linux-kernel - RE: [Intel-wired-lan] [PATCH V3 net] ice: Re-organizes reqstd/avail {R, T}XQ check/code for efficiency

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Date:   Wed, 12 May 2021 15:42:00 +0000
From:   "Brelinski, TonyX" <tonyx.brelinski@...el.com>
To:     Salil Mehta <salil.mehta@...wei.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "kuba@...nel.org" <kuba@...nel.org>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linuxarm@...wei.com" <linuxarm@...wei.com>,
        "linuxarm@...neuler.org" <linuxarm@...neuler.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
Subject: RE: [Intel-wired-lan] [PATCH V3 net] ice: Re-organizes reqstd/avail
 {R, T}XQ check/code for efficiency

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of
> Salil Mehta
> Sent: Thursday, April 22, 2021 5:00 PM
> To: davem@...emloft.net; kuba@...nel.org
> Cc: salil.mehta@...wei.com; netdev@...r.kernel.org;
> linuxarm@...wei.com; linuxarm@...neuler.org; linux-
> kernel@...r.kernel.org; intel-wired-lan@...ts.osuosl.org
> Subject: [Intel-wired-lan] [PATCH V3 net] ice: Re-organizes reqstd/avail {R,
> T}XQ check/code for efficiency
> 
> If user has explicitly requested the number of {R,T}XQs, then it is
> unnecessary to get the count of already available {R,T}XQs from the PF
> avail_{r,t}xqs bitmap. This value will get overridden by user specified value in
> any case.
> 
> Re-organize this code for improving the flow, readability and efficiency.
> This scope of improvement was found during the review of the ICE driver
> code.
> 
> Fixes: 87324e747fde ("ice: Implement ethtool ops for channels")
> Cc: intel-wired-lan@...ts.osuosl.org
> Tested-by: Tony Brelinski <tonyx.brelinski@...el.com>
> Signed-off-by: Salil Mehta <salil.mehta@...wei.com>
> ---
> Change:
> V2->V3
>  (*) Addressed some comments from Paul Menzel
>      Link: https://lkml.org/lkml/2021/4/21/136
> V1->V2
>  (*) Fixed the comments from Anthony Nguyen(Intel)
>      Link: https://lkml.org/lkml/2021/4/12/1997
> ---
>  drivers/net/ethernet/intel/ice/ice_lib.c | 14 ++++++++------
>  1 file changed, 8 insertions(+), 6 deletions(-)

Tested-by: Tony Brelinski <tonyx.brelinski@...el.com> (A Contingent Worker at Intel)