linux-kernel - Re: [PATCH 00 of 31] x86: unification and xen updates

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20080321131738.GI27245@elte.hu>
Date:	Fri, 21 Mar 2008 14:17:38 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Ian Campbell <ijc@...lion.org.uk>
Subject: Re: [PATCH 00 of 31] x86: unification and xen updates


* Jeremy Fitzhardinge <jeremy@...p.org> wrote:

>> so either figure out the bug by review or try turning your IRQ#0 into 
>> a screaming one for debug purposes. (hint: turning irq#0's trigger 
>> mode from 'edge' to 'level' in mpparse.c or ioapic.c does wonders to 
>> that end ;-)
>
> Hm.  I think the problem was that the patch changed the ordering so 
> that the %ebp fault test was happening with interrupts disabled, 
> meaning that any fault-in would happen with interrupts disabled.
>
> Could you tell me if this revised patch still provokes a problem?

it's looking good so far - queued it up.

	Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/