From: Antonino Daplas <adaplas@pol.net>
To: Thomas Winischhofer <thomas@winischhofer.net>
Cc: James Simmons <jsimmons@infradead.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Linux Fbdev development list
<linux-fbdev-devel@lists.sourceforge.net>
Subject: Re: Some questions
Date: 12 Mar 2003 06:51:43 +0800 [thread overview]
Message-ID: <1047422558.1128.120.camel@localhost.localdomain> (raw)
In-Reply-To: <3E6E61C6.2000503@winischhofer.net>
On Wed, 2003-03-12 at 06:23, Thomas Winischhofer wrote:
> >
> > I actually prefer #3, and I already have working code for this. We can
> > also make this driver switchable (ie, drivers that are not affected by X
> > can disable this, and only drivers that are affected such as the riva,
> > aty, radeon, etc can turn this on).
>
> What exactly is a "trusted" console?
>
By default, the pid of each vt is -1. When X loads, it installs its own
VT (ie vt7), which in that case the pid of that particular vt == X's
pid. We can check this pid, and if switching from a vt with pid == -1,
we can safely assume that the hardware state is still sane, and if not,
assume the hardware state is undefined.
Tony
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next prev parent reply other threads:[~2003-03-11 22:54 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-05 12:18 Some questions Thomas Winischhofer
2003-03-05 13:26 ` Antonino Daplas
2003-03-05 14:06 ` Thomas Winischhofer
2003-03-05 15:25 ` Antonino Daplas
2003-03-05 15:37 ` Thomas Winischhofer
2003-03-05 15:44 ` Geert Uytterhoeven
2003-03-05 15:59 ` Thomas Winischhofer
2003-03-05 16:06 ` Geert Uytterhoeven
2003-03-05 16:34 ` Antonino Daplas
2003-03-05 16:06 ` Antonino Daplas
2003-03-05 16:17 ` Thomas Winischhofer
2003-03-05 16:44 ` Antonino Daplas
2003-03-05 17:01 ` Geert Uytterhoeven
2003-03-05 19:25 ` James Simmons
2003-03-05 19:27 ` James Simmons
2003-03-05 15:40 ` Geert Uytterhoeven
2003-03-05 15:54 ` Antonino Daplas
2003-03-05 19:31 ` James Simmons
2003-03-05 15:48 ` Antonino Daplas
2003-03-05 19:43 ` James Simmons
2003-03-05 22:21 ` Thomas Winischhofer
2003-03-06 0:18 ` James Simmons
2003-03-06 9:03 ` Thomas Winischhofer
2003-03-06 1:18 ` Antonino Daplas
2003-03-06 1:18 ` Antonino Daplas
2003-03-06 8:49 ` Thomas Winischhofer
2003-03-06 9:12 ` Geert Uytterhoeven
2003-03-06 9:58 ` Antonino Daplas
2003-03-06 10:14 ` Geert Uytterhoeven
2003-03-06 10:30 ` Antonino Daplas
2003-03-06 9:26 ` Antonino Daplas
2003-03-06 9:43 ` Thomas Winischhofer
2003-03-06 10:05 ` Antonino Daplas
2003-03-06 10:31 ` Sven Luther
2003-03-06 10:48 ` Antonino Daplas
2003-03-06 10:51 ` Antonino Daplas
2003-03-06 11:40 ` Sven Luther
2003-03-06 13:25 ` Antonino Daplas
2003-03-06 15:25 ` James Simmons
2003-03-06 15:27 ` James Simmons
2003-03-07 12:08 ` Thomas Winischhofer
2003-03-07 12:21 ` Geert Uytterhoeven
2003-03-07 18:19 ` James Simmons
2003-03-07 14:01 ` Antonino Daplas
2003-03-07 15:19 ` Thomas Winischhofer
2003-03-07 16:19 ` Antonino Daplas
2003-03-07 17:00 ` Thomas Winischhofer
2003-03-07 17:42 ` Antonino Daplas
2003-03-07 18:31 ` James Simmons
2003-03-07 17:49 ` Thomas Winischhofer
2003-03-11 16:23 ` James Simmons
2003-03-07 20:12 ` Antonino Daplas
2003-03-07 20:51 ` Thomas Winischhofer
2003-03-08 0:58 ` Antonino Daplas
2003-03-08 5:40 ` Antonino Daplas
2003-03-08 14:11 ` Thomas Winischhofer
2003-03-08 14:20 ` Thomas Winischhofer
2003-03-08 22:03 ` Antonino Daplas
2003-03-09 3:47 ` Thomas Winischhofer
2003-03-09 6:18 ` Antonino Daplas
2003-03-07 18:30 ` James Simmons
2003-03-11 16:07 ` James Simmons
2003-03-11 21:03 ` Thomas Winischhofer
2003-03-05 19:16 ` James Simmons
2003-03-05 19:30 ` Geert Uytterhoeven
2003-03-05 19:34 ` James Simmons
2003-03-05 22:13 ` Thomas Winischhofer
2003-03-05 23:53 ` James Simmons
2003-03-06 8:33 ` Geert Uytterhoeven
2003-03-06 9:00 ` Sven Luther
2003-03-06 9:03 ` Antonino Daplas
2003-03-11 16:29 ` James Simmons
2003-03-11 20:07 ` Antonino Daplas
2003-03-11 20:56 ` Thomas Winischhofer
2003-03-11 21:45 ` Antonino Daplas
2003-03-11 22:23 ` Thomas Winischhofer
2003-03-11 22:51 ` Antonino Daplas [this message]
2003-03-12 0:07 ` Michel Dänzer
2003-03-12 1:02 ` Antonino Daplas
2003-03-12 1:29 ` Michel Dänzer
2003-03-12 8:24 ` Geert Uytterhoeven
2003-03-12 15:56 ` Michel Dänzer
2003-03-11 22:27 ` Thomas Winischhofer
2003-03-11 22:51 ` Antonino Daplas
2003-03-11 23:12 ` Thomas Winischhofer
2003-03-05 14:12 ` Geert Uytterhoeven
2003-03-05 14:18 ` Thomas Winischhofer
2003-03-05 14:16 ` Thomas Winischhofer
2003-03-05 15:25 ` Antonino Daplas
2003-03-05 14:22 ` Thomas Winischhofer
2003-03-05 19:02 ` James Simmons
2003-03-06 1:18 ` Antonino Daplas
2003-03-05 18:57 ` James Simmons
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