lkml.org 
[lkml]   [1997]   [Aug]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: Memory Management - BSD vs Linux
Date
Followup to:  <199708131752.KAA13458@connectnet1.connectnet.com>
By author: Darin Johnson <darin@connectnet.com>
In newsgroup: linux.dev.kernel
>
> Ah, this makes more sense now. I assumed TLB's were always
> automatically managed, and didn't realize some chips might not
> do this.
>

No, and it is becoming less common on RISC chips, at least. The Alpha
does TLB reloads in the PALcode (Privileged Architecture Library),
which is software, although running in a special privileged mode --
in some sense similar to SMM on Intel chips.

-hpa
--
PGP: 2047/2A960705 BA 03 D3 2C 14 A8 A8 BD 1E DF FE 69 EE 35 BD 74
See http://www.zytor.com/~hpa/ for web page and full PGP public key
Always looking for a few good BOsFH. ** Linux - the OS of global cooperation
I am Baha'i -- ask me about it or see http://www.bahai.org/

\
 
 \ /
  Last update: 2005-03-22 13:40    [W:0.039 / U:1.800 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site