From: Paul Bolle <pebolle@tiscali.nl>
To: Andy Lutomirski <luto@kernel.org>, x86@kernel.org
Cc: Borislav Petkov <bp@alien8.de>,
linux-kernel@vger.kernel.org,
Rusty Russell <rusty@rustcorp.com.au>,
Paolo Bonzini <pbonzini@redhat.com>,
Rik van Riel <riel@redhat.com>, kvm list <kvm@vger.kernel.org>
Subject: Re: [PATCH 0/8] x86/fpu: Remove CR0.TS support
Date: Mon, 31 Oct 2016 23:41:19 +0100 [thread overview]
Message-ID: <1477953679.2230.7.camel@tiscali.nl> (raw)
In-Reply-To: <cover.1477951965.git.luto@kernel.org>
On Mon, 2016-10-31 at 15:18 -0700, Andy Lutomirski wrote:
> I havne't meaningfully tested lguest because I can't get it to work
> even without these patches.
Have you disabled CONFIG_OLPC in the .config for the guest kernel?
Otherwise you will run into
lguest: Reinjecting trap 13 for fault at 0x1000062: Invalid argument
A similar obscure gotcha (I think it is "unhandled trap 13") can be
avoided by launching the guest with the dis_ucode_ldr kernel option.
Hope this helps,
Paul Bolle
next prev parent reply other threads:[~2016-10-31 22:41 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-31 22:18 [PATCH 0/8] x86/fpu: Remove CR0.TS support Andy Lutomirski
2016-10-31 22:18 ` [PATCH 1/8] fpu/init: Get rid of two redundant clts() calls Andy Lutomirski
2016-11-01 7:13 ` [tip:x86/fpu] x86/fpu: " tip-bot for Andy Lutomirski
2016-10-31 22:18 ` [PATCH 2/8] fpu/bugs: Stop saving and restoring CR0.TS in fpu__init_check_bugs() Andy Lutomirski
2016-11-01 7:14 ` [tip:x86/fpu] x86/fpu: " tip-bot for Andy Lutomirski
2016-10-31 22:18 ` [PATCH 3/8] x86/fpu: Remove irq_ts_save() and irq_ts_restore() Andy Lutomirski
2016-11-01 7:14 ` [tip:x86/fpu] " tip-bot for Andy Lutomirski
2016-10-31 22:18 ` [PATCH 4/8] x86/kvm: Remove host CR0.TS manipulation Andy Lutomirski
2016-11-01 7:15 ` [tip:x86/fpu] x86/fpu, kvm: " tip-bot for Andy Lutomirski
2016-10-31 22:18 ` [PATCH 5/8] lguest: Remove CR0.TS support Andy Lutomirski
2016-11-01 7:15 ` [tip:x86/fpu] x86/fpu, " tip-bot for Andy Lutomirski
2016-10-31 22:18 ` [PATCH 6/8] x86/fpu: #NM without FPU emulation is an error Andy Lutomirski
2016-11-01 7:16 ` [tip:x86/fpu] x86/fpu: Handle #NM without FPU emulation as " tip-bot for Andy Lutomirski
2016-10-31 22:18 ` [PATCH 7/8] x86/fpu: Remove stts() Andy Lutomirski
2016-11-01 7:16 ` [tip:x86/fpu] " tip-bot for Andy Lutomirski
2016-10-31 22:18 ` [PATCH 8/8] x86/fpu: Remove clts() Andy Lutomirski
2016-11-01 7:17 ` [tip:x86/fpu] " tip-bot for Andy Lutomirski
2016-10-31 22:41 ` Paul Bolle [this message]
2016-10-31 23:04 ` [PATCH 0/8] x86/fpu: Remove CR0.TS support Borislav Petkov
2016-10-31 23:10 ` Paul Bolle
2016-10-31 23:48 ` Borislav Petkov
2016-11-01 7:51 ` Paul Bolle
2016-11-01 8:50 ` Borislav Petkov
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