checkstack.pl: fix for aarch64
authorQian Cai <cai@lca.pw>
Fri, 14 Dec 2018 22:17:20 +0000 (14:17 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 14 Dec 2018 23:05:45 +0000 (15:05 -0800)
commitf1733a1d3cd32a9492f4cf866be37bb46e10163d
tree8e499ba0aa68e32263632242c19cb0113f609bb7
parent01e881f5a1fca4677e82733061868c6d6ea05ca7
checkstack.pl: fix for aarch64

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

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

Right now, checkstack.pl isn't able to print anything on aarch64,
because it won't be able to match the stating objdump line of a function
due to this missing space.  Hence, it displays every stack as zero-size.

After this patch, checkpatch.pl is able to match the start of a
function's objdump, and is then able to calculate each function's stack
correctly.

Link: http://lkml.kernel.org/r/20181207195843.38528-1-cai@lca.pw
Signed-off-by: Qian Cai <cai@lca.pw>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
scripts/checkstack.pl