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Ip=[63.35.35.123]; Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR0801MB2079 Subject: Re: [dpdk-stable] [PATCH v3 08/12] service: remove redundant code X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" > > > > The service id validation is verified in the calling function, remove > > the redundant code inside the service_update function. > > > > Fixes: 21698354c832 ("service: introduce service cores concept") > > Cc: Stable@dpdk.org > > > > Signed-off-by: Phil Yang > > Reviewed-by: Honnappa Nagarahalli >=20 >=20 > Same comment as patch 7/12, is this really a "Fix"? This functionality is= not > "broken" in the current code? And is there value in porting to stable? I= 'd see > this as unnecessary churn. >=20 > As before, it is a valid cleanup (thanks), and I'd like to take it for ne= w DPDK > releases. >=20 > Happy to Ack without Fixes or Cc Stable, if that's acceptable to you? Agreed. >=20 >=20 >=20 > > --- > > lib/librte_eal/common/rte_service.c | 31 > > ++++++++++++------------------- > > 1 file changed, 12 insertions(+), 19 deletions(-) > > > > diff --git a/lib/librte_eal/common/rte_service.c > > b/lib/librte_eal/common/rte_service.c > > index 2117726..557b5a9 100644 > > --- a/lib/librte_eal/common/rte_service.c > > +++ b/lib/librte_eal/common/rte_service.c > > @@ -552,21 +552,10 @@ rte_service_start_with_defaults(void) > > } > > > > static int32_t > > -service_update(struct rte_service_spec *service, uint32_t lcore, > > +service_update(uint32_t sid, uint32_t lcore, > > uint32_t *set, uint32_t *enabled) 'set' parameter does not need be passed by reference, pass by value is enou= gh. > > { > > - uint32_t i; > > - int32_t sid =3D -1; > > - > > - for (i =3D 0; i < RTE_SERVICE_NUM_MAX; i++) { > > - if ((struct rte_service_spec *)&rte_services[i] =3D=3D service && > > - service_valid(i)) { > > - sid =3D i; > > - break; > > - } > > - } > > - > > - if (sid =3D=3D -1 || lcore >=3D RTE_MAX_LCORE) > > + if (lcore >=3D RTE_MAX_LCORE) > > return -EINVAL; The validations look somewhat inconsistent in service_update function, we a= re validating some parameters and not some. Suggest bringing the validation of the service id also into this function a= nd remove it from the calling functions. > > > > if (!lcore_states[lcore].is_service_core) > > @@ -598,19 +587,23 @@ service_update(struct rte_service_spec *service, > > uint32_t lcore, int32_t rte_service_map_lcore_set(uint32_t id, > > uint32_t lcore, uint32_t enabled) { > > - struct rte_service_spec_impl *s; > > - SERVICE_VALID_GET_OR_ERR_RET(id, s, -EINVAL); > > + /* validate ID, or return error value */ > > + if (id >=3D RTE_SERVICE_NUM_MAX || !service_valid(id)) > > + return -EINVAL; > > + > > uint32_t on =3D enabled > 0; We do not need the above line. 'enabled' can be passed directly to 'service= _update'. > > - return service_update(&s->spec, lcore, &on, 0); > > + return service_update(id, lcore, &on, 0); > > } > > > > int32_t > > rte_service_map_lcore_get(uint32_t id, uint32_t lcore) { > > - struct rte_service_spec_impl *s; > > - SERVICE_VALID_GET_OR_ERR_RET(id, s, -EINVAL); > > + /* validate ID, or return error value */ > > + if (id >=3D RTE_SERVICE_NUM_MAX || !service_valid(id)) > > + return -EINVAL; > > + > > uint32_t enabled; > > - int ret =3D service_update(&s->spec, lcore, 0, &enabled); > > + int ret =3D service_update(id, lcore, 0, &enabled); > > if (ret =3D=3D 0) > > return enabled; > > return ret; > > -- > > 2.7.4