diff options
Diffstat (limited to 'arch/x86_64/kernel/traps.c')
-rw-r--r-- | arch/x86_64/kernel/traps.c | 21 |
1 files changed, 1 insertions, 20 deletions
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c index 38bc821e457..fb8486eca1b 100644 --- a/arch/x86_64/kernel/traps.c +++ b/arch/x86_64/kernel/traps.c @@ -162,26 +162,7 @@ static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack, * 'stack' is in one of them: */ for (k = 0; k < N_EXCEPTION_STACKS; k++) { - unsigned long end; - - /* - * set 'end' to the end of the exception stack. - */ - switch (k + 1) { - /* - * TODO: this block is not needed i think, because - * setup64.c:cpu_init() sets up t->ist[DEBUG_STACK] - * properly too. - */ -#if DEBUG_STKSZ > EXCEPTION_STKSZ - case DEBUG_STACK: - end = cpu_pda(cpu)->debugstack + DEBUG_STKSZ; - break; -#endif - default: - end = per_cpu(orig_ist, cpu).ist[k]; - break; - } + unsigned long end = per_cpu(orig_ist, cpu).ist[k]; /* * Is 'stack' above this exception frame's end? * If yes then skip to the next frame. |