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Date: Wed, 20 Sep 2023 16:11:37 +0800
From: Wen Gu <guwen@...ux.alibaba.com>
To: kernel test robot <lkp@...el.com>, kgraul@...ux.ibm.com,
wenjia@...ux.ibm.com, jaka@...ux.ibm.com, davem@...emloft.net,
edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com
Cc: oe-kbuild-all@...ts.linux.dev, alibuda@...ux.alibaba.com,
tonylu@...ux.alibaba.com, linux-s390@...r.kernel.org,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 06/18] net/smc: extend GID to 128bits for virtual
ISM device
On 2023/9/20 15:02, kernel test robot wrote:
> Hi Wen,
>
> kernel test robot noticed the following build errors:
>
> [auto build test ERROR on net-next/main]
>
> url: https://github.com/intel-lab-lkp/linux/commits/Wen-Gu/net-smc-decouple-ism_dev-from-SMC-D-device-dump/20230920-010019
> base: net-next/main
> patch link: https://lore.kernel.org/r/1695134522-126655-7-git-send-email-guwen%40linux.alibaba.com
> patch subject: [PATCH net-next 06/18] net/smc: extend GID to 128bits for virtual ISM device
> config: s390-defconfig (https://download.01.org/0day-ci/archive/20230920/202309201408.95QRxHEl-lkp@intel.com/config)
> compiler: s390-linux-gcc (GCC) 13.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230920/202309201408.95QRxHEl-lkp@intel.com/reproduce)
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@...el.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202309201408.95QRxHEl-lkp@intel.com/
>
> All errors (new ones prefixed by >>):
>
> net/smc/smc_ism.c: In function 'smc_ism_signal_shutdown':
>>> net/smc/smc_ism.c:539:57: error: incompatible type for argument 2 of 'lgr-><U72f8>.<U7260>.smcd->ops->signal_event'
> 539 | rc = lgr->smcd->ops->signal_event(lgr->smcd, lgr->peer_gid,
> | ~~~^~~~~~~~~~
> | |
> | struct smcd_gid
> net/smc/smc_ism.c:539:57: note: expected 'u64' {aka 'long long unsigned int'} but argument is of type 'struct smcd_gid'
>
>
> vim +539 net/smc/smc_ism.c
>
> 820f21009f1bc7a Stefan Raspl 2023-01-23 526
> 820f21009f1bc7a Stefan Raspl 2023-01-23 527 int smc_ism_signal_shutdown(struct smc_link_group *lgr)
> 820f21009f1bc7a Stefan Raspl 2023-01-23 528 {
> 820f21009f1bc7a Stefan Raspl 2023-01-23 529 int rc = 0;
> 820f21009f1bc7a Stefan Raspl 2023-01-23 530 #if IS_ENABLED(CONFIG_ISM)
> 820f21009f1bc7a Stefan Raspl 2023-01-23 531 union smcd_sw_event_info ev_info;
> 820f21009f1bc7a Stefan Raspl 2023-01-23 532
> 820f21009f1bc7a Stefan Raspl 2023-01-23 533 if (lgr->peer_shutdown)
> 820f21009f1bc7a Stefan Raspl 2023-01-23 534 return 0;
> 820f21009f1bc7a Stefan Raspl 2023-01-23 535
> 820f21009f1bc7a Stefan Raspl 2023-01-23 536 memcpy(ev_info.uid, lgr->id, SMC_LGR_ID_SIZE);
> 820f21009f1bc7a Stefan Raspl 2023-01-23 537 ev_info.vlan_id = lgr->vlan_id;
> 820f21009f1bc7a Stefan Raspl 2023-01-23 538 ev_info.code = ISM_EVENT_REQUEST;
> 820f21009f1bc7a Stefan Raspl 2023-01-23 @539 rc = lgr->smcd->ops->signal_event(lgr->smcd, lgr->peer_gid,
> 820f21009f1bc7a Stefan Raspl 2023-01-23 540 ISM_EVENT_REQUEST_IR,
> 820f21009f1bc7a Stefan Raspl 2023-01-23 541 ISM_EVENT_CODE_SHUTDOWN,
> 820f21009f1bc7a Stefan Raspl 2023-01-23 542 ev_info.info);
> 820f21009f1bc7a Stefan Raspl 2023-01-23 543 #endif
> 820f21009f1bc7a Stefan Raspl 2023-01-23 544 return rc;
> 820f21009f1bc7a Stefan Raspl 2023-01-23 545 }
> 201091ebb2a161a Ursula Braun 2020-09-26 546
>
I do not have a local compilation environment for s390 (IBM Z) architecture. But I think
it can be fixed by the following patch.
