[lkml]   [2000]   [Sep]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Availability of kdb
"David S. Miller" wrote:

> Date: Sun, 10 Sep 2000 18:14:03 -0600
> From: "Jeff V. Merkey" <>
> Linus' apparently did not understand this, or he would have
> immediately realized that double locking was always generating a
> second non-cacheable memory reference for every lock being taken
> and released.
> Jeff, after working together with Linus for 6 or so years myself, I
> would make a large wager that Linus understands these issues much
> better than even you.
> But then again, as previously stated, I don't take you very seriously,
> but I fear that there are a few on this list who still do.
> Later,
> David S. Miller


You shouldn't fault me because I worked on commercial software for so
long. I did the hardware profiling of this stuff in 1993 -- long before
Linux was even doing SMP. I spent many sleepless nights in Building F
on the Provo campus comparing 'mov <addr>, 0' and "lock bts, <addr>' to
see what would happen. Long before you guys had even written your first
spinlock ......


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

 \ /
  Last update: 2005-03-22 12:41    [W:0.097 / U:0.916 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site