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aa283f49276e7d840a40fb01eee6de97eaa7e012
ubports_kernel_google_msm/arch/x86/kernel
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Suresh Siddha aa283f4927 x86, fpu: lazy allocation of FPU area - v5 
Only allocate the FPU area when the application actually uses FPU, i.e., in the
first lazy FPU trap. This could save memory for non-fpu using apps.

for example: on my system after boot, there are around 300 processes, with
only 17 using FPU.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: 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
…
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_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
asm-offsets.c
…
audit_64.c
…
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_dump_32.c
…
crash_dump_64.c
…
crash.c
x86: move ipi definitions to mach_ipi.h
2008-04-17 17:41:30 +02:00
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_printk.c
x86: coding style fixes to x86/kernel/early_printk.c
2008-04-17 17:40:51 +02:00
early-quirks.c
x86: fix section mismatch warning in early-quirks.c
2008-01-30 13:33:37 +01:00
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
…
efi_stub_64.S
x86: EFI runtime service support
2008-01-30 13:31:19 +01:00
efi.c
x86: EFI_PAGE_SHIFT fix
2008-04-19 19:19:54 +02:00
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: lazy allocation of FPU area - v5
2008-04-19 19:19:55 +02:00
i8237.c
…
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
…
k8.c
…
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
Makefile
x86, fpu: split FPU state from task struct - v5
2008-04-19 19:19:55 +02:00
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
…
module_64.c
…
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_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
paravirt.c
x86: paravirt_ops: don't steal memory resources in paravirt_disable_iospace
2008-04-17 17:41:33 +02:00
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
…
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
…
pci-swiotlb_64.c
…
pcspeaker.c
…
pmtimer_64.c
…
process_32.c
x86, fpu: lazy allocation of FPU area - v5
2008-04-19 19:19:55 +02:00
process_64.c
x86, fpu: lazy allocation of FPU area - v5
2008-04-19 19:19:55 +02:00
process.c
x86, fpu: lazy allocation of FPU area - 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_fixups_32.c
x86: add the RDC machine specific reboot fixup
2008-01-30 13:33:36 +01:00
reboot.c
x86: use cpu_online()
2008-04-17 17:41:36 +02:00
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
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
setup.c
x86: move up & smp variables to setup.c
2008-04-17 17:41:35 +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_32.c
x86: create smpcommon.c
2008-04-17 17:40:55 +02:00
smpcommon.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
…
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
…
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
…
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_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
trampoline.c
x86: standalone trampoline code
2008-04-17 17:41:37 +02:00
traps_32.c
x86, fpu: lazy allocation of FPU area - v5
2008-04-19 19:19:55 +02:00
traps_64.c
x86, fpu: lazy allocation of FPU area - 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
…
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_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
vmlinux.lds.S
…
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