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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-12 12:04:59 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-12 12:05:14 -0700
commit807f4f8cdd5b65a8a5fcfda266c074f6a23818dd (patch)
tree395afdf45badd02d03871c827b8baa850cbe5841 /arch/x86
parent1a2217a9516b134e0a0e54cb4629e1e075d97b17 (diff)
parent8daf14cf56816303d64d1a705fcbc389211ba36e (diff)
Merge branch 'x86-core-v2-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
This merges in: x86/build, x86/microcode, x86/spinlocks, x86/memory-corruption-check, x86/early-printk, x86/xsave, x86/quirks, x86/setup, x86/signal, core/signal, x86/urgent, x86/xen * 'x86-core-v2-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (142 commits) x86: make processor type select depend on CONFIG_EMBEDDED x86: extend processor type select help text x86, amd-iommu: propagate PCI device enabling error warnings: fix arch/x86/kernel/io_apic_64.c warnings: fix arch/x86/kernel/early_printk.c x86, fpu: check __clear_user() return value x86: memory corruption check - cleanup x86: ioperm user_regset xen: do not reserve 2 pages of padding between hypervisor and fixmap. xen: use spin_lock_nest_lock when pinning a pagetable x86: xsave: set FP, SSE bits in the xsave header in the user sigcontext x86: xsave: fix error condition in save_i387_xstate() x86: SB450: deprioritize DMI quirks x86: SB450: skip IRQ0 override if it is not routed to INT2 of IOAPIC x86: replace a magic number with a named constant in the VESA boot code x86 setup: remove IMAGE_OFFSET x86 setup: remove DEF_INITSEG and DEF_SETUPSEG Revert "x86: fix ghost EDD devices in /sys again" x86 setup: fix ghost entries under /sys/firmware/edd take 3 x86: signal: remove indent in restore_sigcontext() ...
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/Kconfig90
-rw-r--r--arch/x86/Kconfig.cpu64
-rw-r--r--arch/x86/Kconfig.debug13
-rw-r--r--arch/x86/Makefile_32.cpu5
-rw-r--r--arch/x86/boot/Makefile5
-rw-r--r--arch/x86/boot/compressed/Makefile8
-rw-r--r--arch/x86/boot/edd.c7
-rw-r--r--arch/x86/boot/video-vesa.c2
-rw-r--r--arch/x86/configs/i386_defconfig1
-rw-r--r--arch/x86/configs/x86_64_defconfig1
-rw-r--r--arch/x86/ia32/ia32_signal.c68
-rw-r--r--arch/x86/kernel/Makefile10
-rw-r--r--arch/x86/kernel/acpi/boot.c12
-rw-r--r--arch/x86/kernel/amd_iommu_init.c4
-rw-r--r--arch/x86/kernel/cpu/common.c11
-rw-r--r--arch/x86/kernel/doublefault_32.c2
-rw-r--r--arch/x86/kernel/early-quirks.c48
-rw-r--r--arch/x86/kernel/early_printk.c748
-rw-r--r--arch/x86/kernel/i387.c14
-rw-r--r--arch/x86/kernel/io_apic_64.c4
-rw-r--r--arch/x86/kernel/ldt.c9
-rw-r--r--arch/x86/kernel/microcode.c853
-rw-r--r--arch/x86/kernel/microcode_amd.c435
-rw-r--r--arch/x86/kernel/microcode_core.c508
-rw-r--r--arch/x86/kernel/microcode_intel.c480
-rw-r--r--arch/x86/kernel/paravirt-spinlocks.c37
-rw-r--r--arch/x86/kernel/paravirt.c27
-rw-r--r--arch/x86/kernel/process_32.c39
-rw-r--r--arch/x86/kernel/process_64.c22
-rw-r--r--arch/x86/kernel/ptrace.c44
-rw-r--r--arch/x86/kernel/setup.c196
-rw-r--r--arch/x86/kernel/signal_32.c222
-rw-r--r--arch/x86/kernel/signal_64.c207
-rw-r--r--arch/x86/kernel/smp.c6
-rw-r--r--arch/x86/kernel/smpboot.c77
-rw-r--r--arch/x86/kernel/tlb_32.c8
-rw-r--r--arch/x86/kernel/traps_32.c4
-rw-r--r--arch/x86/kernel/traps_64.c2
-rw-r--r--arch/x86/kernel/xsave.c33
-rw-r--r--arch/x86/mm/fault.c14
-rw-r--r--arch/x86/mm/init_32.c3
-rw-r--r--arch/x86/mm/init_64.c3
-rw-r--r--arch/x86/mm/ioremap.c33
-rw-r--r--arch/x86/xen/Kconfig12
-rw-r--r--arch/x86/xen/Makefile12
-rw-r--r--arch/x86/xen/debugfs.c123
-rw-r--r--arch/x86/xen/debugfs.h10
-rw-r--r--arch/x86/xen/enlighten.c252
-rw-r--r--arch/x86/xen/irq.c143
-rw-r--r--arch/x86/xen/mmu.c314
-rw-r--r--arch/x86/xen/mmu.h3
-rw-r--r--arch/x86/xen/multicalls.c115
-rw-r--r--arch/x86/xen/smp.c245
-rw-r--r--arch/x86/xen/spinlock.c428
-rw-r--r--arch/x86/xen/time.c12
-rw-r--r--arch/x86/xen/xen-asm_32.S2
-rw-r--r--arch/x86/xen/xen-asm_64.S22
-rw-r--r--arch/x86/xen/xen-ops.h8
58 files changed, 4418 insertions, 1662 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 44d4f2130d0..fc8351f374f 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -778,23 +778,45 @@ config X86_REBOOTFIXUPS
Say N otherwise.
