diff options
Diffstat (limited to 'arch/x86/kernel/dumpstack.c')
| -rw-r--r-- | arch/x86/kernel/dumpstack.c | 27 |
1 files changed, 4 insertions, 23 deletions
diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c index 18fa9d74c182..593db796374d 100644 --- a/arch/x86/kernel/dumpstack.c +++ b/arch/x86/kernel/dumpstack.c @@ -22,9 +22,10 @@ #include <asm/stacktrace.h> #include <asm/unwind.h> +#define OPCODE_BUFSIZE 64 + int panic_on_unrecovered_nmi; int panic_on_io_nmi; -static unsigned int code_bytes = 64; static int die_counter; bool in_task_stack(unsigned long *stack, struct task_struct *task, @@ -356,26 +357,6 @@ void die(const char *str, struct pt_regs *regs, long err) oops_end(flags, regs, sig); } -static int __init code_bytes_setup(char *s) -{ - ssize_t ret; - unsigned long val; - - if (!s) - return -EINVAL; - - ret = kstrtoul(s, 0, &val); - if (ret) - return ret; - - code_bytes = val; - if (code_bytes > 8192) - code_bytes = 8192; - - return 1; -} -__setup("code_bytes=", code_bytes_setup); - void show_regs(struct pt_regs *regs) { bool all = true; @@ -393,8 +374,8 @@ void show_regs(struct pt_regs *regs) * time of the fault.. */ if (!user_mode(regs)) { - unsigned int code_prologue = code_bytes * 43 / 64; - unsigned int code_len = code_bytes; + unsigned int code_prologue = OPCODE_BUFSIZE * 43 / 64; + unsigned int code_len = OPCODE_BUFSIZE; unsigned char c; u8 *ip; |