From: Hanjun Guo <guohanjun@huawei.com>
To: Atish Patra <atish.patra@wdc.com>, <linux-kernel@vger.kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
"Rafael J. Wysocki" <rafael@kernel.org>,
"Peter Zijlstra \(Intel\)" <peterz@infradead.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Linus Walleij <linus.walleij@linaro.org>,
Palmer Dabbelt <palmer@sifive.com>,
Will Deacon <will.deacon@arm.com>,
Mauro Carvalho Chehab <mchehab+samsung@kernel.org>,
linux-riscv@lists.infradead.org, Will Deacon <will@kernel.org>,
Morten Rasmussen <morten.rasmussen@arm.com>,
Jeffrey Hugo <jhugo@codeaurora.org>,
Anup Patel <anup@brainfault.org>,
Russell King <linux@armlinux.org.uk>,
Ingo Molnar <mingo@kernel.org>,
devicetree@vger.kernel.org, Albert Ou <aou@eecs.berkeley.edu>,
Johan Hovold <johan@kernel.org>, Rob Herring <robh+dt@kernel.org>,
Paul Walmsley <paul.walmsley@sifive.com>,
Thomas Gleixner <tglx@linutronix.de>,
linux-arm-kernel@lists.infradead.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Otto Sabart <ottosabart@seberm.com>,
Sudeep Holla <sudeep.holla@arm.com>,
"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH v8 3/7] cpu-topology: Move cpu topology code to common code.
Date: Sat, 29 Jun 2019 11:48:18 +0800 [thread overview]
Message-ID: <5bcd9594-b2c1-7706-aabb-154198019b29@huawei.com> (raw)
In-Reply-To: <20190627195302.28300-4-atish.patra@wdc.com>
On 2019/6/28 3:52, Atish Patra wrote:
> Both RISC-V & ARM64 are using cpu-map device tree to describe
> their cpu topology. It's better to move the relevant code to
> a common place instead of duplicate code.
>
> To: Will Deacon <will.deacon@arm.com>
> To: Catalin Marinas <catalin.marinas@arm.com>
Using Cc: is better.
> Signed-off-by: Atish Patra <atish.patra@wdc.com>
> [Tested on QDF2400]
> Tested-by: Jeffrey Hugo <jhugo@codeaurora.org>
> [Tested on Juno and other embedded platforms.]
> Tested-by: Sudeep Holla <sudeep.holla@arm.com>
> Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
> Acked-by: Will Deacon <will.deacon@arm.com>
> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> ---
> arch/arm64/include/asm/topology.h | 23 ---
> arch/arm64/kernel/topology.c | 303 +-----------------------------
> drivers/base/arch_topology.c | 296 +++++++++++++++++++++++++++++
> include/linux/arch_topology.h | 28 +++
> include/linux/topology.h | 1 +
> 5 files changed, 329 insertions(+), 322 deletions(-)
Tested on Kunpeng920 ARM64 server, works good,
# lscpu
Architecture: aarch64
Byte Order: Little Endian
CPU(s): 96
On-line CPU(s) list: 0-95
Thread(s) per core: 1
Core(s) per socket: 48
Socket(s): 2
NUMA node(s): 4
Vendor ID: 0x48
Model: 0
Stepping: 0x1
CPU max MHz: 2600.0000
CPU min MHz: 260.0000
BogoMIPS: 200.00
L1d cache: 64K
L1i cache: 64K
L2 cache: 512K
L3 cache: 32768K
NUMA node0 CPU(s): 0-23
NUMA node1 CPU(s): 24-47
NUMA node2 CPU(s): 48-71
NUMA node3 CPU(s): 72-95
Flags: fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma dcpop asimddp asimdfhm
Tested-by: Hanjun Guo <guohanjun@huawei.com>
For the ACPI code,
Acked-by: Hanjun Guo <guohanjun@huawei.com>
Thanks
Hanjun
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next prev parent reply other threads:[~2019-06-29 3:49 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-27 19:52 [PATCH v8 0/7] Unify CPU topology across ARM & RISC-V Atish Patra
2019-06-27 19:52 ` [PATCH v8 1/7] Documentation: DT: arm: add support for sockets defining package boundaries Atish Patra
2019-06-27 19:52 ` [PATCH v8 2/7] dt-binding: cpu-topology: Move cpu-map to a common binding Atish Patra
2019-06-27 19:52 ` [PATCH v8 3/7] cpu-topology: Move cpu topology code to common code Atish Patra
2019-06-29 3:48 ` Hanjun Guo [this message]
2019-06-27 19:52 ` [PATCH v8 4/7] arm: Use common cpu_topology structure and functions Atish Patra
2019-06-27 19:53 ` [PATCH v8 5/7] RISC-V: Parse cpu topology during boot Atish Patra
2019-06-27 19:53 ` [PATCH v8 6/7] base: arch_topology: update Kconfig help description Atish Patra
2019-06-27 19:53 ` [PATCH v8 7/7] MAINTAINERS: Add an entry for generic architecture topology Atish Patra
2019-07-01 18:44 ` [PATCH v8 0/7] Unify CPU topology across ARM & RISC-V Paul Walmsley
2019-07-01 18:51 ` Atish Patra
2019-07-01 18:55 ` Paul Walmsley
2019-07-01 20:18 ` Atish Patra
2019-07-12 17:16 ` Paul Walmsley
2019-07-22 19:25 ` Paul Walmsley
2019-07-25 1:24 ` Atish Patra
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