config MICROCODE
- tristate "/dev/cpu/microcode - Intel IA32 CPU microcode support"
+ tristate "/dev/cpu/microcode - microcode support"
select FW_LOADER
---help---
If you say Y here, you will be able to update the microcode on
- Intel processors in the IA32 family, e.g. Pentium Pro, Pentium II,
- Pentium III, Pentium 4, Xeon etc. You will obviously need the
- actual microcode binary data itself which is not shipped with the
- Linux kernel.
+ certain Intel and AMD processors. The Intel support is for the
+ IA32 family, e.g. Pentium Pro, Pentium II, Pentium III,
+ Pentium 4, Xeon etc. The AMD support is for family 0x10 and
+ 0x11 processors, e.g. Opteron, Phenom and Turion 64 Ultra.
+ You will obviously need the actual microcode binary data itself
+ which is not shipped with the Linux kernel.
- For latest news and information on obtaining all the required
- ingredients for this driver, check:
- <http://www.urbanmyth.org/microcode/>.
+ This option selects the general module only, you need to select
+ at least one vendor specific module as well.
To compile this driver as a module, choose M here: the
module will be called microcode.
-config MICROCODE_OLD_INTERFACE
+config MICROCODE_INTEL
+ bool "Intel microcode patch loading support"
+ depends on MICROCODE
+ default MICROCODE
+ select FW_LOADER
+ --help---
+ This options enables microcode patch loading support for Intel
+ processors.
+
+ For latest news and information on obtaining all the required
+ Intel ingredients for this driver, check:
+ <http://www.urbanmyth.org/microcode/>.
+
+config MICROCODE_AMD
+ bool "AMD microcode patch loading support"
+ depends on MICROCODE
+ select FW_LOADER
+ --help---
+ If you select this option, microcode patch loading support for AMD
+ processors will be enabled.
+
+ config MICROCODE_OLD_INTERFACE
def_bool y
depends on MICROCODE
@@ -1061,6 +1083,56 @@ config HIGHPTE
low memory. Setting this option will put user-space page table
entries in high memory.
+config X86_CHECK_BIOS_CORRUPTION
+ bool "Check for low memory corruption"
+ help
+ Periodically check for memory corruption in low memory, which
+ is suspected to be caused by BIOS. Even when enabled in the
+ configuration, it is disabled at runtime. Enable it by
+ setting "memory_corruption_check=1" on the kernel command
+ line. By default it scans the low 64k of memory every 60
+ seconds; see the memory_corruption_check_size and
+ memory_corruption_check_period parameters in
+ Documentation/kernel-parameters.txt to adjust this.
+
+ When enabled with the default parameters, this option has
+ almost no overhead, as it reserves a relatively small amount
+ of memory and scans it infrequently. It both detects corruption
+ and prevents it from affecting the running system.
+
+ It is, however, intended as a diagnostic tool; if repeatable
+ BIOS-originated corruption always affects the same memory,
+ you can use memmap= to prevent the kernel from using that
+ memory.
+
+config X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK
+ bool "Set the default setting of memory_corruption_check"
+ depends on X86_CHECK_BIOS_CORRUPTION
+ default y
+ help
+ Set whether the default state of memory_corruption_check is
+ on or off.
