linux-kernel - Re: [PATCH] fix __percpu annotation in asm-generic

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Date:   Wed, 27 Nov 2019 15:55:19 +0000 (UTC)
From:   Christopher Lameter <cl@...ux.com>
To:     Luc Van Oostenryck <luc.vanoostenryck@...il.com>
cc:     Dennis Zhou <dennis@...nel.org>,
        Ben Dooks <ben.dooks@...ethink.co.uk>,
        linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
        Tejun Heo <tj@...nel.org>, Nicholas Piggin <npiggin@...il.com>,
        Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH] fix __percpu annotation in asm-generic

On Tue, 26 Nov 2019, Luc Van Oostenryck wrote:

> So, fix the declaration of the 'pcp' variable to its correct type:
> the plain (non-percpu) pointer corresponding to its address.
> Same for raw_cpu_generic_xchg(), raw_cpu_generic_cmpxchg() &
> raw_cpu_generic_cmpxchg_double().

Acked-by: Christoph Lameter <cl@...ux.com>

Maybe a better fix is to come up with a typeof_strip_percu() or so
macro for all the places where this needs to be done?