From: Andi Kleen <ak@suse.de>
To: Arjan van de Ven <arjan@infradead.org>
Cc: linux-kernel@vger.kernel.org, roland@redhat.com,
anemo@mba.ocn.ne.jp, mingo@elte.hu, Andrew Morton <akpm@osdl.org>,
Aleksey_Gorelov@Phoenix.com
Subject: Re: [PATCH] fix broken vm86 interrupt/signal handling
Date: 22 May 2006 13:25:26 +0200 [thread overview]
Message-ID: <p7364jy713t.fsf@verdi.suse.de> (raw)
In-Reply-To: <1148092188.3069.6.camel@laptopd505.fenrus.org>
Arjan van de Ven <arjan@infradead.org> writes:
D> On Fri, 2006-05-19 at 15:09 -0700, Aleksey Gorelov wrote:
> > Hi,
> >
> > This patch
> > www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h
> > =c3ff8ec31c1249d268cd11390649768a12bec1b9 has broken vm86
> > interrupt/signal handling in case when vm86 is called from kernel space.
>
> can you point out where vm86 is called from kernel space?
Programs inside vm86 can run with segments that look like ring 0.
That is why i386 always checks (ring > 0 || vmmask in eflags) when it checks
for user mode.
I guess Aleksey meant that.
-Andi
prev parent reply other threads:[~2006-05-22 11:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-19 22:09 Aleksey Gorelov
2006-05-20 2:29 ` Arjan van de Ven
2006-05-22 11:25 ` Andi Kleen [this message]
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