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SubjectRe: Re: [PATCH v7 01/12] iova: Export alloc_iova_fast()
On Wed, May 26, 2021 at 10:36 AM Jason Wang <jasowang@redhat.com> wrote:
>
>
> 在 2021/5/17 下午5:55, Xie Yongji 写道:
> > Export alloc_iova_fast() so that some modules can use it
> > to improve iova allocation efficiency.
> >
> > Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
> > ---
> > drivers/iommu/iova.c | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c
> > index e6e2fa85271c..317eef64ffef 100644
> > --- a/drivers/iommu/iova.c
> > +++ b/drivers/iommu/iova.c
> > @@ -450,6 +450,7 @@ alloc_iova_fast(struct iova_domain *iovad, unsigned long size,
> >
> > return new_iova->pfn_lo;
> > }
> > +EXPORT_SYMBOL_GPL(alloc_iova_fast);
> >
> > /**
> > * free_iova_fast - free iova pfn range into rcache
>
>
> Interesting, do we need export free_iova_fast() as well?
>

Oh, yes. I missed this commit 6e1ea50a06 ("iommu: Stop exporting
free_iova_fast()"). Will rebase on the newest kernel tree.

Thanks,
Yongji

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