[dpdk-dev] arch check in example dpdk_qat

De Lara Guarch, Pablo pablo.de.lara.guarch at intel.com
Thu Mar 24 11:50:11 CET 2016


Hi Thomas,

> -----Original Message-----
> From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com]
> Sent: Wednesday, March 23, 2016 11:04 AM
> To: Richardson, Bruce; De Lara Guarch, Pablo
> Cc: dev at dpdk.org
> Subject: arch check in example dpdk_qat
> 
> When reading examples/dpdk_qat/Makefile, we can see this check:
> 
>     ifneq ($(CONFIG_RTE_ARCH),"x86_64")
>         ifneq ($(LBITS),i686)
>         $(error The RTE_TARGET chosen is not compatible with this environment
> \
>         (x86_64), for this application. Please change the definition of the \
>         RTE_TARGET environment variable, or run the application on a 32-bit
> OS)
>         endif
>     endif
> 
> Is it on purpose to limit the 32-bit support to i686 only?
> Instead of the message "run the application on a 32-bit OS", should it be
> "on an i686 OS"?

i686 OS looks fine to me. Basically, when this app was made, the only 32-bit target was i686,
and the app needs the QAT driver to be running in 32 bits, if DPDK target is 32-bit.

Thanks,
Pablo


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