From: Davidlohr Bueso <dave@stgolabs.net>
To: "Thomas Hellstr�m" <thomas.hellstrom@linux.intel.com>
Cc: intel-xe@lists.freedesktop.org,
Alistair Popple <apopple@nvidia.com>,
Ralph Campbell <rcampbell@nvidia.com>,
Christoph Hellwig <hch@lst.de>,
Jason Gunthorpe <jgg@mellanox.com>,
Jason Gunthorpe <jgg@ziepe.ca>, Leon Romanovsky <leon@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Matthew Brost <matthew.brost@intel.com>,
John Hubbard <jhubbard@nvidia.com>,
linux-mm@kvack.org, dri-devel@lists.freedesktop.org,
stable@vger.kernel.org
Subject: Re: [PATCH v5] mm: Fix a hmm_range_fault() livelock / starvation problem
Date: Wed, 11 Feb 2026 14:23:03 -0800 [thread overview]
Message-ID: <20260211222303.42qfp6rqxxnpfkr4@offworld> (raw)
In-Reply-To: <20260210115653.92413-1-thomas.hellstrom@linux.intel.com>
On Tue, 10 Feb 2026, Thomas Hellstr�m wrote:
>@@ -176,7 +176,7 @@ static int migrate_vma_collect_huge_pmd(pmd_t *pmdp, unsigned long start,
> }
>
> if (softleaf_is_migration(entry)) {
>- migration_entry_wait_on_locked(entry, ptl);
>+ softleaf_entry_wait_on_locked(entry, ptl);
> spin_unlock(ptl);
softleaf_entry_wait_on_locked() unconditionally drops the ptl.
> return -EAGAIN;
> }
next prev parent reply other threads:[~2026-02-11 22:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-10 11:56 Thomas Hellström
2026-02-10 22:40 ` Alistair Popple
2026-02-11 22:23 ` Davidlohr Bueso [this message]
2026-02-11 22:54 ` Alistair Popple
2026-02-11 23:22 ` Matthew Brost
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