summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--arch/um/kernel/process_kern.c4
-rw-r--r--arch/um/kernel/skas/process_kern.c14
-rw-r--r--arch/um/kernel/syscall_kern.c19
-rw-r--r--arch/um/kernel/tt/process_kern.c17
-rw-r--r--arch/um/sys-i386/syscalls.c23
-rw-r--r--arch/um/sys-x86_64/syscalls.c23
6 files changed, 19 insertions, 81 deletions
diff --git a/arch/um/kernel/process_kern.c b/arch/um/kernel/process_kern.c
index 157584ae479..0c57bc6e374 100644
--- a/arch/um/kernel/process_kern.c
+++ b/arch/um/kernel/process_kern.c
@@ -96,8 +96,8 @@ int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
current->thread.request.u.thread.proc = fn;
current->thread.request.u.thread.arg = arg;
- pid = do_fork(CLONE_VM | CLONE_UNTRACED | flags, 0, NULL, 0, NULL,
- NULL);
+ pid = do_fork(CLONE_VM | CLONE_UNTRACED | flags, 0,
+ &current->thread.regs, 0, NULL, NULL);
if(pid < 0)
panic("do_fork failed in kernel_thread, errno = %d", pid);
return(pid);
diff --git a/arch/um/kernel/skas/process_kern.c b/arch/um/kernel/skas/process_kern.c
index fc71ef29578..8f0607f54b7 100644
--- a/arch/um/kernel/skas/process_kern.c
+++ b/arch/um/kernel/skas/process_kern.c
@@ -111,8 +111,7 @@ int copy_thread_skas(int nr, unsigned long clone_flags, unsigned long sp,
void (*handler)(int);
if(current->thread.forking){
- memcpy(&p->thread.regs.regs.skas,
- &current->thread.regs.regs.skas,
+ memcpy(&p->thread.regs.regs.skas, &regs->regs.skas,
sizeof(p->thread.regs.regs.skas));
REGS_SET_SYSCALL_RETURN(p->thread.regs.regs.skas.regs, 0);
if(sp != 0) REGS_SP(p->thread.regs.regs.skas.regs) = sp;
@@ -201,14 +200,3 @@ int thread_pid_skas(struct task_struct *task)
#warning Need to look up userspace_pid by cpu
return(userspace_pid[0]);
}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/kernel/syscall_kern.c b/arch/um/kernel/syscall_kern.c
index b7a55251e89..8e1a3501ff4 100644
--- a/arch/um/kernel/syscall_kern.c
+++ b/arch/um/kernel/syscall_kern.c
@@ -31,7 +31,8 @@ long sys_fork(void)
long ret;
current->thread.forking = 1;
- ret = do_fork(SIGCHLD, 0, NULL, 0, NULL, NULL);
+ ret = do_fork(SIGCHLD, UPT_SP(&current->thread.regs.regs),
+ &current->thread.regs, 0, NULL, NULL);
current->thread.forking = 0;
return(ret);
}
@@ -41,8 +42,9 @@ long sys_vfork(void)
long ret;
current->thread.forking = 1;
- ret = do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, 0, NULL, 0, NULL,
- NULL);
+ ret = do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD,
+ UPT_SP(&current->thread.regs.regs),
+ &current->thread.regs, 0, NULL, NULL);
current->thread.forking = 0;
return(ret);
}
@@ -162,14 +164,3 @@ int next_syscall_index(int limit)
spin_unlock(&syscall_lock);
return(ret);
}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/kernel/tt/process_kern.c b/arch/um/kernel/tt/process_kern.c
index 776310fd5b8..a189a2b9293 100644
--- a/arch/um/kernel/tt/process_kern.c
+++ b/arch/um/kernel/tt/process_kern.c
@@ -266,10 +266,10 @@ int copy_thread_tt(int nr, unsigned long clone_flags, unsigned long sp,
}
if(current->thread.forking){
- sc_to_sc(UPT_SC(&p->thread.regs.regs),
- UPT_SC(&current->thread.regs.regs));
+ sc_to_sc(UPT_SC(&p->thread.regs.regs), UPT_SC(&regs->regs));
SC_SET_SYSCALL_RETURN(UPT_SC(&p->thread.regs.regs), 0);
- if(sp != 0) SC_SP(UPT_SC(&p->thread.regs.regs)) = sp;
+ if(sp != 0)
+ SC_SP(UPT_SC(&p->thread.regs.regs)) = sp;
}
p->thread.mode.tt.extern_pid = new_pid;
@@ -459,14 +459,3 @@ int is_valid_pid(int pid)
read_unlock(&tasklist_lock);
return(0);
}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/sys-i386/syscalls.c b/arch/um/sys-i386/syscalls.c
index 335e2d89504..83e9be820a8 100644
--- a/arch/um/sys-i386/syscalls.c
+++ b/arch/um/sys-i386/syscalls.c
@@ -69,15 +69,11 @@ long sys_clone(unsigned long clone_flags, unsigned long newsp,
{
long ret;
- /* XXX: normal arch do here this pass, and also pass the regs to
- * do_fork, instead of NULL. Currently the arch-independent code
- * ignores these values, while the UML code (actually it's
- * copy_thread) does the right thing. But this should change,
- probably. */
- /*if (!newsp)
- newsp = UPT_SP(current->thread.regs);*/
+ if (!newsp)
+ newsp = UPT_SP(&current->thread.regs.regs);
current->thread.forking = 1;
- ret = do_fork(clone_flags, newsp, NULL, 0, parent_tid, child_tid);
+ ret = do_fork(clone_flags, newsp, &current->thread.regs, 0, parent_tid,
+ child_tid);
current->thread.forking = 0;
return(ret);
}
@@ -197,14 +193,3 @@ long sys_sigaction(int sig, const struct old_sigaction __user *act,
return ret;
}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/sys-x86_64/syscalls.c b/arch/um/sys-x86_64/syscalls.c
index 6f44f40204e..3259a4db453 100644
--- a/arch/um/sys-x86_64/syscalls.c
+++ b/arch/um/sys-x86_64/syscalls.c
@@ -174,26 +174,11 @@ long sys_clone(unsigned long clone_flags, unsigned long newsp,
{
long ret;
- /* XXX: normal arch do here this pass, and also pass the regs to
- * do_fork, instead of NULL. Currently the arch-independent code
- * ignores these values, while the UML code (actually it's
- * copy_thread) does the right thing. But this should change,
- probably. */
- /*if (!newsp)
- newsp = UPT_SP(current->thread.regs);*/
+ if (!newsp)
+ newsp = UPT_SP(&current->thread.regs.regs);
current->thread.forking = 1;
- ret = do_fork(clone_flags, newsp, NULL, 0, parent_tid, child_tid);
+ ret = do_fork(clone_flags, newsp, &current->thread.regs, 0, parent_tid,
+ child_tid);
current->thread.forking = 0;
return(ret);
}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-18 18:46:40 +0000