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charset="us-ascii" Content-ID: <33F9ADF43B39AD49B26CBD6F6BED1CB1@namprd15.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 77674fad-3e85-4d7a-118d-08d74e670d7f X-MS-Exchange-CrossTenant-originalarrivaltime: 11 Oct 2019 16:21:21.3362 (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: yD18B+YdIgSkD+ravaHTxAkCPtWXe1ymIVbC68lJ352XXV51bMvHD4LNMj3GjMci X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR15MB3677 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,1.0.8 definitions=2019-10-11_09:2019-10-10,2019-10-11 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 suspectscore=0 adultscore=0 lowpriorityscore=0 mlxlogscore=906 spamscore=0 priorityscore=1501 mlxscore=0 bulkscore=0 impostorscore=0 phishscore=0 malwarescore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1908290000 definitions=main-1910110147 X-FB-Internal: deliver Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, Oct 10, 2019 at 08:13:18PM -0700, Andrii Nakryiko wrote: > Given lots of selftests won't work without recent enough Clang/LLVM that > fully supports BTF, there is no point in maintaining outdated BTF > support detection and fall-back to pahole logic. Just assume we have > everything we need. May be an error message to tell which llvm is needed? $(CPU) and $(PROBE) are no longer needed also?