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(parent: cac7f24) | patch
s390/time: use stck clock fast for do_account_vtime
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Mon, 20 Oct 2014 08:24:39 +0000 (10:24 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Mon, 27 Oct 2014 12:27:01 +0000 (13:27 +0100)
commit1f759bb3a2a0d75ceeeec729b1c66a7f443631ba
treecd481b9e09cb8fcfe703957bd11c0996528586d6tree | snapshot (tar.gz zip)
parentcac7f2429872d3733dc3f9915857b1691da2eb2fcommit | diff
s390/time: use stck clock fast for do_account_vtime

The last high frequency call site of the STCK instruction is
do_account_vtime. Replace it with the faster STCKF instruction.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/kernel/vtime.c diff | blob | blame | history