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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2018-03-26 16:23:33 +0300
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2018-03-28 09:38:28 +0300
commite5b98199deb013609af7106a1fb9e779a7f6744a (patch)
treeccb9623e556a22fbbf73959383c5c17a5c254cac /arch/s390/include/asm/cpu_mf.h
parentb058661a993aafc718ce713221bb1d57588c3710 (diff)
downloadlinux-e5b98199deb013609af7106a1fb9e779a7f6744a.tar.xz
s390/lpp: use assembler alternatives for the LPP instruction
With the new macros for CPU alternatives the MACHINE_FLAG_LPP check around the LPP instruction can be optimized. After this is done the flag can be removed. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/cpu_mf.h')
-rw-r--r--arch/s390/include/asm/cpu_mf.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/include/asm/cpu_mf.h b/arch/s390/include/asm/cpu_mf.h
index dd08db491b89..f58d17e9dd65 100644
--- a/arch/s390/include/asm/cpu_mf.h
+++ b/arch/s390/include/asm/cpu_mf.h
@@ -29,12 +29,12 @@
/* CPU measurement facility support */
static inline int cpum_cf_avail(void)
{
- return MACHINE_HAS_LPP && test_facility(67);
+ return test_facility(40) && test_facility(67);
}
static inline int cpum_sf_avail(void)
{
- return MACHINE_HAS_LPP && test_facility(68);
+ return test_facility(40) && test_facility(68);
}