On 1/4/06, Adrian Bunk <[email protected]> wrote:
> On Wed, Jan 04, 2006 at 05:39:14PM +0100, Jesper Juhl wrote:
> > On 1/4/06, Adrian Bunk <[email protected]> wrote:
> > > This patch enables 4k stacks by default.
> > >
> > > 4k stacks have become a well-tested feature used fore a long time in
> > > Fedora and even in RHEL 4.
> > >
> > > There are no known problems in in-kernel code with 4k stacks still
> > > present after Neil's patch that went into -mm nearly two months ago.
> > >
> > > Defaulting to 4k stacks in -mm kernel will give some more testing
> > > coverage and should show whether there are really no problems left.
> > >
> > > Keeping the option for now should make the people happy who want to use
> > > the experimental -mm kernel but don't trust the well-tested 4k stacks.
> > >
> > >
> > > Signed-off-by: Adrian Bunk <[email protected]>
> > >
> > > --- linux-2.6.15-rc5-mm3-full/arch/i386/Kconfig.debug.old 2006-01-04 11:43:55.000000000 +0100
> > > +++ linux-2.6.15-rc5-mm3-full/arch/i386/Kconfig.debug 2006-01-04 11:44:14.000000000 +0100
> > > @@ -53,8 +53,8 @@
> > > If in doubt, say "N".
> > >
> > > config 4KSTACKS
> > > - bool "Use 4Kb for kernel stacks instead of 8Kb"
> > > - depends on DEBUG_KERNEL
> > > + bool "Use 4Kb for kernel stacks instead of 8Kb" if DEBUG_KERNEL
> >
> > Why "if DEBUG_KERNEL" ?
>
> This is simply the same as before with the defaults inverted.
>
I just thought that you wanted to get as much testing in -mm as
possible while still leaving the old stacksize option for those who
don't yet trust 4K stacks.
To get maximum testing making 4KSTACKS default Y and removing the "if
DEBUG_KERNEL" conditional just seems to me to be the obvious choice...
--
Jesper Juhl <[email protected]>
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