From: "H. Peter Anvin" <hpa@zytor.com>
To: Andi Kleen <ak@linux.intel.com>
Cc: Dave Jones <davej@redhat.com>, Thomas Renninger <trenn@suse.de>,
Andi Kleen <andi@firstfloor.org>,
linux-kernel@vger.kernel.org, kay.sievers@vrf.org,
kay.sievers@vrfy.org
Subject: Re: [PATCH 7/8] cpufreq: Add support for x86 cpuinfo auto loading v3
Date: Wed, 21 Dec 2011 16:08:55 -0800 [thread overview]
Message-ID: <4EF27517.6010609@zytor.com> (raw)
In-Reply-To: <20111222000142.GA10955@alboin.amr.corp.intel.com>
On 12/21/2011 04:01 PM, Andi Kleen wrote:
>> A synthetic one is pointless, because you'd just be duplicating something
>> similar to the above in generic code that would need updating for every new stepping.
>
> powernow-k8 uses two mechanisms: family/models and on newer CPUs like
> Fam15 a CPUID bit. Just not in the standard leaves. This would
> not need to be updated.
>
So this should be:
1. added to the scattered CPUID features list;
2. artificially set in the AMD-specific initialization code for the
older CPUs.
-hpa
next prev parent reply other threads:[~2011-12-22 0:09 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-19 23:46 CPUID based driver autoloading v3 Andi Kleen
2011-12-19 23:46 ` [PATCH 1/8] Add driver auto probing for x86 features v2 Andi Kleen
2011-12-20 1:25 ` [tip:x86/autoprobe] x86: Add driver auto probing for x86 features tip-bot for Andi Kleen
2011-12-23 13:16 ` [PATCH 1/8] Add driver auto probing for x86 features v2 Thomas Renninger
2011-12-19 23:46 ` [PATCH 2/8] crypto: Add support for x86 cpuid auto loading for x86 crypto drivers Andi Kleen
2011-12-20 1:26 ` [tip:x86/autoprobe] x86, " tip-bot for Andi Kleen
2011-12-19 23:46 ` [PATCH 3/8] intel-idle: convert to x86_cpu_id auto probing Andi Kleen
2011-12-20 1:27 ` [tip:x86/autoprobe] x86, " tip-bot for Andi Kleen
2011-12-19 23:46 ` [PATCH 4/8] ACPI: Load acpi-cpufreq from processor driver automatically Andi Kleen
2011-12-20 1:28 ` [tip:x86/autoprobe] x86, acpi: " tip-bot for Andi Kleen
2011-12-19 23:46 ` [PATCH 5/8] HWMON: Convert via-cputemp to x86 cpuid autoprobing Andi Kleen
2011-12-20 1:28 ` [tip:x86/autoprobe] x86, hwmon: " tip-bot for Andi Kleen
2011-12-19 23:46 ` [PATCH 6/8] HWMON: Convert coretemp " Andi Kleen
2011-12-20 1:29 ` [tip:x86/autoprobe] x86, hwmon: " tip-bot for Andi Kleen
2011-12-19 23:46 ` [PATCH 7/8] cpufreq: Add support for x86 cpuinfo auto loading v3 Andi Kleen
2011-12-20 1:30 ` [tip:x86/autoprobe] x86, cpufreq: Add support for x86 cpuinfo auto loading tip-bot for Andi Kleen
2011-12-20 10:12 ` Ingo Molnar
2011-12-20 18:18 ` Andi Kleen
2011-12-21 11:03 ` [PATCH 7/8] cpufreq: Add support for x86 cpuinfo auto loading v3 Thomas Renninger
2011-12-21 20:12 ` Andi Kleen
2011-12-21 20:14 ` H. Peter Anvin
2011-12-21 21:30 ` Dave Jones
2011-12-22 0:01 ` Andi Kleen
2011-12-22 0:08 ` H. Peter Anvin [this message]
2011-12-22 0:14 ` Andi Kleen
2011-12-22 15:29 ` Thomas Renninger
2011-12-22 20:49 ` Andi Kleen
2011-12-22 17:55 ` [PATCH] X86: Introduce HW-Pstate scattered cpuid feature Thomas Renninger
2011-12-19 23:46 ` [PATCH 8/8] x86: autoload microcode driver on Intel and AMD systems Andi Kleen
2011-12-20 1:31 ` [tip:x86/autoprobe] x86: Autoload " tip-bot for Andi Kleen
2011-12-21 15:02 ` [PATCH 9/8] CPU: Introduce ARCH_HAS_CPU_AUTOPROBE and X86 parts Thomas Renninger
2011-12-21 15:32 ` Kay Sievers
2011-12-21 23:29 ` Greg KH
2011-12-21 23:36 ` H. Peter Anvin
2011-12-21 23:46 ` Kay Sievers
2011-12-21 23:50 ` H. Peter Anvin
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