linux-kernel - [PATCH] x86_64: use kstack_end() in dumpstack

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Message-Id: <1424618638-6375-1-git-send-email-adrien+dev@schischi.me>
Date:	Sun, 22 Feb 2015 16:23:58 +0100
From:	Adrien Schildknecht <adrien+dev@...ischi.me>
To:	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
	x86@...nel.org, srostedt@...hat.com, luto@...capital.net,
	adrien+dev@...ischi.me, rostedt@...dmis.org, bp@...en8.de,
	linux-kernel@...r.kernel.org
Subject: [PATCH] x86_64: use kstack_end() in dumpstack_64.c

i386 is already using kstack_end() in dumpstack_32.c.
We should also use it to make the code clearer and unify the stack
printing logic some more.

This patch depends on patch "x86: fix output of show_stack_log_lvl()"

Signed-off-by: Adrien Schildknecht <adrien+dev@...ischi.me>
---
 arch/x86/kernel/dumpstack_64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c
index 553573b..5f1c626 100644
--- a/arch/x86/kernel/dumpstack_64.c
+++ b/arch/x86/kernel/dumpstack_64.c
@@ -280,7 +280,7 @@ show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs,
 				pr_cont(" <EOI> ");
 			}
 		} else {
-		if (((long) stack & (THREAD_SIZE-1)) == 0)
+		if (kstack_end(stack))
 			break;
 		}
 		if ((i % STACKSLOTS_PER_LINE) == 0) {
-- 
2.2.1

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