[dpdk-dev] [PATCH] eal: force IOVA mode to physical

[Burakov, Anatoly]

On 29-Aug-18 4:58 PM, eric zhang wrote:
> This patch adds a configuration option to force the IOVA mode to
> physical address (PA). There exists virtual devices that are not
> directly attached to the PCI bus, and therefore the auto detection
> of the IOVA mode based on probing the PCI bus and IOMMU configuration
> may not report the required addressing mode. Having the configuration
> option permits the mode to be explicitly configured in this scenario.
> 
> Signed-off-by: eric zhang <eric.zhang at windriver.com>
> ---

Defining this at compile-time seems like an overkill. Wouldn't it be 
better to just add an EAL command-line option to force IOVA mode to a 
particular value?

-- 
Thanks,
Anatoly