From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Subject: Re: [PATCH v2 2/4] efi/arm: map UEFI memory map even w/o runtime services enabled References: <20180619064424.6642-1-takahiro.akashi@linaro.org> <20180619064424.6642-3-takahiro.akashi@linaro.org> From: James Morse Message-ID: Date: Thu, 28 Jun 2018 18:29:17 +0100 MIME-Version: 1.0 In-Reply-To: <20180619064424.6642-3-takahiro.akashi@linaro.org> Content-Language: en-US List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: AKASHI Takahiro 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 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 Thanks, James _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec