[lkml]   [2003]   [Apr]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [ANNOUNCE] desc.c -- dump the i386 descriptor tables
wli wrote:
>> Spiffy; this should help debug various things.

On Thu, Apr 24, 2003 at 05:06:58AM -0400, Chuck Ebbert wrote:
> 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.

I had more in mind using it to verify the correctness of per-node IDT
stuff than checking optimality in general, but it does look very handy.

-- wli
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:34    [W:0.025 / U:2.176 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site