Messages in this thread Patch in this message | | | Subject | [PATCH 2/3] stack overflow safe kdump (2.6.18-rc1-i386) - crash_use_safe_smp_processor_id | From | Fernando Luis Vázquez Cao <> | Date | Mon, 10 Jul 2006 16:51:11 +0900 |
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Substitute "smp_processor_id" with the stack overflow-safe "safe_smp_processor_id" in the reboot path to the second kernel.
Signed-off-by: Fernando Vazquez <fernando@intellilink.co.jp> ---
diff -urNp linux-2.6.18-rc1/arch/i386/kernel/crash.c linux-2.6.18-rc1-sof/arch/i386/kernel/crash.c --- linux-2.6.18-rc1/arch/i386/kernel/crash.c 2006-07-10 10:59:58.000000000 +0900 +++ linux-2.6.18-rc1-sof/arch/i386/kernel/crash.c 2006-07-10 16:06:55.000000000 +0900 @@ -86,7 +86,7 @@ static void crash_save_self(struct pt_re { int cpu; - cpu = smp_processor_id(); + cpu = safe_smp_processor_id(); crash_save_this_cpu(regs, cpu); } @@ -169,7 +169,7 @@ void machine_crash_shutdown(struct pt_re local_irq_disable(); /* Make a note of crashing cpu. Will be used in NMI callback.*/ - crashing_cpu = smp_processor_id(); + crashing_cpu = safe_smp_processor_id(); nmi_shootdown_cpus(); lapic_shutdown(); #if defined(CONFIG_X86_IO_APIC)
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