Re: [PATCH v2 4/4] x86/static_call: Add inline static call implementation for x86-64

From: Steven Rostedt
Date: Thu Nov 29 2018 - 12:22:04 EST


On Thu, 29 Nov 2018 12:20:00 -0500
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:


> r8 = return address
> r9 = function to call
>

Bad example, r8 and r9 are args, but r10 and r11 are available.

-- Steve

> push r8
> jmp *r9
>
> Then have the regs->ip point to that trampoline.
>
> -- Steve