Re: [PATCH v8 7/8] accel/amdxdna: Use hmm_range_fault_unlocked_timeout() for range population

Andrew Morton <[email protected]> Fri, 10 Jul 2026 15:12:28 -0700
Newsgroups org.kernel.vger.linux-hyperv,org.freedesktop.lists.dri-devel,org.freedesktop.lists.nouveau,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel,org.kernel.vger.linux-kselftest,org.kernel.vger.linux-rdma,org.kvack.linux-mm
Message-ID <[email protected]>
On Fri, 10 Jul 2026 14:27:12 -0700 Stanislav Kinsburskii <[email protected]> wrote:

> --- a/drivers/accel/amdxdna/aie2_ctx.c
> +++ b/drivers/accel/amdxdna/aie2_ctx.c
> @@ -1061,22 +1061,11 @@ static int aie2_populate_range(struct amdxdna_gem_obj *abo)
>  		return -EFAULT;
>  	}
>  
> -	mapp->range.notifier_seq = mmu_interval_read_begin(&mapp->notifier);
> -	mmap_read_lock(mm);
> -	ret = hmm_range_fault(&mapp->range);
> -	mmap_read_unlock(mm);
> +	ret = hmm_range_fault_unlocked_timeout(&mapp->range,
> +			max_t(long, timeout - jiffies, 1));

max(timeout - jiffies, 1UL)?