From mboxrd@z Thu Jan 1 00:00:00 1970 From: mlangsdo@redhat.com (Mark Langsdorf) Date: Thu, 15 Jan 2015 12:48:02 -0600 Subject: [PATCH v7 10/17] ARM64 / ACPI: Parse MADT for SMP initialization In-Reply-To: <1421247905-3749-11-git-send-email-hanjun.guo@linaro.org> References: <1421247905-3749-1-git-send-email-hanjun.guo@linaro.org> <1421247905-3749-11-git-send-email-hanjun.guo@linaro.org> Message-ID: <54B80B62.6020000@redhat.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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 > Tested-by: Yijing Wang > Signed-off-by: Hanjun Guo > Signed-off-by: Tomasz Nowicki > --- Tested-by: Mark Langsdorf