From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 3806315C82 for ; Mon, 5 Dec 2022 19:12:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 974E3C433D6; Mon, 5 Dec 2022 19:12:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1670267558; bh=VBWcDElp79mO0+Dqs1VKRHiIdgeSjsLTokqQ3J1XEyM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bcng74PrFIukE0Z4EMV7mQdeocsIuHumuk9uLR9GZJ0ZtJD0U61a28akmekIF7snn qjIBfOP2nZpGT/nVUUgAAi1ErSlr7YyA8VjTIiGTjBaSwUVC6cnoPHZv/GrMWDWz9Z T3mM4uIX+mW1C/G3CLvTJKYzvl1ScF5ikZHHLCLo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, =?UTF-8?q?Christian=20K=C3=B6nig?= , Alex Deucher , Felix Kuehling Subject: [PATCH 4.9 30/62] drm/amdgpu: always register an MMU notifier for userptr Date: Mon, 5 Dec 2022 20:09:27 +0100 Message-Id: <20221205190759.236188058@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221205190758.073114639@linuxfoundation.org> References: <20221205190758.073114639@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Christian König commit b39df63b16b64a3af42695acb9bc567aad144776 upstream. Since switching to HMM we always need that because we no longer grab references to the pages. Signed-off-by: Christian König Reviewed-by: Alex Deucher Acked-by: Felix Kuehling CC: stable@vger.kernel.org Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -278,11 +278,9 @@ int amdgpu_gem_userptr_ioctl(struct drm_ if (r) goto release_object; - if (args->flags & AMDGPU_GEM_USERPTR_REGISTER) { - r = amdgpu_mn_register(bo, args->addr); - if (r) - goto release_object; - } + r = amdgpu_mn_register(bo, args->addr); + if (r) + goto release_object; if (args->flags & AMDGPU_GEM_USERPTR_VALIDATE) { down_read(¤t->mm->mmap_sem);