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Suresh Siddha 3c1c7f1014 x86, xsave: dynamically allocate sigframes fpstate instead of static allocation 
dynamically allocate fpstate on the stack, instead of static allocation
in the current sigframe layout on the user stack. This will allow the
fpstate structure to grow in the future, which includes extended state
information supporting xsave/xrstor.

signal handlers will be able to access the fpstate pointer from the
sigcontext structure asusual, with no change. For the non RT sigframe's
(which are supported only for 32bit apps), current static fpstate layout
in the sigframe will be unused(so that we don't change the extramask[]
offset in the sigframe and thus prevent breaking app's which modify
extramask[]).

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 		2008-07-30 19:49:25 +02:00
..
acpi Merge commit 'v2.6.27-rc1' into x86/core 2008-07-30 19:33:48 +02:00
cpu x86, xsave: context switch support using xsave/xrstor 2008-07-30 19:49:24 +02:00
.gitignore arch/x86/kernel/.gitignore: Added vmlinux.lds to .gitignore file because it shouldn't be tracked. 2008-07-10 10:13:51 -07:00
Makefile x86, xsave: enable xsave/xrstor on cpus with xsave support 2008-07-30 19:49:24 +02:00
alternative.c x86: fix SMP alternatives: use mutex instead of spinlock, text_poke is sleepable 2008-05-23 21:56:52 +02:00
amd_iommu.c Merge branch 'x86/iommu' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip into for-linus 2008-07-28 14:31:10 -07:00
amd_iommu_init.c x86, AMD IOMMU: include amd_iommu_last_bdf in device initialization 2008-07-26 15:45:57 +02:00
aperture_64.c x86: make only GART code include gart.h 2008-07-11 11:00:54 +02:00
apic_32.c Merge branch 'linus' into x86/x2apic 2008-07-22 09:06:21 +02:00
apic_64.c Merge branch 'linus' into x86/x2apic 2008-07-22 09:06:21 +02:00
apm_32.c remove include/linux/pm_legacy.h 2008-07-24 10:47:22 -07:00
asm-offsets.c
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asm-offsets_32.c x86/paravirt: split sysret and sysexit 2008-07-08 13:13:15 +02:00
asm-offsets_64.c x86: consolidate header guards 2008-07-22 21:53:53 +02:00
audit_64.c
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bios_uv.c x86 BIOS interface for RTC on SGI UV 2008-07-18 14:35:14 +02:00
bootflag.c
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cpuid.c device create: x86: convert device_create to device_create_drvdata 2008-07-21 21:54:46 -07:00
crash.c x86: allow machine_crash_shutdown to be replaced 2008-04-27 12:00:29 +03:00
crash_dump_32.c
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crash_dump_64.c
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doublefault_32.c
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ds.c x86: debug Store - call kfree if only we really need it 2008-04-17 17:41:34 +02:00
e820.c x86: introduce x86_quirks 2008-07-20 09:18:17 +02:00
early-quirks.c Merge branches 'x86/urgent', 'x86/amd-iommu', 'x86/apic', 'x86/cleanups', 'x86/core', 'x86/cpu', 'x86/fixmap', 'x86/gart', 'x86/kprobes', 'x86/memtest', 'x86/modules', 'x86/nmi', 'x86/pat', 'x86/reboot', 'x86/setup', 'x86/step', 'x86/unify-pci', 'x86/uv', 'x86/xen' and 'xen-64bit' into x86/for-linus 2008-07-21 16:37:17 +02:00
early_printk.c x86, generic: mark early_printk as asmlinkage 2008-06-18 13:11:01 +02:00
efi.c x86: introduce max_low_pfn_mapped for 64-bit 2008-07-11 10:24:04 +02:00
efi_32.c x86: fix Intel Mac booting with EFI 2008-07-03 08:19:18 +02:00
efi_64.c x86: add flags parameter to reserve_bootmem_generic() 2008-07-08 11:49:49 +02:00
