From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark Langsdorf <mlangsdo@redhat.com>
Subject: Re: [PATCH v7 10/17] ARM64 / ACPI: Parse MADT for SMP initialization
Date: Thu, 15 Jan 2015 12:48:02 -0600
Message-ID: <54B80B62.6020000@redhat.com>
References: <1421247905-3749-1-git-send-email-hanjun.guo@linaro.org> <1421247905-3749-11-git-send-email-hanjun.guo@linaro.org>
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To: Hanjun Guo <hanjun.guo@linaro.org>, Catalin Marinas <catalin.marinas@arm.com>, "Rafael J. Wysocki" <rjw@rjwysocki.net>, Olof Johansson <olof@lixom.net>, Arnd Bergmann <arnd@arndb.de>, Mark Rutland <mark.rutland@arm.com>, Grant Likely <grant.likely@linaro.org>, Will Deacon <will.deacon@arm.com>
Cc: Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>, Graeme Gregory <graeme.gregory@linaro.org>, Sudeep Holla <Sudeep.Holla@arm.com>, Jon Masters <jcm@redhat.com>, Jason Cooper <jason@lakedaemon.net>, Marc Zyngier <marc.zyngier@arm.com>, Bjorn Helgaas <bhelgaas@google.com>, Mark Brown <broonie@kernel.org>, Rob Herring <robh@kernel.org>, Robert Richter <rric@kernel.org>, Randy Dunlap <rdunlap@infradead.org>, Charles.Garcia-Tobin@arm.com, phoenix.liyi@huawei.com, Timur Tabi <timur@codeaurora.org>, suravee.suthikulpanit@amd.com, wangyijing@huawei.com, linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linaro-acpi@lists.linaro.org, Tomasz Nowicki <tomasz.nowicki@linaro.org>
List-Id: linux-acpi@vger.kernel.org

On 01/14/2015 09:04 AM, Hanjun Guo wrote:
> MADT contains the information for MPIDR which is essential for
> SMP initialization, parse the GIC cpu interface structures to
> get the MPIDR value and map it to cpu_logical_map(), and add
> enabled cpu with valid MPIDR into cpu_possible_map.
>
> ACPI 5.1 only has two explicit methods to boot up SMP, PSCI and
> Parking protocol, but the Parking protocol is only specified for
> ARMv7 now, so make PSCI as the only way for the SMP boot protocol
> before some updates for the ACPI spec or the Parking protocol spec.
>
> Parking protocol patches for SMP boot will be sent to upstream when
> the new version of Parking protocol is ready.
>
> Tested-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
> Tested-by: Yijing Wang <wangyijing@huawei.com>
> Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
> Signed-off-by: Tomasz Nowicki <tomasz.nowicki@linaro.org>
> ---
Tested-by: Mark Langsdorf <mlangsdo@redhat.com>