From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Ard Biesheuvel <ardb@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org, linus.walleij@linaro.org,
thunder.leizhen@huawei.com
Subject: Re: [PATCH] ARM: mm: shrink permanent FDT mapping to avoid mismatched attributes
Date: Mon, 15 Aug 2022 15:28:49 +0100 [thread overview]
Message-ID: <YvpYIeEm5SaIpF8f@shell.armlinux.org.uk> (raw)
In-Reply-To: <20220815141027.780659-1-ardb@kernel.org>
On Mon, Aug 15, 2022 at 04:10:27PM +0200, Ard Biesheuvel wrote:
> diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
> index a55a9038abc8..aeb83eb5d251 100644
> --- a/arch/arm/include/asm/memory.h
> +++ b/arch/arm/include/asm/memory.h
> @@ -79,7 +79,6 @@
> #define XIP_VIRT_ADDR(physaddr) (MODULES_VADDR + ((physaddr) & 0x000fffff))
>
> #define FDT_FIXED_BASE UL(0xff800000)
> -#define FDT_FIXED_SIZE (2 * SECTION_SIZE)
> #define FDT_VIRT_BASE(physbase) ((void *)(FDT_FIXED_BASE | (physbase) % SECTION_SIZE))
Should this now use PAGE_SIZE rather than SECTION_SIZE since we won't
be using a section mapping?
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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next prev parent reply other threads:[~2022-08-15 14:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-15 14:10 [PATCH] ARM: mm: shrink permanent FDT mapping to avoid mismatched attributes Ard Biesheuvel
2022-08-15 14:28 ` Russell King (Oracle) [this message]
2022-08-15 14:35 ` Ard Biesheuvel
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