From: Borislav Petkov <bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org>
To: Andy Lutomirski <luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org>
Cc: Matt Fleming
<matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>,
LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>,
Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
Ingo Molnar <mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Peter Zijlstra <peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
Subject: Re: EFI mixed mode + perf = rampant triple faults
Date: Wed, 14 Jan 2015 19:35:46 +0100 [thread overview]
Message-ID: <20150114183546.GC6902@pd.tnic> (raw)
In-Reply-To: <CALCETrWOxPwoL0zo0UZMk=05uAEqgY-Xovk1=JHwbVtinx3u3w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On Wed, Jan 14, 2015 at 10:27:47AM -0800, Andy Lutomirski wrote:
> How are you manually triggering an MCE? I've been playing with some
> MCE stuff recently, but the only reasonably reliable way I know of to
> trigger an MCE is using WHEA, and I don't have a box with WHEA, and I
> assume your ASUS T100 doesn't either.
asm volatile("int $18");
> Tianocore makes assumptions about the kernel's GDT layout? Yuck.
Yuck indeed.
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
--
next prev parent reply other threads:[~2015-01-14 18:35 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <5491B4A8.905@amacapital.net>
2014-12-17 16:54 ` EFI mixed mode + perf = rampant triple faults Andy Lutomirski
2014-12-31 18:37 ` Matt Fleming
[not found] ` <20141231183739.GA28946-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2015-01-14 16:51 ` Matt Fleming
[not found] ` <20150114165151.GA3479-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
2015-01-14 18:27 ` Andy Lutomirski
[not found] ` <CALCETrWOxPwoL0zo0UZMk=05uAEqgY-Xovk1=JHwbVtinx3u3w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-01-14 18:35 ` Borislav Petkov [this message]
2015-01-14 18:38 ` Andy Lutomirski
[not found] ` <CALCETrUEfQY-hnmNV9-PfDbEYLa7bVoRcsZc2X0V+mEAbfNH2g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-01-14 18:47 ` Borislav Petkov
2015-01-14 18:49 ` Andy Lutomirski
2015-01-15 19:41 ` Matt Fleming
[not found] ` <20150115194127.GB12079-mF/unelCI9GS6iBeEJttW/XRex20P6io@public.gmane.org>
2015-01-15 19:59 ` H. Peter Anvin
[not found] ` <54B81C2E.2090909-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2015-01-15 22:21 ` Matt Fleming
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20150114183546.GC6902@pd.tnic \
--to=bp-gina5biwoiwzqb+pc5nmwq@public.gmane.org \
--cc=hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org \
--cc=linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=luto-kltTT9wpgjJwATOyAt5JVQ@public.gmane.org \
--cc=matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org \
--cc=mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
--cc=peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org \
--cc=tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox