netdev - Re: [net PATCH v2 1/1] drivers: net: cpsw: fix disabling of tx interrupt in rx isr

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Date:	Thu, 09 Jul 2015 14:54:04 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	mugunthanvnm@...com
Cc:	netdev@...r.kernel.org, balbi@...com, stable@...r.kernel.org
Subject: Re: [net PATCH v2 1/1] drivers: net: cpsw: fix disabling of tx
 interrupt in rx isr

From: Mugunthan V N <mugunthanvnm@...com>
Date: Wed, 8 Jul 2015 14:35:22 +0530

> In commit 'c03abd84634d ("net: ethernet: cpsw: don't requests
> IRQs we don't use")', common isr is split into tx and rx, but
> in rx isr tx interrupt is also disabledi in cpsw_disable_irq().
> So tx interrupts are not handled during rx interrupts and rx
> napi completion and results in poor tx performance by 40Mbps.
> Fixing by disabling only rx interrupt in rx isr.
> 
> Cc: Felipe Balbi <balbi@...com>
> Cc: <stable@...r.kernel.org> # v4.0+
> Signed-off-by: Mugunthan V N <mugunthanvnm@...com>

Applied, thanks.
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