xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

x86, um: convert to saner kernel_execve() semantics

Browse Source 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2012-10-10 21:35:42 -04:00
parent a74fb73c12
commit 22e2430d60
10 changed files with 21 additions and 68 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
arch/um/kernel/exec.c
View File

@@ -47,8 +47,3 @@ void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp)
#endif
}
EXPORT_SYMBOL(start_thread);
void __noreturn ret_from_kernel_execve(struct pt_regs *unused)
{
UML_LONGJMP(current->thread.exec_buf, 1);
}

10
arch/um/kernel/process.c
View File

@@ -135,14 +135,10 @@ void new_thread_handler(void)
arg = current->thread.request.u.thread.arg;
/*
* The return value is 1 if the kernel thread execs a process,
* 0 if it just exits
* callback returns only if the kernel thread execs a process
*/
n = run_kernel_thread(fn, arg, &current->thread.exec_buf);
if (n == 1)
userspace(&current->thread.regs.regs);
else
do_exit(0);
n = fn(arg);
userspace(&current->thread.regs.regs);
}
/* Called magically, see new_thread_handler above */