On Thu, Apr 26, 2018 at 06:06:47PM +0200, Riccardo Ravaioli wrote: > Hi all, > > I need to install DPDK on 64-bit Linux machines whose processors might or > might not support AVX instructions. In my current configuration file, > defconfig_x86-64-native-linuxapp-gcc, the parameter CONFIG_RTE_MACHINE is > set to native. If I compile DPDK on a machine that supports AVX and then I > install it (along with openvswitch) on a machine that does *not* support > AVX, openvswitch won't start and will output an "illegal instruction" > error. > > I'm proposing the following patch to fix this issue: >
Hi, rather than changing the code, the best way to handle this is to change the build target to something other than "native" in the build config file. I would suggest "nehalem" as a suitable MACHINE type value. This provides SSE4.x support, but no AVX. /Bruce
