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mcctrl: release syscall packets to LWK -> Linux channels

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This commit is contained in:
Balazs Gerofi
2017-06-12 22:02:32 +09:00
parent c6e3185246
commit 4dfd806aa7
2 changed files with 31 additions and 13 deletions
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39
executer/kernel/mcctrl/control.c
View File

@ -949,8 +949,10 @@ void mcctrl_put_per_proc_data(struct mcctrl_per_proc_data *ppd)
__return_syscall(ppd->ud->os, packet, -ERESTARTSYS,
packet->req.rtid);
ihk_ikc_release_packet(
(struct ihk_ikc_free_packet *)packet,
(ppd->ud->channels + packet->ref)->c);
(struct ihk_ikc_free_packet *)packet,
(ppd->ud->ikc2linux[smp_processor_id()] ?
ppd->ud->ikc2linux[smp_processor_id()] :
ppd->ud->ikc2linux[0]));
}
}
@ -965,7 +967,9 @@ void mcctrl_put_per_proc_data(struct mcctrl_per_proc_data *ppd)
__return_syscall(ppd->ud->os, packet, -ERESTARTSYS,
packet->req.rtid);
ihk_ikc_release_packet((struct ihk_ikc_free_packet *)packet,
(ppd->ud->channels + packet->ref)->c);
(ppd->ud->ikc2linux[smp_processor_id()] ?
ppd->ud->ikc2linux[smp_processor_id()] :
ppd->ud->ikc2linux[0]));
}
ihk_ikc_spinlock_unlock(&ppd->wq_list_lock, flags);
@ -999,7 +1003,9 @@ int mcexec_syscall(struct mcctrl_usrdata *ud, struct ikc_scd_packet *packet)
__return_syscall(ud->os, packet, -ERESTARTSYS,
packet->req.rtid);
ihk_ikc_release_packet((struct ihk_ikc_free_packet *)packet,
(ud->channels + packet->ref)->c);
(ud->ikc2linux[smp_processor_id()] ?
ud->ikc2linux[smp_processor_id()] :
ud->ikc2linux[0]));
return -1;
}
@ -1167,7 +1173,9 @@ retry_alloc:
task_pid_vnr(current),
packet->req.number);
ihk_ikc_release_packet((struct ihk_ikc_free_packet *)packet,
(usrdata->channels + packet->ref)->c);
(usrdata->ikc2linux[smp_processor_id()] ?
usrdata->ikc2linux[smp_processor_id()] :
usrdata->ikc2linux[0]));
goto retry;
}
@ -1205,7 +1213,9 @@ retry_alloc:
}
ihk_ikc_release_packet((struct ihk_ikc_free_packet *)packet,
(usrdata->channels + packet->ref)->c);
(usrdata->ikc2linux[smp_processor_id()] ?
usrdata->ikc2linux[smp_processor_id()] :
usrdata->ikc2linux[0]));
if (mcctrl_delete_per_thread_data(ppd, current) < 0) {
kprintf("%s: error deleting per-thread data\n", __FUNCTION__);
@ -1310,6 +1320,7 @@ long mcexec_ret_syscall(ihk_os_t os, struct syscall_ret_desc *__user arg)
struct ikc_scd_packet *packet;
struct mcctrl_usrdata *usrdata = ihk_host_os_get_usrdata(os);
struct mcctrl_per_proc_data *ppd;
int error = 0;
if (copy_from_user(&ret, arg, sizeof(struct syscall_ret_desc))) {
return -EFAULT;
@ -1327,8 +1338,8 @@ long mcexec_ret_syscall(ihk_os_t os, struct syscall_ret_desc *__user arg)
if (!packet) {
kprintf("%s: ERROR: no packet registered for TID %d\n",
__FUNCTION__, task_pid_vnr(current));
mcctrl_put_per_proc_data(ppd);
return -EINVAL;
error = -EINVAL;
goto out;
}
mcctrl_delete_per_thread_data(ppd, current);
@ -1346,8 +1357,8 @@ long mcexec_ret_syscall(ihk_os_t os, struct syscall_ret_desc *__user arg)
ret.size, NULL, 0);
#endif
if (copy_from_user(rpm, (void *__user)ret.src, ret.size)) {
mcctrl_put_per_proc_data(ppd);
return -EFAULT;
error = -EFAULT;
goto out;
}
#ifdef CONFIG_MIC
@ -1360,12 +1371,16 @@ long mcexec_ret_syscall(ihk_os_t os, struct syscall_ret_desc *__user arg)
__return_syscall(os, packet, ret.ret, task_pid_vnr(current));
error = 0;
out:
/* Free packet */
ihk_ikc_release_packet((struct ihk_ikc_free_packet *)packet,
(usrdata->channels + packet->ref)->c);
(usrdata->ikc2linux[smp_processor_id()] ?
usrdata->ikc2linux[smp_processor_id()] :
usrdata->ikc2linux[0]));
mcctrl_put_per_proc_data(ppd);
return 0;
return error;
}
LIST_HEAD(mckernel_exec_files);

5
executer/kernel/mcctrl/ikc.c
View File

@ -133,7 +133,10 @@ static int syscall_packet_handler(struct ihk_ikc_channel_desc *c,
* mcexec_ret_syscall(), for the rest, free it here.
*/
if (msg != SCD_MSG_SYSCALL_ONESIDE) {
ihk_ikc_release_packet((struct ihk_ikc_free_packet *)__packet, c);
ihk_ikc_release_packet((struct ihk_ikc_free_packet *)__packet,
(usrdata->ikc2linux[smp_processor_id()] ?
usrdata->ikc2linux[smp_processor_id()] :
usrdata->ikc2linux[0]));
}
return 0;
}