netdev - Re: [PATCH net 0/2] net: renesas: rswitch: Fix a lot of redundant irq issue

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Date: Wed, 13 Sep 2023 13:24:29 +0200
From: Simon Horman <horms@...nel.org>
To: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
Cc: s.shtylyov@....ru, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, netdev@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org
Subject: Re: [PATCH net 0/2] net: renesas: rswitch: Fix a lot of redundant
 irq issue

On Tue, Sep 12, 2023 at 10:49:34AM +0900, Yoshihiro Shimoda wrote:
> After this patch series was applied, a lot of redundant interrupts
> no longer occur.
> 
> For example: when "iperf3 -c <ipaddr> -R" on R-Car S4-8 Spider
>  Before the patches are applied: about 800,000 times happened
>  After the patches were applied: about 100,000 times happened
> 
> Yoshihiro Shimoda (2):
>   net: renesas: rswitch: Fix unmasking irq condition
>   net: renesas: rswitch: Add spin lock protection for irq {un}mask
> 
>  drivers/net/ethernet/renesas/rswitch.c | 20 ++++++++++++++++----
>  drivers/net/ethernet/renesas/rswitch.h |  2 ++
>  2 files changed, 18 insertions(+), 4 deletions(-)

For series,

Reviewed-by: Simon Horman <horms@...nel.org>