]> git.karo-electronics.de Git - karo-tx-linux.git/commit
[S390] virtualization aware cpu measurement
authorCarsten Otte <cotte@de.ibm.com>
Mon, 17 May 2010 08:00:04 +0000 (10:00 +0200)
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>
Mon, 17 May 2010 08:00:15 +0000 (10:00 +0200)
commitcd3b70f5d4d82f85d1e1d6e822f38ae098cf7c72
treeaa394e63d300312bece2afb53a53dfd93a0f5f23
parent6377981faf1a4425b0531e577736ef03df97c8f6
[S390] virtualization aware cpu measurement

Use the SPP instruction to set a tag on entry to / exit of the virtual
machine context. This allows the cpu measurement facility to distinguish
the samples from the host and the different guests.

Signed-off-by: Carsten Otte <cotte@de.ibm.com>
arch/s390/include/asm/lowcore.h
arch/s390/include/asm/setup.h
arch/s390/kernel/asm-offsets.c
arch/s390/kernel/early.c
arch/s390/kernel/entry64.S
arch/s390/kernel/setup.c
arch/s390/kvm/Kconfig
arch/s390/kvm/sie64a.S