Messages in this thread | | | Date | Mon, 29 Jun 2009 23:33:42 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [stable] [PATCH] x86, setup (2.6.30-stable) fix 80x34 and 80x60 console modes |
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Greg KH wrote: > On Mon, Jun 29, 2009 at 06:27:40PM -0700, H. Peter Anvin wrote: >> Marc Aurele La France wrote: >>> As coded, most INT10 calls in video-vga.c allow the compiler to assume EAX >>> remains unchanged across them, which is not always the case. This >>> triggers an optimisation issue that causes vga_set_vertical_end() to be >>> called with an incorrect number of scanlines. Fix this by beefing up the >>> asm constraints on these calls. >>> >>> Reported-by: Marc Aurele La France <tsi@xfree86.org> >>> Signed-off-by: Marc Aurele La France <tsi@xfree86.org> >>> Acked-by: H. Peter Anvin <hpa@zytor.com> >> Note: this is not in upstream since upstream is not affected due to the >> new "BIOS glovebox" subsystem. > > So it is a ".30 only" type patch? Any older kernel versions affected? >
Yes, all the way back to .23 or something like that.
-hpa
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