Re: [PATCH][next] hpilo: Replace one-element array with flexible-array member

From: Greg Kroah-Hartman
Date: Tue Jul 14 2020 - 12:19:53 EST


On Tue, Jul 14, 2020 at 10:44:49AM -0500, Gustavo A. R. Silva wrote:
> There is a regular need in the kernel to provide a way to declare
> having a dynamically sized set of trailing elements in a structure.
> Kernel code should always use âflexible array membersâ[1] for these
> cases. The older style of one-element or zero-length arrays should
> no longer be used[2].
>
> For this particular case, it is important to notice that the cachelines
> change from 7 to 6 after the flexible-array conversion:

That's really funny to see. Nice work, I'll go queue this up. I doubt
anyone will notice as this is a very old driver :)

thanks,

greg k-h