Re: [PATCH resend] vt: fix potential race in VT_WAITACTIVE handler

[Antonino A. Daplas]

On Sun, 2007-04-01 at 14:43 +0200, Michal Januszewski wrote:
> From: Michal Januszewski <spock@xxxxxxxxxx>
> 
> On a multiprocessor machine the VT_WAITACTIVE ioctl call may return 0
> if fg_console has already been updated in redraw_screen() but the
> console switch itself hasn't been completed. Fix this by checking
> fg_console in vt_waitactive() with the console sem held.
> 
> Signed-off-by: Michal Januszewski <spock@xxxxxxxxxx>
Acked-by: Antonino Daplas <adaplas@xxxxxxx>

Andrew,

Drop the old version I sent to you.

Tony


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