efi_stub_32.S
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efi_stub_64.S
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entry_32.S i386 syscall audit fast-path 2008-07-23 18:00:30 -07:00
entry_64.S x86_64 ia32 syscall audit fast-path 2008-07-23 17:55:22 -07:00
ftrace.c ftrace: store mcount address in rec->ip 2008-06-23 22:10:56 +02:00
genapic_64.c x86: add apic probe for genapic 64bit - fix 2008-07-27 06:28:16 +02:00
genapic_flat_64.c Merge branch 'linus' into x86/x2apic 2008-07-25 13:08:16 +02:00
genx2apic_cluster.c x86: add apic probe for genapic 64bit - fix 2008-07-27 06:28:16 +02:00
genx2apic_phys.c x86: add apic probe for genapic 64bit - fix 2008-07-27 06:28:16 +02:00
genx2apic_uv_x.c Merge branch 'linus' into x86/x2apic 2008-07-25 13:08:16 +02:00
geode_32.c x86, geode: add a VSA2 ID for General Software 2008-06-19 14:19:03 +02:00
head.c x86: move reserve_setup_data to setup.c 2008-07-08 13:16:14 +02:00
head32.c x86: extract common part of head32.c and head64.c into head.c 2008-06-05 15:10:02 +02:00
head64.c x86_64: add workaround for no %gs-based percpu 2008-07-16 10:58:13 +02:00
head_32.S x86: fix cpu hotplug on 32bit 2008-07-27 21:43:11 +02:00
head_64.S Revert "x86_64: there's no need to preallocate level1_fixmap_pgt" 2008-07-16 11:07:30 +02:00
hpet.c rtc-cmos: avoid spurious irqs 2008-07-24 10:47:34 -07:00
i386_ksyms_32.c ftrace: store mcount address in rec->ip 2008-06-23 22:10:56 +02:00
i387.c x86, xsave: dynamically allocate sigframes fpstate instead of static allocation 2008-07-30 19:49:25 +02:00
i8237.c
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i8253.c x86: cleanup div_sc() usage 2008-04-26 17:35:47 +02:00
i8259.c x64, x2apic/intr-remap: 8259 specific mask/unmask routines 2008-07-12 08:44:55 +02:00
init_task.c [PATCH] take init_files to fs/file.c 2008-05-16 17:22:20 -04:00
io_apic_32.c x86: add setup_ioapic_ids for numaq in x86_quirks 2008-07-26 16:31:33 +02:00
io_apic_64.c Merge branch 'linus' into x86/x2apic 2008-07-25 13:08:16 +02:00
io_delay.c x86: io delay - add checking for NULL early param 2008-07-09 13:57:54 +02:00
ioport.c
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ipi.c x86: APIC: remove apic_write_around(); use alternatives 2008-07-18 12:51:21 +02:00
irq_32.c x86: use __page_aligned_data/bss 2008-07-16 10:54:39 +02:00
irq_64.c x86: make /proc/stat account for all interrupts 2008-05-25 07:11:49 +02:00
irqinit_32.c x86: rename the i8259_32/64.c leftovers to irqinit_32/64.c 2008-05-24 16:47:39 +02:00
irqinit_64.c x86-64: make BUILD_IRQ() also reset section back 2008-07-24 12:49:26 -07:00
k8.c
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kdebugfs.c x86: Add a arch directory for x86 under debugfs 2008-07-18 17:22:04 -07:00
kgdb.c x86: KGDB build fix 2008-04-19 19:19:54 +02:00
kprobes.c kprobes: improve kretprobe scalability with hashed locking 2008-07-25 10:53:30 -07:00
kvm.c x86: KVM guest: hypercall batching 2008-04-27 12:00:28 +03:00
kvmclock.c x86: KVM guest: make kvm_smp_prepare_boot_cpu() static 2008-07-20 12:42:37 +03:00
ldt.c cpumask: change cpumask_of_cpu_ptr to use new cpumask_of_cpu 2008-07-26 16:40:33 +02:00
machine_kexec_32.c kexec jump: save/restore device state 2008-07-26 12:00:04 -07:00
machine_kexec_64.c kexec jump 2008-07-26 12:00:04 -07:00
mca_32.c
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mfgpt_32.c geode: fix modular build 2008-06-12 21:25:51 +02:00
microcode.c cpumask: change cpumask_of_cpu_ptr to use new cpumask_of_cpu 2008-07-26 16:40:33 +02:00
