> -----Original Message-----
> From: Wood Scott-B07421
> Sent: Saturday, November 16, 2013 2:06 AM
> To: Bhushan Bharat-R65777
> Cc: paulus@xxxxxxxxx; agraf@xxxxxxx; kvm-ppc@xxxxxxxxxxxxxxx;
> kvm@xxxxxxxxxxxxxxx; Yoder Stuart-B08248; Bhushan Bharat-R65777
> Subject: Re: [PATCH 4/4 v3] kvm: powerpc: use caching attributes as per linux
> pte
>
> On Fri, 2013-11-15 at 11:01 +0530, Bharat Bhushan wrote:
> > @@ -440,9 +437,9 @@ static inline int kvmppc_e500_shadow_map(struct
> kvmppc_vcpu_e500 *vcpu_e500,
> > }
> >
> > if (likely(!pfnmap)) {
> > - unsigned long tsize_pages = 1 << (tsize + 10 - PAGE_SHIFT);
> > + tsize_pages = 1 << (tsize + 10 - PAGE_SHIFT);
> > pfn = gfn_to_pfn_memslot(slot, gfn);
> > - if (is_error_noslot_pfn(pfn)) {
> > + if (is_error_noslot_pfn(pfn) && printk_ratelimit()) {
> > printk(KERN_ERR "Couldn't get real page for gfn %lx!\n",
> > (long)gfn);
> > return -EINVAL;
>
> The "return -EINVAL" shouldn't be affected by printk_ratelimit().
Sent updated patch correcting this. I sent only this patch of the patch series
hoping no more changed needed in previous patches :)
-Bharat
>
> > @@ -453,7 +450,17 @@ static inline int kvmppc_e500_shadow_map(struct
> kvmppc_vcpu_e500 *vcpu_e500,
> > gvaddr &= ~((tsize_pages << PAGE_SHIFT) - 1);
> > }
> >
> > - kvmppc_e500_ref_setup(ref, gtlbe, pfn);
> > +
> > + pgdir = vcpu_e500->vcpu.arch.pgdir;
> > + ptep = lookup_linux_ptep(pgdir, hva, &tsize_pages);
> > + if (pte_present(*ptep))
> > + wimg = (*ptep >> PTE_WIMGE_SHIFT) & MAS2_WIMGE_MASK;
> > + else if (printk_ratelimit()) {
> > + printk(KERN_ERR "%s: pte not present: gfn %lx, pfn %lx\n",
> > + __func__, (long)gfn, pfn);
> > + return -EINVAL;
> > + }
>
> Likewise.
>
> -Scott
>
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