Andrew Morton wrote:
> Mathieu Desnoyers <[email protected]> wrote:
>
> > * Andrew Morton ([email protected]) wrote:
> >
> > > > Use the faster conditional calls for F00F bug handling in do_page_fault.
> > > >
> > >
> > > I guess this means that CONDCALL will be enabled on pretty much all i386,
> > > in which case making the whole feature Kconfigurable is starting to look
> > > marginal.
> > >
> > > Perhaps a better approach would have to made this change dependent upon
> > > CONDCALL, rather than forcing it on.
> > >
> >
> > Do you mean making X86_F00F_BUG depend on COND_CALL instead of selecting
> > it ?
>
> yup
X86_F00F_BUG needs to be enabled in all kernels capable of booting on
P5 class machines, whether or not some obscure CONFIG_COND_CALL thingy
is enabled or not. X86_F00F_BUG is not some optional optimisation, it's
an essential workaround for a serious hardware bug.
Therefore it seems select rather than depend is called for.
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