mmconf-fam10h_64.c x86: move mmconfig declarations to header 2008-05-30 15:45:17 -07:00
module_32.c
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module_64.c PAGE_ALIGN(): correctly handle 64-bit values on 32-bit architectures 2008-07-24 10:47:21 -07:00
mpparse.c Merge branch 'linus' into x86/x2apic 2008-07-22 09:06:21 +02:00
msr.c device create: x86: convert device_create to device_create_drvdata 2008-07-21 21:54:46 -07:00
nmi.c Merge branches 'x86/urgent', 'x86/amd-iommu', 'x86/apic', 'x86/cleanups', 'x86/core', 'x86/cpu', 'x86/fixmap', 'x86/gart', 'x86/kprobes', 'x86/memtest', 'x86/modules', 'x86/nmi', 'x86/pat', 'x86/reboot', 'x86/setup', 'x86/step', 'x86/unify-pci', 'x86/uv', 'x86/xen' and 'xen-64bit' into x86/for-linus 2008-07-21 16:37:17 +02:00
numaq_32.c x86: add setup_ioapic_ids for numaq in x86_quirks 2008-07-26 16:31:33 +02:00
olpc.c x86: olpc: add One Laptop Per Child architecture support 2008-04-29 08:06:07 -07:00
paravirt.c Merge branch 'linus' into x86/x2apic 2008-07-25 13:08:16 +02:00
paravirt_patch_32.c x86/paravirt: split sysret and sysexit 2008-07-08 13:13:15 +02:00
paravirt_patch_64.c x86/paravirt: add sysret/sysexit pvops for returning to 32-bit compatibility userspace 2008-07-08 13:15:52 +02:00
pci-calgary_64.c x86 calgary: fix handling of devices that aren't behind the Calgary 2008-07-26 12:00:03 -07:00
pci-dma.c Merge branch 'linus' into core/generic-dma-coherent 2008-07-29 00:07:55 +02:00
pci-gart_64.c Merge branch 'x86/iommu' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip into for-linus 2008-07-28 14:31:10 -07:00
pci-nommu.c dma-mapping: add the device argument to dma_mapping_error() 2008-07-26 12:00:03 -07:00
pci-swiotlb_64.c dma-mapping: add the device argument to dma_mapping_error() 2008-07-26 12:00:03 -07:00
pcspeaker.c
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pmtimer_64.c
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probe_roms_32.c x86: seperate probe_roms into another file 2008-07-08 12:50:05 +02:00
process.c Merge branches 'x86/urgent', 'x86/amd-iommu', 'x86/apic', 'x86/cleanups', 'x86/core', 'x86/cpu', 'x86/fixmap', 'x86/gart', 'x86/kprobes', 'x86/memtest', 'x86/modules', 'x86/nmi', 'x86/pat', 'x86/reboot', 'x86/setup', 'x86/step', 'x86/unify-pci', 'x86/uv', 'x86/xen' and 'xen-64bit' into x86/for-linus 2008-07-21 16:37:17 +02:00
process_32.c Merge branch 'linus' into timers/nohz 2008-07-18 19:53:16 +02:00
process_64.c Merge branch 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2008-07-24 12:55:01 -07:00
ptrace.c x86 ptrace: user-sets-TF nits 2008-07-16 12:15:17 -07:00
pvclock.c x86: Add structs and functions for paravirt clocksource 2008-06-24 21:02:31 +03:00
quirks.c Merge branch 'timers/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2008-07-15 10:39:57 -07:00
reboot.c cpumask: change cpumask_of_cpu_ptr to use new cpumask_of_cpu 2008-07-26 16:40:33 +02:00
reboot_fixups_32.c x86: constify data in reboot.c 2008-05-25 08:58:30 +02:00
relocate_kernel_32.S kexec jump 2008-07-26 12:00:04 -07:00
relocate_kernel_64.S x86: relocate_kernel - use predefined macroses for page attributes 2008-04-17 17:41:29 +02:00
rtc.c provide rtc_cmos platform device 2008-06-12 18:05:42 -07:00
scx200_32.c
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setup.c Merge branch 'linus' into x86/x2apic 2008-07-25 13:08:16 +02:00
setup_percpu.c cpu masks: optimize and clean up cpumask_of_cpu() 2008-07-28 22:20:41 +02:00
sigframe.h x86, xsave: dynamically allocate sigframes fpstate instead of static allocation 2008-07-30 19:49:25 +02:00