+
+config X86_RESERVE_LOW_64K
+ bool "Reserve low 64K of RAM on AMI/Phoenix BIOSen"
+ default y
+ help
+ Reserve the first 64K of physical RAM on BIOSes that are known
+ to potentially corrupt that memory range. A numbers of BIOSes are
+ known to utilize this area during suspend/resume, so it must not
+ be used by the kernel.
+
+ Set this to N if you are absolutely sure that you trust the BIOS
+ to get all its memory reservations and usages right.
+
+ If you have doubts about the BIOS (e.g. suspend/resume does not
+ work or there's kernel crashes after certain hardware hotplug
+ events) and it's not AMI or Phoenix, then you might want to enable
+ X86_CHECK_BIOS_CORRUPTION=y to allow the kernel to check typical
+ corruption patterns.
+
+ Say Y if unsure.
+
config MATH_EMULATION
bool
prompt "Math emulation" if X86_32
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index f8843c3ae77..c5f10136052 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -420,7 +420,6 @@ config X86_DEBUGCTLMSR
depends on !(MK6 || MWINCHIPC6 || MWINCHIP2 || MWINCHIP3D || MCYRIXIII || M586MMX || M586TSC || M586 || M486 || M386)
menuconfig PROCESSOR_SELECT
- default y
bool "Supported processor vendors" if EMBEDDED
help
This lets you choose what x86 vendor support code your kernel
@@ -430,48 +429,97 @@ config CPU_SUP_INTEL
default y
bool "Support Intel processors" if PROCESSOR_SELECT
help
- This enables extended support for Intel processors
+ This enables detection, tunings and quirks for Intel processors
+
+ You need this enabled if you want your kernel to run on an
+ Intel CPU. Disabling this option on other types of CPUs
+ makes the kernel a tiny bit smaller. Disabling it on an Intel
+ CPU might render the kernel unbootable.
+
+ If unsure, say N.
config CPU_SUP_CYRIX_32
default y
bool "Support Cyrix processors" if PROCESSOR_SELECT
depends on !64BIT
help
- This enables extended support for Cyrix processors
+ This enables detection, tunings and quirks for Cyrix processors
+
+ You need this enabled if you want your kernel to run on a
+ Cyrix CPU. Disabling this option on other types of CPUs
+ makes the kernel a tiny bit smaller. Disabling it on a Cyrix
+ CPU might render the kernel unbootable.
+
+ If unsure, say N.
config CPU_SUP_AMD
default y
bool "Support AMD processors" if PROCESSOR_SELECT
help
- This enables extended support for AMD processors
+ This enables detection, tunings and quirks for AMD processors
+
+ You need this enabled if you want your kernel to run on an
+ AMD CPU. Disabling this option on other types of CPUs
+ makes the kernel a tiny bit smaller. Disabling it on an AMD
+ CPU might render the kernel unbootable.
+
+ If unsure, say N.
config CPU_SUP_CENTAUR_32
default y
bool "Support Centaur processors" if PROCESSOR_SELECT
depends on !64BIT
help
- This enables extended support for Centaur processors
+ This enables detection, tunings and quirks for Centaur processors
+
+ You need this enabled if you want your kernel to run on a
+ Centaur CPU. Disabling this option on other types of CPUs
+ makes the kernel a tiny bit smaller. Disabling it on a Centaur
+ CPU might render the kernel unbootable.
+
+ If unsure, say N.
config CPU_SUP_CENTAUR_64
default y
bool "Support Centaur processors" if PROCESSOR_SELECT
depends on 64BIT
help
- This enables extended support for Centaur processors
+ This enables detection, tunings and quirks for Centaur processors
+
+ You need this enabled if you want your kernel to run on a
+ Centaur CPU. Disabling this option on other types of CPUs
+ makes the kernel a tiny bit smaller. Disabling it on a Centaur
+ CPU might render the kernel unbootable.
+
+ If unsure, say N.
config CPU_SUP_TRANSMETA_32
default y
bool "Support Transmeta processors" if PROCESSOR_SELECT
depends on !64BIT
help
- This enables extended support for Transmeta processors
+ This enables detection, tunings and quirks for Transmeta processors
+
+ You need this enabled if you want your kernel to run on a
+ Transmeta CPU. Disabling this option on other types of CPUs
+ makes the kernel a tiny bit smaller. Disabling it on a Transmeta
+ CPU might render the kernel unbootable.
