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android_kernel_samsung_msm8976/arch/s390/kernel
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Martin Schwidefsky 2688905e6a [S390] s390: Optimize user and work TIF check 
On return from syscall or interrupt, we have to check if we return to
userspace (likely) and if there is work todo (less likely) to decide
if we handle the work. We can optimize this check: we first check for
the less likely work case and then check for userspace.

This patch is also a preparation for an additional patch, that fixes a bug
in KVM dealing with cpu bound guests.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-05-07 09:23:00 +02:00
..
asm-offsets.c s390: use kbuild.h instead of defining macros in asm-offsets.c 2008-04-29 08:06:30 -07:00
audit.c [S390] Get rid of a bunch of sparse warnings again. 2007-10-12 16:13:06 +02:00
audit.h [S390] Get rid of a bunch of sparse warnings again. 2007-10-12 16:13:06 +02:00
base.S [S390] Convert memory detection into C code. 2007-02-05 21:18:37 +01:00
binfmt_elf32.c [S390] dynamic page tables. 2008-02-09 18:24:41 +01:00
bitmap.S
compat_audit.c [S390] Get rid of a bunch of sparse warnings again. 2007-10-12 16:13:06 +02:00
compat_exec_domain.c [S390] Get rid of a lot of sparse warnings. 2007-02-05 21:16:47 +01:00
compat_linux.c arch: Remove unnecessary inclusions of asm/semaphore.h 2008-04-18 22:14:49 -04:00
compat_linux.h [S390] Fix a lot of sparse warnings. 2008-04-17 07:47:06 +02:00
compat_ptrace.h
compat_signal.c [S390] Fix a lot of sparse warnings. 2008-04-17 07:47:06 +02:00
compat_wrapper.S [S390] Wire up new timerfd syscalls. 2008-02-09 18:24:37 +01:00
cpcmd.c [S390] cpcmd: fix inline assembly usage. 2007-10-12 16:13:09 +02:00
crash.c [S390] Get rid of a lot of sparse warnings. 2007-02-05 21:16:47 +01:00
debug.c arch: Remove unnecessary inclusions of asm/semaphore.h 2008-04-18 22:14:49 -04:00
diag.c [S390] vmur: fix diag14 exceptions with addresses > 2GB. 2007-08-22 13:51:47 +02:00
dis.c [S390] disassembler: Remove redundant variable assignment 2007-10-12 16:13:06 +02:00
early.c [S390] System z large page support. 2008-04-30 13:38:47 +02:00
ebcdic.c [S390] Get rid of a lot of sparse warnings. 2007-02-05 21:16:47 +01:00
entry.h [S390] Fix a lot of sparse warnings. 2008-04-17 07:47:06 +02:00
entry.S [S390] s390: Optimize user and work TIF check 2008-05-07 09:23:00 +02:00
entry64.S [S390] s390: Optimize user and work TIF check 2008-05-07 09:23:00 +02:00
head.S [S390] Get rid of new section mismatch warnings. 2007-07-27 12:29:18 +02:00
head31.S [S390] Convert machine feature detection code to C. 2008-04-30 13:38:47 +02:00
head64.S [S390] System z large page support. 2008-04-30 13:38:47 +02:00
init_task.c Remove fs.h from mm.h 2007-07-29 17:09:29 -07:00
ipl.c [S390] Fix a lot of sparse warnings. 2008-04-17 07:47:06 +02:00
irq.c proper __do_softirq() prototype 2008-04-29 08:06:02 -07:00
kprobes.c [S390] Fix a lot of sparse warnings. 2008-04-17 07:47:06 +02:00
machine_kexec.c [S390] nss: disable kexec. 2007-03-05 23:35:45 +01:00
Makefile [S390] remove -traditional 2008-04-30 13:38:44 +02:00
module.c [S390] Use generic bug. 2007-04-27 16:01:42 +02:00
process.c [S390] Move show_regs to traps.c. 2008-04-30 13:38:43 +02:00
ptrace.c [S390] use generic sys_ptrace 2008-04-30 13:38:48 +02:00
reipl.S [S390] reipl: move dump_prefix_page out of text section. 2007-03-05 23:35:43 +01:00
reipl64.S [S390] reipl: move dump_prefix_page out of text section. 2007-03-05 23:35:43 +01:00
relocate_kernel.S [S390] Reset infrastructure for re-IPL. 2006-12-04 15:40:26 +01:00
relocate_kernel64.S [S390] Reset infrastructure for re-IPL. 2006-12-04 15:40:26 +01:00
s390_ext.c [S390] Fix a lot of sparse warnings. 2008-04-17 07:47:06 +02:00
s390_ksyms.c Generic semaphore implementation 2008-04-17 10:42:34 -04:00
setup.c [S390] System z large page support. 2008-04-30 13:38:47 +02:00
signal.c [S390] Fix a lot of sparse warnings. 2008-04-17 07:47:06 +02:00
smp.c [S390] Automatically detect added cpus. 2008-04-30 13:38:44 +02:00
stacktrace.c [S390] latencytop s390 support. 2008-02-05 16:50:59 +01:00
sys_s390.c unified (weak) sys_pipe implementation 2008-05-03 13:50:33 -07:00
syscalls.S [S390] Wire up new timerfd syscalls. 2008-02-09 18:24:37 +01:00
time.c [S390] Fix a lot of sparse warnings. 2008-04-17 07:47:06 +02:00
topology.c [S390] cpu topology: Fix possible deadlock. 2008-04-30 13:38:45 +02:00
traps.c [S390] Move show_regs to traps.c. 2008-04-30 13:38:43 +02:00
vmlinux.lds.S [S390] Fix linker script. 2008-02-05 16:50:55 +01:00
vtime.c KVM: s390: arch backend for the kvm kernel module 2008-04-27 12:00:42 +03:00