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Suresh Siddha 61c4628b53 x86, fpu: split FPU state from task struct - v5 
Split the FPU save area from the task struct. This allows easy migration
of FPU context, and it's generally cleaner. It also allows the following
two optimizations:

1) only allocate when the application actually uses FPU, so in the first
lazy FPU trap. This could save memory for non-fpu using apps. Next patch
does this lazy allocation.

2) allocate the right size for the actual cpu rather than 512 bytes always.
Patches enabling xsave/xrstor support (coming shortly) will take advantage
of this.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
 		2008-04-19 19:19:55 +02:00
..
acpi x86: remove pointless comments 2008-04-19 19:19:54 +02:00
cpu x86: remove pointless comments 2008-04-19 19:19:54 +02:00
.gitignore .gitignore update for x86 arch 2007-10-17 21:19:04 +02:00
Makefile x86, fpu: split FPU state from task struct - v5 2008-04-19 19:19:55 +02:00
alternative.c x86: fix test_poke for vmalloced pages 2008-04-17 17:41:29 +02:00
aperture_64.c x86: clean up aperture_64.c 2008-04-17 17:41:19 +02:00
apic_32.c x86: move up & smp variables to setup.c 2008-04-17 17:41:35 +02:00
apic_64.c x86: move up & smp variables to setup.c 2008-04-17 17:41:35 +02:00
apm_32.c x86: switch to proc_create() 2008-04-17 17:40:51 +02:00
asm-offsets.c i386: move kernel 2007-10-11 11:17:01 +02:00
asm-offsets_32.c x86: move struct definitions to unifed sigframe.h 2008-04-17 17:40:46 +02:00
asm-offsets_64.c x86: add asm_offset PARAVIRT constants 2008-01-30 13:33:19 +01:00
audit_64.c x86_64: move kernel 2007-10-11 11:17:24 +02:00
bootflag.c x86: coding style cleanup for kernel/bootflag.c 2008-01-30 13:32:31 +01:00
bugs_64.c x86: don't use large pages to map the first 2/4MB of memory 2008-04-17 17:41:30 +02:00
cpuid.c x86: cpuid, msr: use inode mutex instead of big kernel lock 2008-02-04 16:47:59 +01:00
crash.c x86: move ipi definitions to mach_ipi.h 2008-04-17 17:41:30 +02:00
crash_dump_32.c kmap leak fix for x86_32 kdump 2007-10-19 11:53:33 -07:00
crash_dump_64.c Delete filenames in comments. 2007-10-13 10:01:23 -07:00
doublefault_32.c x86: unify tss_struct 2008-01-30 13:31:31 +01:00
ds.c x86: debug Store - call kfree if only we really need it 2008-04-17 17:41:34 +02:00
e820_32.c x86: rename find_max_pfn() to propagate_e820_map() 2008-04-19 19:19:55 +02:00
e820_64.c x86: e820_64, fix section mismatch warning 2008-04-19 19:19:54 +02:00
early-quirks.c x86: fix section mismatch warning in early-quirks.c 2008-01-30 13:33:37 +01:00
early_printk.c x86: coding style fixes to x86/kernel/early_printk.c 2008-04-17 17:40:51 +02:00
efi.c x86: EFI_PAGE_SHIFT fix 2008-04-19 19:19:54 +02:00
efi_32.c x86: sparse error in efi_32.c 2008-02-19 16:18:28 +01:00
efi_64.c x86: EFI_PAGE_SHIFT fix 2008-04-19 19:19:54 +02:00
efi_stub_32.S i386: move kernel 2007-10-11 11:17:01 +02:00
efi_stub_64.S x86: EFI runtime service support 2008-01-30 13:31:19 +01:00
