From: hpa@zytor.com (H. Peter Anvin)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH 0/4] wire up CPU features to udev based module loading
Date: Thu, 07 Nov 2013 13:09:41 -0800 [thread overview]
Message-ID: <527C0195.50008@zytor.com> (raw)
In-Reply-To: <1383844657-17487-1-git-send-email-ard.biesheuvel@linaro.org>
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.
-hpa
WARNING: multiple messages have this Message-ID (diff)
From: "H. Peter Anvin" <hpa@zytor.com>
To: Ard Biesheuvel <ard.biesheuvel@linaro.org>,
x86@kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: gregkh@linuxfoundation.org, catalin.marinas@arm.com,
will.deacon@arm.com, tglx@linutronix.de,
Ingo Molnar <mingo@kernel.org>,
steve.capper@linaro.org, Andi Kleen <ak@linux.intel.com>
Subject: Re: [RFC PATCH 0/4] wire up CPU features to udev based module loading
Date: Thu, 07 Nov 2013 13:09:41 -0800 [thread overview]
Message-ID: <527C0195.50008@zytor.com> (raw)
In-Reply-To: <1383844657-17487-1-git-send-email-ard.biesheuvel@linaro.org>
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.
-hpa
next prev parent reply other threads:[~2013-11-07 21:09 UTC|newest]
Thread overview: 30+ 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 ` 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 ` 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 17:17 ` Ard Biesheuvel
2013-11-07 19:33 ` Dave Martin
2013-11-07 19:33 ` Dave Martin
2013-11-07 20:00 ` Ard Biesheuvel
2013-11-07 20:00 ` Ard Biesheuvel
2013-11-07 20:55 ` 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 ` Ard Biesheuvel
2013-11-07 17:17 ` [RFC PATCH 4/4] arm64: advertise CPU features using module aliases Ard Biesheuvel
2013-11-07 17:17 ` Ard Biesheuvel
2013-11-07 21:09 ` H. Peter Anvin [this message]
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
2013-11-07 21:39 ` Andi Kleen
2013-11-07 22:15 ` Ard Biesheuvel
2013-11-07 22:15 ` Ard Biesheuvel
2013-11-07 22:30 ` Andi Kleen
2013-11-07 22:30 ` Andi Kleen
2013-11-08 15:09 ` H. Peter Anvin
2013-11-08 15:09 ` H. Peter Anvin
2013-11-07 22:49 ` H. Peter Anvin
2013-11-07 22:49 ` H. Peter Anvin
2013-11-08 10:20 ` Ard
2013-11-08 10:20 ` Ard
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