[dpdk-dev] [PATCH] config: cleanup existing RTE_CACHE_LINE_SIZE selection scheme

Jerin Jacob jerin.jacob at caviumnetworks.com
Mon Feb 8 10:07:38 CET 2016


On Fri, Jan 29, 2016 at 09:54:55AM +0530, Jerin Jacob wrote:
> On Tue, Dec 08, 2015 at 03:03:34PM +0530, Jerin Jacob wrote:
> > On Mon, Dec 07, 2015 at 03:45:10PM +0100, Thomas Monjalon wrote:
> > > 2015-12-07 19:52, Jerin Jacob:
> > > > by default, all the targets will be configured with the 64-byte cache line
> > > > size, targets which have different cache line size can be overridden
> > > > through target specific config file.
> > > > 
> > > > Selected ThunderX and power8 as CONFIG_RTE_CACHE_LINE_SIZE=128 targets
> > > > based on existing configuration.
> > > > 
> > > > Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
> > > 
> > > It looks good.
> > > We are moving from a constant defined on CC command line in most cases
> > > to a constant included in rte_config.h only.
> > > Have you checked that the generated libraries are identical?
> > 
> > Yes, Tested with a 64byte(x86_64-native-linuxapp-gcc) and a 128byte
> > (arm64-thunderx-linuxapp-gcc) target.
> > md5sum build/app/test comes same with or without patch.
> 
> ping

Thomas, Can you review this, This is a long pending item.
This rework based on your request.

Jerin

> 
> > 
> > > It would be good to have a check for POWER8. Chao?
> > > Thanks


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