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

s390/sclp: _sclp_wait_int(): retain full PSW mask

Browse Source 
There's no reason to clear all PSW mask bits other than the addressing
mode bits. Just use the previous PSW mask as-is.

Signed-off-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Sascha Silbe 2015-11-04 14:16:57 +01:00 committed by Martin Schwidefsky
parent 121a868d05
commit f07f21b3e2
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/s390/kernel/sclp.c
View File

@ -21,7 +21,7 @@ static void _sclp_wait_int(void)
__ctl_load(cr0_new, 0, 0);
psw_ext_save = S390_lowcore.external_new_psw;
psw_mask = __extract_psw() & (PSW_MASK_EA | PSW_MASK_BA);
psw_mask = __extract_psw();
S390_lowcore.external_new_psw.mask = psw_mask;
psw_wait.mask = psw_mask | PSW_MASK_EXT | PSW_MASK_WAIT;
S390_lowcore.ext_int_code = 0;