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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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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>
35 lines
747 B
C
35 lines
747 B
C
#ifndef _SPARC_BUG_H
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#define _SPARC_BUG_H
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#ifdef CONFIG_BUG
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/* Only use the inline asm until a gcc release that can handle __builtin_trap
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* -rob 2003-06-25
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*
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* gcc-3.3.1 and later will be OK -DaveM
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*/
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#if (__GNUC__ > 3) || \
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(__GNUC__ == 3 && __GNUC_MINOR__ > 3) || \
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(__GNUC__ == 3 && __GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ >= 4)
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#define __bug_trap() __builtin_trap()
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#else
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#define __bug_trap() \
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__asm__ __volatile__ ("t 0x5\n\t" : : )
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#endif
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#ifdef CONFIG_DEBUG_BUGVERBOSE
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extern void do_BUG(const char *file, int line);
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#define BUG() do { \
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do_BUG(__FILE__, __LINE__); \
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__bug_trap(); \
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} while (0)
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#else
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#define BUG() __bug_trap()
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#endif
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#define HAVE_ARCH_BUG
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#endif
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#include <asm-generic/bug.h>
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#endif
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