Re: [PATCH 1/4] x86: Save return value from kernel_thread

[Andy Lutomirski]

On Sat, May 21, 2016 at 9:04 AM, Brian Gerst <brgerst@xxxxxxxxx> wrote:
> Kernel threads should always return zero on success after calling do_execve().  The
> two existing cases in the kernel (kernel_init() and call_usermodehelper_exec_async())
> correctly do this.  Save a few bytes by storing EAX/RAX instead of an immediate zero.
> Also fix the 64-bit case which should save the full 64-bits.

Does this have any additional motivation beyond cleanup and fixing an
inconsequential bug?  I.e. does the rest of your series need this?

--Andy