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Mon, 11 Jan 2021 22:50:06 +0000 From: Song Liu To: KP Singh CC: Yonghong Song , bpf , Networking , open list , "mingo@redhat.com" , Peter Zijlstra , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , John Fastabend , Kernel Team , Hao Luo Subject: Re: [PATCH bpf-next 2/4] selftests/bpf: add non-BPF_LSM test for task local storage Thread-Topic: [PATCH bpf-next 2/4] selftests/bpf: add non-BPF_LSM test for task local storage Thread-Index: AQHW5hZK9xMR4omnHkq1KgYEe27pC6oistUAgAAD0gCAAFVhgA== Date: Mon, 11 Jan 2021 22:50:06 +0000 Message-ID: <9D7ECABD-4964-431E-AF33-AB34F3F35183@fb.com> References: <20210108231950.3844417-1-songliubraving@fb.com> <20210108231950.3844417-3-songliubraving@fb.com> <4eac4156-9c81-ff4d-46f5-d45d9d575a16@fb.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: Apple Mail (2.3654.40.0.2.32) authentication-results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=fb.com; 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charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BYAPR15MB2999.namprd15.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 40b56f84-2795-41ac-8b3b-08d8b6833d99 X-MS-Exchange-CrossTenant-originalarrivaltime: 11 Jan 2021 22:50:06.2329 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: Unzp7iFC9oyoq+la704ccDA/9KbcOBgUlmGGwJiWfzrSWaNsqQk4c9O44FGmqTKeZSqOBe41x9lzmg1xpFsv1Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR15MB4204 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343,18.0.737 definitions=2021-01-11_34:2021-01-11,2021-01-11 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 mlxlogscore=999 malwarescore=0 lowpriorityscore=0 bulkscore=0 suspectscore=0 adultscore=0 impostorscore=0 clxscore=1015 mlxscore=0 priorityscore=1501 spamscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101110128 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On Jan 11, 2021, at 9:44 AM, KP Singh wrote: >=20 > On Mon, Jan 11, 2021 at 6:31 PM Yonghong Song wrote: >>=20 >>=20 >>=20 >> On 1/8/21 3:19 PM, Song Liu wrote: >>> Task local storage is enabled for tracing programs. Add a test for it >>> without CONFIG_BPF_LSM. >=20 > Can you also explain what the test does in the commit log? >=20 > It would also be nicer to have a somewhat more realistic selftest which > represents a simple tracing + task local storage use case. Let me try to make this more realistic.=20 Thanks, Song [...]