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From: Fernando Luis Vazquez Cao <fernando@intellilink.co.jp>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: linux-kernel@vger.kernel.org, fastboot@lists.osdl.org
Subject: [PATCH 2/4] stack overflow safe kdump (i386) - crash
Date: Tue, 29 Nov 2005 03:00:42 +0900	[thread overview]
Message-ID: <1133200842.2425.101.camel@localhost.localdomain> (raw)

Replace smp_processor_id with the stack overflow safe
safe_smp_processor_id in the reboot patch to the crash capture kernel.

---

diff -urNp linux-2.6.15-rc2/arch/i386/kernel/crash.c
linux-2.6.15-rc2-sov/arch/i386/kernel/crash.c
--- linux-2.6.15-rc2/arch/i386/kernel/crash.c	2005-10-28
09:02:08.000000000 +0900
+++ linux-2.6.15-rc2-sov/arch/i386/kernel/crash.c	2005-11-29
01:56:13.000000000 +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(&regs, 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)



                 reply	other threads:[~2005-11-28 18:05 UTC|newest]

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