Commit bc75a245 authored Jul 12, 2005 by Albert Herranz Committed by Linus Torvalds Jul 12, 2005

[PATCH] kexec-ppc: fix for ksysfs crash_notes



The following patch prevents the crash dump helper code found within kexec
from breaking ppc which still lacks crash dump functionality.

ksysfs crash_notes attribute handling was left under CONFIG_KEXEC for
simplicity although it is not strictly kexec related.

We provide here a dummy definition for crash_notes on ppc.

Signed-off-by: Albert Herranz <albert_herranz@yahoo.es>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Vivek Goyal <vgoyal@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent 41e2e8be

arch/ppc/kernel/machine_kexec.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -28,6 +28,12 @@ typedef NORET_TYPE void (*relocate_new_kernel_t)(
		const extern unsigned char relocate_new_kernel[];
		const extern unsigned int relocate_new_kernel_size;

		/*
		* Provide a dummy crash_notes definition while crash dump arrives to ppc.
		* This prevents breakage of crash_notes attribute in kernel/ksysfs.c.
		*/
		void *crash_notes = NULL;

		void machine_shutdown(void)
		{
		if (ppc_md.machine_shutdown)

include/asm-ppc/kexec.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -27,6 +27,8 @@

		#ifndef __ASSEMBLY__

		extern void *crash_notes;

		struct kimage;

		extern void machine_kexec_simple(struct kimage *image);