On Thu, Dec 20, 2018 at 11:30:12AM +1100, Benjamin Herrenschmidt wrote:
> On Wed, 2018-12-19 at 08:50 +0530, Aneesh Kumar K.V wrote:
> > Christoph Hellwig writes:
> >
> > > On Tue, Dec 18, 2018 at 03:11:37PM +0530, Aneesh Kumar K.V wrote:
> > > > +EXPORT_SYMBOL(huge_ptep_modify_prot_start);
> >
On Wed, 2018-12-19 at 08:50 +0530, Aneesh Kumar K.V wrote:
> Christoph Hellwig writes:
>
> > On Tue, Dec 18, 2018 at 03:11:37PM +0530, Aneesh Kumar K.V wrote:
> > > +EXPORT_SYMBOL(huge_ptep_modify_prot_start);
> >
> > The only user of this function is the one you added in the last patch
> > in
On Wed, Dec 19, 2018 at 08:50:57AM +0530, Aneesh Kumar K.V wrote:
> That was done considering that ptep_modify_prot_start/commit was defined
> in asm-generic/pgtable.h. I was trying to make sure I didn't break
> anything with the patch. Also s390 do have that EXPORT_SYMBOL() for the
> same.
Christoph Hellwig writes:
> On Tue, Dec 18, 2018 at 03:11:37PM +0530, Aneesh Kumar K.V wrote:
>> +EXPORT_SYMBOL(huge_ptep_modify_prot_start);
>
> The only user of this function is the one you added in the last patch
> in mm/hugetlb.c, so there is no need to export this function.
>
>> +
>> +void
On Tue, Dec 18, 2018 at 03:11:37PM +0530, Aneesh Kumar K.V wrote:
> +EXPORT_SYMBOL(huge_ptep_modify_prot_start);
The only user of this function is the one you added in the last patch
in mm/hugetlb.c, so there is no need to export this function.
> +
> +void huge_ptep_modify_prot_commit(struct
NestMMU requires us to mark the pte invalid and flush the tlb when we do a
RW upgrade of pte. We fixed a variant of this in the fault path in commit
Fixes: bd5050e38aec ("powerpc/mm/radix: Change pte relax sequence to handle
nest MMU hang")
Signed-off-by: Aneesh Kumar K.V
---