+
+ If unsure, say N.
config CPU_SUP_UMC_32
default y
bool "Support UMC processors" if PROCESSOR_SELECT
depends on !64BIT
help
- This enables extended support for UMC processors
+ This enables detection, tunings and quirks for UMC processors
+
+ You need this enabled if you want your kernel to run on a
+ UMC CPU. Disabling this option on other types of CPUs
+ makes the kernel a tiny bit smaller. Disabling it on a UMC
+ CPU might render the kernel unbootable.
+
+ If unsure, say N.
config X86_DS
bool "Debug Store support"
diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 092f019e033..2a3dfbd5e67 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -43,6 +43,19 @@ config EARLY_PRINTK
with klogd/syslogd or the X server. You should normally N here,
unless you want to debug such a crash.
+config EARLY_PRINTK_DBGP
+ bool "Early printk via EHCI debug port"
+ default n
+ depends on EARLY_PRINTK && PCI
+ help
+ Write kernel log output directly into the EHCI debug port.
+
+ This is useful for kernel debugging when your machine crashes very
+ early before the console code is initialized. For normal operation
+ it is not recommended because it looks ugly and doesn't cooperate
+ with klogd/syslogd or the X server. You should normally N here,
+ unless you want to debug such a crash. You need usb debug device.
+
config DEBUG_STACKOVERFLOW
bool "Check for stack overflows"
depends on DEBUG_KERNEL
diff --git a/arch/x86/Makefile_32.cpu b/arch/x86/Makefile_32.cpu
index e372b584e91..b72b4f75311 100644
--- a/arch/x86/Makefile_32.cpu
+++ b/arch/x86/Makefile_32.cpu
@@ -45,3 +45,8 @@ cflags-$(CONFIG_MGEODEGX1) += -march=pentium-mmx
# cpu entries
cflags-$(CONFIG_X86_GENERIC) += $(call tune,generic,$(call tune,i686))
+# Bug fix for binutils: this option is required in order to keep
+# binutils from generating NOPL instructions against our will.
+ifneq ($(CONFIG_X86_P6_NOP),y)
+cflags-y += $(call cc-option,-Wa$(comma)-mtune=generic32,)
+endif
diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
index 7ee102f9c4f..cd48c721001 100644
--- a/arch/x86/boot/Makefile
+++ b/arch/x86/boot/Makefile
@@ -72,9 +72,7 @@ KBUILD_CFLAGS := $(LINUXINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \
KBUILD_CFLAGS += $(call cc-option,-m32)
KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
-$(obj)/zImage: IMAGE_OFFSET := 0x1000
$(obj)/zImage: asflags-y := $(SVGA_MODE) $(RAMDISK)
-$(obj)/bzImage: IMAGE_OFFSET := 0x100000
$(obj)/bzImage: ccflags-y := -D__BIG_KERNEL__
$(obj)/bzImage: asflags-y := $(SVGA_MODE) $(RAMDISK) -D__BIG_KERNEL__
$(obj)/bzImage: BUILDFLAGS := -b
@@ -117,7 +115,7 @@ $(obj)/setup.bin: $(obj)/setup.elf FORCE
$(call if_changed,objcopy)
$(obj)/compressed/vmlinux: FORCE
- $(Q)$(MAKE) $(build)=$(obj)/compressed IMAGE_OFFSET=$(IMAGE_OFFSET) $@
+ $(Q)$(MAKE) $(build)=$(obj)/compressed $@
# Set this if you want to pass append arguments to the zdisk/fdimage/isoimage kernel
FDARGS =
@@ -181,6 +179,7 @@ isoimage: $(BOOTIMAGE)
mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \
-no-emul-boot -boot-load-size 4 -boot-info-table \
$(obj)/isoimage
+ isohybrid $(obj)/image.iso 2>/dev/null || true
rm -rf $(obj)/isoimage
zlilo: $(BOOTIMAGE)
diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index 92fdd35bd93..1771c804e02 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -27,9 +27,8 @@ $(obj)/vmlinux.bin: vmlinux FORCE
$(call if_changed,objcopy)
-ifeq ($(CONFIG_X86_32),y)
-targets += vmlinux.bin.all vmlinux.relocs
-hostprogs-y := relocs
+targets += vmlinux.bin.all vmlinux.relocs relocs
+hostprogs-$(CONFIG_X86_32) += relocs
