linux-kernel - [PATCH] checkstack.pl: fix for aarch64

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Date:   Fri,  7 Dec 2018 14:58:43 -0500
From:   Qian Cai <cai@....pw>
To:     akpm@...ux-foundation.org
Cc:     linux-kernel@...r.kernel.org, Qian Cai <cai@....pw>
Subject: [PATCH] checkstack.pl: fix for aarch64

There is actually a space after "sp," like this,

ffff2000080813c8:       a9bb7bfd        stp     x29, x30, [sp, #-80]!

Signed-off-by: Qian Cai <cai@....pw>
---
 scripts/checkstack.pl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index 8081b6cf67d2..34414c6efad6 100755
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -47,8 +47,8 @@ my (@stack, $re, $dre, $x, $xs, $funcre);
 	$xs	= "[0-9a-f ]";	# hex character or space
 	$funcre = qr/^$x* <(.*)>:$/;
 	if ($arch eq 'aarch64') {
-		#ffffffc0006325cc:       a9bb7bfd        stp     x29, x30, [sp,#-80]!
-		$re = qr/^.*stp.*sp,\#-([0-9]{1,8})\]\!/o;
+		#ffffffc0006325cc:       a9bb7bfd        stp     x29, x30, [sp, #-80]!
+		$re = qr/^.*stp.*sp, \#-([0-9]{1,8})\]\!/o;
 	} elsif ($arch eq 'arm') {
 		#c0008ffc:	e24dd064	sub	sp, sp, #100	; 0x64
 		$re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o;
-- 
2.17.2 (Apple Git-113)