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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-17 02:24:53 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-17 02:24:53 +0200 |
| commit | 492b057c426e4aa747484958e18e9da29003985d (patch) | |
| tree | 34e08c24618688d8bcc190523028b5f94cce0c0b /arch/blackfin/include/asm/bug.h | |
| parent | usb/ps3: Add missing annotations (diff) | |
| parent | Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff) | |
| download | linux-492b057c426e4aa747484958e18e9da29003985d.tar.xz linux-492b057c426e4aa747484958e18e9da29003985d.zip | |
Merge commit 'origin/master' into next
Diffstat (limited to 'arch/blackfin/include/asm/bug.h')
| -rw-r--r-- | arch/blackfin/include/asm/bug.h | 57 |
1 files changed, 51 insertions, 6 deletions
diff --git a/arch/blackfin/include/asm/bug.h b/arch/blackfin/include/asm/bug.h index 6d3e11b1fc57..655e49540e41 100644 --- a/arch/blackfin/include/asm/bug.h +++ b/arch/blackfin/include/asm/bug.h @@ -2,13 +2,58 @@ #define _BLACKFIN_BUG_H #ifdef CONFIG_BUG -#define HAVE_ARCH_BUG -#define BUG() do { \ - dump_bfin_trace_buffer(); \ - printk(KERN_EMERG "BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \ - panic("BUG!"); \ -} while (0) +#define BFIN_BUG_OPCODE 0xefcd + +#ifdef CONFIG_DEBUG_BUGVERBOSE + +#define _BUG_OR_WARN(flags) \ + asm volatile( \ + "1: .hword %0\n" \ + " .section __bug_table,\"a\",@progbits\n" \ + "2: .long 1b\n" \ + " .long %1\n" \ + " .short %2\n" \ + " .short %3\n" \ + " .org 2b + %4\n" \ + " .previous" \ + : \ + : "i"(BFIN_BUG_OPCODE), "i"(__FILE__), \ + "i"(__LINE__), "i"(flags), \ + "i"(sizeof(struct bug_entry))) + +#else + +#define _BUG_OR_WARN(flags) \ + asm volatile( \ + "1: .hword %0\n" \ + " .section __bug_table,\"a\",@progbits\n" \ + "2: .long 1b\n" \ + " .short %1\n" \ + " .org 2b + %2\n" \ + " .previous" \ + : \ + : "i"(BFIN_BUG_OPCODE), "i"(flags), \ + "i"(sizeof(struct bug_entry))) + +#endif /* CONFIG_DEBUG_BUGVERBOSE */ + +#define BUG() \ + do { \ + _BUG_OR_WARN(0); \ + for (;;); \ + } while (0) + +#define WARN_ON(condition) \ + ({ \ + int __ret_warn_on = !!(condition); \ + if (unlikely(__ret_warn_on)) \ + _BUG_OR_WARN(BUGFLAG_WARNING); \ + unlikely(__ret_warn_on); \ + }) + +#define HAVE_ARCH_BUG +#define HAVE_ARCH_WARN_ON #endif |