Re: [PATCH 03/18] x86/asm/64: Move SWAPGS into the common iret-to-usermode path

[Brian Gerst]

On Thu, Oct 26, 2017 at 4:26 AM, Andy Lutomirski <luto@xxxxxxxxxx> wrote:
> All of the code paths that ended up doing IRET to usermode did
> SWAPGS immediately beforehand.  Move the SWAPGS into the common
> code.
>
> Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>

> +GLOBAL(swapgs_restore_regs_and_return_to_usermode)

Is adding swapgs to the label really necessary?  It's redundant with
the usermode part.  I'm noticing a trend towards absurdly verbose
labels lately.

--
Brian Gerst