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| author |   Al Viro <viro@zeniv.linux.org.uk> | 2012-09-20 09:28:25 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-09-20 10:49:09 -0400 |
| commit | a4d94ff8aa864c05b33c2de1f8c5d0176d7a4b63 (patch) | |
| tree | 5edabf2ba151a15240d663fcde44a15d98c9572d /arch/x86/um/syscalls_64.c | |
| parent | um: let signal_delivered() do SIGTRAP on singlestepping into handler (diff) | |
| download | linux-dev-a4d94ff8aa864c05b33c2de1f8c5d0176d7a4b63.tar.xz linux-dev-a4d94ff8aa864c05b33c2de1f8c5d0176d7a4b63.zip | |
um: kill thread->forking
we only use that to tell copy_thread() done by syscall from that
done by kernel_thread(). However, it's easier to do simply by
checking PF_KTHREAD in thread flags.
Merge sys_clone() guts for 32bit and 64bit, while we are at it...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to '')
| -rw-r--r-- | arch/x86/um/syscalls_64.c | 23 |
1 files changed, 3 insertions, 20 deletions
diff --git a/arch/x86/um/syscalls_64.c b/arch/x86/um/syscalls_64.c index f3d82bb6e15a..adb08eb5c22a 100644 --- a/arch/x86/um/syscalls_64.c +++ b/arch/x86/um/syscalls_64.c @@ -5,12 +5,9 @@ * Licensed under the GPL */ -#include "linux/linkage.h" -#include "linux/personality.h" -#include "linux/utsname.h" -#include "asm/prctl.h" /* XXX This should get the constants from libc */ -#include "asm/uaccess.h" -#include "os.h" +#include <linux/sched.h> +#include <asm/prctl.h> /* XXX This should get the constants from libc */ +#include <os.h> long arch_prctl(struct task_struct *task, int code, unsigned long __user *addr) { @@ -79,20 +76,6 @@ long sys_arch_prctl(int code, unsigned long addr) return arch_prctl(current, code, (unsigned long __user *) addr); } -long sys_clone(unsigned long clone_flags, unsigned long newsp, - void __user *parent_tid, void __user *child_tid) -{ - long ret; - - if (!newsp) - newsp = UPT_SP(¤t->thread.regs.regs); - current->thread.forking = 1; - ret = do_fork(clone_flags, newsp, ¤t->thread.regs, 0, parent_tid, - child_tid); - current->thread.forking = 0; - return ret; -} - void arch_switch_to(struct task_struct *to) { if ((to->thread.arch.fs == 0) || (to->mm == NULL)) |