linux-kernel - Re: [PATCH] regcache: Store values more directly in maple trees

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Message-ID: <697a0b84-af26-41fb-bdd9-3092f84eb4a3@sirena.org.uk>
Date: Tue, 29 Oct 2024 14:32:33 +0000
From: Mark Brown <broonie@...nel.org>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: linux-kernel@...r.kernel.org, Liam Howlett <liam.howlett@...cle.com>
Subject: Re: [PATCH] regcache: Store values more directly in maple trees

On Tue, Oct 29, 2024 at 03:26:41PM +0100, Geert Uytterhoeven wrote:
> On Thu, Sep 26, 2024 at 12:20 PM Mark Brown <broonie@...nel.org> wrote:

> > + * On 64 bit systems uintptr_t will be 64 bit but unsigned long 32 bit
> > + * so we can store the register values directly in the maple tree.  We

> ... as this assumption is not true: "unsigned long" is 64-bit on
> 64-bit platforms (and 32-bit on 32-bit platforms).

You're right, I'm not sure what I was thinking there.  I think it was
confusion caused by the spurious warnings generated with u64.

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