[tip:x86/asm] x86/unwind: Prepend hex mask value with '0x' in unwind_dump()

[tip-bot for Josh Poimboeuf]

Commit-ID:  4ea3d7410c3597910071182a6bc258c015942887
Gitweb:     http://git.kernel.org/tip/4ea3d7410c3597910071182a6bc258c015942887
Author:     Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
AuthorDate: Tue, 18 Apr 2017 08:12:57 -0500
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Wed, 19 Apr 2017 09:59:47 +0200

x86/unwind: Prepend hex mask value with '0x' in unwind_dump()

In unwind_dump(), the stack mask value is printed in hex, but is
confusingly not prepended with '0x'.

Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Brian Gerst <brgerst@xxxxxxxxx>
Cc: Denys Vlasenko <dvlasenk@xxxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/e7fe41be19d73c9f99f53082486473febfe08ffa.1492520933.git.jpoimboe@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 arch/x86/kernel/unwind_frame.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/unwind_frame.c b/arch/x86/kernel/unwind_frame.c
index 3ebe687..5d26374 100644
--- a/arch/x86/kernel/unwind_frame.c
+++ b/arch/x86/kernel/unwind_frame.c
@@ -36,7 +36,7 @@ static void unwind_dump(struct unwind_state *state, unsigned long *sp)
 
 	dumped_before = true;
 
-	printk_deferred("unwind stack type:%d next_sp:%p mask:%lx graph_idx:%d\n",
+	printk_deferred("unwind stack type:%d next_sp:%p mask:0x%lx graph_idx:%d\n",
 			state->stack_info.type, state->stack_info.next_sp,
 			state->stack_mask, state->graph_idx);