9b41046cd0
The boot cmdline is parsed in parse_early_param() and parse_args(,unknown_bootoption). And __setup() is used in obsolete_checksetup(). start_kernel() -> parse_args() -> unknown_bootoption() -> obsolete_checksetup() If __setup()'s callback (->setup_func()) returns 1 in obsolete_checksetup(), obsolete_checksetup() thinks a parameter was handled. If ->setup_func() returns 0, obsolete_checksetup() tries other ->setup_func(). If all ->setup_func() that matched a parameter returns 0, a parameter is seted to argv_init[]. Then, when runing /sbin/init or init=app, argv_init[] is passed to the app. If the app doesn't ignore those arguments, it will warning and exit. This patch fixes a wrong usage of it, however fixes obvious one only. Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
78 lines
1.6 KiB
C
78 lines
1.6 KiB
C
/*
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* mce.c - x86 Machine Check Exception Reporting
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* (c) 2002 Alan Cox <alan@redhat.com>, Dave Jones <davej@codemonkey.org.uk>
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*/
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/config.h>
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#include <linux/module.h>
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#include <linux/smp.h>
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#include <linux/thread_info.h>
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#include <asm/processor.h>
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#include <asm/system.h>
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#include "mce.h"
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int mce_disabled = 0;
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int nr_mce_banks;
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EXPORT_SYMBOL_GPL(nr_mce_banks); /* non-fatal.o */
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/* Handle unconfigured int18 (should never happen) */
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static fastcall void unexpected_machine_check(struct pt_regs * regs, long error_code)
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{
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printk(KERN_ERR "CPU#%d: Unexpected int18 (Machine Check).\n", smp_processor_id());
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}
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/* Call the installed machine check handler for this CPU setup. */
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void fastcall (*machine_check_vector)(struct pt_regs *, long error_code) = unexpected_machine_check;
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/* This has to be run for each processor */
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void mcheck_init(struct cpuinfo_x86 *c)
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{
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if (mce_disabled==1)
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return;
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switch (c->x86_vendor) {
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case X86_VENDOR_AMD:
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if (c->x86==6 || c->x86==15)
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amd_mcheck_init(c);
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break;
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case X86_VENDOR_INTEL:
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if (c->x86==5)
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intel_p5_mcheck_init(c);
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if (c->x86==6)
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intel_p6_mcheck_init(c);
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if (c->x86==15)
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intel_p4_mcheck_init(c);
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break;
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case X86_VENDOR_CENTAUR:
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if (c->x86==5)
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winchip_mcheck_init(c);
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break;
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default:
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break;
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}
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}
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static int __init mcheck_disable(char *str)
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{
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mce_disabled = 1;
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return 1;
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}
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static int __init mcheck_enable(char *str)
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{
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mce_disabled = -1;
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return 1;
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}
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__setup("nomce", mcheck_disable);
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__setup("mce", mcheck_enable);
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