From: Nicolin Chen <nicolinc@nvidia.com>
To: Robin Murphy <robin.murphy@arm.com>
Cc: <joro@8bytes.org>, <will@kernel.org>, <iommu@lists.linux.dev>,
<linux-kernel@vger.kernel.org>, <jgg@nvidia.com>
Subject: Re: [PATCH] iommu/dma: Clean up redundant MSI cookie check
Date: Fri, 2 Oct 2026 09:58:12 -0700 [thread overview]
Message-ID: <ar/ipObv6hdgq4vH@nvidia.com> (raw)
In-Reply-To: <214eb3e383431f48b517c4bd2ba4f329579a442e.1790958898.git.robin.murphy@arm.com>
On Fri, Oct 02, 2026 at 05:34:58PM +0100, Robin Murphy wrote:
> The has_msi_cookie() condition only mattered transiently as an artefact
> of the cookie rework being done in parallel with the sw_msi rework. Once
> combined, calls to iommu_dma_sw_msi() are themselves dispatched based on
> domain->cookie_type, so checking again is clearly redundant.
>
> Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
prev parent reply other threads:[~2026-10-02 16:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-02 16:34 Robin Murphy
2026-10-02 16:58 ` Nicolin Chen [this message]
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