Re: Are media drivers abusing of GFP_DMA? - was: Re: [LSF/MM TOPIC NOTES] x86 ZONE_DMA love

2018-05-15 Thread Luis R. Rodriguez
On Mon, May 14, 2018 at 07:35:03AM -0300, Mauro Carvalho Chehab wrote: > Hi Fabien, > > Em Mon, 14 May 2018 08:00:37 + > Fabien DESSENNE escreveu: > > > On 07/05/18 17:19, Mauro Carvalho Chehab wrote: > > > Em Mon, 07 May 2018 16:26:08 +0300 > > > Laurent Pinchart escreveu: > > > > > >> H

Re: Are media drivers abusing of GFP_DMA? - was: Re: [LSF/MM TOPIC NOTES] x86 ZONE_DMA love

2018-05-15 Thread Mauro Carvalho Chehab
Hi Laurent, Em Tue, 15 May 2018 11:27:44 +0300 Laurent Pinchart escreveu: > Hello, > > On Tuesday, 15 May 2018 10:30:28 EEST Fabien DESSENNE wrote: > > On 14/05/18 12:39, Mauro Carvalho Chehab wrote: > > > Em Mon, 14 May 2018 07:35:03 -0300 Mauro Carvalho Chehab escreveu: > > >> Em Mon, 14

Re: Are media drivers abusing of GFP_DMA? - was: Re: [LSF/MM TOPIC NOTES] x86 ZONE_DMA love

2018-05-15 Thread Laurent Pinchart
Hello, On Tuesday, 15 May 2018 10:30:28 EEST Fabien DESSENNE wrote: > On 14/05/18 12:39, Mauro Carvalho Chehab wrote: > > Em Mon, 14 May 2018 07:35:03 -0300 Mauro Carvalho Chehab escreveu: > >> Em Mon, 14 May 2018 08:00:37 + Fabien DESSENNE escreveu: > >>> On 07/05/18 17:19, Mauro Carvalho Che

Re: Are media drivers abusing of GFP_DMA? - was: Re: [LSF/MM TOPIC NOTES] x86 ZONE_DMA love

2018-05-15 Thread Fabien DESSENNE
On 14/05/18 12:39, Mauro Carvalho Chehab wrote: > Em Mon, 14 May 2018 07:35:03 -0300 > Mauro Carvalho Chehab escreveu: > >> Hi Fabien, >> >> Em Mon, 14 May 2018 08:00:37 + >> Fabien DESSENNE escreveu: >> >>> On 07/05/18 17:19, Mauro Carvalho Chehab wrote: Em Mon, 07 May 2018 16:26:08 +

Re: Are media drivers abusing of GFP_DMA? - was: Re: [LSF/MM TOPIC NOTES] x86 ZONE_DMA love

2018-05-14 Thread Mauro Carvalho Chehab
Em Mon, 14 May 2018 07:35:03 -0300 Mauro Carvalho Chehab escreveu: > Hi Fabien, > > Em Mon, 14 May 2018 08:00:37 + > Fabien DESSENNE escreveu: > > > On 07/05/18 17:19, Mauro Carvalho Chehab wrote: > > > Em Mon, 07 May 2018 16:26:08 +0300 > > > Laurent Pinchart escreveu: > > > > > >> Hi

Re: Are media drivers abusing of GFP_DMA? - was: Re: [LSF/MM TOPIC NOTES] x86 ZONE_DMA love

2018-05-14 Thread Mauro Carvalho Chehab
Hi Fabien, Em Mon, 14 May 2018 08:00:37 + Fabien DESSENNE escreveu: > On 07/05/18 17:19, Mauro Carvalho Chehab wrote: > > Em Mon, 07 May 2018 16:26:08 +0300 > > Laurent Pinchart escreveu: > > > >> Hi Mauro, > >> > >> On Saturday, 5 May 2018 19:08:15 EEST Mauro Carvalho Chehab wrote: > >

Re: Are media drivers abusing of GFP_DMA? - was: Re: [LSF/MM TOPIC NOTES] x86 ZONE_DMA love

2018-05-14 Thread Fabien DESSENNE
On 07/05/18 17:19, Mauro Carvalho Chehab wrote: > Em Mon, 07 May 2018 16:26:08 +0300 > Laurent Pinchart escreveu: > >> Hi Mauro, >> >> On Saturday, 5 May 2018 19:08:15 EEST Mauro Carvalho Chehab wrote: >>> There was a recent discussion about the use/abuse of GFP_DMA flag when >>> allocating memo

RE: Are media drivers abusing of GFP_DMA? - was: Re: [LSF/MM TOPIC NOTES] x86 ZONE_DMA love

2018-05-09 Thread Yasunari.Takiguchi
Dear Mauro > -Original Message- > > There was a recent discussion about the use/abuse of GFP_DMA flag when > allocating memories at LSF/MM 2018 (see Luis notes enclosed). > > The idea seems to be to remove it, using CMA instead. Before doing that, > better to check if what we have on med

Re: Are media drivers abusing of GFP_DMA? - was: Re: [LSF/MM TOPIC NOTES] x86 ZONE_DMA love

2018-05-07 Thread Mauro Carvalho Chehab
Em Mon, 07 May 2018 16:26:08 +0300 Laurent Pinchart escreveu: > Hi Mauro, > > On Saturday, 5 May 2018 19:08:15 EEST Mauro Carvalho Chehab wrote: > > There was a recent discussion about the use/abuse of GFP_DMA flag when > > allocating memories at LSF/MM 2018 (see Luis notes enclosed). > > > > T

Re: Are media drivers abusing of GFP_DMA? - was: Re: [LSF/MM TOPIC NOTES] x86 ZONE_DMA love

2018-05-07 Thread Laurent Pinchart
Hi Mauro, On Saturday, 5 May 2018 19:08:15 EEST Mauro Carvalho Chehab wrote: > There was a recent discussion about the use/abuse of GFP_DMA flag when > allocating memories at LSF/MM 2018 (see Luis notes enclosed). > > The idea seems to be to remove it, using CMA instead. Before doing that, > bett

Are media drivers abusing of GFP_DMA? - was: Re: [LSF/MM TOPIC NOTES] x86 ZONE_DMA love

2018-05-05 Thread Mauro Carvalho Chehab
There was a recent discussion about the use/abuse of GFP_DMA flag when allocating memories at LSF/MM 2018 (see Luis notes enclosed). The idea seems to be to remove it, using CMA instead. Before doing that, better to check if what we have on media is are valid use cases for it, or if it is there ju