From: James Morse <james.morse@arm.com>
To: AKASHI Takahiro <takahiro.akashi@linaro.org>
Cc: mark.rutland@arm.com, lorenzo.pieralisi@arm.com,
graeme.gregory@linaro.org, al.stone@linaro.org,
ard.biesheuvel@linaro.org, catalin.marinas@arm.com,
bhsharma@redhat.com, tbaicar@codeaurora.org, will.deacon@arm.com,
linux-kernel@vger.kernel.org, hanjun.guo@linaro.org,
sudeep.holla@arm.com, akpm@linux-foundation.org,
dyoung@redhat.com, kexec@lists.infradead.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 2/4] efi/arm: map UEFI memory map even w/o runtime services enabled
Date: Thu, 28 Jun 2018 18:29:17 +0100 [thread overview]
Message-ID: <d910258e-b332-36f3-4024-ed9ab48af278@arm.com> (raw)
In-Reply-To: <20180619064424.6642-3-takahiro.akashi@linaro.org>
Hi Akashi,
On 19/06/18 07:44, AKASHI Takahiro wrote:
> Under the current implementation, UEFI memory map will be mapped and made
> available in virtual mappings only if runtime services are enabled.
> But in a later patch, we want to use UEFI memory map in acpi_os_ioremap()
> to create mappings of ACPI tables using memory attributes described in
> UEFI memory map.
>
> So, as a first step, arm_enter_runtime_services() will be modified
> so that UEFI memory map will be always accessible.
>
> See a relevant commit:
> arm64: acpi: fix alignment fault in accessing ACPI tables
For what its worth:
Acked-by: James Morse <james.morse@arm.com>
Thanks,
James
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next prev parent reply other threads:[~2018-06-28 17:29 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-19 6:44 [PATCH v2 0/4] arm64: kexec, kdump: fix boot failures on acpi-only system AKASHI Takahiro
2018-06-19 6:44 ` [PATCH v2 1/4] arm64: export memblock_reserve()d regions via /proc/iomem AKASHI Takahiro
2018-06-19 13:37 ` Dave Kleikamp
2018-06-19 15:00 ` James Morse
2018-06-19 15:22 ` Dave Kleikamp
2018-07-03 6:47 ` AKASHI Takahiro
2018-07-03 12:14 ` Bhupesh Sharma
2018-07-03 16:12 ` Dave Kleikamp
2018-07-05 22:29 ` Ard Biesheuvel
2018-06-19 6:44 ` [PATCH v2 2/4] efi/arm: map UEFI memory map even w/o runtime services enabled AKASHI Takahiro
2018-06-28 17:29 ` James Morse [this message]
2018-07-05 22:26 ` Ard Biesheuvel
2018-06-19 6:44 ` [PATCH v2 3/4] efi/arm: map UEFI memory map earlier on boot AKASHI Takahiro
2018-07-04 17:06 ` Will Deacon
2018-07-04 18:49 ` Ard Biesheuvel
2018-07-05 9:43 ` AKASHI Takahiro
2018-07-05 11:02 ` James Morse
2018-07-05 16:48 ` Will Deacon
2018-07-05 22:31 ` Ard Biesheuvel
2018-07-06 0:42 ` AKASHI Takahiro
2018-07-06 1:33 ` AKASHI Takahiro
2018-07-06 13:37 ` Will Deacon
2018-06-19 6:44 ` [PATCH v2 4/4] arm64: acpi: fix alignment fault in accessing ACPI AKASHI Takahiro
2018-06-28 17:28 ` James Morse
2018-07-05 22:27 ` Ard Biesheuvel
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