Kevin Hao 037f0eed57 powerpc: Make flush_fp_to_thread() nop when CONFIG_PPC_FPU is disabled ...

In the current kernel, the function flush_fp_to_thread() is not
dependent on CONFIG_PPC_FPU. So most invocations of this function
is not wrapped by CONFIG_PPC_FPU. Even through we don't really
save the FPRs to the thread struct if CONFIG_PPC_FPU is not enabled,
but there does have some runtime overhead such as the check for
tsk->thread.regs and preempt disable and enable. It really make
no sense to do that. So make it a nop when CONFIG_PPC_FPU is
disabled. Also remove the wrapped #ifdef CONFIG_PPC_FPU
when invoking this function.

Signed-off-by: Kevin Hao <haokexin@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

2013-08-14 14:59:44 +10:00

..

vdso32

…

vdso64

…

.gitignore

…

align.c

powerpc: Handle unaligned ldbrx/stdbrx

2013-08-14 11:50:20 +10:00

asm-offsets.c

powerpc/perf: Drop MMCRA from thread_struct

2013-07-01 11:50:07 +10:00

audit.c

…

btext.c

powerpc/pmac: Early debug output on screen on 64-bit macs

2013-08-14 14:57:40 +10:00

cacheinfo.c

powerpc: Delete __cpuinit usage from all users

2013-07-01 11:10:36 +10:00

cacheinfo.h

…

clock.c

…

compat_audit.c

…

cpu_setup_6xx.S

…

cpu_setup_44x.S

…

cpu_setup_a2.S

…

cpu_setup_fsl_booke.S

powerpc/85xx: Add machine check handler to fix PCIe erratum on mpc85xx

2013-07-30 15:50:07 -05:00

cpu_setup_pa6t.S

…

cpu_setup_power.S

powerpc: Fix TLB cleanup at boot on POWER8

2013-05-24 18:13:44 +10:00

cpu_setup_ppc970.S

…

cputable.c

Merge remote-tracking branch 'scott/next' into next

2013-08-09 16:01:40 +10:00

crash_dump.c

powerpc: Remove savemaxmem parameter setup

2013-07-03 16:08:03 -07:00

crash.c

…

dbell.c

…

dma-iommu.c

…

dma-swiotlb.c

…

dma.c

…

eeh_cache.c

powerpc/eeh: Remove reference to PCI device

2013-07-24 14:18:46 +10:00

eeh_dev.c

powerpc/eeh: Move common part to kernel directory

2013-06-20 17:05:35 +10:00

eeh_driver.c

powerpc/eeh: Fix unbalanced enable for IRQ

2013-07-24 14:18:49 +10:00

eeh_event.c

powerpc/eeh: Use interruptible sleep in keehd

2013-06-25 17:24:41 +10:00

eeh_pe.c

powerpc/eeh: Don't use pci_dev during BAR restore

2013-07-24 14:18:49 +10:00

eeh_sysfs.c

powerpc/eeh: Introdce flag to protect sysfs

2013-07-24 14:18:49 +10:00

eeh.c

powerpc/eeh: Introdce flag to protect sysfs

2013-07-24 14:18:49 +10:00

entry_32.S

powerpc/32bit:Store temporary result in r0 instead of r8

2013-06-01 08:29:27 +10:00

entry_64.S

powerpc/ppc64: Rename SOFT_DISABLE_INTS with RECONCILE_IRQ_STATE

2013-08-14 14:57:47 +10:00

epapr_hcalls.S

…

epapr_paravirt.c

powerpc/85xx: Move ePAPR paravirt initialization earlier

2013-08-07 18:38:06 -05:00

exceptions-64e.S

powerpc/ppc64: Rename SOFT_DISABLE_INTS with RECONCILE_IRQ_STATE

2013-08-14 14:57:47 +10:00

exceptions-64s.S

Linux 3.10

2013-07-01 17:57:25 +10:00

fadump.c

…

firmware.c

…

fpu.S

…

fsl_booke_entry_mapping.S

…

ftrace.c

…

head_8xx.S

…

head_32.S

…

head_40x.S

…

head_44x.S

