Re: [ANNOUNCE] desc.c -- dump the i386 descriptor tables

Chuck Ebbert (76306.1226@compuserve.com)
Thu, 24 Apr 2003 05:06:58 -0400


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.

------
Chuck
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