Messages in this thread | | | Date | Wed, 14 Mar 2018 16:42:48 +0100 | From | David Sterba <> | Subject | Re: [PATCH] Btrfs: drop a VLA in btrfs_check_super_csum() |
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On Tue, Mar 13, 2018 at 08:50:22PM +0100, Salvatore Mesoraca wrote: > Avoid a VLA[1] by using a real constant expression instead of a variable. > The compiler should be able to optimize the original code and avoid using > an actual VLA. Anyway this change is useful because it will avoid a false > positive with -Wvla, it might also help the compiler generating better > code. > > [1] https://lkml.org/lkml/2018/3/7/621 > > Signed-off-by: Salvatore Mesoraca <s.mesoraca16@gmail.com>
We already have a patch for that from a few days ago, but thanks anyway.
https://patchwork.kernel.org/patch/10277901/
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