[dpdk-dev] [dpdk-stable] [PATCH] examples/power: fix ack for enable/disable turbo

David Marchand david.marchand at redhat.com
Thu Feb 13 16:25:26 CET 2020

On Tue, Feb 11, 2020 at 11:50 AM David Hunt <david.hunt at intel.com> wrote:
> When a VM sends a command through virtio-serial to enable/disable
> turbo, it is successfully enabled or disabled, yet the response to the
> VM is NACK. This is because all the library frequency change APIs return
> 1 for success (change in frequency), 0 for success (no change in
> frequency) and -1 for failure. However the turbo enable/disable APIs just
> return 0 for success and -1 for failure.
> Fix the handling of the return code to treat ">= 0" as success, and
> send an ACK. Only send NACK when < 0 (failure).
> Fixes: 0de94bcac7fc ("examples/vm_power: send confirmation cmd to guest")
Cc: stable at dpdk.org

> Signed-off-by: David Hunt <david.hunt at intel.com>
Acked-by: Lei Yao<lei.a.yao at intel.com>

Applied, thanks.

David Marchand

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