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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Feb 2023 14:58:50.7836 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9c8b8f0b-de60-4ecd-2a72-08db09e4fd34 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: AM7EUR03FT010.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR08MB5521 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,FORGED_SPF_HELO,KAM_DMARC_NONE,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,RCVD_IN_VALIDITY_RPBL,SPF_HELO_PASS,SPF_NONE,TXREP,UNPARSEABLE_RELAY autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: Hi Jun,=0A= =0A= > There are 7 zero bits at the end of freq (1050000000).=A0 So the time can= be extended to=0A= > 2048 second before losing resolution.=A0 Below is the updated patch for 1= 024 sec -=0A= >=0A= > -=A0=A0 (Diff) =3D ((End) - (Start)) * (UINT64_C(1000000000) / freq); \= =0A= > +=A0=A0 (Diff) =3D (((End) - (Start)) * UINT64_C(1000000000>>6)) / (freq>= >6); \=0A= =A0=0A= Minor codestyle: there should be a space before/after '>>'.=0A= =0A= Apart from that it looks good and works fine.=0A= =0A= Can you resend an updated patch with comment header etc in a new email with= =0A= subject like "[PATCH v2] AArch64: Fix HP_TIMING_DIFF computation" or simila= r?=0A= =0A= I guess this is your first patch and you don't have commit rights?=0A= =0A= Cheers,=0A= Wilco=