RE: linux ipv4 forward performance issue

ro.org] On > Behalf Of Adhemerval Zanella > Sent: Thursday, October 15, 2015 8:01 PM > To: linaro-toolchain@lists.linaro.org > Subject: Re: linux ipv4 forward performance issue > > > > On 14-10-2015 19:06, Jim Wilson wrote: > > On Tue, Oct 13, 2015 at 5:47 AM, Liu T

linux ipv4 forward performance issue

Hello all, When upgrading meta-linaro/meta-linaro-toolchain from daisy to fido, we faced drastic performance downgrade (-34.06%) on linux ipv4 forwarding. The board is ls1021atwr (ARM Cortex-A7 MPCore compliant with ARMv7-A architecture). We did some investigation, and suspected that it is caus

RE: help: cortex-a7 u-boot hang at pcie with gcc-linaro-4.9

Hello Jim, Thanks for your quick response. Some replies below. Thanks. -Ting > -Original Message- > From: Jim Wilson [mailto:jim.wil...@linaro.org] > Sent: Thursday, September 03, 2015 7:14 AM > To: Liu Ting-B28495 > Cc: linaro-toolchain@lists.linaro.org; Lian Mingh

help: cortex-a7 u-boot hang at pcie with gcc-linaro-4.9

Hello guys, I am newbie here and need your kindly help:) When trying to use gcc-linaro-4.9 to build u-boot for ls1021atwr (ARM Cortex-A7 MPCore compliant with ARMv7-A architecture), we face issue. U-boot hangs at PCI-E. After tracing the code, the issue is located at the line "*val = readl(ad