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3302caddf1
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Russell King 3302caddf1 ARM: entry: efficiency cleanups 
Make the "fast" syscall return path fast again.  The addition of IRQ
tracing and context tracking has made this path grossly inefficient.
We can do much better if these options are enabled if we save the
syscall return code on the stack - we then don't need to save a bunch
of registers around every single callout to C code.

Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-08-25 10:32:48 +01:00
..
alpha TTY/Serial driver patches for 4.2-rc1 2015-06-26 15:53:22 -07:00
arc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-07-04 19:36:06 -07:00
arm ARM: entry: efficiency cleanups 2015-08-25 10:32:48 +01:00
arm64 Various arm64 fixes: 2015-07-03 12:28:30 -07:00
avr32 Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-07-01 15:19:35 -07:00
blackfin Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-07-04 19:36:06 -07:00
c6x Merge branch 'for-4.2/sg' of git://git.kernel.dk/linux-block 2015-06-25 15:22:36 -07:00
cris Replace module_init with equivalent device_initcall in non modules. 2015-07-02 10:30:48 -07:00
frv Fix up implicit <module.h> users that will break later. 2015-07-02 10:25:22 -07:00
h8300 h8300: Always build dtb 2015-06-23 13:36:00 +09:00
hexagon Merge branch 'for-4.2/sg' of git://git.kernel.dk/linux-block 2015-06-25 15:22:36 -07:00
ia64 remove some boot noise from a now-invalid check that pages are reserved 2015-07-02 14:46:15 -07:00
m32r Merge branch 'for-4.2/sg' of git://git.kernel.dk/linux-block 2015-06-25 15:22:36 -07:00
m68k Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-07-01 15:19:35 -07:00
metag Merge branch 'akpm' (patches from Andrew) 2015-06-26 09:52:05 -07:00
microblaze Merge branch 'for-4.2/sg' of git://git.kernel.dk/linux-block 2015-06-25 15:22:36 -07:00
mips Devicetree changes for v4.2 2015-07-01 19:40:18 -07:00
mn10300 Replace module_init with equivalent device_initcall in non modules. 2015-07-02 10:30:48 -07:00
nios2 nios2 update for v4.2 2015-07-03 12:22:49 -07:00
openrisc Merge branch 'for-4.2/sg' of git://git.kernel.dk/linux-block 2015-06-25 15:22:36 -07:00
parisc Replace module_init with equivalent device_initcall in non modules. 2015-07-02 10:30:48 -07:00
powerpc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-07-04 19:36:06 -07:00
s390 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-07-04 19:36:06 -07:00
score Merge branch 'for-4.2/sg' of git://git.kernel.dk/linux-block 2015-06-25 15:22:36 -07:00
sh Replace module_init with equivalent device_initcall in non modules. 2015-07-02 10:30:48 -07:00
sparc Merge branch 'akpm' (patches from Andrew) 2015-06-26 09:52:05 -07:00
tile Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-07-04 19:36:06 -07:00
um Minor merge needed, due to function move. 2015-07-01 10:49:25 -07:00
unicore32 arch/unicore32/kernel/fpu-ucf64.c: remove unnecessary KERN_ERR 2015-06-30 19:44:59 -07:00
x86 platform-drivers-x86 for 4.2-2 2015-07-05 10:54:09 -07:00
xtensa Replace module_init with equivalent device_initcall in non modules. 2015-07-02 10:30:48 -07:00
.gitignore
Kconfig clone: support passing tls argument via C rather than pt_regs magic 2015-06-25 17:00:38 -07:00