From: "Fernando Luis Vázquez Cao" <fernando@oss.ntt.co.jp>
To: vgoyal@in.ibm.com
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
akpm@osdl.org, ak@suse.de, James.Bottomley@steeleye.com,
linux-kernel@vger.kernel.org, fastboot@lists.osdl.org
Subject: [PATCH 2/3] stack overflow safe kdump (2.6.18-rc1-i386) - crash_use_safe_smp_processor_id
Date: Mon, 10 Jul 2006 16:51:11 +0900 [thread overview]
Message-ID: <1152517871.2120.109.camel@localhost.localdomain> (raw)
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)
reply other threads:[~2006-07-10 7:51 UTC|newest]
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