Re: [PATCH 1/2 v2] kprobe: Do not use uaccess functions to access kernel memory that can fault

[Steven Rostedt]

On Thu, 21 Feb 2019 01:04:53 +0900
Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote:

> > What about just adding 'u' to the end of the offset? Say you have a
> > data structure in kernel space that has a field in user space you want
> > to reference?
> > 
> > 
> > 	field_val=+8u(+0(%si))  
> 
> Ah, that looks good :~) thank you for this idea!

<bike-shed>

Hmm, I wonder if we should make it +u8 or u+8? as +8u may be confused
as unsigned? Like 8ULL. I don't know. Kernel developers suck at
naming :-p

</bike-shed>

-- Steve