quiet_cmd_relocs = RELOCS $@
cmd_relocs = $(obj)/relocs $< > $@;$(obj)/relocs --abs-relocs $<
@@ -43,6 +42,8 @@ quiet_cmd_relocbin = BUILD $@
$(obj)/vmlinux.bin.all: $(vmlinux.bin.all-y) FORCE
$(call if_changed,relocbin)
+ifeq ($(CONFIG_X86_32),y)
+
ifdef CONFIG_RELOCATABLE
$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin.all FORCE
$(call if_changed,gzip)
@@ -59,6 +60,5 @@ $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
LDFLAGS_piggy.o := -r --format binary --oformat elf64-x86-64 -T
endif
-
$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE
$(call if_changed,ld)
diff --git a/arch/x86/boot/edd.c b/arch/x86/boot/edd.c
index d93cbc6464d..1aae8f3e5ca 100644
--- a/arch/x86/boot/edd.c
+++ b/arch/x86/boot/edd.c
@@ -41,6 +41,7 @@ static u32 read_mbr_sig(u8 devno, struct edd_info *ei, u32 *mbrsig)
char *mbrbuf_ptr, *mbrbuf_end;
u32 buf_base, mbr_base;
extern char _end[];
+ u16 mbr_magic;
sector_size = ei->params.bytes_per_sector;
if (!sector_size)
@@ -58,11 +59,15 @@ static u32 read_mbr_sig(u8 devno, struct edd_info *ei, u32 *mbrsig)
if (mbrbuf_end > (char *)(size_t)boot_params.hdr.heap_end_ptr)
return -1;
+ memset(mbrbuf_ptr, 0, sector_size);
if (read_mbr(devno, mbrbuf_ptr))
return -1;
*mbrsig = *(u32 *)&mbrbuf_ptr[EDD_MBR_SIG_OFFSET];
- return 0;
+ mbr_magic = *(u16 *)&mbrbuf_ptr[510];
+
+ /* check for valid MBR magic */
+ return mbr_magic == 0xAA55 ? 0 : -1;
}
static int get_edd_info(u8 devno, struct edd_info *ei)
diff --git a/arch/x86/boot/video-vesa.c b/arch/x86/boot/video-vesa.c
index 401ad998ad0..1e6fe0214c8 100644
--- a/arch/x86/boot/video-vesa.c
+++ b/arch/x86/boot/video-vesa.c
@@ -224,7 +224,7 @@ static void vesa_store_pm_info(void)
static void vesa_store_mode_params_graphics(void)
{
/* Tell the kernel we're in VESA graphics mode */
- boot_params.screen_info.orig_video_isVGA = 0x23;
+ boot_params.screen_info.orig_video_isVGA = VIDEO_TYPE_VLFB;
/* Mode parameters */
boot_params.screen_info.vesa_attributes = vminfo.mode_attr;
diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig
index ef9a52005ec..ca226ca3128 100644
--- a/arch/x86/configs/i386_defconfig
+++ b/arch/x86/configs/i386_defconfig
@@ -1535,7 +1535,6 @@ CONFIG_BACKLIGHT_CLASS_DEVICE=y
CONFIG_VGA_CONSOLE=y
CONFIG_VGACON_SOFT_SCROLLBACK=y
CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=64
-CONFIG_VIDEO_SELECT=y
CONFIG_DUMMY_CONSOLE=y
# CONFIG_FRAMEBUFFER_CONSOLE is not set
CONFIG_LOGO=y
diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_defconfig
index e620ea6e2a7..2c4b1c771e2 100644
--- a/arch/x86/configs/x86_64_defconfig
+++ b/arch/x86/configs/x86_64_defconfig
@@ -1505,7 +1505,6 @@ CONFIG_BACKLIGHT_CLASS_DEVICE=y
CONFIG_VGA_CONSOLE=y
CONFIG_VGACON_SOFT_SCROLLBACK=y
CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=64
-CONFIG_VIDEO_SELECT=y
CONFIG_DUMMY_CONSOLE=y
# CONFIG_FRAMEBUFFER_CONSOLE is not set
CONFIG_LOGO=y
diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c
index 8d64c1bc847..4bc02b23674 100644
--- a/arch/x86/ia32/ia32_signal.c
+++ b/arch/x86/ia32/ia32_signal.c
@@ -351,31 +351,28 @@ static int ia32_setup_sigcontext(struct sigcontext_ia32 __user *sc,
savesegment(es, tmp);
err |= __put_user(tmp, (unsigned int __user *)&sc->es);
- err |= __put_user((u32)regs->di, &sc->di);
- err |= __put_user((u32)regs->si, &sc->si);
- err |= __put_user((u32)regs->bp, &sc->bp);
- err |= __put_user((u32)regs->sp, &sc->sp);
- err |= __put_user((u32)regs->bx, &sc->bx);
- err |= __put_user((u32)regs->dx, &sc->dx);
- err |= __put_user((u32)regs->cx, &sc->cx);
- err |= __put_user((u32)regs->ax, &sc->ax);
