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Re: [Xen-devel] [PATCH v3 38/41] powerpc: convert put_page() to put_user_page*()
- To: Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
- From: John Hubbard <jhubbard@xxxxxxxxxx>
- Date: Thu, 8 Aug 2019 18:26:42 -0700
- Cc: linux-fbdev@xxxxxxxxxxxxxxx, Jan Kara <jack@xxxxxxx>, kvm@xxxxxxxxxxxxxxx, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Dave Chinner <david@xxxxxxxxxxxxx>, dri-devel@xxxxxxxxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, Ira Weiny <ira.weiny@xxxxxxxxx>, ceph-devel@xxxxxxxxxxxxxxx, devel@xxxxxxxxxxxxxxxxxxxx, rds-devel@xxxxxxxxxxxxxx, linux-rdma@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, amd-gfx@xxxxxxxxxxxxxxxxxxxxx, Christoph Hellwig <hch@xxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, devel@xxxxxxxxxxxxxxxxxx, linux-media@xxxxxxxxxxxxxxx, intel-gfx@xxxxxxxxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, Jérôme Glisse <jglisse@xxxxxxxxxx>, linux-rpi-kernel@xxxxxxxxxxxxxxxxxxx, Dan Williams <dan.j.williams@xxxxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-nfs@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, LKML <linux-kernel@xxxxxxxxxxxxxxx>, linux-xfs@xxxxxxxxxxxxxxx, linux-crypto@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx
- Delivery-date: Fri, 09 Aug 2019 01:26:52 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 8/7/19 10:42 PM, Michael Ellerman wrote:
> Hi John,
>
> john.hubbard@xxxxxxxxx writes:
>> diff --git a/arch/powerpc/mm/book3s64/iommu_api.c
>> b/arch/powerpc/mm/book3s64/iommu_api.c
>> index b056cae3388b..e126193ba295 100644
>> --- a/arch/powerpc/mm/book3s64/iommu_api.c
>> +++ b/arch/powerpc/mm/book3s64/iommu_api.c
>> @@ -203,6 +202,7 @@ static void mm_iommu_unpin(struct
>> mm_iommu_table_group_mem_t *mem)
>> {
>> long i;
>> struct page *page = NULL;
>> + bool dirty = false;
>
> I don't think you need that initialisation do you?
>
Nope, it can go. Fixed locally, thanks.
Did you get a chance to look at enough of the other bits to feel comfortable
with the patch, overall?
thanks,
--
John Hubbard
NVIDIA
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