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>
54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
#ifndef _ASM_GENERIC_BUG_H
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#define _ASM_GENERIC_BUG_H
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#include <linux/compiler.h>
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#include <linux/config.h>
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#ifdef CONFIG_BUG
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#ifndef HAVE_ARCH_BUG
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#define BUG() do { \
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printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
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panic("BUG!"); \
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} while (0)
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#endif
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#ifndef HAVE_ARCH_PAGE_BUG
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#define PAGE_BUG(page) do { \
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printk("page BUG for page at %p\n", page); \
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BUG(); \
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} while (0)
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#endif
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#ifndef HAVE_ARCH_BUG_ON
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#define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0)
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#endif
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#ifndef HAVE_ARCH_WARN_ON
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#define WARN_ON(condition) do { \
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if (unlikely((condition)!=0)) { \
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printk("Badness in %s at %s:%d\n", __FUNCTION__, __FILE__, __LINE__); \
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dump_stack(); \
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} \
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} while (0)
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#endif
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#else /* !CONFIG_BUG */
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#ifndef HAVE_ARCH_BUG
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#define BUG()
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#endif
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#ifndef HAVE_ARCH_PAGE_BUG
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#define PAGE_BUG(page) do { if (page) ; } while (0)
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#endif
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#ifndef HAVE_ARCH_BUG_ON
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#define BUG_ON(condition) do { if (condition) ; } while(0)
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#endif
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#ifndef HAVE_ARCH_WARN_ON
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#define WARN_ON(condition) do { if (condition) ; } while(0)
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#endif
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#endif
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#endif
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