From: Fernando Luis Vazquez Cao <fernando@intellilink.co.jp>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: ak@suse.de, vgoyal@in.ibm.com, linux-kernel@vger.kernel.org,
fastboot@lists.osdl.org
Subject: [PATCH 2/5] stack overflow safe kdump (2.6.15-i386) - use_safe_smp_processor_id
Date: Mon, 16 Jan 2006 22:23:53 +0900 [thread overview]
Message-ID: <1137417833.2256.86.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.
---
diff -urNp linux-2.6.15/arch/i386/kernel/crash.c
linux-2.6.15-sov/arch/i386/kernel/crash.c
--- linux-2.6.15/arch/i386/kernel/crash.c 2006-01-03 12:21:10.000000000
+0900
+++ linux-2.6.15-sov/arch/i386/kernel/crash.c 2006-01-16
20:28:31.000000000 +0900
@@ -120,7 +120,7 @@ static void crash_save_self(struct pt_re
struct pt_regs regs;
int cpu;
- cpu = smp_processor_id();
+ cpu = safe_smp_processor_id();
if (saved_regs)
crash_setup_regs(®s, saved_regs);
else
@@ -211,7 +211,7 @@ 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)
next reply other threads:[~2006-01-16 13:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-16 13:23 Fernando Luis Vazquez Cao [this message]
2006-01-20 13:22 ` Vivek Goyal
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