From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 11F5D1E51A for ; Wed, 13 Sep 2023 11:24:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9A68AC433C7; Wed, 13 Sep 2023 11:24:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1694604275; bh=oI4QxwIa+0uVLswqbMXCEUfXoMeGy9kLfMbzOPVMnSY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=j/Oc24iBJ4+HgMYPoSR27YwkCDiN0OKkNl7sgo5ZEb7+CQOCIMHDbvjpU/JKBaK9d qUsSXu+rao6MYzkxXtGk2HD4513pcMhG1E4N4Sn3OQ+o01fDDAuar496X9mVD5aKJi FE20LEcdXfyHDcI6GDIhmPWKstY2HBiGFW+78FiPGgy0EzFEHRHdI++34KQBBEW3CR mA7qB9DQGkO+D+LXC99MnqTrSkxwmPPwEECJIQYarGVl0GTgx7HSarX4loI+ZA51rS 4Bfj52SZI9bQwq7RSi0B1OEMSaajfHFthpUSZV7wbKBiXgkJ3j9SDVZ7ldCq3yKT2b rRCeKy+MRgy8g== Date: Wed, 13 Sep 2023 13:24:29 +0200 From: Simon Horman To: Yoshihiro Shimoda Cc: s.shtylyov@omp.ru, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: Re: [PATCH net 0/2] net: renesas: rswitch: Fix a lot of redundant irq issue Message-ID: <20230913112429.GQ401982@kernel.org> References: <20230912014936.3175430-1-yoshihiro.shimoda.uh@renesas.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230912014936.3175430-1-yoshihiro.shimoda.uh@renesas.com> 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 -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