linux-kernel - Re: [PATCH 2/2] Remove VLAIS usage from gadget code

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Message-ID: <CAOzFzEhpFToEvnfEHvQyX3yuoSR5ABDd9TMQ9_W97GKdLTc1eQ@mail.gmail.com>
Date:	Fri, 2 Nov 2012 02:38:46 +1100
From:	Joseph Glanville <joseph.glanville@...onvm.com.au>
To:	Behan Webster <behanw@...verseincode.com>
Cc:	balbi@...com, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] Remove VLAIS usage from gadget code

On 31 October 2012 05:25, Behan Webster <behanw@...verseincode.com> wrote:
> The use of variable length arrays in structs (VLAIS) in the Linux Kernel code
> precludes the use of compilers which don't implement VLAIS (for instance the
> Clang compiler). This patch instead calculates offsets into the kmalloc-ed
> memory buffer using macros from valign.h.
>
> Signed-off-by: Behan Webster <behanw@...verseincode.com>

Linux only lists 2 requirements in the README.

1. GCC
2. PMMU ( granted this implies a much bigger list of requirements. :P )

Deficiences in Clangs GCC compatibility mode should be addressed
rather than pointlessly changing kernel code.
Possibly propose a patch to Clang instead?

Joseph.

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