- err |= __put_user((u32)regs->cs, &sc->cs);
- err |= __put_user((u32)regs->ss, &sc->ss);
+ err |= __put_user(regs->di, &sc->di);
+ err |= __put_user(regs->si, &sc->si);
+ err |= __put_user(regs->bp, &sc->bp);
+ err |= __put_user(regs->sp, &sc->sp);
+ err |= __put_user(regs->bx, &sc->bx);
+ err |= __put_user(regs->dx, &sc->dx);
+ err |= __put_user(regs->cx, &sc->cx);
+ err |= __put_user(regs->ax, &sc->ax);
+ err |= __put_user(regs->cs, &sc->cs);
+ err |= __put_user(regs->ss, &sc->ss);
err |= __put_user(current->thread.trap_no, &sc->trapno);
err |= __put_user(current->thread.error_code, &sc->err);
- err |= __put_user((u32)regs->ip, &sc->ip);
- err |= __put_user((u32)regs->flags, &sc->flags);
- err |= __put_user((u32)regs->sp, &sc->sp_at_signal);
+ err |= __put_user(regs->ip, &sc->ip);
+ err |= __put_user(regs->flags, &sc->flags);
+ err |= __put_user(regs->sp, &sc->sp_at_signal);
tmp = save_i387_xstate_ia32(fpstate);
if (tmp < 0)
err = -EFAULT;
- else {
- clear_used_math();
- stts();
+ else
err |= __put_user(ptr_to_compat(tmp ? fpstate : NULL),
&sc->fpstate);
- }
/* non-iBCS2 extensions.. */
err |= __put_user(mask, &sc->oldmask);
@@ -444,21 +441,18 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka,
frame = get_sigframe(ka, regs, sizeof(*frame), &fpstate);
if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
- goto give_sigsegv;
+ return -EFAULT;
- err |= __put_user(sig, &frame->sig);
- if (err)
- goto give_sigsegv;
+ if (__put_user(sig, &frame->sig))
+ return -EFAULT;
- err |= ia32_setup_sigcontext(&frame->sc, fpstate, regs, set->sig[0]);
- if (err)
- goto give_sigsegv;
+ if (ia32_setup_sigcontext(&frame->sc, fpstate, regs, set->sig[0]))
+ return -EFAULT;
if (_COMPAT_NSIG_WORDS > 1) {
- err |= __copy_to_user(frame->extramask, &set->sig[1],
- sizeof(frame->extramask));
- if (err)
- goto give_sigsegv;
+ if (__copy_to_user(frame->extramask, &set->sig[1],
+ sizeof(frame->extramask)))
+ return -EFAULT;
}
if (ka->sa.sa_flags & SA_RESTORER) {
@@ -479,7 +473,7 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka,
*/
err |= __copy_to_user(frame->retcode, &code, 8);
if (err)
- goto give_sigsegv;
+ return -EFAULT;
/* Set up registers for signal handler */
regs->sp = (unsigned long) frame;
@@ -502,10 +496,6 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka,
#endif
return 0;
-
-give_sigsegv:
- force_sigsegv(sig, current);
- return -EFAULT;
}
int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
@@ -533,14 +523,14 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
frame = get_sigframe(ka, regs, sizeof(*frame), &fpstate);
if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
- goto give_sigsegv;
+ return -EFAULT;
err |= __put_user(sig, &frame->sig);
err |= __put_user(ptr_to_compat(&frame->info), &frame->pinfo);
err |= __put_user(ptr_to_compat(&frame->uc), &frame->puc);
err |= copy_siginfo_to_user32(&frame->info, info);
if (err)
- goto give_sigsegv;
+ return -EFAULT;
/* Create the ucontext. */
if (cpu_has_xsave)
@@ -556,7 +546,7 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
regs, set->sig[0]);
err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
if (err)
- goto give_sigsegv;
+ return -EFAULT;
if (ka->sa.sa_flags & SA_RESTORER)
restorer = ka->sa.sa_restorer;
@@ -571,7 +561,7 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
*/
err |= __copy_to_user(frame->retcode, &code, 8);
if (err)
- goto give_sigsegv;
+ return -EFAULT;
/* Set up registers for signal handler */
regs->sp = (unsigned long) frame;
@@ -599,8 +589,4 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
#endif
return 0;
-