On 2020-05-22 01:32, "Kai Mäkisara (Kolumbus)" wrote:
On 21. May 2020, at 22.47, Bart Van Assche wrote:
On 2020-05-18 21:55, John Hubbard wrote:
This code was using get_user_pages*(), in a "Case 2" scenario
(DMA/RDMA), using the categorization from [1]. That means that it's
time to convert
> On 21. May 2020, at 22.47, Bart Van Assche wrote:
>
> On 2020-05-18 21:55, John Hubbard wrote:
>> This code was using get_user_pages*(), in a "Case 2" scenario
>> (DMA/RDMA), using the categorization from [1]. That means that it's
>> time to convert the get_user_pages*() + put_page() calls
On 2020-05-21 12:57, John Hubbard wrote:
> Also, I doubt if it's worth it, but do you want a patch to change
> SetPageDirty()
> to set_page_dirty_lock(), meanwhile? It seems like if that's never come
> up, then
> it's mostly a theoretical bug.
Hi John,
Since I do not use the st driver myself I
On 2020-05-21 12:47, Bart Van Assche wrote:
On 2020-05-18 21:55, John Hubbard wrote:
This code was using get_user_pages*(), in a "Case 2" scenario
(DMA/RDMA), using the categorization from [1]. That means that it's
time to convert the get_user_pages*() + put_page() calls to
pin_user_pages*() +
On 2020-05-18 21:55, John Hubbard wrote:
> This code was using get_user_pages*(), in a "Case 2" scenario
> (DMA/RDMA), using the categorization from [1]. That means that it's
> time to convert the get_user_pages*() + put_page() calls to
> pin_user_pages*() + unpin_user_pages() calls.
>
> There is
John,
> Looks like I accidentally doubled a word on the subject line: "convert
> convert".
>
> I'd appreciate it a maintainer could remove one of those for me, while
> applying the patch, assuming that we don't need a v2 for other
> reasons.
I can fix that up. But I'll give Kai a chance to
On 2020-05-18 21:55, John Hubbard wrote:
This code was using get_user_pages*(), in a "Case 2" scenario
(DMA/RDMA), using the categorization from [1]. That means that it's
time to convert the get_user_pages*() + put_page() calls to
pin_user_pages*() + unpin_user_pages() calls.
Looks like I
This code was using get_user_pages*(), in a "Case 2" scenario
(DMA/RDMA), using the categorization from [1]. That means that it's
time to convert the get_user_pages*() + put_page() calls to
pin_user_pages*() + unpin_user_pages() calls.
There is some helpful background in [2]: basically, this is a
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