On Tue, 30 Apr 2019, Stefano Stabellini wrote:
> On Tue, 30 Apr 2019, Hillf Danton wrote:
> > A new local variable is introduced for accessing p2m entry with lock
> > protection.
> >
>
> Same comment about html and space damage. But the change looks correct.
I fixed up the patches and committed both of them to the xentip tree.
> >
> > Cc: Stefano Stabellini <sstabell...@kernel.org>
> >
> > Signed-off-by: Hillf Danton <hdan...@sina.com>
> >
> > ---
> >
> >
> >
> > --- a/arch/arm/xen/p2m.c 2019-04-30 12:32:05.363768200 +0800
> >
> > +++ b/arch/arm/xen/p2m.c 2019-04-30 12:58:19.854334100 +0800
> >
> > @@ -70,8 +70,9 @@ unsigned long __pfn_to_mfn(unsigned long
> >
> > entry = rb_entry(n, struct xen_p2m_entry, rbnode_phys);
> >
> > if (entry->pfn <= pfn &&
> >
> > entry->pfn + entry->nr_pages > pfn) {
> >
> > + unsigned long mfn = entry->mfn + (pfn - entry->pfn);
> >
> > read_unlock_irqrestore(&p2m_lock, irqflags);
> >
> > - return entry->mfn + (pfn - entry->pfn);
> >
> > + return mfn;
> >
> > }
> >
> > if (pfn < entry->pfn)
> >
> > n = n->rb_left;
> >
> > --
> >
> >
> >
> >
> > _______________________________________________
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