On Fri, Jul 05, 2024 at 11:28:59AM -0700, Yichen Wang wrote:
> +# @multifd-qatzip-sw-fallback: Enable software fallback if QAT hardware
> +#     is unavailable. Defaults to false. Software fallback performance
> +#     is very poor compared to regular zlib, so be cautious about
> +#     enabling this option. (Since 9.1)

Could we avoid this parameter but always have the fallback?

IMHO anyone who is serious with using a HW-accelerated compression method
during migration should make sure that the HWs are properly setup.

If you think such caucious is required, would warn_report_once() works when
the fallback happens?

Thanks,

-- 
Peter Xu


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