After this v1 exceeds 24 hours, I will send a v2 with this fix. Thanks.
Fix:
diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c
index 1b714f6..7801a6a 100644
--- a/drivers/s390/net/ism_drv.c
+++ b/drivers/s390/net/ism_drv.c
@@ -811,10 +811,10 @@ static int smcd_reset_vlan_required(struct smcd_dev *smcd)
return ism_cmd_simple(smcd->priv, ISM_RESET_VLAN);
}
-static int smcd_signal_ieq(struct smcd_dev *smcd, u64 rgid, u32 trigger_irq,
- u32 event_code, u64 info)
+static int smcd_signal_ieq(struct smcd_dev *smcd, struct smcd_gid *rgid,
+ u32 trigger_irq, u32 event_code, u64 info)
{
- return ism_signal_ieq(smcd->priv, rgid, trigger_irq, event_code, info);
+ return ism_signal_ieq(smcd->priv, rgid->gid, trigger_irq, event_code, info);
}
static int smcd_move(struct smcd_dev *smcd, u64 dmb_tok, unsigned int idx,
diff --git a/include/net/smc.h b/include/net/smc.h
index 04dbaa4..39a21ed 100644
--- a/include/net/smc.h
+++ b/include/net/smc.h
@@ -78,8 +78,8 @@ struct smcd_ops {
int (*del_vlan_id)(struct smcd_dev *dev, u64 vlan_id);
int (*set_vlan_required)(struct smcd_dev *dev);
int (*reset_vlan_required)(struct smcd_dev *dev);
- int (*signal_event)(struct smcd_dev *dev, u64 rgid, u32 trigger_irq,
- u32 event_code, u64 info);
+ int (*signal_event)(struct smcd_dev *dev, struct smcd_gid *rgid,
+ u32 trigger_irq, u32 event_code, u64 info);
int (*move_data)(struct smcd_dev *dev, u64 dmb_tok, unsigned int idx,
bool sf, unsigned int offset, void *data,
unsigned int size);
diff --git a/net/smc/smc_ism.c b/net/smc/smc_ism.c
index 0c20745..3d9588e 100644
--- a/net/smc/smc_ism.c
+++ b/net/smc/smc_ism.c
@@ -404,10 +404,11 @@ static void smcd_handle_sw_event(struct smc_ism_event_work *wrk)
smc_smcd_terminate(wrk->smcd, &peer_gid, ev_info.vlan_id);
break;
case ISM_EVENT_CODE_TESTLINK: /* Activity timer */
+ peer_gid.gid = wrk->event.tok;
if (ev_info.code == ISM_EVENT_REQUEST) {
ev_info.code = ISM_EVENT_RESPONSE;
wrk->smcd->ops->signal_event(wrk->smcd,
- wrk->event.tok,
+ &peer_gid,
ISM_EVENT_REQUEST_IR,
ISM_EVENT_CODE_TESTLINK,
ev_info.info);
@@ -575,7 +576,7 @@ int smc_ism_signal_shutdown(struct smc_link_group *lgr)
memcpy(ev_info.uid, lgr->id, SMC_LGR_ID_SIZE);
ev_info.vlan_id = lgr->vlan_id;
ev_info.code = ISM_EVENT_REQUEST;
- rc = lgr->smcd->ops->signal_event(lgr->smcd, lgr->peer_gid,
+ rc = lgr->smcd->ops->signal_event(lgr->smcd, &lgr->peer_gid,
ISM_EVENT_REQUEST_IR,
ISM_EVENT_CODE_SHUTDOWN,
ev_info.info);
diff --git a/net/smc/smc_loopback.c b/net/smc/smc_loopback.c
index 611998b..8b249a5 100644
--- a/net/smc/smc_loopback.c
+++ b/net/smc/smc_loopback.c
@@ -253,8 +253,8 @@ static int smc_lo_reset_vlan_required(struct smcd_dev *smcd)
return -EOPNOTSUPP;
}
-static int smc_lo_signal_event(struct smcd_dev *dev, u64 rgid, u32 trigger_irq,
- u32 event_code, u64 info)
+static int smc_lo_signal_event(struct smcd_dev *dev, struct smcd_gid *rgid,
+ u32 trigger_irq, u32 event_code, u64 info)
{
return 0;
}
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