forked from luck/tmp_suning_uos_patched
[IA64] MCA: print messages in MCA handler
Print a message identifying the monarch MCA handler. Print a summary of the status of the slave MCA cpus. Signed-off-by: Keith Owens <kaos@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
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@ -908,7 +908,7 @@ ia64_mca_modify_original_stack(struct pt_regs *regs,
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static void
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ia64_wait_for_slaves(int monarch)
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{
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int c, wait = 0;
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int c, wait = 0, missing = 0;
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for_each_online_cpu(c) {
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if (c == monarch)
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continue;
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@ -919,15 +919,32 @@ ia64_wait_for_slaves(int monarch)
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}
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}
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if (!wait)
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return;
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goto all_in;
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for_each_online_cpu(c) {
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if (c == monarch)
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continue;
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if (ia64_mc_info.imi_rendez_checkin[c] == IA64_MCA_RENDEZ_CHECKIN_NOTDONE) {
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udelay(5*1000000); /* wait 5 seconds for slaves (arbitrary) */
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if (ia64_mc_info.imi_rendez_checkin[c] == IA64_MCA_RENDEZ_CHECKIN_NOTDONE)
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missing = 1;
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break;
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}
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}
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if (!missing)
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goto all_in;
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printk(KERN_INFO "OS MCA slave did not rendezvous on cpu");
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for_each_online_cpu(c) {
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if (c == monarch)
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continue;
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if (ia64_mc_info.imi_rendez_checkin[c] == IA64_MCA_RENDEZ_CHECKIN_NOTDONE)
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printk(" %d", c);
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}
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printk("\n");
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return;
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all_in:
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printk(KERN_INFO "All OS MCA slaves have reached rendezvous\n");
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return;
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}
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/*
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@ -953,6 +970,10 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw,
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task_t *previous_current;
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oops_in_progress = 1; /* FIXME: make printk NMI/MCA/INIT safe */
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console_loglevel = 15; /* make sure printks make it to console */
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printk(KERN_INFO "Entered OS MCA handler. PSP=%lx cpu=%d monarch=%ld\n",
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sos->proc_state_param, cpu, sos->monarch);
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previous_current = ia64_mca_modify_original_stack(regs, sw, sos, "MCA");
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monarch_cpu = cpu;
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if (notify_die(DIE_MCA_MONARCH_ENTER, "MCA", regs, 0, 0, 0)
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