[lkml]   [1999]   [May]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: K7 SMP
On Sat, 1 May 1999, Paul Jakma wrote:

> ah ok, so the kernel only ran on one CPU, but processes could run on
> both. i had thought that this was due to a global kernel lock, not
> interrupts.. by what mechanism can the kernel on cpu#0 schedule a
> task to run on cpu#1?
> Hopefully widely available K7 SMP systems will accelerate development
> of EV6 SMP and help the 21264 out aswell.

no.. You misunderstand.

In unix the kernel runs in process context.. So the kernel ran on both
cpus, but two copies of the kernel could not run at one (except when doing
some trivial things). All the int's were processes by cpu0.

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 13:51    [W:0.026 / U:24.948 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site