signal_32.c x86, xsave: dynamically allocate sigframes fpstate instead of static allocation 2008-07-30 19:49:25 +02:00
signal_64.c x86, xsave: dynamically allocate sigframes fpstate instead of static allocation 2008-07-30 19:49:25 +02:00
smp.c generic-ipi: fixlet 2008-07-06 14:01:50 +02:00
smpboot.c Merge branch 'linus' into x86/x2apic 2008-07-25 13:08:16 +02:00
smpcommon.c x86: convert to generic helpers for IPI function calls 2008-06-26 11:21:54 +02:00
stacktrace.c stacktrace: fix modular build, export print_stack_trace and save_stack_trace 2008-06-30 09:20:55 +02:00
step.c x86 ptrace: user-sets-TF nits 2008-07-16 12:15:17 -07:00
summit_32.c x86: mach_summit to summit 2008-07-26 16:31:35 +02:00
sys_i386_32.c x86: coding style fixes to arch/x86/kernel/sys_i386_32.c 2008-06-10 12:34:54 +02:00
sys_x86_64.c unified (weak) sys_pipe implementation 2008-05-03 13:50:33 -07:00
syscall_64.c x86: consolidate header guards 2008-07-22 21:53:53 +02:00
syscall_table_32.S flag parameters add-on: remove epoll_create size param 2008-07-24 10:47:29 -07:00
tce_64.c
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test_nx.c x86: Explicitly include required header files. 2008-04-17 17:41:15 +02:00
test_rodata.c
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time_32.c x86: add ->pre_time_init to x86_quirks 2008-07-20 09:25:52 +02:00
time_64.c x86: merge tsc_init and clocksource code 2008-07-09 07:43:27 +02:00
tlb_32.c on_each_cpu(): kill unused 'retry' parameter 2008-06-26 11:24:38 +02:00
tlb_64.c Merge branch 'generic-ipi' into generic-ipi-for-linus 2008-07-15 21:55:59 +02:00
tlb_uv.c x86, SGI UV: uv_ptc_proc_write fix 2008-07-08 12:23:31 +02:00
tls.c
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tls.h
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topology.c
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trampoline.c x86: extend e820 ealy_res support 32bit 2008-05-25 10:55:11 +02:00
trampoline_32.S x86: trampoline_32.S - switch to .cpuinit.data 2008-04-26 17:35:47 +02:00
trampoline_64.S x86: move suspend wakeup code to C 2008-04-17 17:41:37 +02:00
traps_32.c x86, xsave: enable xsave/xrstor on cpus with xsave support 2008-07-30 19:49:24 +02:00
traps_64.c x86, xsave: context switch support using xsave/xrstor 2008-07-30 19:49:24 +02:00
tsc.c x86: fix TSC build error on 32bit 2008-07-15 22:46:47 +02:00
tsc_sync.c
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verify_cpu_64.S
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visws_quirks.c x86: introduce x86_quirks 2008-07-20 09:18:17 +02:00
vm86_32.c x86: replace most VM86 flags with flags from processor-flags.h 2008-04-17 17:41:33 +02:00
vmi_32.c Merge branch 'x86/apic' into x86/x2apic 2008-07-18 23:00:05 +02:00
vmiclock_32.c x86: rename paravirtualized TSC functions 2008-07-09 07:43:28 +02:00
vmlinux.lds.S
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vmlinux_32.lds.S Merge branch 'core/rodata' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2008-07-14 15:28:10 -07:00
vmlinux_64.lds.S Merge branch 'core/rodata' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2008-07-14 15:28:10 -07:00
vsmp_64.c x86: vsmp_64 add missing includes 2008-05-25 08:58:24 +02:00
vsyscall_64.c Merge branch 'generic-ipi' into generic-ipi-for-linus 2008-07-15 21:55:59 +02:00
x8664_ksyms_64.c Merge branch 'auto-ftrace-next' into tracing/for-linus 2008-07-14 16:11:52 +02:00
xsave.c x86, xsave: dynamically allocate sigframes fpstate instead of static allocation 2008-07-30 19:49:25 +02:00