Re: [PATCH v3] staging: kpc2000: Convert put_page to put_user_page*()

2019-07-20 Thread Bharath Vedartham
On Fri, Jul 19, 2019 at 08:59:02PM +, Matt Sickler wrote: > >From: Bharath Vedartham > >Changes since v2 > >- Added back PageResevered check as suggested by John Hubbard. > > > >The PageReserved check needs a closer look and is not worth messing > >around with for now. > > > >Matt,

Re: [PATCH v3] staging: kpc2000: Convert put_page to put_user_page*()

2019-07-20 Thread Bharath Vedartham
On Fri, Jul 19, 2019 at 02:28:39PM -0700, John Hubbard wrote: > On 7/19/19 1:02 PM, Bharath Vedartham wrote: > > There have been issues with coordination of various subsystems using > > get_user_pages. These issues are better described in [1]. > > > > An implementation of tracking get_user_pages

Re: [PATCH v3] staging: kpc2000: Convert put_page to put_user_page*()

2019-07-19 Thread John Hubbard
On 7/19/19 1:02 PM, Bharath Vedartham wrote: > There have been issues with coordination of various subsystems using > get_user_pages. These issues are better described in [1]. > > An implementation of tracking get_user_pages is currently underway > The implementation requires the use

Re: [PATCH v3] staging: kpc2000: Convert put_page to put_user_page*()

2019-07-19 Thread John Hubbard
On 7/19/19 1:59 PM, Matt Sickler wrote: >> From: Bharath Vedartham >> Changes since v2 >>- Added back PageResevered check as suggested by John Hubbard. >> >> The PageReserved check needs a closer look and is not worth messing >> around with for now. >> >> Matt, Could you give any

RE: [PATCH v3] staging: kpc2000: Convert put_page to put_user_page*()

2019-07-19 Thread Matt Sickler
>From: Bharath Vedartham >Changes since v2 >- Added back PageResevered check as suggested by John Hubbard. > >The PageReserved check needs a closer look and is not worth messing >around with for now. > >Matt, Could you give any suggestions for testing this patch? Myself or someone else