linux-kernel - Re: [PATCH v2] efi/arm: dump UEFI runtime page tables for ARM

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Message-ID: <Y0aETVf+ejtqluku@arm.com>
Date:   Wed, 12 Oct 2022 10:09:33 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Kefeng Wang <wangkefeng.wang@...wei.com>
Cc:     Russell King <linux@...linux.org.uk>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Will Deacon <will@...nel.org>,
        Ard Biesheuvel <ardb@...nel.org>, linux-efi@...r.kernel.org
Subject: Re: [PATCH v2] efi/arm: dump UEFI runtime page tables for ARM

On Fri, Sep 30, 2022 at 06:10:24PM +0800, Kefeng Wang wrote:
> UEFI runtime page tables dump only for ARM64 at present,
> but ARM support EFI and ARM_PTDUMP_DEBUGFS now. Since
> ARM could potentially execute with a 1G/3G user/kernel
> split, choosing 1G as the upper limit for UEFI runtime
> end, with this, we could enable UEFI runtime page tables.
> 
> Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>

Since this is not an update for arm64, I presume it will go in via
either the EFI or the arm32 tree.

Acked-by: Catalin Marinas <catalin.marinas@....com>