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charset="us-ascii" Content-ID: <576F596F8286664EB3CF09A0BF1D489A@namprd15.prod.outlook.com> 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: 3230f29a-95b4-49e0-c4fd-08d8f2cc70bc X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Mar 2021 16:05:14.9795 (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: HF2Cj07cCVQFXJg+GCB1qBe8UoKo5eSGreBRghU8BdZ3DjEeWIpoJ3hHkMPBhoRg2/GL6440xEG1+SK5JdWgbg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR15MB4743 X-OriginatorOrg: fb.com X-Proofpoint-ORIG-GUID: qk-o3RRfPt-4mQzZih6-nCcyqkvBjyBf X-Proofpoint-GUID: qk-o3RRfPt-4mQzZih6-nCcyqkvBjyBf X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369,18.0.761 definitions=2021-03-29_10:2021-03-26,2021-03-29 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 impostorscore=0 spamscore=0 priorityscore=1501 suspectscore=0 adultscore=0 clxscore=1011 phishscore=0 bulkscore=0 malwarescore=0 mlxscore=0 mlxlogscore=762 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2103250000 definitions=main-2103290117 X-FB-Internal: deliver Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org > On Mar 28, 2021, at 9:10 AM, Pedro Tammela wrote: >=20 > The current way to provide a no-op flag to 'bpf_ringbuf_submit()', > 'bpf_ringbuf_discard()' and 'bpf_ringbuf_output()' is to provide a '0' > value. >=20 > A '0' value might notify the consumer if it already caught up in processi= ng, > so let's provide a more descriptive notation for this value. >=20 > Signed-off-by: Pedro Tammela Acked-by: Song Liu