From: Guenter Roeck <linux@roeck-us.net>
To: Andi Kleen <andi@firstfloor.org>
Cc: Andi Kleen <ak@linux.intel.com>,
x86@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org
Subject: Re: [v8, 4/5] x86/xsave: Make XSAVE check the base CPUID features before enabling
Date: Thu, 16 Nov 2017 14:13:20 -0800 [thread overview]
Message-ID: <20171116221320.GA20005@roeck-us.net> (raw)
In-Reply-To: <20171116190347.GF2482@two.firstfloor.org>
On Thu, Nov 16, 2017 at 11:03:47AM -0800, Andi Kleen wrote:
> > It is what I use at kerneltests.org.
> > See https://github.com/groeck/linux-build-test/tree/master/rootfs/x86_64
> > for configuration and script.
> >
> > > I can't reproduce it here with different qemu settings.
> > >
> > Interesting. What version of qemu are you using ?
>
> I tested with your config: -no-kvm -cpu Broadwell-noTSX -M q35 and still
> don't see any boot warnings. This is
>
> QEMU emulator version 2.9.1(qemu-2.9.1-2.fc26)
>
> If you're on an older version it may be already fixed in qemu then.
>
I see the problem with both qemu 2.9.1 and 2.10.1. Interestingly, I don't
see it with an official Debian 2.5.0 build. Maybe it is the result of some
configuration option in my build.
Let's just ignore it for now.
Guenter
next prev parent reply other threads:[~2017-11-16 22:13 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-05 21:52 Support generic disabling of all XSAVE features Andi Kleen
2017-10-05 21:52 ` [PATCH v8 1/5] x86/xsave: Move xsave initialization to after parsing early parameters Andi Kleen
2017-10-05 21:52 ` [PATCH v8 2/5] x86/cpuid: Add generic table for cpuid dependencies Andi Kleen
2017-10-05 22:41 ` Thomas Gleixner
2017-10-05 23:08 ` Andi Kleen
2017-10-05 23:34 ` Andi Kleen
2017-10-05 21:52 ` [PATCH v8 3/5] x86/cpuid: Make clearcpuid an early param Andi Kleen
2017-10-05 21:52 ` [PATCH v8 4/5] x86/xsave: Make XSAVE check the base CPUID features before enabling Andi Kleen
2017-11-11 23:15 ` [v8, " Guenter Roeck
2017-11-12 6:41 ` Andi Kleen
2017-11-14 1:28 ` Andi Kleen
2017-11-14 1:49 ` Guenter Roeck
2017-11-16 19:03 ` Andi Kleen
2017-11-16 22:13 ` Guenter Roeck [this message]
2017-11-14 2:33 ` Guenter Roeck
2019-06-29 15:22 ` [PATCH v8 " Vegard Nossum
2019-07-01 12:17 ` Sebastian Andrzej Siewior
2019-07-01 16:41 ` Andi Kleen
2019-07-01 16:39 ` Andi Kleen
2017-10-05 21:52 ` [PATCH v8 5/5] x86/xsave: Remove the explicit clearing of XSAVE dependend features Andi Kleen
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