powerpc: Fix interrupt range check on debug exception

2013-05-02 10:31:01 +10:00

head_64.S

powerpc: Align p_toc

2013-08-14 11:50:19 +10:00

head_booke.h

powerpc: Fix interrupt range check on debug exception

2013-05-02 10:31:01 +10:00

head_fsl_booke.S

powerpc: Fix interrupt range check on debug exception

2013-05-02 10:31:01 +10:00

hw_breakpoint.c

powerpc/hw_brk: Fix off by one error when validating DAWR region end

2013-07-02 08:20:49 +10:00

ibmebus.c

ibmebus: convert of_platform_driver to platform_driver

2013-06-12 12:37:26 +01:00

idle_6xx.S

…

idle_book3e.S

…

idle_e500.S

…

idle_power4.S

…

idle_power7.S

…

idle.c

powerpc/idle: Convert use of typedef ctl_table to struct ctl_table

2013-07-01 11:10:35 +10:00

io-workarounds.c

powerpc: Better split CONFIG_PPC_INDIRECT_PIO and CONFIG_PPC_INDIRECT_MMIO

2013-08-14 14:57:50 +10:00

io.c

powerpc/powernv: Add PIO accessors for Power8 LPC bus

2013-08-14 14:58:08 +10:00

iomap.c

…

iommu.c

powerpc/vfio: Enable on PowerNV platform

2013-06-20 16:55:14 +10:00

irq.c

powerpc: Rename PMU interrupts from CNT to PMI

2013-08-01 13:11:46 +10:00

isa-bridge.c

…

jump_label.c

…

kgdb.c

…

kprobes.c

powerpc: Move the single step enable code to a generic path

2013-06-20 16:55:09 +10:00

kvm_emul.S

…

kvm.c

mm: enhance free_reserved_area() to support poisoning memory with zero

2013-07-03 16:07:32 -07:00

l2cr_6xx.S

…

legacy_serial.c

powerpc: Check "status" property before adding legacy ISA serial ports

2013-08-14 14:58:21 +10:00

lparcfg.c

powerpc: Stop using non-architected shared_proc field in lppaca

2013-08-14 11:50:26 +10:00

machine_kexec_32.c

…

machine_kexec_64.c

powerpc/kexec: Fix kexec when using VMX optimised memcpy

2013-05-14 14:36:23 +10:00

machine_kexec.c

…

Makefile

powerpc/8xx: Remove last traces of 8XX_MINIMAL_FPEMU

2013-08-14 14:58:53 +10:00

misc_32.S

powerpc: Remove the symbol __flush_icache_range

2013-08-14 14:56:44 +10:00

misc_64.S

powerpc: remove the unused function disable_kernel_fp()

2013-08-14 14:59:25 +10:00

misc.S

…

module_32.c

…

module_64.c

…

module.c

…

msi.c

…

nvram_64.c

powerpc/nvram64: Need return the related error code on failure occurs

2013-07-01 11:46:56 +10:00

of_platform.c

…

paca.c

…

pci_32.c

powerpc/pci: Support per-aperture memory offset

2013-05-06 13:40:40 +10:00

pci_64.c

powerpc/pci: Don't use bitfield for force_32bit_msi

2013-08-14 11:50:25 +10:00

pci_dn.c

powerpc: Make radeon 32-bit MSI quirk work on powernv

2013-05-24 18:13:45 +10:00

pci_of_scan.c

powerpc/pci: Partial tree hotplug support

2013-07-24 14:18:48 +10:00

pci-common.c

powerpc/pci: Remove duplicate check in pcibios_fixup_bus()

2013-08-14 14:57:36 +10:00

pci-hotplug.c

powerpc/pci: Partial tree hotplug support

2013-07-24 14:18:48 +10:00

pmc.c

…

ppc32.h

…

ppc_ksyms.c

powerpc: Remove the symbol __flush_icache_range

2013-08-14 14:56:44 +10:00

ppc_save_regs.S

…

proc_powerpc.c

proc_powerpc: switch to fixed_size_llseek()

