linux-kernel - Re: [PATCH -v2] accel/habanalabs: Don't build the driver on UML

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Message-ID: <aBxzYZoPyATllU9c@gmail.com>
Date: Thu, 8 May 2025 11:03:29 +0200
From: Ingo Molnar <mingo@...nel.org>
To: Johannes Berg <johannes@...solutions.net>
Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-tip-commits@...r.kernel.org" <linux-tip-commits@...r.kernel.org>,
	lkp <lkp@...el.com>, "x86@...nel.org" <x86@...nel.org>,
	linux-um@...ts.infradead.org
Subject: Re: [PATCH -v2] accel/habanalabs: Don't build the driver on UML


* Johannes Berg <johannes@...solutions.net> wrote:

> On Thu, 2025-05-08 at 10:57 +0200, Ingo Molnar wrote:
> > > 
> > > I dunno. I guess we can put rdtsc() into UML on x86 as I suggested about
> > > the file placement, or we can also just fix the Kconfig there.
> > 
> > The Kconfig solution looks much simpler to me too :)
> > 
> > Patch attached, does this look good to you?
> 
> Yeah looks good to me. Common gotcha really.
> 
> Reviewed-by: Johannes Berg <johannes@...solutions.net>

Thanks, applied to tip:x86/msr.

> If anyone _really_ needs to have this driver built on UML (say for 
> simulations/testing, we do build iwlwifi for all the time), then 
> they'd probably want to replace the rdtsc() anyway with something 
> else there.

Yeah.

	Ingo