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| author | H. Peter Anvin <hpa@linux.intel.com> | 2013-01-26 01:31:21 +0100 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-01-26 01:31:21 +0100 |
| commit | 7b5c4a65cc27f017c170b025f8d6d75dabb11c6f (patch) | |
| tree | 05deacbc66a9f5c27147a6ea975211ae82281044 /arch/x86/kernel/process_32.c | |
| parent | Merge branch 'x86/mm' of ssh://ra.kernel.org/pub/scm/linux/kernel/git/tip/tip... (diff) | |
| parent | Linux 3.8-rc5 (diff) | |
| download | linux-7b5c4a65cc27f017c170b025f8d6d75dabb11c6f.tar.xz linux-7b5c4a65cc27f017c170b025f8d6d75dabb11c6f.zip | |
Merge tag 'v3.8-rc5' into x86/mm
The __pa() fixup series that follows touches KVM code that is not
present in the existing branch based on v3.7-rc5, so merge in the
current upstream from Linus.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/kernel/process_32.c')
| -rw-r--r-- | arch/x86/kernel/process_32.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index 44e0bff38e72..b5a8905785e6 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -128,8 +128,7 @@ void release_thread(struct task_struct *dead_task) } int copy_thread(unsigned long clone_flags, unsigned long sp, - unsigned long arg, - struct task_struct *p, struct pt_regs *regs) + unsigned long arg, struct task_struct *p) { struct pt_regs *childregs = task_pt_regs(p); struct task_struct *tsk; @@ -138,7 +137,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, p->thread.sp = (unsigned long) childregs; p->thread.sp0 = (unsigned long) (childregs+1); - if (unlikely(!regs)) { + if (unlikely(p->flags & PF_KTHREAD)) { /* kernel thread */ memset(childregs, 0, sizeof(struct pt_regs)); p->thread.ip = (unsigned long) ret_from_kernel_thread; @@ -156,12 +155,13 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, memset(p->thread.ptrace_bps, 0, sizeof(p->thread.ptrace_bps)); return 0; } - *childregs = *regs; + *childregs = *current_pt_regs(); childregs->ax = 0; - childregs->sp = sp; + if (sp) + childregs->sp = sp; p->thread.ip = (unsigned long) ret_from_fork; - task_user_gs(p) = get_user_gs(regs); + task_user_gs(p) = get_user_gs(current_pt_regs()); p->fpu_counter = 0; p->thread.io_bitmap_ptr = NULL; |