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From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Subject: Re: [PATCH] fix __percpu annotation in asm-generic
Date: Mon, 23 Mar 2020 22:13:47 -0600
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To: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Cc: Christopher Lameter <cl@linux.com>, Dennis Zhou <dennis@kernel.org>, Ben Dooks <ben.dooks@codethink.co.uk>, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, Tejun Heo <tj@kernel.org>, Nicholas Piggin <npiggin@gmail.com>, Arnd Bergmann <arnd@arndb.de>

On Sat, Nov 30, 2019 at 01:00:37AM +0100, Luc Van Oostenryck wrote:
> Note: it would be much much nicer to do all these type generic
>       macros with '__auto_type' (only supported in GCC 4.9 IIUC
>       and supported in sparse but it shouldn't be very hard to do)..

I'm curious to know if you know why we're not using __auto_type. Because
we're stuck on gcc 4.6, or is there a more subtle reason?

Jason