From: Mark Kettenis (ketteniscvs.openbsd.org)
Date: Wed Oct 01 2008 - 14:13:01 CDT

• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

CVSROOT: /cvs
Module name: src
Changes by: ketteniscvs.openbsd.org 2008/10/01 13:13:01

Modified files:
        sys/arch/hppa/hppa: pmap.c

Log message:
Be more agressive in flusing the cache. In addition to flushing the
instruction cache, also purge TLB entries. The PA-RISC 2.0
architecture says that cache lines may be moved in when a translation
exists even if no access is done. This might have been hurting us
badly since we create illegal aliases in pmap_zero_page() and
pmap_copy_page().

Probably not perfect yet, and perhaps a bit of a sledgehammer, but it
makes PA-RISC 2.0 machines stable again.

• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]