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From: Aveline Noir <jm5905938@gmail.com>
To: sashiko-reviews@lists.linux.dev
Cc: Andrew Morton <akpm@linux-foundation.org>,
	 Francois Dugast <francois.dugast@intel.com>,
	Christoph Hellwig <hch@lst.de>,  Jason Gunthorpe <jgg@ziepe.ca>,
	Leon Romanovsky <leon@kernel.org>,
	 linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	sashiko-bot@kernel.org
Subject: Re: [PATCH] mm/hmm: honor write requests for owned device-private pages
Date: Sun, 01 Nov 2026 19:58:21 +1100	[thread overview]
Message-ID: <179352350180.2.12918668886938034091.b4-reply@b4> (raw)
In-Reply-To: <sashiko-outbox-192310@kernel.org>

Hi Sashiko,

On Sun, 01 Nov 2026 07:29:15 +0000 sashiko-bot@kernel.org wrote:

> Since no MMU notifier fired, mmu_interval_check_retry() returns false and
> walk_page_range() restarts at the same hmm_vma_walk.last address. Won't this
> spin forever on the unchanged SOFTLEAF_DEVICE_PRIVATE_READ entry while
> holding mmap_read_lock(mm) (or mmap_write_lock(mm)), svms.lock, and
> prange->migrate_mutex?

Oh, I missed that. I'll try to fix it.

Thanks,
Aveline Noir

  parent reply	other threads:[~2026-11-01  8:59 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-31  7:10 Aveline Noir
     [not found] ` <sashiko-outbox-192310@kernel.org>
2026-11-01  8:58   ` Aveline Noir [this message]
2026-11-02 12:23     ` Aveline Noir
2026-11-02 13:51       ` Christian König

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