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clean up per process structure in exit_group() and fix wait4() on self bug

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bgerofi@riken.jp
2014-05-19 11:23:55 +09:00
committed by Balazs Gerofi bgerofi@riken.jp
parent 3e830521c1
commit 81a78be20a
3 changed files with 53 additions and 1 deletions
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8
kernel/syscall.c
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@@ -107,6 +107,7 @@ static void send_syscall(struct syscall_request *req, int cpu, int pid)
struct syscall_response *res;
struct syscall_params *scp;
struct ihk_ikc_channel_desc *syscall_channel;
int ret;
if(req->number == __NR_exit_group ||
req->number == __NR_kill){ // interrupt syscall
@@ -149,7 +150,11 @@ static void send_syscall(struct syscall_request *req, int cpu, int pid)
packet.pid = pid ? pid : cpu_local_var(current)->pid;
packet.arg = scp->request_rpa;
dkprintf("send syscall, nr: %d, pid: %d\n", req->number, packet.pid);
ihk_ikc_send(syscall_channel, &packet, 0);
ret = ihk_ikc_send(syscall_channel, &packet, 0);
if (ret < 0) {
kprintf("ERROR: sending IKC msg, ret: %d\n", ret);
}
#endif
}
@@ -1179,6 +1184,7 @@ SYSCALL_DECLARE(clone)
new->vm->region.user_start;
/* 3rd parameter denotes new rpgtable of host process */
request1.args[2] = virt_to_phys(new->vm->page_table);
request1.args[3] = new->pid;
dkprintf("fork(): requesting PTE clear and rpgtable (0x%lx) update\n",
request1.args[2]);