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do_syscall: Delegate system calls to the mcexec with the same pid

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This includes the following fix:
send_syscall, do_syscall: remove argument pid

Fujitsu: POSTK_TEMP_FIX_26
Refs: #1165
Change-Id: I702362c07a28f507a5e43dd751949aefa24bc8c0
This commit is contained in:
Tomoki Shirasawa
2018-09-07 14:28:23 +09:00
committed by Masamichi Takagi
parent c23bc8d401
commit 7e342751a2
15 changed files with 445 additions and 170 deletions
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13
executer/kernel/mcctrl/control.c
View File

@ -1755,7 +1755,7 @@ mcexec_getcredv(int __user *virt)
return 0;
}
int mcexec_create_per_process_data(ihk_os_t os)
int mcexec_create_per_process_data(ihk_os_t os, struct rpgtable_desc *rpt)
{
struct mcctrl_usrdata *usrdata = ihk_host_os_get_usrdata(os);
struct mcctrl_per_proc_data *ppd = NULL;
@ -1812,6 +1812,11 @@ int mcexec_create_per_process_data(ihk_os_t os)
dprintk("%s: PID: %d, counter: %d\n",
__FUNCTION__, ppd->pid, atomic_read(&ppd->refcount));
if (rpt) {
ppd->rpgtable = rpt->rpgtable;
return mcctrl_clear_pte_range(rpt->start, rpt->len);
}
return 0;
}
@ -2638,7 +2643,8 @@ static long mcexec_release_user_space(struct release_user_space_desc *__user arg
}
#if 1
return clear_pte_range(desc.user_start, desc.user_end - desc.user_start);
return mcctrl_clear_pte_range(desc.user_start,
desc.user_end - desc.user_start);
#else
return release_user_space(desc.user_start, desc.user_end - desc.user_start);
#endif
@ -3157,7 +3163,8 @@ long __mcctrl_control(ihk_os_t os, unsigned int req, unsigned long arg,
return mcexec_get_cpu(os);
case MCEXEC_UP_CREATE_PPD:
return mcexec_create_per_process_data(os);
return mcexec_create_per_process_data(os,
(struct rpgtable_desc *)arg);
case MCEXEC_UP_GET_NODES:
return mcexec_get_nodes(os);

1
executer/kernel/mcctrl/mcctrl.h
View File

@ -486,6 +486,7 @@ inline struct mcctrl_per_thread_data *mcctrl_get_per_thread_data(struct mcctrl_p
#else /* POSTK_DEBUG_ARCH_DEP_56 */
inline struct mcctrl_per_thread_data *mcctrl_get_per_thread_data(struct mcctrl_per_proc_data *ppd, struct task_struct *task);
#endif /* POSTK_DEBUG_ARCH_DEP_56 */
int mcctrl_clear_pte_range(uintptr_t start, uintptr_t len);
void __return_syscall(ihk_os_t os, struct ikc_scd_packet *packet,
long ret, int stid);

22
executer/kernel/mcctrl/syscall.c
View File

@ -2109,7 +2109,7 @@ out:
return (IS_ERR_VALUE(map))? (int)map: 0;
}
int clear_pte_range(uintptr_t start, uintptr_t len)
int mcctrl_clear_pte_range(uintptr_t start, uintptr_t len)
{
struct mm_struct *mm = current->mm;
struct vm_area_struct *vma;
@ -2356,25 +2356,7 @@ int __do_in_kernel_syscall(ihk_os_t os, struct ikc_scd_packet *packet)
break;
case __NR_munmap:
/* Set new remote page table if not zero */
if (sc->args[2]) {
struct mcctrl_per_proc_data *ppd = NULL;
ppd = mcctrl_get_per_proc_data(usrdata, sc->args[3]);
if (unlikely(!ppd)) {
kprintf("%s: ERROR: no per-process structure for PID %d??\n",
__FUNCTION__, task_tgid_vnr(current));
return -1;
}
ppd->rpgtable = sc->args[2];
dprintk("%s: pid: %d, rpgtable: 0x%lx updated\n",
__FUNCTION__, ppd->pid, ppd->rpgtable);
mcctrl_put_per_proc_data(ppd);
}
ret = clear_pte_range(sc->args[0], sc->args[1]);
ret = mcctrl_clear_pte_range(sc->args[0], sc->args[1]);
break;
case __NR_mprotect: