netdev - Re: [PATCH net] bnxt: apply computed clamp value for coalece parameter

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Message-ID: <20191213153840.7d9d4187@cakuba.netronome.com>
Date:   Fri, 13 Dec 2019 15:38:40 -0800
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Jonathan Lemon <jonathan.lemon@...il.com>
Cc:     <davem@...emloft.net>, <netdev@...r.kernel.org>,
        <kernel-team@...com>, <michael.chan@...adcom.com>
Subject: Re: [PATCH net] bnxt: apply computed clamp value for coalece
 parameter

On Tue, 10 Dec 2019 08:39:46 -0800, Jonathan Lemon wrote:
> After executing "ethtool -C eth0 rx-usecs-irq 0", the box becomes
> unresponsive, likely due to interrupt livelock.  It appears that
> a minimum clamp value for the irq timer is computed, but is never
> applied.
> 
> Fix by applying the corrected clamp value.
> 
> Fixes: 74706afa712d ("bnxt_en: Update interrupt coalescing logic.")
> Signed-off-by: Jonathan Lemon <jonathan.lemon@...il.com>

Applied, and queued for stable, thanks!