Messages in this thread | | | Date | Thu, 24 Apr 2003 05:06:58 -0400 | From | Chuck Ebbert <> | Subject | Re: [ANNOUNCE] desc.c -- dump the i386 descriptor tables |
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wli wrote:
> Spiffy; this should help debug various things.
I forgot to mention: try comparing 2.2, 2.4 and 2.5.
Also, this is what I've been using to look at interrupt entry point alignment. On 2.4 for sure, and probably on 2.5 you have a 1-in-8 chance of getting a pathologically badly aligned timer handler on 32-byte cacheline machines every time you compile (IRQ 0 entry address & 0x1f == 0x1c.) OTOH the pagefault handler has come up 8-byte aligned every time but I didn't look at the source to see if it's coded that way.
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