c8538a7aa5
This patch eliminates all kernel BUGs, trims about 35k off the typical kernel, and makes the system slightly faster. Signed-off-by: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
28 lines
602 B
C
28 lines
602 B
C
#ifndef __ASM_X8664_BUG_H
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#define __ASM_X8664_BUG_H 1
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#include <linux/stringify.h>
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/*
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* Tell the user there is some problem. The exception handler decodes
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* this frame.
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*/
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struct bug_frame {
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unsigned char ud2[2];
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/* should use 32bit offset instead, but the assembler doesn't
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like it */
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char *filename;
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unsigned short line;
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} __attribute__((packed));
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#ifdef CONFIG_BUG
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#define HAVE_ARCH_BUG
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#define BUG() \
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asm volatile("ud2 ; .quad %c1 ; .short %c0" :: \
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"i"(__LINE__), "i" (__stringify(__FILE__)))
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void out_of_line_bug(void);
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#endif
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#include <asm-generic/bug.h>
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#endif
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