entry_32.S x86: remove pointless comments 2008-04-19 19:19:54 +02:00
entry_64.S x86: ptrace vs -ENOSYS 2008-04-17 17:41:13 +02:00
genapic_64.c x86: move x86_cpu_to_apicid_init to smpboot.c 2008-04-17 17:41:34 +02:00
genapic_flat_64.c x86: use cpumask_of_cpu() 2008-04-17 17:41:36 +02:00
genx2apic_uv_x.c x86: support for new UV apic 2008-04-17 17:41:33 +02:00
geode_32.c x86: GEODE: MFGPT: Use "just-in-time" detection for the MFGPT timers 2008-02-09 23:24:08 +01:00
head32.c x86: introduce kernel/head32.c 2008-04-17 17:40:49 +02:00
head64.c x86_64: do not reserve ramdisk two times 2008-04-19 19:19:54 +02:00
head_32.S x86: remove pointless comments 2008-04-19 19:19:54 +02:00
head_64.S x86: move suspend wakeup code to C 2008-04-17 17:41:37 +02:00
hpet.c x86: revert assign IRQs to hpet timer 2008-04-04 18:36:49 +02:00
i386_ksyms_32.c Generic semaphore implementation 2008-04-17 10:42:34 -04:00
i387.c x86, fpu: split FPU state from task struct - v5 2008-04-19 19:19:55 +02:00
i8237.c Driver core: change sysdev classes to use dynamic kobject names 2008-01-24 20:40:40 -08:00
i8253.c x86: pit_clockevent can be static 2008-02-13 16:20:35 +01:00
i8259_32.c x86: i8259A: remove redundant irq_descinitialization 2008-02-19 16:18:34 +01:00
i8259_64.c x86: provide a native_init_IRQ function on 64-bit 2008-01-30 13:33:19 +01:00
init_task.c x86: delay the export removal of init_mm 2008-02-29 18:55:42 +01:00
io_apic_32.c x86: remove unnecessary tmp local variable 2008-04-17 17:41:36 +02:00
io_apic_64.c x86: use cpumask_of_cpu() 2008-04-17 17:41:36 +02:00
io_delay.c x86: add dmi quirk for io_delay 2008-03-26 22:23:40 +01:00
ioport.c x86: refactor ioport unification 2008-01-30 13:33:10 +01:00
ipi.c x86: create ipi.c 2008-04-17 17:40:56 +02:00
irq_32.c x86: replace remaining __FUNCTION__ occurances 2008-04-17 17:40:57 +02:00
irq_64.c x86: rename the struct pt_regs members for 32/64-bit consistency 2008-01-30 13:30:56 +01:00
k8.c x86_64: move kernel 2007-10-11 11:17:24 +02:00
kdebugfs.c x86 boot : export boot_params via debugfs for debugging 2008-01-30 13:32:51 +01:00
kgdb.c x86: KGDB build fix 2008-04-19 19:19:54 +02:00
kprobes.c x86: replace most VM86 flags with flags from processor-flags.h 2008-04-17 17:41:33 +02:00
ldt.c x86: cleanup - eliminate numbers in LDT allocation code 2008-02-04 16:48:03 +01:00
machine_kexec_32.c vmcoreinfo: fix the configuration dependencies 2008-02-07 08:42:25 -08:00
machine_kexec_64.c vmcoreinfo: add the symbol "phys_base" 2008-04-02 15:28:19 -07:00
mca_32.c x86: coding style fixes to arch/x86/kernel/mca_32.c 2008-04-17 17:40:49 +02:00
mfgpt_32.c x86: GEODE: add missing module.h include 2008-03-26 22:23:40 +01:00
microcode.c x86: microcode: show results on success too 2008-04-17 17:41:32 +02:00
module_32.c i386: move kernel 2007-10-11 11:17:01 +02:00
module_64.c x86_64: move kernel 2007-10-11 11:17:24 +02:00
mpparse.c x86: print out buggy mptable 2008-04-17 17:41:36 +02:00