2013-06-29 12:57:50 +04:00

process.c

powerpc: Make flush_fp_to_thread() nop when CONFIG_PPC_FPU is disabled

2013-08-14 14:59:44 +10:00

prom_init_check.sh

powerpc/pmac: Early debug output on screen on 64-bit macs

2013-08-14 14:57:40 +10:00

prom_init.c

powerpc/pmac: Early debug output on screen on 64-bit macs

2013-08-14 14:57:40 +10:00

prom_parse.c

…

prom.c

powerpc/powernv: Add helper to get ibm,chip-id of a node

2013-08-14 14:58:02 +10:00

ptrace32.c

…

ptrace.c

ptrace/powerpc: revert "hw_breakpoints: Fix racy access to ptrace breakpoints"

2013-07-09 10:33:25 -07:00

reloc_32.S

powerpc: Don't flush/invalidate the d/icache for an unknown relocation type

2013-07-01 11:10:34 +10:00

reloc_64.S

…

rtas_flash.c

powerpc/rtas_flash: Fix validate_flash buffer overflow issue

2013-05-14 14:36:26 +10:00

rtas_pci.c

…

rtas-proc.c

…

rtas-rtc.c

…

rtas.c

powerpc: Delete __cpuinit usage from all users

2013-07-01 11:10:36 +10:00

rtasd.c

…

setup_32.c

powerpc/85xx: Move ePAPR paravirt initialization earlier

2013-08-07 18:38:06 -05:00

setup_64.c

powerpc: Better split CONFIG_PPC_INDIRECT_PIO and CONFIG_PPC_INDIRECT_MMIO

2013-08-14 14:57:50 +10:00

setup-common.c

…

setup.h

…

signal_32.c

powerpc: Fix VRSAVE handling

2013-08-14 14:57:18 +10:00

signal_64.c

powerpc: Remove the redundant flush_fp_to_thread() in setup_sigcontext()

2013-08-14 14:59:38 +10:00

signal.c

powerpc/tm: Fix userspace stack corruption on signal delivery for active transactions

2013-06-01 08:29:23 +10:00

signal.h

powerpc/tm: Fix userspace stack corruption on signal delivery for active transactions

2013-06-01 08:29:23 +10:00

smp-tbsync.c

…

smp.c

powerpc: Add smp_generic_cpu_bootable

2013-08-14 14:56:50 +10:00

stacktrace.c

…

suspend.c

…

swsusp_32.S

…

swsusp_64.c

…

swsusp_asm64.S

…

swsusp_booke.S

powerpc/mpc85xx: invalidate TLB after hibernation resume

2013-07-30 15:50:08 -05:00

swsusp.c

…

sys_ppc32.c

unify compat fanotify_mark(2), switch to COMPAT_SYSCALL_DEFINE

2013-05-09 13:46:38 -04:00

syscalls.c

…

sysfs.c

powerpc: Delete __cpuinit usage from all users

2013-07-01 11:10:36 +10:00

systbl_chk.c

…

systbl_chk.sh

…

systbl.S

…

tau_6xx.c

…

time.c

powerpc: Delete __cpuinit usage from all users

2013-07-01 11:10:36 +10:00

tm.S

powerpc: Fix VRSAVE handling

2013-08-14 14:57:18 +10:00

traps.c

powerpc: Introduce function emulate_math()

2013-08-14 14:59:12 +10:00

udbg_16550.c

powerpc: Cleanup udbg_16550 and add support for LPC PIO-only UARTs

2013-08-14 14:58:15 +10:00

udbg.c

powerpc: Add a configuration option for early BootX/OpenFirmware debug

2013-06-20 16:55:12 +10:00

uprobes.c

…

vdso.c

powerpc: Delete __cpuinit usage from all users

2013-07-01 11:10:36 +10:00

vecemu.c

…

vector.S

…

vio.c

…

vmlinux.lds.S

powerpc/modules: Module CRC relocation fix causes perf issues

2013-07-24 14:18:43 +10:00