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Re: [Qemu-ppc] [PATCH 1/2] ppc: Add proper real mode translation support
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From: |
Benjamin Herrenschmidt |
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Subject: |
Re: [Qemu-ppc] [PATCH 1/2] ppc: Add proper real mode translation support |
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Date: |
Wed, 29 Jun 2016 12:59:05 +1000 |
On Wed, 2016-06-29 at 12:41 +1000, David Gibson wrote:
> > + /* Actually we don't support unbounded RMA anymore since
> we
> > + * added proper emulation of HV mode. The max we can get
> is
> > + * 16G which also happens to be what we configure for PAPR
> > + * mode so make sure we don't do anything bigger than that
> > + */
> > + spapr->rma_size = MIN(spapr->rma_size, 0x400000000ull);
>
> #1 - Instead of the various KVM / non-KVM cases here, it might be
> simpler to just always clamp the RMA to 256MiB.
That would be sad ... we benefit from having a larger RMA..
Cheers,
Ben.