From: Sudeep Holla <sudeep.holla@arm.com>
To: Jeremy Linton <jeremy.linton@arm.com>, linux-acpi@vger.kernel.org
Cc: Sudeep Holla <sudeep.holla@arm.com>,
linux-arm-kernel@lists.infradead.org, lorenzo.pieralisi@arm.com,
hanjun.guo@linaro.org, rjw@rjwysocki.net, will.deacon@arm.com,
catalin.marinas@arm.com, gregkh@linuxfoundation.org,
mark.rutland@arm.com, linux-kernel@vger.kernel.org,
linux-riscv@lists.infradead.org, wangxiongfeng2@huawei.com,
vkilari@codeaurora.org, ahs3@redhat.com,
dietmar.eggemann@arm.com, morten.rasmussen@arm.com,
palmer@sifive.com, lenb@kernel.org, john.garry@huawei.com,
austinwc@codeaurora.org, tnowicki@caviumnetworks.com
Subject: Re: [PATCH v7 00/13] Support PPTT for ARM64
Date: Thu, 1 Mar 2018 12:06:15 +0000 [thread overview]
Message-ID: <8b5bfd7e-57ea-bb34-85f8-69007a3847e6@arm.com> (raw)
In-Reply-To: <20180228220619.6992-1-jeremy.linton@arm.com>
Hi Jeremy,
On 28/02/18 22:06, Jeremy Linton wrote:
> ACPI 6.2 adds the Processor Properties Topology Table (PPTT), which is
> used to describe the processor and cache topology. Ideally it is
> used to extend/override information provided by the hardware, but
> right now ARM64 is entirely dependent on firmware provided tables.
>
> This patch parses the table for the cache topology and CPU topology.
> When we enable ACPI/PPTT for arm64 we map the physical_id to the
> PPTT node flagged as the physical package by the firmware.
> This results in topologies that match what the remainder of the
> system expects. To avoid inverted scheduler domains we then
> set the MC domain equal to the largest cache within the socket
> below the NUMA domain.
>
I remember reviewing and acknowledging most of the cacheinfo stuff with
couple of minor suggestions for v6. I don't see any Acked-by tags in
this series and don't know if I need to review/ack any more cacheinfo
related patches.
--
Regards,
Sudeep
next prev parent reply other threads:[~2018-03-01 12:06 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-28 22:06 [PATCH v7 00/13] Support PPTT for ARM64 Jeremy Linton
2018-02-28 22:06 ` [PATCH v7 01/13] drivers: base: cacheinfo: move cache_setup_of_node() Jeremy Linton
2018-03-06 16:16 ` Sudeep Holla
2018-02-28 22:06 ` [PATCH v7 02/13] drivers: base: cacheinfo: setup DT cache properties early Jeremy Linton
2018-02-28 22:34 ` Palmer Dabbelt
2018-03-06 16:43 ` Sudeep Holla
2018-02-28 22:06 ` [PATCH v7 03/13] cacheinfo: rename of_node to fw_token Jeremy Linton
2018-03-06 16:45 ` Sudeep Holla
2018-02-28 22:06 ` [PATCH v7 04/13] arm64/acpi: Create arch specific cpu to acpi id helper Jeremy Linton
2018-03-06 17:13 ` Sudeep Holla
2018-02-28 22:06 ` [PATCH v7 05/13] ACPI/PPTT: Add Processor Properties Topology Table parsing Jeremy Linton
2018-03-06 17:39 ` Sudeep Holla
2018-03-08 16:39 ` Ard Biesheuvel
2018-03-08 19:52 ` Jeremy Linton
2018-03-19 10:46 ` Rafael J. Wysocki
2018-03-20 13:25 ` Jeremy Linton
2018-02-28 22:06 ` [PATCH v7 06/13] ACPI: Enable PPTT support on ARM64 Jeremy Linton
2018-03-06 16:55 ` Sudeep Holla
2018-02-28 22:06 ` [PATCH v7 07/13] drivers: base cacheinfo: Add support for ACPI based firmware tables Jeremy Linton
2018-03-06 17:50 ` Sudeep Holla
2018-03-08 17:20 ` Lorenzo Pieralisi
2018-02-28 22:06 ` [PATCH v7 08/13] arm64: " Jeremy Linton
2018-03-03 21:58 ` kbuild test robot
2018-03-06 17:23 ` Sudeep Holla
2018-02-28 22:06 ` [PATCH v7 09/13] ACPI/PPTT: Add topology parsing code Jeremy Linton
2018-02-28 22:06 ` [PATCH v7 10/13] arm64: topology: rename cluster_id Jeremy Linton
2018-03-05 12:24 ` Mark Brown
2018-02-28 22:06 ` [PATCH v7 11/13] arm64: topology: enable ACPI/PPTT based CPU topology Jeremy Linton
2018-02-28 22:06 ` [PATCH v7 12/13] ACPI: Add PPTT to injectable table list Jeremy Linton
2018-02-28 22:06 ` [PATCH v7 13/13] arm64: topology: divorce MC scheduling domain from core_siblings Jeremy Linton
2018-03-01 15:52 ` Morten Rasmussen
2018-02-27 20:18 ` Jeremy Linton
2018-03-06 16:07 ` Morten Rasmussen
2018-03-06 22:22 ` Jeremy Linton
2018-03-07 13:06 ` Morten Rasmussen
2018-03-07 16:19 ` Jeremy Linton
2018-03-14 13:05 ` Morten Rasmussen
2018-03-08 20:41 ` Brice Goglin
2018-03-14 12:43 ` Morten Rasmussen
2018-03-01 12:06 ` Sudeep Holla [this message]
2018-02-27 18:49 ` [PATCH v7 00/13] Support PPTT for ARM64 Jeremy Linton
2018-03-08 15:59 ` Ard Biesheuvel
2018-03-08 17:41 ` Jeremy Linton
2018-03-14 9:57 ` vkilari
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