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authorHeiko Carstens <heiko.carstens@de.ibm.com>2010-05-26 17:26:21 -0400
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2010-05-26 17:26:30 -0400
commit2ffbb3f61e5b2648128f82fe7e506290702a9215 (patch)
treee5c9f60789c6f9e7253c07f6a11bfe690552117b /arch/s390/kvm/sie64a.S
parentbac9f154acd175afdf702cb7d7f5de1254b4b119 (diff)
[S390] spp: remove KVM_AWARE_CMF config option
This config option enables or disables three single instructions which aren't expensive. This is too fine grained. Besided that everybody who uses kvm would enable it anyway in order to debug performance problems. Just remove it. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm/sie64a.S')
-rw-r--r--arch/s390/kvm/sie64a.S4
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/s390/kvm/sie64a.S b/arch/s390/kvm/sie64a.S
index 31646bd0e469..7e9d30d567b0 100644
--- a/arch/s390/kvm/sie64a.S
+++ b/arch/s390/kvm/sie64a.S
@@ -32,12 +32,10 @@ SPI_PSW = STACK_FRAME_OVERHEAD + __PT_PSW
32 32
33 33
34 .macro SPP newpp 34 .macro SPP newpp
35#ifdef CONFIG_KVM_AWARE_CMF
36 tm __LC_MACHINE_FLAGS+6,0x20 # MACHINE_FLAG_SPP 35 tm __LC_MACHINE_FLAGS+6,0x20 # MACHINE_FLAG_SPP
37 jz 0f 36 jz 0f
38 .insn s,0xb2800000,\newpp 37 .insn s,0xb2800000,\newpp
39 0: 380:
40#endif
41 .endm 39 .endm
42 40
43sie_irq_handler: 41sie_irq_handler: