From: matt@console-pimps•org (Matt Fleming)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 2/8] arm64/efi: register UEFI reserved regions as iomem resources
Date: Tue, 6 Jan 2015 09:13:22 +0000 [thread overview]
Message-ID: <20150106091322.GG3163@console-pimps.org> (raw)
In-Reply-To: <1419275322-29811-3-git-send-email-ard.biesheuvel@linaro.org>
On Mon, 22 Dec, at 07:08:36PM, Ard Biesheuvel wrote:
> To prevent device drivers from attaching to device or memory regions
> owned by the firmware, register all UEFI reserved regions in the iomem
> resource table at init time.
>
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro•org>
> ---
> arch/arm64/kernel/efi.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 46 insertions(+)
Looks nice.
Just curious, have you actually seen drivers trying to claim these
regions?
--
Matt Fleming, Intel Open Source Technology Center
next prev parent reply other threads:[~2015-01-06 9:13 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-22 19:08 [PATCH 0/8] arm64: improved memory map handling for /dev/mem, ACPI etc Ard Biesheuvel
2014-12-22 19:08 ` [PATCH 1/8] arm64/efi: use UEFI memory map unconditionally if available Ard Biesheuvel
2015-01-06 9:04 ` Matt Fleming
2015-01-07 11:48 ` Ard Biesheuvel
2015-01-12 10:46 ` Matt Fleming
2015-01-09 15:41 ` Will Deacon
2014-12-22 19:08 ` [PATCH 2/8] arm64/efi: register UEFI reserved regions as iomem resources Ard Biesheuvel
2015-01-06 9:13 ` Matt Fleming [this message]
2015-01-07 11:53 ` Ard Biesheuvel
2014-12-22 19:08 ` [PATCH 3/8] memblock: add physmem to memblock_dump_all() output Ard Biesheuvel
2015-01-06 9:15 ` Matt Fleming
2014-12-22 19:08 ` [PATCH 4/8] memblock: introduce memblock_add_phys() and memblock_is_physmem() Ard Biesheuvel
2015-01-06 9:19 ` Matt Fleming
2014-12-22 19:08 ` [PATCH 5/8] of: fdt: register physmem in early_init_dt_scan_memory() Ard Biesheuvel
2014-12-22 19:08 ` [PATCH 6/8] arm64/efi: register physmem in reserve_regions() Ard Biesheuvel
2014-12-22 19:08 ` [PATCH 7/8] arm64: use 'physmem' memblock to improve CONFIG_STRICT_DEVMEM handling Ard Biesheuvel
2015-01-09 15:38 ` Will Deacon
2014-12-22 19:08 ` [PATCH 8/8] arm64/efi: memblock_remove rather than _reserve UEFI reserved RAM Ard Biesheuvel
2014-12-26 9:35 ` [PATCH 0/8] arm64: improved memory map handling for /dev/mem, ACPI etc Dave Young
2014-12-29 9:22 ` Ard Biesheuvel
2014-12-30 9:25 ` Dave Young
2014-12-30 13:21 ` Ard Biesheuvel
2015-01-04 8:19 ` Dave Young
2015-01-05 9:18 ` Ard Biesheuvel
2015-01-06 8:16 ` Dave Young
2015-01-07 11:41 ` Ard Biesheuvel
2015-01-08 1:29 ` Dave Young
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