On Wed, 29 May 2002, Ralf Baechle wrote:
> > I converted a few flush_cache_all() invocations to __flush_cache_all()
> > where appropriate late last year, but the function is a bit older. I
> > think you might dig the linux-kernel list archives for a discussion on the
> > semantics of flush_cache_all() (it's a nop for many MIPS CPUs) and
> > friends. The short description in Documentation/cachetlb.txt is a bit
> > insufficient, I'm afraid.
>
> I don't like that function very much; it's sort of a shotgun approach
> to flushing caches in a part of the kernel that's not too performance
> relevant. The whole interface sucks, should be replaced by something
> more finegrained.
Well, I suspect the API might be somewhat influenced by SPARC's oddities.
;-)
--
+ Maciej W. Rozycki, Technical University of Gdansk, Poland +
+--------------------------------------------------------------+
+ e-mail: macro@ds2.pg.gda.pl, PGP key available +
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