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| author | Chris Zankel <chris@zankel.net> | 2015-04-14 03:51:35 +0000 |
|---|---|---|
| committer | Chris Zankel <chris@zankel.net> | 2015-04-14 03:51:35 +0000 |
| commit | 7ead5b7e4a3cf4a16579a8f164022345b93fe972 (patch) | |
| tree | 0a9b9497f53d1593c9e2ac197b2e686ea74a9975 /arch/s390/kernel/swsusp_asm64.S | |
| parent | 834a316eeebcb75316c0a7d9088fa638c52dc584 (diff) | |
| parent | 39a8804455fb23f09157341d3ba7db6d7ae6ee76 (diff) | |
Merge tag 'v4.0' into for_next
Linux 4.0
Diffstat (limited to 'arch/s390/kernel/swsusp_asm64.S')
| -rw-r--r-- | arch/s390/kernel/swsusp_asm64.S | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/s390/kernel/swsusp_asm64.S b/arch/s390/kernel/swsusp_asm64.S index 6b09fdffbd2f..ca6294645dd3 100644 --- a/arch/s390/kernel/swsusp_asm64.S +++ b/arch/s390/kernel/swsusp_asm64.S @@ -177,6 +177,17 @@ restart_entry: lhi %r1,1 sigp %r1,%r0,SIGP_SET_ARCHITECTURE sam64 +#ifdef CONFIG_SMP + larl %r1,smp_cpu_mt_shift + icm %r1,15,0(%r1) + jz smt_done + llgfr %r1,%r1 +smt_loop: + sigp %r1,%r0,SIGP_SET_MULTI_THREADING + brc 8,smt_done /* accepted */ + brc 2,smt_loop /* busy, try again */ +smt_done: +#endif larl %r1,.Lnew_pgm_check_psw lpswe 0(%r1) pgm_check_entry: |