From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3DC8E3D902D; Fri, 10 Jul 2026 22:12:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783721551; cv=none; b=t7bzq6Z9AJ52GP2wcD1kPaSnxIMfFbAOxaGQwFqyeqUIvM8Fi+dSv/ZVrW+nOJb0HpgSA8vEK9lMT3reGiaYdbNLv+9XDdXDqea/neclcDpwkgzLRFgQ8/BtxY5UZF9lUsQ3NdPAKsNEqTCoaksytJ4Yc3AT4sboDrwnDZOipio= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783721551; c=relaxed/simple; bh=JJ4HXiUJCHpZFHs4BNVGCID+UP5iIUdt7w70uMIV+yo=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=Mnjg/vJxFqYS+wp0u2i9VugbnY9vxJZuejB/e2nUlQ6x1+U5v+Wr3RgIRKHz2MR+4+uJKLVku2T8WNmV2dcpW6+AiUO9xV4xZRqXlSjTOU35jrM4rb9oaX39kjUkJxzc5tX0Tbyj0W3B+MHOS1MU4jGyoeDPWu3ccQBTHx6ixjo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=Tf7EXdr4; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="Tf7EXdr4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CA4BB1F00A3D; Fri, 10 Jul 2026 22:12:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1783721549; bh=xkCCHtME3GEINo3S7szVFYlvRYIJypWuhYUEdvTFvPA=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=Tf7EXdr4fTwcS6bniyj3Vljw2mjizC+AuVuuOhj6bjBU+VQ5B8ncb1aZAHQiXGsR3 UJExhUGBEyVaED8iH8HJqi0W+vr6Tz/+3qjlVDYwoFzxOnKf5zVzjI99nkFnZ3/AnG Xc4aywWAj0b21m2YpR5KgM/KdqEwzhHM2gkdlFUg= Date: Fri, 10 Jul 2026 15:12:28 -0700 From: Andrew Morton To: Stanislav Kinsburskii Cc: airlied@gmail.com, akhilesh@ee.iitb.ac.in, corbet@lwn.net, dakr@kernel.org, david@kernel.org, decui@microsoft.com, haiyangz@microsoft.com, jgg@ziepe.ca, kees@kernel.org, kys@microsoft.com, leon@kernel.org, liam@infradead.org, lizhi.hou@amd.com, ljs@kernel.org, longli@microsoft.com, lyude@redhat.com, maarten.lankhorst@linux.intel.com, mamin506@gmail.com, mhocko@suse.com, mripard@kernel.org, nouveau@lists.freedesktop.org, ogabbay@kernel.org, oleg@redhat.com, rppt@kernel.org, shuah@kernel.org, simona@ffwll.ch, skhan@linuxfoundation.org, surenb@google.com, tzimmermann@suse.de, vbabka@kernel.org, wei.liu@kernel.org, dri-devel@lists.freedesktop.org, linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-rdma@vger.kernel.org Subject: Re: [PATCH v8 7/8] accel/amdxdna: Use hmm_range_fault_unlocked_timeout() for range population Message-Id: <20260710151228.ca22e127b93ec5c6d591fb5f@linux-foundation.org> In-Reply-To: <178371883276.900500.12789147320642521200.stgit@skinsburskii> References: <178371866223.900500.12312667138651735591.stgit@skinsburskii> <178371883276.900500.12789147320642521200.stgit@skinsburskii> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Fri, 10 Jul 2026 14:27:12 -0700 Stanislav Kinsburskii 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)?