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received-spf: None (protection.outlook.com: mellanox.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: GzXw+jX8Sx1aAi09E2eEuonXOuP61WUXLVkx9Jgx0AtCuh97NZbfV7O3TNVnP7uW4dV+yytKatyaKnRtCFOmWVLpisfZ1pGoyK7SiVFtMExCMz+pMteaop3u5GzZoDIzrx9uWNkVncQh7/A5rYV9Ba+fhWKF3vUiBltrRGRrI5dLDFvLERfjMxxyQYk3e+0ApwSj64yivZbPzeKLo+wMZ+L/p8io7Vq9flypFLaRUEjkrsu9ZBB6j+dr5YW4tmyRouPZIfSXHESssP7wGrzBtdSvAxiDwY+3fuT/OYeZbmmGRPHD7iCZJJvwLNGkZk9k0Woog/NSIlN+Im0F/55WHVXrEBUXHkiX5SGnU+b++Qo= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: a6cdc9fe-c206-4af4-0dfd-08d65aaccf0c X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Dec 2018 12:25:57.3021 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR05MB5652 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >=20 > Huh. So apparently every compiler that tested this patch (0-day, mine, > the submitters) optimized this call away because is_atomic_response() > always returns 0: meaning mlx5_get_atomic_laddr is never callable and > can be deleted entirely, including the call to mlx5_get_send_wqe. >=20 > Not sure what compiler setup will hit this, but it is clearly wrong > code.. Flag -o0 ? >=20 > Guy/Leon, please send a fixup.. Maybe just delete all this > handle_atomics stuff? >=20 > Thanks, > Jason