Messages in this thread | | | Date | Mon, 18 Jun 2007 11:00:24 -0700 | From | "H. Peter Anvin" <> | Subject | Re: man-pages-2.57 is released |
| |
Bodo Eggert wrote: > > BTW1: linux/arch/i386/kernel/ioport.c still states having 8K of bitmaps to > be excessive (and implicitely and now wrongly as not being done). Since > there should only be few processes requiring iopl, the 8K should not be > excessive. We need a native speaker to change this text, at least not me > right now. >
That text almost certainly dates back to when every process had a bitmap.
Unfortunately, in a case of utter design braindamage, you can't have the I/O bitmap be more than 2^16 bytes away from the base of the TSS, so fixing that took a long time.
-hpa - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |