From: Andi Kleen <ak@linux.intel.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>,
x86@kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org,
catalin.marinas@arm.com, will.deacon@arm.com, tglx@linutronix.de,
Ingo Molnar <mingo@kernel.org>,
steve.capper@linaro.org
Subject: Re: [RFC PATCH 0/4] wire up CPU features to udev based module loading
Date: Thu, 7 Nov 2013 13:39:44 -0800 [thread overview]
Message-ID: <20131107213944.GJ1962@tassilo.jf.intel.com> (raw)
In-Reply-To: <527C0195.50008@zytor.com>
On Thu, Nov 07, 2013 at 01:09:41PM -0800, H. Peter Anvin wrote:
> On 11/07/2013 09:17 AM, Ard Biesheuvel wrote:
> > This series implements automatic module loading based on optional CPU features,
> > and tries to do so in a generic way. Currently, 32 feature bits are supported,
> > and how they map to actual CPU features is entirely up to the architecture.
>
> NAK.
>
> We in the x86 world already left 32 bits way behind; we currently have
> 320 bit feature masks.
>
> If you're aiming at doing this in a generic way, it needs to be able to
> accommodate the current x86cpu feature stuff as a subset, which this
> doesn't.
They can just use the exact same code/macros as x86cpu, just need a different
prefix and use wildcards if they miss something (e.g. family)
-Andi
next prev parent reply other threads:[~2013-11-07 21:39 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-07 17:17 [RFC PATCH 0/4] wire up CPU features to udev based module loading Ard Biesheuvel
2013-11-07 17:17 ` [RFC PATCH 1/4] x86: move arch_cpu_uevent() to generic code Ard Biesheuvel
2013-11-07 17:17 ` [RFC PATCH 2/4] cpu: advertise CPU features over udev in a generic way Ard Biesheuvel
2013-11-07 19:33 ` Dave Martin
2013-11-07 20:00 ` Ard Biesheuvel
2013-11-07 20:55 ` Ard Biesheuvel
2013-11-07 17:17 ` [RFC PATCH 3/4] scripts/mod: add generic CPU features as module alias Ard Biesheuvel
2013-11-07 17:17 ` [RFC PATCH 4/4] arm64: advertise CPU features using module aliases Ard Biesheuvel
2013-11-07 21:09 ` [RFC PATCH 0/4] wire up CPU features to udev based module loading H. Peter Anvin
2013-11-07 21:39 ` Andi Kleen [this message]
2013-11-07 22:15 ` Ard Biesheuvel
2013-11-07 22:30 ` Andi Kleen
2013-11-08 15:09 ` H. Peter Anvin
2013-11-07 22:49 ` H. Peter Anvin
2013-11-08 10:20 ` Ard
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