msr.c x86: coding style fixes to arch/x86/kernel/msr.c 2008-04-17 17:40:50 +02:00
nmi_32.c ftrace: add notrace annotations for NMI routines 2008-04-19 19:19:55 +02:00
nmi_64.c ftrace: add notrace annotations for NMI routines 2008-04-19 19:19:55 +02:00
numaq_32.c x86: convert TSC disabling to generic cpuid disable bitmap 2008-01-30 13:33:20 +01:00
paravirt.c x86: paravirt_ops: don't steal memory resources in paravirt_disable_iospace 2008-04-17 17:41:33 +02:00
paravirt_patch_32.c x86: move patching code to arch-specific file. 2008-01-30 13:32:10 +01:00
paravirt_patch_64.c x86: add stringify header 2008-01-30 13:33:19 +01:00
pci-calgary_64.c iommu sg: x86: convert calgary IOMMU to use the IOMMU helper 2008-02-05 09:44:11 -08:00
pci-dma_32.c i386: Clean up duplicate includes in arch/i386/kernel/ 2007-10-17 20:15:51 +02:00
pci-dma_64.c x86 iommu: add more documentation 2008-04-17 17:40:59 +02:00
pci-gart_64.c x86, agpgart: scary messages are fortunately obsolete 2008-04-04 18:36:46 +02:00
pci-nommu_64.c x86 gart: rename iommu.h to gart.h 2007-10-30 00:22:22 +01:00
pci-swiotlb_64.c x86: nuke a ton of unused exports 2008-01-30 13:30:28 +01:00
pcspeaker.c i386: move kernel 2007-10-11 11:17:01 +02:00
pmtimer_64.c x86: move pmtmr related declarations 2008-01-30 13:30:18 +01:00
process.c x86, fpu: split FPU state from task struct - v5 2008-04-19 19:19:55 +02:00
process_32.c x86, fpu: split FPU state from task struct - v5 2008-04-19 19:19:55 +02:00
process_64.c x86, fpu: split FPU state from task struct - v5 2008-04-19 19:19:55 +02:00
ptrace.c x86: regparm(3) is mandatory, no need to annotate 2008-04-17 17:40:45 +02:00
quirks.c x86: hpet clock enable quirk on nVidia nForce 430 2008-03-21 17:06:15 +01:00
reboot.c x86: use cpu_online() 2008-04-17 17:41:36 +02:00
reboot_fixups_32.c x86: add the RDC machine specific reboot fixup 2008-01-30 13:33:36 +01:00
relocate_kernel_32.S x86: relocate_kernel - use predefined macroses for page attributes 2008-04-17 17:41:29 +02:00
relocate_kernel_64.S x86: relocate_kernel - use predefined macroses for page attributes 2008-04-17 17:41:29 +02:00
rtc.c x86: fix cmos read and write to not use inb_p and outb_p 2008-04-17 17:40:47 +02:00
scx200_32.c x86: fix sparse warning in kernel/scx200_32.c 2008-01-31 22:05:45 +01:00
setup.c x86: move up & smp variables to setup.c 2008-04-17 17:41:35 +02:00
setup64.c x86: fix exec mappings comments 2008-04-19 19:19:55 +02:00
setup_32.c x86: rename find_max_pfn() to propagate_e820_map() 2008-04-19 19:19:55 +02:00
setup_64.c x86_64: do not reserve ramdisk two times 2008-04-19 19:19:54 +02:00
sigframe.h x86: move struct definitions to unifed sigframe.h 2008-04-17 17:40:46 +02:00
signal_32.c x86: replace most VM86 flags with flags from processor-flags.h 2008-04-17 17:41:33 +02:00
signal_64.c x86: remove DEBUG_SIG 2008-04-17 17:40:57 +02:00
smp.c x86: move ipi definitions to mach_ipi.h 2008-04-17 17:41:30 +02:00
smpboot.c x86: standalone trampoline code 2008-04-17 17:41:37 +02:00
