Re: [PATCH net-next 1/4] net: mvneta: Convert to be 64 bits compatible

Le 24/11/2016 à 07:01, Gregory CLEMENT a écrit : > Hi Arnd, > > On jeu., nov. 24 2016, Arnd Bergmann wrote: > >> On Thursday, November 24, 2016 4:37:36 PM CET Jisheng Zhang wrote: >>> solB (a SW shadow cookie) perhaps gives a better performance: in hot path, >>> such as

Re: [PATCH net-next 1/4] net: mvneta: Convert to be 64 bits compatible

Hi Gregory, 2016-11-24 16:01 GMT+01:00 Gregory CLEMENT : > Hi Arnd, > > On jeu., nov. 24 2016, Arnd Bergmann wrote: > >> On Thursday, November 24, 2016 4:37:36 PM CET Jisheng Zhang wrote: >>> solB (a SW shadow cookie) perhaps gives a better

Re: [PATCH net-next 1/4] net: mvneta: Convert to be 64 bits compatible

Hi Arnd, On jeu., nov. 24 2016, Arnd Bergmann wrote: > On Thursday, November 24, 2016 4:37:36 PM CET Jisheng Zhang wrote: >> solB (a SW shadow cookie) perhaps gives a better performance: in hot path, >> such as mvneta_rx(), the driver accesses buf_cookie and buf_phys_addr of >>

Re: [PATCH net-next 1/4] net: mvneta: Convert to be 64 bits compatible

On Thu, 24 Nov 2016 10:00:36 +0100 Arnd Bergmann wrote: > On Thursday, November 24, 2016 4:37:36 PM CET Jisheng Zhang wrote: > > solB (a SW shadow cookie) perhaps gives a better performance: in hot path, > > such as mvneta_rx(), the driver accesses buf_cookie and buf_phys_addr of

Re: [PATCH net-next 1/4] net: mvneta: Convert to be 64 bits compatible

On Thursday, November 24, 2016 4:37:36 PM CET Jisheng Zhang wrote: > solB (a SW shadow cookie) perhaps gives a better performance: in hot path, > such as mvneta_rx(), the driver accesses buf_cookie and buf_phys_addr of > rx_desc which is allocated by dma_alloc_coherent, it's noncacheable if the >

Re: [PATCH net-next 1/4] net: mvneta: Convert to be 64 bits compatible

Hi Marcin, Gregory, Arnd, On Wed, 23 Nov 2016 17:02:11 +0100 Marcin Wojtas wrote: > Hi Gregory, > > 2016-11-23 14:07 GMT+01:00 Gregory CLEMENT: > > Hi Jisheng, Arnd, > > > > > > Thanks for your feedback. > > > > > > On mer., nov. 23 2016, Arnd Bergmann wrote: > > > >> On Wednesday, November

Re: [PATCH net-next 1/4] net: mvneta: Convert to be 64 bits compatible

Hi Gregory, 2016-11-23 14:07 GMT+01:00 Gregory CLEMENT : > Hi Jisheng, Arnd, > > > Thanks for your feedback. > > > On mer., nov. 23 2016, Arnd Bergmann wrote: > >> On Wednesday, November 23, 2016 5:53:41 PM CET Jisheng Zhang wrote: >>> On Tue,

Re: [PATCH net-next 1/4] net: mvneta: Convert to be 64 bits compatible

Hi Jisheng, Arnd, Thanks for your feedback. On mer., nov. 23 2016, Arnd Bergmann wrote: > On Wednesday, November 23, 2016 5:53:41 PM CET Jisheng Zhang wrote: >> On Tue, 22 Nov 2016 22:04:12 +0100 Arnd Bergmann wrote: >> >> > On Tuesday, November 22, 2016 5:48:41 PM CET

Re: [PATCH net-next 1/4] net: mvneta: Convert to be 64 bits compatible

Hi Arnd, On Wed, 23 Nov 2016 11:15:32 +0100 Arnd Bergmann wrote: > On Wednesday, November 23, 2016 5:53:41 PM CET Jisheng Zhang wrote: > > On Tue, 22 Nov 2016 22:04:12 +0100 Arnd Bergmann wrote: > > > > > On Tuesday, November 22, 2016 5:48:41 PM CET Gregory CLEMENT wrote: > > > > +#ifdef

Re: [PATCH net-next 1/4] net: mvneta: Convert to be 64 bits compatible

On Wednesday, November 23, 2016 5:53:41 PM CET Jisheng Zhang wrote: > On Tue, 22 Nov 2016 22:04:12 +0100 Arnd Bergmann wrote: > > > On Tuesday, November 22, 2016 5:48:41 PM CET Gregory CLEMENT wrote: > > > +#ifdef CONFIG_64BIT > > > + void *data_tmp; > > > + > > > + /* In Neta HW only

Re: [PATCH net-next 1/4] net: mvneta: Convert to be 64 bits compatible

On Tue, 22 Nov 2016 22:04:12 +0100 Arnd Bergmann wrote: > On Tuesday, November 22, 2016 5:48:41 PM CET Gregory CLEMENT wrote: > > +#ifdef CONFIG_64BIT > > + void *data_tmp; > > + > > + /* In Neta HW only 32 bits data is supported, so in order to > > +* obtain whole 64 bits

Re: [PATCH net-next 1/4] net: mvneta: Convert to be 64 bits compatible

On Tuesday, November 22, 2016 5:48:41 PM CET Gregory CLEMENT wrote: > +#ifdef CONFIG_64BIT > + void *data_tmp; > + > + /* In Neta HW only 32 bits data is supported, so in order to > +* obtain whole 64 bits address from RX descriptor, we store > +* the upper 32 bits when

[PATCH net-next 1/4] net: mvneta: Convert to be 64 bits compatible

From: Marcin Wojtas Prepare the mvneta driver in order to be usable on the 64 bits platform such as the Armada 3700. [gregory.clem...@free-electrons.com]: this patch was extract from a larger one to ease review and maintenance. Signed-off-by: Marcin Wojtas