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authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-03 11:56:24 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-03 11:56:24 -0800
commit61420f59a589c0668f70cbe725785837c78ece90 (patch)
tree79ae77d731cd2425677b9527d50079d8cf34c3b2 /arch/s390/kernel/vdso64/clock_getres.S
parentd97106ab53f812910a62d18afb9dbe882819c1ba (diff)
parentc742b31c03f37c5c499178f09f57381aa6c70131 (diff)
downloadlwn-61420f59a589c0668f70cbe725785837c78ece90.tar.gz
lwn-61420f59a589c0668f70cbe725785837c78ece90.zip
Merge branch 'cputime' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
* 'cputime' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [PATCH] fast vdso implementation for CLOCK_THREAD_CPUTIME_ID [PATCH] improve idle cputime accounting [PATCH] improve precision of idle time detection. [PATCH] improve precision of process accounting. [PATCH] idle cputime accounting [PATCH] fix scaled & unscaled cputime accounting
Diffstat (limited to 'arch/s390/kernel/vdso64/clock_getres.S')
-rw-r--r--arch/s390/kernel/vdso64/clock_getres.S5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/s390/kernel/vdso64/clock_getres.S b/arch/s390/kernel/vdso64/clock_getres.S
index 488e31a3c0e7..9ce8caafdb4e 100644
--- a/arch/s390/kernel/vdso64/clock_getres.S
+++ b/arch/s390/kernel/vdso64/clock_getres.S
@@ -22,7 +22,12 @@ __kernel_clock_getres:
cghi %r2,CLOCK_REALTIME
je 0f
cghi %r2,CLOCK_MONOTONIC
+ je 0f
+ cghi %r2,-2 /* CLOCK_THREAD_CPUTIME_ID for this thread */
jne 2f
+ larl %r5,_vdso_data
+ icm %r0,15,__LC_ECTG_OK(%r5)
+ jz 2f
0: ltgr %r3,%r3
jz 1f /* res == NULL */
larl %r1,3f