smpcommon.c x86: create smpcommon.c 2008-04-17 17:40:55 +02:00
smpcommon_32.c x86: create smpcommon.c 2008-04-17 17:40:55 +02:00
srat_32.c x86: replace remaining __FUNCTION__ occurances 2008-04-17 17:40:57 +02:00
stacktrace.c x86: don't save unreliable stack trace entries 2008-02-26 12:55:58 +01:00
step.c x86: prevent unconditional writes to DebugCtl MSR 2008-04-17 17:40:58 +02:00
summit_32.c x86: move mp_bus_id_to_node to numa.c 2008-04-17 17:40:59 +02:00
sys_i386_32.c remove include/asm-*/ipc.h 2007-10-17 08:42:55 -07:00
sys_x86_64.c x86: PIE executable randomization, checkpatch fixes 2008-01-30 13:31:07 +01:00
syscall_64.c x86: coding style fixes to arch/x86/kernel/syscall_64.c 2008-04-17 17:40:48 +02:00
syscall_table_32.S timerfd: wire the new timerfd API to the x86 family 2008-02-05 09:44:07 -08:00
tce_64.c x86: Create clflush() inline, remove hardcoded wbinvd 2007-10-17 20:16:12 +02:00
test_nx.c x86: Explicitly include required header files. 2008-04-17 17:41:15 +02:00
test_rodata.c x86: include proper prototypes for rodata_test 2008-02-14 23:30:20 +01:00
time_32.c x86: rename the struct pt_regs members for 32/64-bit consistency 2008-01-30 13:30:56 +01:00
time_64.c time: fix typo in comments 2008-02-08 09:22:29 -08:00
tlb_32.c x86: create tlb files 2008-04-17 17:40:56 +02:00
tlb_64.c x86: move ipi definitions to mach_ipi.h 2008-04-17 17:41:30 +02:00
tls.c asmlinkage_protect replaces prevent_tail_call 2008-04-10 17:28:26 -07:00
tls.h x86: x86 user_regset TLS 2008-01-30 13:31:52 +01:00
topology.c x86: fix section mismatch warning in topology.c:arch_register_cpu 2008-02-19 16:18:30 +01:00
trampoline.c x86: standalone trampoline code 2008-04-17 17:41:37 +02:00
trampoline_32.S x86: remove misleading comments in trampoline_*.S 2008-02-04 16:48:01 +01:00
trampoline_64.S x86: move suspend wakeup code to C 2008-04-17 17:41:37 +02:00
traps_32.c x86, fpu: split FPU state from task struct - v5 2008-04-19 19:19:55 +02:00
traps_64.c x86, fpu: split FPU state from task struct - v5 2008-04-19 19:19:55 +02:00
tsc_32.c x86: tsc prevent time going backwards 2008-04-19 19:19:55 +02:00
tsc_64.c x86: tsc prevent time going backwards 2008-04-19 19:19:55 +02:00
tsc_sync.c x86: add warning to check_tsc_warp() 2008-01-30 13:33:24 +01:00
verify_cpu_64.S x86_64: move kernel 2007-10-11 11:17:24 +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 x86: VMI fix 2008-02-04 16:47:54 +01:00
vmiclock_32.c x86: isolate PIC/PIT in/out calls 2008-01-30 13:33:14 +01:00
vmlinux.lds.S i386: move kernel 2007-10-11 11:17:01 +02:00
vmlinux_32.lds.S x86: use ELF section to list CPU vendor specific code 2008-04-17 17:40:47 +02:00
vmlinux_64.lds.S x86: use ELF section to list CPU vendor specific code 2008-04-17 17:40:47 +02:00
vsmp_64.c x86: clean up vSMP detection 2008-04-17 17:41:29 +02:00
vsyscall_64.c x86: restore vsyscall64 prochandler 2008-02-29 18:55:39 +01:00
x8664_ksyms_64.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86 2008-04-18 08:25:51 -07:00