x86/unwind: Remove unused 'sp' parameter in unwind_dump() (aa4f8534) · Commits · 戴 / test

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:

arch/x86/kernel/unwind_frame.c

+4 −4

Original line number	Diff line number	Diff line
		@@ -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 @@ bad_address:
		"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;