netdev - RE: [net-next v5 04/15] iecm: Common module introduction and function stubs

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Message-ID: <MW3PR11MB4522ADD532ACCF8C7AAF89BD8F550@MW3PR11MB4522.namprd11.prod.outlook.com>
Date:   Thu, 27 Aug 2020 17:18:25 +0000
From:   "Brady, Alan" <alan.brady@...el.com>
To:     Jakub Kicinski <kuba@...nel.org>,
        "Nguyen, Anthony L" <anthony.l.nguyen@...el.com>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        "Michael, Alice" <alice.michael@...el.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "nhorman@...hat.com" <nhorman@...hat.com>,
        "sassmann@...hat.com" <sassmann@...hat.com>,
        "Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
        "Burra, Phani R" <phani.r.burra@...el.com>,
        "Hay, Joshua A" <joshua.a.hay@...el.com>,
        "Chittim, Madhu" <madhu.chittim@...el.com>,
        "Linga, Pavan Kumar" <pavan.kumar.linga@...el.com>,
        "Skidmore, Donald C" <donald.c.skidmore@...el.com>,
        "Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
        "Samudrala, Sridhar" <sridhar.samudrala@...el.com>
Subject: RE: [net-next v5 04/15] iecm: Common module introduction and function
 stubs

> -----Original Message-----
> From: Jakub Kicinski <kuba@...nel.org>
> Sent: Monday, August 24, 2020 1:41 PM
> To: Nguyen, Anthony L <anthony.l.nguyen@...el.com>
> Cc: davem@...emloft.net; Michael, Alice <alice.michael@...el.com>;
> netdev@...r.kernel.org; nhorman@...hat.com; sassmann@...hat.com;
> Kirsher, Jeffrey T <jeffrey.t.kirsher@...el.com>; Brady, Alan
> <alan.brady@...el.com>; Burra, Phani R <phani.r.burra@...el.com>; Hay,
> Joshua A <joshua.a.hay@...el.com>; Chittim, Madhu
> <madhu.chittim@...el.com>; Linga, Pavan Kumar
> <pavan.kumar.linga@...el.com>; Skidmore, Donald C
> <donald.c.skidmore@...el.com>; Brandeburg, Jesse
> <jesse.brandeburg@...el.com>; Samudrala, Sridhar
> <sridhar.samudrala@...el.com>
> Subject: Re: [net-next v5 04/15] iecm: Common module introduction and
> function stubs
> 
> On Mon, 24 Aug 2020 10:32:55 -0700 Tony Nguyen wrote:
> > +static inline bool
> > +iecm_tx_singleq_clean_all(struct iecm_q_vector *q_vec, int budget) {
> > +	/* stub */
> > +}
> 
> Still a lot of static inlines throughout. Are they making any difference? The
> compiler will inline static functions, anyway.

We haven't profiled the inlines to verify they're doing anything, perhaps just some misguided preemptive performance attempt.  We can remove them.  Will fix.

-alan