xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

s390/sigp: use sigp order code defines in assembly code

Browse Source 
Use sigp order code defines in assembly code as well.
With this change all places that use sigp constants should
have been converted to use self describing defines instead
of directly using constants.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens
2012-06-04 15:05:43 +02:00
committed by Martin Schwidefsky
parent a095a8a9d5
commit eb546195a7
10 changed files with 33 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
arch/s390/kernel/smp.c
View File

@@ -288,11 +288,13 @@ static void pcpu_delegate(struct pcpu *pcpu, void (*func)(void *),
/* Restart func on the target cpu and stop the current cpu. */
memcpy_absolute(&lc->restart_stack, &restart, sizeof(restart));
asm volatile(
"0: sigp 0,%0,6 # sigp restart to target cpu\n"
"0: sigp 0,%0,%2 # sigp restart to target cpu\n"
" brc 2,0b # busy, try again\n"
"1: sigp 0,%1,5 # sigp stop to current cpu\n"
"1: sigp 0,%1,%3 # sigp stop to current cpu\n"
" brc 2,1b # busy, try again\n"
: : "d" (pcpu->address), "d" (restart.source) : "0", "1", "cc");
: : "d" (pcpu->address), "d" (restart.source),
"K" (SIGP_RESTART), "K" (SIGP_STOP)
: "0", "1", "cc");
for (;;) ;
}