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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2006-12-04 15:40:30 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2006-12-04 15:40:30 +0100 |
| commit | 740b5706b9c4b3767f597b3ea76654c6f2a800b2 (patch) | |
| tree | 370dc09ec8f3abaecc742003ed9d28eecf636c3b /arch/s390/kernel/ipl.c | |
| parent | a1a392f0b4f27604811bf8aa8d7636b3b4bc3803 (diff) | |
| download | blackbird-op-linux-740b5706b9c4b3767f597b3ea76654c6f2a800b2.tar.gz blackbird-op-linux-740b5706b9c4b3767f597b3ea76654c6f2a800b2.zip | |
[S390] cpcmd <-> __cpcmd calling issues
In case of reipl cpcmd gets called when all other cpus are not running
anymore. To prevent deadlocks change __cpcmd so that it doesn't take
any locks and call cpcmd or __cpcmd, whatever is correct in the current
context.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/ipl.c')
| -rw-r--r-- | arch/s390/kernel/ipl.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 77f4aff630fe..101b003cfabf 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -677,7 +677,7 @@ void do_reipl(void) else sprintf(buf, "IPL %X LOADPARM '%s'", reipl_block_ccw->ipl_info.ccw.devno, loadparm); - cpcmd(buf, NULL, 0, NULL); + __cpcmd(buf, NULL, 0, NULL); break; case IPL_METHOD_CCW_DIAG: diag308(DIAG308_SET, reipl_block_ccw); @@ -691,12 +691,12 @@ void do_reipl(void) diag308(DIAG308_IPL, NULL); break; case IPL_METHOD_FCP_RO_VM: - cpcmd("IPL", NULL, 0, NULL); + __cpcmd("IPL", NULL, 0, NULL); break; case IPL_METHOD_NONE: default: if (MACHINE_IS_VM) - cpcmd("IPL", NULL, 0, NULL); + __cpcmd("IPL", NULL, 0, NULL); diag308(DIAG308_IPL, NULL); break; } @@ -732,9 +732,9 @@ static void do_dump(void) case IPL_METHOD_CCW_VM: dump_smp_stop_all(); sprintf(buf, "STORE STATUS"); - cpcmd(buf, NULL, 0, NULL); + __cpcmd(buf, NULL, 0, NULL); sprintf(buf, "IPL %X", dump_block_ccw->ipl_info.ccw.devno); - cpcmd(buf, NULL, 0, NULL); + __cpcmd(buf, NULL, 0, NULL); break; case IPL_METHOD_CCW_DIAG: diag308(DIAG308_SET, dump_block_ccw); |
