linux-kernel - Re: [PATCH v3 1/3] iommu/iova: Tidy up iova_cache

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Message-ID: <9a779ae8-c965-b2b0-6f94-865f49ed0e9b@google.com>
Date: Mon, 5 Feb 2024 10:15:25 -0800 (PST)
From: David Rientjes <rientjes@...gle.com>
To: Robin Murphy <robin.murphy@....com>
cc: joro@...tes.org, will@...nel.org, pasha.tatashin@...een.com, 
    iommu@...ts.linux.dev, linux-kernel@...r.kernel.org, linux-mm@...ck.org, 
    yosryahmed@...gle.com, john.g.garry@...cle.com
Subject: Re: [PATCH v3 1/3] iommu/iova: Tidy up iova_cache_get() failure

On Mon, 5 Feb 2024, Robin Murphy wrote:

> Failure handling in iova_cache_get() is a little messy, and we'd like
> to add some more to it, so let's tidy up a bit first. By leaving the
> hotplug handler until last we can take advantage of kmem_cache_destroy()
> being NULL-safe to have a single cleanup label. We can also improve the
> error reporting, noting that kmem_cache_create() already screams if it
> fails, so that one is redundant.
> 
> Signed-off-by: Robin Murphy <robin.murphy@....com>

Much easier to follow :)

Acked-by: David Rientjes <rientjes@...gle.com>