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Date: Mon, 3 Jun 2019 10:30:39 -0400 From: "George G. Davis" <george_davis@...tor.com> To: Masahiro Yamada <yamada.masahiro@...ionext.com>, Andy Whitcroft <apw@...onical.com>, Joe Perches <joe@...ches.com>, Catalin Marinas <catalin.marinas@....com>, Will Deacon <will.deacon@....com>, <linux-arm-kernel@...ts.infradead.org>, Michal Marek <michal.lkml@...kovi.net>, <linux-kbuild@...r.kernel.org>, Qian Cai <cai@....pw>, Andrew Morton <akpm@...ux-foundation.org>, "George G. Davis" <george_davis@...tor.com>, Breno Leitao <leitao@...ian.org>, Michael Ellerman <mpe@...erman.id.au>, open list <linux-kernel@...r.kernel.org> Subject: [PATCH v2] scripts/checkstack.pl: Fix arm64 wrong or unknown architecture The following error occurs for the `make ARCH=arm64 checkstack` case: aarch64-linux-gnu-objdump -d vmlinux $(find . -name '*.ko') | \ perl ./scripts/checkstack.pl arm64 wrong or unknown architecture "arm64" As suggested by Masahiro Yamada, fix the above error using regular expressions in the same way it was fixed for the `ARCH=x86` case via commit fda9f9903be6 ("scripts/checkstack.pl: automatically handle 32-bit and 64-bit mode for ARCH=x86"). Suggested-by: Masahiro Yamada <yamada.masahiro@...ionext.com> Signed-off-by: George G. Davis <george_davis@...tor.com> --- v1: - https://patchwork.kernel.org/patch/10970393/ v2: - Updates as Suggested-by: Masahiro Yamada - Update commit subject due to moving the fix from Makefile to checkstack.pl --- scripts/checkstack.pl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl index 122aef5e4e14..371bd17a4983 100755 --- a/scripts/checkstack.pl +++ b/scripts/checkstack.pl @@ -46,7 +46,7 @@ my (@stack, $re, $dre, $x, $xs, $funcre); $x = "[0-9a-f]"; # hex character $xs = "[0-9a-f ]"; # hex character or space $funcre = qr/^$x* <(.*)>:$/; - if ($arch eq 'aarch64') { + if ($arch =~ '^(aarch|arm)64$') { #ffffffc0006325cc: a9bb7bfd stp x29, x30, [sp, #-80]! #a110: d11643ff sub sp, sp, #0x590 $re = qr/^.*stp.*sp, \#-([0-9]{1,8})\]\!/o; -- 2.7.4
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