-----Original Message----- > Date: Fri, 28 Apr 2017 10:14:11 +0800 > From: Jianbo Liu <jianbo....@linaro.org> > To: Jerin Jacob <jerin.ja...@caviumnetworks.com> > Cc: dev@dpdk.org, tho...@monjalon.net, Hemant Agrawal > <hemant.agra...@nxp.com>, christian.ehrha...@canonical.com > Subject: Re: [dpdk-dev] [PATCH] config: set cache line as 128B in the > generic arm64 config > > On 27 April 2017 at 00:29, Jerin Jacob <jerin.ja...@caviumnetworks.com> wrote: > > armv8 implementations may have 64B or 128B cache line. > > Setting to the maximum available cache line size in generic config to > > address minimum DMA alignment across all arm64 implementations. > > > > Increasing the cacheline size has no negative impact to cache invalidation > > on systems with a smaller cache line. > > > > The need for the minimum DMA alignment has impact on functional aspects > > of the platform so default config should cater the functional aspects. > > > > There is an impact on memory usage with this scheme, but that's not too > > important for the single image arm64 distribution use case. > > > > The arm64 linux kernel followed the similar approach for single > > arm64 image use case. > > http://lxr.free-electrons.com/source/arch/arm64/include/asm/cache.h > > > > Signed-off-by: Jerin Jacob <jerin.ja...@caviumnetworks.com> > > --- > > config/defconfig_arm64-armv8a-linuxapp-gcc | 5 +++++ > > config/defconfig_arm64-dpaa2-linuxapp-gcc | 1 + > > config/defconfig_arm64-xgene1-linuxapp-gcc | 1 + > > 3 files changed, 7 insertions(+) > > -- > > Acked-by: Jianbo Liu <jianbo....@linaro.org>
Thomas, Is it possible to merge this patch for v17.05-rc3?
