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SubjectRe: Patch for Retry based AIO-DIO (Was AIO and DIO testingon2.6.0-test7-mm1)
On Thu, Oct 23, 2003 at 04:25:39PM -0700, Andrew Morton wrote:
> Adrian Bunk <> wrote:
> >
> > On Thu, Oct 23, 2003 at 03:59:37PM -0700, Andrew Morton wrote:
> > > Suparna Bhattacharya <> wrote:
> > > >
> > > > It turns out that backing out gcc-Os.patch (on RH 9) or switching
> > > > to a system with an older compiler version made those errors go away.
> > >
> > > Ho hum, so we have our answer.
> > >
> > > Adrian, how do you feel about slotting this under CONFIG_EMBEDDED?
> >
> > That was in the first version of the patch, but Christoph Hellwig asked
> > to drop the EMBEDDED.
> That was before we knew that it craps out when compiled on RH9.

And one of the arguments I had for making it dependent on EXPERIMENTAL
instead of enabling it unconditionally was:

- it's less tested (there might be miscompilations in some part of the
kernel with some supported compilers)

-Os has it's benefits on some systems, so it shouldn't be totally hidden
under EMBEDDED. OTOH, it's less tested, so only people who know what
they are doing should use it (EXPERIMENTAL plus help text).



"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed

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