[to-be-updated] accel-amdxdna-use-hmm_range_fault_unlocked_timeout-for-range-population-fix.patch removed from -mm tree

[Andrew Morton <akpm@linux-foundation.org>]

The quilt patch titled
     Subject: accel-amdxdna-use-hmm_range_fault_unlocked_timeout-for-range-population-fix
has been removed from the -mm tree.  Its filename was
     accel-amdxdna-use-hmm_range_fault_unlocked_timeout-for-range-population-fix.patch

This patch was dropped because an updated version will be issued

------------------------------------------------------
From: Stanislav Kinsburskii <skinsburskii@gmail.com>
Subject: accel-amdxdna-use-hmm_range_fault_unlocked_timeout-for-range-population-fix
Date: Tue, 14 Jul 2026 15:21:42 -0700

aie2_populate_range() now uses hmm_range_fault_unlocked_timeout() to let
HMM own mmap_lock acquisition and retry handling while populating an
invalid user mapping.  The timeout passed to that helper is a relative HMM
retry budget, not an absolute deadline.

Pass HMM_RANGE_DEFAULT_TIMEOUT directly to the HMM helper instead of
computing the remaining time from a local absolute deadline.  The broader
command submission path still keeps its existing timeout around repeated
range population attempts, while each HMM fault attempt receives a fresh
retry budget for HMM's internal mmu-notifier retries.

Keep the existing driver-visible timeout errno by translating -EBUSY from
hmm_range_fault_unlocked_timeout() to -ETIME on return.

Link: https://lore.kernel.org/178406770278.1106335.17232929459598625570.stgit@skinsburskii
Signed-off-by: Stanislav Kinsburskii <skinsburskii@gmail.com>
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Dave Airlie <airlied@gmail.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Dexuan Cui <decui@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Kees Cook <kees@kernel.org>
Cc: K. Y. Srinivasan <kys@microsoft.com>
Cc: Leon Romanovsky <leon@kernel.org>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lizhi Hou <lizhi.hou@amd.com>
Cc: Long Li <longli@microsoft.com>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Lyude <lyude@redhat.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Oded Gabbay <ogabbay@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Thomas Zimemrmann <tzimmermann@suse.de>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Wei Liu <wei.liu@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/accel/amdxdna/aie2_ctx.c |   12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

--- a/drivers/accel/amdxdna/aie2_ctx.c~accel-amdxdna-use-hmm_range_fault_unlocked_timeout-for-range-population-fix
+++ a/drivers/accel/amdxdna/aie2_ctx.c
@@ -1034,7 +1034,7 @@ static int aie2_populate_range(struct am
 	bool found;
 	int ret;
 
-	timeout = jiffies + msecs_to_jiffies(HMM_RANGE_DEFAULT_TIMEOUT);
+	timeout = msecs_to_jiffies(HMM_RANGE_DEFAULT_TIMEOUT);
 again:
 	found = false;
 	down_write(&xdna->notifier_lock);
@@ -1061,13 +1061,9 @@ again:
 		return -EFAULT;
 	}
 
-	ret = hmm_range_fault_unlocked_timeout(&mapp->range,
-			max_t(long, timeout - jiffies, 1));
-	if (ret) {
-		if (ret == -EBUSY)
-			ret = -ETIME;
+	ret = hmm_range_fault_unlocked_timeout(&mapp->range, timeout);
+	if (ret)
 		goto put_mm;
-	}
 
 	down_write(&xdna->notifier_lock);
 	if (mmu_interval_read_retry(&mapp->notifier, mapp->range.notifier_seq)) {
@@ -1085,7 +1081,7 @@ again:
 put_mm:
 	amdxdna_umap_put(mapp);
 	mmput(mm);
-	return ret;
+	return ret == -EBUSY ? -ETIME : ret;
 }
 
 int aie2_cmd_submit(struct amdxdna_hwctx *hwctx, struct amdxdna_sched_job *job, u64 *seq)
_

Patches currently in -mm which might be from skinsburskii@gmail.com are

lib-test_hmm-use-device-devt-for-coherent-device-range-selection.patch
drm-gpusvm-use-hmm_range_fault_unlocked_timeout-for-range-faults.patch
drm-gpusvm-use-hmm_range_fault_unlocked_timeout-for-range-faults-fix.patch