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[PATCH] drop "[PATCH] i386 kexec-on-panic: Don't shutdown the apics" 

A patch by Eric was merged (f2b36db692)
and later on reverted back (1e4c85f97f).

Along with above patch, another patch was posted and has been merged
(3d1675b41b).  That patch was dependent on
the above patch and now it should also be reverted.

Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Vivek Goyal 2005-11-15 00:09:04 -08:00 committed by Linus Torvalds
parent 4060994c3e
commit 19842d6734
1 changed files with 7 additions and 0 deletions
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7
arch/i386/kernel/crash.c
View File

@ -21,6 +21,7 @@
#include <asm/hardirq.h> #include <asm/hardirq.h>
#include <asm/nmi.h> #include <asm/nmi.h>
#include <asm/hw_irq.h> #include <asm/hw_irq.h>
#include <asm/apic.h>
#include <mach_ipi.h> #include <mach_ipi.h>
@ -147,6 +148,7 @@ static int crash_nmi_callback(struct pt_regs *regs, int cpu)
regs = &fixed_regs; regs = &fixed_regs;
} }
crash_save_this_cpu(regs, cpu); crash_save_this_cpu(regs, cpu);
disable_local_APIC();
atomic_dec(&waiting_for_crash_ipi); atomic_dec(&waiting_for_crash_ipi);
/* Assume hlt works */ /* Assume hlt works */
halt(); halt();
@ -186,6 +188,7 @@ static void nmi_shootdown_cpus(void)
} }
/* Leave the nmi callback set */ /* Leave the nmi callback set */
disable_local_APIC();
} }
#else #else
static void nmi_shootdown_cpus(void) static void nmi_shootdown_cpus(void)
@ -210,5 +213,9 @@ void machine_crash_shutdown(struct pt_regs *regs)
/* Make a note of crashing cpu. Will be used in NMI callback.*/ /* Make a note of crashing cpu. Will be used in NMI callback.*/
crashing_cpu = smp_processor_id(); crashing_cpu = smp_processor_id();
nmi_shootdown_cpus(); nmi_shootdown_cpus();
lapic_shutdown();
#if defined(CONFIG_X86_IO_APIC)
disable_IO_APIC();
#endif
crash_save_self(regs); crash_save_self(regs);
} }