leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

s390/lpp: use assembler alternatives for the LPP instruction

Browse Source 
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>
This commit is contained in:
Martin Schwidefsky
2018-03-26 15:23:33 +02:00
parent b058661a99
commit e5b98199de
4 changed files with 8 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
arch/s390/include/asm/cpu_mf.h
View File

@@ -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);
}