linux-kernel - Re: [PATCH v2] efi: Fix warning of int-to-pointer-cast on x86 32-bit builds

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Date:	Tue, 27 Oct 2015 21:08:47 +0000
From:	Matt Fleming <matt@...eblueprint.co.uk>
To:	Ard Biesheuvel <ard.biesheuvel@...aro.org>
Cc:	Taku Izumi <izumi.taku@...fujitsu.com>,
	Ingo Molnar <mingo.kernel.org@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	kamezawa.hiroyu@...fujitsu.com,
	"linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>
Subject: Re: [PATCH v2] efi: Fix warning of int-to-pointer-cast on x86 32-bit
 builds

On Tue, 27 Oct, at 11:33:55AM, Ard Biesheuvel wrote:
> 
> Does UEFI even allow that? Even if it can describe memory over 4 GB,
> it uses a flat mapping so allocations done by the stub (which
> retrieves the memory map) should never reside at addresses over 4 GB.

Right, exactly. We're good with phys_addr_t.
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