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Date: Thu, 24 Jun 2021 08:45:24 -0700
From: Tyler Retzlaff <roretzla@linux.microsoft.com>
To: Jie Zhou <jizh@linux.microsoft.com>
Cc: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>, dev@dpdk.org,
xiaoyun.li@intel.com, roretzla@microsoft.com, talshn@nvidia.com,
pallavi.kadam@intel.com, thomas@monjalon.net,
bruce.richardson@intel.com, ferruh.yigit@intel.com,
konstantin.ananyev@intel.com, stable@dpdk.org
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User-Agent: Mutt/1.5.21 (2010-09-15)
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH v13 09/10] app/testpmd: fix
unused function warnings
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On Wed, Jun 23, 2021 at 02:26:32PM -0700, Jie Zhou wrote:
> On Mon, Jun 21, 2021 at 02:30:53AM +0300, Dmitry Kozlyuk wrote:
> > -
> > void
> > fdir_set_flex_mask(portid_t port_id, struct rte_eth_fdir_flex_mask *cfg)
> > {
> > diff --git a/app/test-pmd/testpmd.h b/app/test-pmd/testpmd.h
> > index d61a055bdd..a40ee902e8 100644
> > --- a/app/test-pmd/testpmd.h
> > +++ b/app/test-pmd/testpmd.h
> > @@ -917,9 +917,7 @@ int all_ports_stopped(void);
> > int port_is_stopped(portid_t port_id);
> > int port_is_started(portid_t port_id);
> > void pmd_test_exit(void);
> > -#if defined(RTE_NET_I40E) || defined(RTE_NET_IXGBE)
> > void fdir_get_infos(portid_t port_id);
> > -#endif
> > void fdir_set_flex_mask(portid_t port_id,
> > struct rte_eth_fdir_flex_mask *cfg);
> > void fdir_set_flex_payload(portid_t port_id,
>
> Hi Dmitry, I agree that should avoid the #ifdef as much as possible. But in this case, I am not quite sure if I followed your comment correctly. Someone originally introduced these i40e and ixgbe related fdir functions (print_fdir_mask, print_fdir_flex_payload, print_fdir_flex_mask, print_fdir_flow_type, get_fdir_info, fdir_get_infos) into testpmd with adding the #if defined(RTE_NET_I40E) || defined(RTE_NET_IXGBE) for 4 out of 6 functions and left 2 of them outside the #ifdef which caused compilation "unused function" warning. What I did here is just move the starting point of #ifdef to also include those 2 missed functions (print_fdir_mask and print_fdir_flex_payload). IMO the original author would be in better place to reducing the unneccary #ifdef in a proper way.
i think i have to agree with jie here. there are limits to how many
defects we should have to correct which are unrelated change. if this is
critical i think it would be best if the maintainer provide a patch
cleaning up the code they own.
let's not hold this patch up over it because of it being a broad change
we lose a lot of time rebasing where either the maintainer or author
could follow up with a narrow change to correct this.