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Date:   Wed, 13 Feb 2019 12:35:13 +0800
From:   Herbert Xu <>
To:     David Miller <>
Subject: Re: [PATCH v2] rhashtable: make walk safe from softirq context

On Tue, Feb 12, 2019 at 10:43:39AM -0800, David Miller wrote:
> Herbert and Johannes, I need some guidance.
> It seems Herbert wants the softirq usage of rhashtables removed, but
> since things have been like this for so long that's not the most
> reasonable requirement if we can fix it more simply with Johannes's
> patch especially for -stable.

I agree that we should provide a fix simple enough to backport.
However, I think the simplest fix is to simply use a linked list
for the walk.

I can prepare a patch for this if everybody else agrees with this

Email: Herbert Xu <>
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