diff options
| author | Tony Lindgren <tony@atomide.com> | 2015-06-09 23:37:31 -0700 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2015-06-09 23:37:31 -0700 |
| commit | 63e63a1981c7247fea41ce97b3144befc8f2fb7b (patch) | |
| tree | 74a5708579661a741b6c62096530e68aee949273 /arch/parisc/kernel/process.c | |
| parent | 5b83b2234be6733cfe22036c38031b2c890b3db8 (diff) | |
| parent | a3e362f18c01f28abcb6d8e5d00be8b5d97ea09d (diff) | |
Merge branch 'wakeirq-8250' into omap-for-v4.2/wakeirq-v2
Diffstat (limited to 'arch/parisc/kernel/process.c')
| -rw-r--r-- | arch/parisc/kernel/process.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c index 8a488c22a99f..809905a811ed 100644 --- a/arch/parisc/kernel/process.c +++ b/arch/parisc/kernel/process.c @@ -181,9 +181,12 @@ int dump_task_fpu (struct task_struct *tsk, elf_fpregset_t *r) return 1; } +/* + * Copy architecture-specific thread state + */ int copy_thread(unsigned long clone_flags, unsigned long usp, - unsigned long arg, struct task_struct *p) + unsigned long kthread_arg, struct task_struct *p) { struct pt_regs *cregs = &(p->thread.regs); void *stack = task_stack_page(p); @@ -195,11 +198,10 @@ copy_thread(unsigned long clone_flags, unsigned long usp, extern void * const child_return; if (unlikely(p->flags & PF_KTHREAD)) { + /* kernel thread */ memset(cregs, 0, sizeof(struct pt_regs)); if (!usp) /* idle thread */ return 0; - - /* kernel thread */ /* Must exit via ret_from_kernel_thread in order * to call schedule_tail() */ @@ -215,7 +217,7 @@ copy_thread(unsigned long clone_flags, unsigned long usp, #else cregs->gr[26] = usp; #endif - cregs->gr[25] = arg; + cregs->gr[25] = kthread_arg; } else { /* user thread */ /* usp must be word aligned. This also prevents users from |