Messages in this thread | | | Date | Thu, 21 Feb 2019 16:37:26 +0900 | From | Masami Hiramatsu <> | Subject | Re: [PATCH 1/2 v2] kprobe: Do not use uaccess functions to access kernel memory that can fault |
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On Wed, 20 Feb 2019 11:42:17 -0500 Steven Rostedt <rostedt@goodmis.org> wrote:
> On Thu, 21 Feb 2019 01:04:53 +0900 > Masami Hiramatsu <mhiramat@kernel.org> 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
I like +u8 since it is easier to implement :-p.
Thank you,
> > </bike-shed> > > -- Steve
-- Masami Hiramatsu <mhiramat@kernel.org>
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