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x86/unwind: Remove unused 'sp' parameter in unwind_dump() 

The 'sp' parameter to unwind_dump() is unused.  Remove it.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/08cb36b004629f6bbcf44c267ae4a609242ebd0b.1492520933.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Josh Poimboeuf 2017-04-18 08:12:58 -05:00 committed by Ingo Molnar
parent 4ea3d7410c
commit aa4f853461
1 changed files with 4 additions and 4 deletions
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8
arch/x86/kernel/unwind_frame.c
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@ -25,11 +25,11 @@
val; \
})
static void unwind_dump(struct unwind_state *state, unsigned long *sp)
static void unwind_dump(struct unwind_state *state)
{
static bool dumped_before = false;
bool prev_zero, zero = false;
unsigned long word;
unsigned long word, *sp;
if (dumped_before)
return;
@ -287,13 +287,13 @@ bool unwind_next_frame(struct unwind_state *state)
"WARNING: kernel stack regs at %p in %s:%d has bad 'bp' value %p\n",
state->regs, state->task->comm,
state->task->pid, next_bp);
unwind_dump(state, (unsigned long *)state->regs);
unwind_dump(state);
} else {
printk_deferred_once(KERN_WARNING
"WARNING: kernel stack frame pointer at %p in %s:%d has bad value %p\n",
state->bp, state->task->comm,
state->task->pid, next_bp);
unwind_dump(state, state->bp);
unwind_dump(state);
}
the_end:
state->stack_info.type = STACK_TYPE_UNKNOWN;