[PATCH] drop "[PATCH] i386 kexec-on-panic: Don't shutdown the apics" (19842d67) · Commits · 戴 / test

A patch by Eric was merged () and later on reverted back (). Along with above patch, another patch was posted and has been merged (). 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>

arch/i386/kernel/crash.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@
		#include <asm/hardirq.h>
		#include <asm/nmi.h>
		#include <asm/hw_irq.h>
		#include <asm/apic.h>
		#include <mach_ipi.h>


		@@ -147,6 +148,7 @@ static int crash_nmi_callback(struct pt_regs *regs, int cpu)
		regs = &fixed_regs;
		}
		crash_save_this_cpu(regs, cpu);
		disable_local_APIC();
		atomic_dec(&waiting_for_crash_ipi);
		/* Assume hlt works */
		halt();
		@@ -186,6 +188,7 @@ static void nmi_shootdown_cpus(void)
		}

		/* Leave the nmi callback set */
		disable_local_APIC();
		}
		#else
		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.*/
		crashing_cpu = smp_processor_id();
		nmi_shootdown_cpus();
		lapic_shutdown();
		#if defined(CONFIG_X86_IO_APIC)
		disable_IO_APIC();
		#endif
		crash_save_self(regs);
		}

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