From: Baolu Lu <baolu.lu@linux.intel.com>
To: Zhaoyu Liu <liuzhaoyu.zackary@picoheart.com>,
joro@8bytes.org, will@kernel.org, robin.murphy@arm.com
Cc: baolu.lu@linux.intel.com, iommu@lists.linux.dev,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] iommu/sva: remove iommu_sva_present flag
Date: Wed, 2 Sep 2026 09:37:00 +0800 [thread overview]
Message-ID: <19132505-225a-45fb-a507-b916a718dccc@linux.intel.com> (raw)
In-Reply-To: <aoq8VGFL/Mdjd/M5@hostpc>
On 8/23/2026 5:24 PM, Zhaoyu Liu wrote:
> The global iommu_sva_present bool merely mirrors
> !list_empty(&iommu_sva_mms) under the same mutex. Remove it and rely
> on list_for_each_entry to handle the empty list case, which is a no-op.
>
> Signed-off-by: Zhaoyu Liu<liuzhaoyu.zackary@picoheart.com>
> ---
> drivers/iommu/iommu-sva.c | 14 +++-----------
> 1 file changed, 3 insertions(+), 11 deletions(-)
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
prev parent reply other threads:[~2026-09-02 1:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-23 9:24 [PATCH] iommu/sva: remove iommu_sva_present flag Zhaoyu Liu
2026-08-27 13:10 ` Jason Gunthorpe
2026-09-01 8:21 ` Zhaoyu Liu
2026-09-02 1:37 ` Baolu Lu [this message]
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