Re: [Gcl-devel] Re: m68k cacheflushing
Greetings!
Richard Zidlicky <rz@linux-m68k.org> writes:
> On Mon, Dec 16, 2002 at 03:05:37PM -0500, Camm Maguire wrote:
>
> Hi,
>
> > > Which kernel version was that? Can you see if the failed flushes
> > > were cornercases like address near page-boundaries? What kind
> > > of ranges need to be flushed?
> > >
> >
> > 2.2.20. Don't know anything special about the flushed ranges except
> > that they are roughly the size of typical .o files (e.g. a few
> > k to a few hundred k), and that they are allocated from the
> > end of a 32k page memory block attached via sbrk.
>
> in that case FLUSH_SCOPE_PAGE is certainly better. It would be still
Interesting -- why is this?
> good to figure out what exactly went wrong with SCOPE_LINE though.
>
Well, after a few days of tests, I cannot reproduce the failure. I do
not know for sure whether there was a kernel upgrade on crest in the
intervening period (Nov. 30 the last test failure date). In any case,
it looks as if the current setting in GCL -- SCOPE_PAGE -- is perhaps
most desirable in any case.
Take care,
> Richard
>
>
--
Camm Maguire camm@enhanced.com
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