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Message-ID: <20191112051656.GB10289@voyager>
Date: Tue, 12 Nov 2019 06:16:56 +0100
From: Markus Wichmann <nullplan@....net>
To: musl@...ts.openwall.com
Subject: Re: [PATCH 0/6] updates for linux v5.3
On Mon, Nov 11, 2019 at 10:01:50PM -0500, Rich Felker wrote:
> I don't follow that line of reasoning; the alignment would potentially
> differ, but the layout wouldn't, and that's why I initially suspected
> they were doing this for alignment. In any case, the only arch without
> at least 4-byte alignment is m68k, and it's not going to have a 64-bit
> version.
>
Does the alignment even matter in this case? Any variable of this type
passed to the kernel must be copied into kernel space, anyway. And
there, the destination can be made to have any alignment the kernel
authors should like to choose. So what does the alignment of the source
matter?
Ciao,
Markus
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