From: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: x86@kernel.org, Borislav Petkov <bp@suse.de>,
Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
Tony Luck <tony.luck@intel.com>, Len Brown <len.brown@intel.com>,
"Ravi V. Shankar" <ravi.v.shankar@intel.com>,
linux-kernel@vger.kernel.org, Andi Kleen <ak@linux.intel.com>,
Dave Hansen <dave.hansen@intel.com>,
"Gautham R. Shenoy" <ego@linux.vnet.ibm.com>,
Kan Liang <kan.liang@linux.intel.com>,
Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Subject: Re: [PATCH 1/4] drivers core: Introduce CPU type sysfs interface
Date: Mon, 5 Oct 2020 18:08:35 -0700 [thread overview]
Message-ID: <20201006010835.GF6041@ranerica-svr.sc.intel.com> (raw)
In-Reply-To: <20201003110548.GA145099@kroah.com>
On Sat, Oct 03, 2020 at 01:05:48PM +0200, Greg Kroah-Hartman wrote:
> On Sat, Oct 03, 2020 at 10:53:45AM +0200, Greg Kroah-Hartman wrote:
> > On Fri, Oct 02, 2020 at 06:17:42PM -0700, Ricardo Neri wrote:
> > > +/**
> > > + * arch_get_cpu_type_name() - Get the CPU type name
> > > + * @cpu_type: Type of CPU micro-architecture.
> > > + *
> > > + * Returns a string name associated with the CPU micro-architecture type as
> > > + * indicated in @cpu_type. The format shall be <vendor>_<cpu_type>. Returns
> > > + * NULL if the CPU type is not known.
> > > + */
> > > +const char __weak *arch_get_cpu_type_name(u32 cpu_type)
> > > +{
> > > + return NULL;
> > > +}
> >
> > Why is vendor part of this? Shouldn't it just be arch?
> >
> > I say this as "vendor" is kind of "interesting" when it comes to other
> > arches...
> >
> > Speaking of other arches, we all know that other arches have this
> > feature as well, have you worked with any other groups to verify that
> > this interface will also work with them?
>
> Here's one set of patches for ARM64 for much the same type of cpu
> design:
> https://android-review.googlesource.com/c/kernel/common/+/1437098/3
> Yes, it's not been posted to any kernel lists, but this is public so you
> need to work with the ARM developers to come up with an interface that
> works for everyone please.
Thanks for the pointer, Greg! I will study this proposal and work with
the ARM engineers.
BR,
Ricardo
next prev parent reply other threads:[~2020-10-06 1:06 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-03 1:17 [PATCH 0/4] drivers core: Introduce CPU type sysfs interface Ricardo Neri
2020-10-03 1:17 ` [PATCH 1/4] " Ricardo Neri
2020-10-03 3:27 ` Randy Dunlap
2020-10-06 1:15 ` Ricardo Neri
2020-10-10 3:14 ` Randy Dunlap
2020-10-03 8:53 ` Greg Kroah-Hartman
2020-10-03 11:05 ` Greg Kroah-Hartman
2020-10-06 1:08 ` Ricardo Neri [this message]
2020-10-06 0:57 ` Ricardo Neri
2020-10-06 7:37 ` Greg Kroah-Hartman
2020-10-07 3:14 ` Ricardo Neri
2020-10-07 5:15 ` Greg Kroah-Hartman
2020-10-08 3:34 ` Ricardo Neri
2020-11-12 6:19 ` Brice Goglin
2020-11-12 6:42 ` Greg Kroah-Hartman
2020-11-12 9:10 ` Brice Goglin
2020-11-12 10:49 ` Greg Kroah-Hartman
2020-11-17 15:55 ` Brice Goglin
2020-11-18 10:45 ` Brice Goglin
2020-11-18 10:57 ` Greg Kroah-Hartman
[not found] ` <38f290d2-4c3a-d1b0-f3cc-a0897ea10abd@gmail.com>
2020-11-12 11:34 ` Greg Kroah-Hartman
2020-11-19 8:25 ` Fox Chen
2020-10-03 1:17 ` [PATCH 2/4] x86/cpu: Describe hybrid CPUs in cpuinfo_x86 Ricardo Neri
2020-10-03 4:07 ` kernel test robot
2020-10-03 1:17 ` [PATCH 3/4] x86/cpu/intel: Add function to get name of hybrid CPU types Ricardo Neri
2020-10-03 1:17 ` [PATCH 4/4] x86/cpu/topology: Implement the CPU type sysfs interface Ricardo Neri
2020-10-03 3:33 ` Randy Dunlap
2020-10-03 5:28 ` kernel test robot
2020-10-03 8:55 ` Greg Kroah-Hartman
2020-10-06 1:05 ` Ricardo Neri
2020-10-03 8:49 ` [PATCH 0/4] drivers core: Introduce " Borislav Petkov
2020-10-06 0:27 ` Ricardo Neri
2020-10-06 8:51 ` Qais Yousef
2020-10-07 2:50 ` Ricardo Neri
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