On Sun, Jun 26, 2016 at 5:55 PM, Andy Lutomirski <luto@xxxxxxxxxx> wrote:
> From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
>
> thread_info may move in the future, so use the accessors.
>
> [changelog written by Andy]
> Message-Id: <CA+55aFxvZhBu9U1cqpVm4frv0p5mqu=0TxsSqE-=95ft8HvCVA@xxxxxxxxxxxxxx>
> Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>
> ---
> arch/x86/um/ptrace_32.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/arch/x86/um/ptrace_32.c b/arch/x86/um/ptrace_32.c
> index ebd4dd6ef73b..14e8f6a628c2 100644
> --- a/arch/x86/um/ptrace_32.c
> +++ b/arch/x86/um/ptrace_32.c
> @@ -191,7 +191,7 @@ int peek_user(struct task_struct *child, long addr, long data)
>
> static int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
> {
> - int err, n, cpu = ((struct thread_info *) child->stack)->cpu;
> + int err, n, cpu = task_thread_info(child)->cpu;
Shouldn't this use task_cpu() like in patch 23?
--
Brian Gerst
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