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

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Date: Mon, 5 Feb 2024 13:51:19 -0500
From: Pasha Tatashin <pasha.tatashin@...een.com>
To: Robin Murphy <robin.murphy@....com>
Cc: joro@...tes.org, will@...nel.org, iommu@...ts.linux.dev, 
	linux-kernel@...r.kernel.org, linux-mm@...ck.org, rientjes@...gle.com, 
	yosryahmed@...gle.com, john.g.garry@...cle.com
Subject: Re: [PATCH v3 1/3] iommu/iova: Tidy up iova_cache_get() failure

On Mon, Feb 5, 2024 at 10:32 AM Robin Murphy <robin.murphy@....com> 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>

Reviewed-by: Pasha Tatashin <pasha.tatashin@...een.com>

Thank you,
Pasha