[PATCH 09/10] arm64/kexec: Enable kexec in the arm64 defconfig

Mark Rutland mark.rutland at arm.com
Mon Nov 3 12:05:16 PST 2014


On Fri, Oct 31, 2014 at 11:50:15PM +0000, Geoff Levand wrote:
> On Fri, 2014-10-24 at 11:31 +0100, Mark Rutland wrote:
> > On Fri, Oct 24, 2014 at 12:10:59AM +0100, Geoff Levand wrote:
> > > Signed-off-by: Geoff Levand <geoff at infradead.org>
> > > ---
> > >  arch/arm64/configs/defconfig | 1 +
> > >  1 file changed, 1 insertion(+)
> > > 
> > > diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> > > index d92ef3c..ebf8b3f 100644
> > > --- a/arch/arm64/configs/defconfig
> > > +++ b/arch/arm64/configs/defconfig
> > > @@ -39,6 +39,7 @@ CONFIG_PREEMPT=y
> > >  CONFIG_KSM=y
> > >  CONFIG_TRANSPARENT_HUGEPAGE=y
> > >  CONFIG_CMA=y
> > > +CONFIG_KEXEC=y
> > 
> > Given this is going to be incompatible with KVM, and KVM is already in
> > defconfig, I don't think we can add this until that incompatibility is
> > fixed (or at the very least detected and handled gracefully).
> 
> Sure, I can put in a workaround to print out a message and fail the
> kexec_load sys call if KVM is configured.

What would be the plan for fixing up kexec to work with kvm were we to
do that?

Thanks,
Mark.



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