK_INTERRUPTIBLE; - schedule(); - if (do_signal(regs, &saveset)) - return -EINTR; - } < |