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| author | Alex Dowad <alexinbeijing@gmail.com> | 2015-03-16 14:38:47 (GMT) |
|---|---|---|
| committer | James Hogan <james.hogan@imgtec.com> | 2015-03-16 15:48:32 (GMT) |
| commit | 40346a0327fed526baeea701a707b65ceeea71ed (patch) | |
| tree | 7219e18ea0274b0a130429de54323b1674420285 | |
| parent | 06e5801b8cb3fc057d88cb4dc03c0b64b2744cda (diff) | |
| download | linux-40346a0327fed526baeea701a707b65ceeea71ed.tar.xz | |
metag: copy_thread(): rename 'arg' argument to 'kthread_arg'
The 'arg' argument to copy_thread() is only ever used when forking a new
kernel thread. Hence, rename it to 'kthread_arg' for clarity.
Signed-off-by: Alex Dowad <alexinbeijing@gmail.com>
Signed-off-by: James Hogan <james.hogan@imgtec.com>
| -rw-r--r-- | arch/metag/kernel/process.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/metag/kernel/process.c b/arch/metag/kernel/process.c index 483dff9..7f54618 100644 --- a/arch/metag/kernel/process.c +++ b/arch/metag/kernel/process.c @@ -174,8 +174,11 @@ void show_regs(struct pt_regs *regs) show_trace(NULL, (unsigned long *)regs->ctx.AX[0].U0, regs); } +/* + * Copy architecture-specific thread state + */ int copy_thread(unsigned long clone_flags, unsigned long usp, - unsigned long arg, struct task_struct *tsk) + unsigned long kthread_arg, struct task_struct *tsk) { struct pt_regs *childregs = task_pt_regs(tsk); void *kernel_context = ((void *) childregs + @@ -202,12 +205,13 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, global_base = __core_reg_get(A1GbP); childregs->ctx.AX[0].U1 = (unsigned long) global_base; childregs->ctx.AX[0].U0 = (unsigned long) kernel_context; - /* Set D1Ar1=arg and D1RtP=usp (fn) */ + /* Set D1Ar1=kthread_arg and D1RtP=usp (fn) */ childregs->ctx.DX[4].U1 = usp; - childregs->ctx.DX[3].U1 = arg; + childregs->ctx.DX[3].U1 = kthread_arg; tsk->thread.int_depth = 2; return 0; } + /* * Get a pointer to where the new child's register block should have * been pushed. |