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mcctrl: thread pool based system call offload handling

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This commit is contained in:
Balazs Gerofi
2016-08-08 19:43:05 +09:00
parent 5fbeee953a
commit fb84d4ef11
8 changed files with 395 additions and 222 deletions
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17
executer/kernel/mcctrl/ikc.c
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@@ -40,7 +40,7 @@
void mcexec_prepare_ack(ihk_os_t os, unsigned long arg, int err);
static void mcctrl_ikc_init(ihk_os_t os, int cpu, unsigned long rphys, struct ihk_ikc_channel_desc *c);
int mcexec_syscall(struct mcctrl_channel *c, int pid, unsigned long arg);
int mcexec_syscall(struct mcctrl_usrdata *ud, struct ikc_scd_packet *packet);
void sig_done(unsigned long arg, int err);
/* XXX: this runs in atomic context! */
@@ -64,7 +64,7 @@ static int syscall_packet_handler(struct ihk_ikc_channel_desc *c,
break;
case SCD_MSG_SYSCALL_ONESIDE:
mcexec_syscall(usrdata->channels + pisp->ref, pisp->pid, pisp->arg);
mcexec_syscall(usrdata, pisp);
break;
case SCD_MSG_PROCFS_ANSWER:
@@ -263,9 +263,6 @@ static int connect_handler(struct ihk_ikc_channel_info *param)
}
param->packet_handler = syscall_packet_handler;
INIT_LIST_HEAD(&usrdata->channels[cpu].wq_list);
spin_lock_init(&usrdata->channels[cpu].wq_list_lock);
usrdata->channels[cpu].c = c;
kprintf("syscall: MC CPU %d connected. c=%p\n", cpu, c);
@@ -284,9 +281,6 @@ static int connect_handler2(struct ihk_ikc_channel_info *param)
param->packet_handler = syscall_packet_handler;
INIT_LIST_HEAD(&usrdata->channels[cpu].wq_list);
spin_lock_init(&usrdata->channels[cpu].wq_list_lock);
usrdata->channels[cpu].c = c;
kprintf("syscall: MC CPU %d connected. c=%p\n", cpu, c);
@@ -313,7 +307,6 @@ int prepare_ikc_channels(ihk_os_t os)
{
struct ihk_cpu_info *info;
struct mcctrl_usrdata *usrdata;
int error;
usrdata = kzalloc(sizeof(struct mcctrl_usrdata), GFP_KERNEL);
usrdata->mcctrl_doorbell_va = (void *)__get_free_page(GFP_KERNEL);
@@ -351,11 +344,6 @@ int prepare_ikc_channels(ihk_os_t os)
INIT_LIST_HEAD(&usrdata->cpu_topology_list);
INIT_LIST_HEAD(&usrdata->node_topology_list);
error = init_peer_channel_registry(usrdata);
if (error) {
return error;
}
return 0;
}
@@ -394,7 +382,6 @@ void destroy_ikc_channels(ihk_os_t os)
}
free_page((unsigned long)usrdata->mcctrl_doorbell_va);
destroy_peer_channel_registry(usrdata);
kfree(usrdata->channels);
kfree(usrdata);
}