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

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Message-ID: <CACKFLi=JCfD04fAQNi5C6k8DdqPtznkw1JFoOyPWyEv-BZLzuQ@mail.gmail.com>
Date:   Tue, 10 Dec 2019 09:52:57 -0800
From:   Michael Chan <michael.chan@...adcom.com>
To:     Jonathan Lemon <jonathan.lemon@...il.com>
Cc:     David Miller <davem@...emloft.net>,
        Netdev <netdev@...r.kernel.org>, Kernel Team <kernel-team@...com>
Subject: Re: [PATCH net] bnxt: apply computed clamp value for coalece parameter

On Tue, Dec 10, 2019 at 8:39 AM Jonathan Lemon <jonathan.lemon@...il.com> 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>

Thanks.

Signed-off-by: Michael Chan <michael.chan@...adcom.com>