From: Michael Holzheu Date: Fri, 15 Dec 2006 16:18:25 +0000 (+0100) Subject: [S390] Fix reboot hang X-Git-Tag: v2.6.20-rc2~127^2~2 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=58be944127be80bd947dd72d69523b3d4b17781f;p=linux-2.6-omap-h63xx.git [S390] Fix reboot hang We use printks after shutting down all other cpus. This is not allowed and can lead to deadlocks. Therefore the printks have to be removed. Signed-off-by: Michael Holzheu Signed-off-by: Martin Schwidefsky --- diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index d2e6a0a56ad..48bfe402052 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -609,42 +609,12 @@ static ssize_t on_panic_store(struct subsystem *subsys, const char *buf, static struct subsys_attribute on_panic_attr = __ATTR(on_panic, 0644, on_panic_show, on_panic_store); -static void print_fcp_block(struct ipl_parameter_block *fcp_block) -{ - printk(KERN_EMERG "wwpn: %016llx\n", - (unsigned long long)fcp_block->ipl_info.fcp.wwpn); - printk(KERN_EMERG "lun: %016llx\n", - (unsigned long long)fcp_block->ipl_info.fcp.lun); - printk(KERN_EMERG "bootprog: %lld\n", - (unsigned long long)fcp_block->ipl_info.fcp.bootprog); - printk(KERN_EMERG "br_lba: %lld\n", - (unsigned long long)fcp_block->ipl_info.fcp.br_lba); - printk(KERN_EMERG "device: %llx\n", - (unsigned long long)fcp_block->ipl_info.fcp.devno); - printk(KERN_EMERG "opt: %x\n", fcp_block->ipl_info.fcp.opt); -} - void do_reipl(void) { struct ccw_dev_id devid; static char buf[100]; char loadparm[LOADPARM_LEN + 1]; - switch (reipl_type) { - case IPL_TYPE_CCW: - reipl_get_ascii_loadparm(loadparm); - printk(KERN_EMERG "reboot on ccw device: 0.0.%04x\n", - reipl_block_ccw->ipl_info.ccw.devno); - printk(KERN_EMERG "loadparm = '%s'\n", loadparm); - break; - case IPL_TYPE_FCP: - printk(KERN_EMERG "reboot on fcp device:\n"); - print_fcp_block(reipl_block_fcp); - break; - default: - break; - } - switch (reipl_method) { case IPL_METHOD_CCW_CIO: devid.devno = reipl_block_ccw->ipl_info.ccw.devno; @@ -654,6 +624,7 @@ void do_reipl(void) reipl_ccw_dev(&devid); break; case IPL_METHOD_CCW_VM: + reipl_get_ascii_loadparm(loadparm); if (strlen(loadparm) == 0) sprintf(buf, "IPL %X", reipl_block_ccw->ipl_info.ccw.devno); @@ -683,7 +654,6 @@ void do_reipl(void) diag308(DIAG308_IPL, NULL); break; } - printk(KERN_EMERG "reboot failed!\n"); signal_processor(smp_processor_id(), sigp_stop_and_store_status); } @@ -692,19 +662,6 @@ static void do_dump(void) struct ccw_dev_id devid; static char buf[100]; - switch (dump_type) { - case IPL_TYPE_CCW: - printk(KERN_EMERG "Automatic dump on ccw device: 0.0.%04x\n", - dump_block_ccw->ipl_info.ccw.devno); - break; - case IPL_TYPE_FCP: - printk(KERN_EMERG "Automatic dump on fcp device:\n"); - print_fcp_block(dump_block_fcp); - break; - default: - return; - } - switch (dump_method) { case IPL_METHOD_CCW_CIO: smp_send_stop();