linux-kernel - Re: [PATCH v3 5/5] tracing/probe: Support user-space dereference

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Date:   Thu, 28 Feb 2019 11:20:39 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-kernel@...r.kernel.org,
        Andy Lutomirski <luto@...capital.net>,
        Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Changbin Du <changbin.du@...il.com>,
        Jann Horn <jannh@...gle.com>,
        Kees Cook <keescook@...omium.org>,
        Andy Lutomirski <luto@...nel.org>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>,
        Nadav Amit <namit@...are.com>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH v3 5/5] tracing/probe: Support user-space dereference

On Thu, 28 Feb 2019 16:00:55 +0900
Masami Hiramatsu <mhiramat@...nel.org> wrote:

> > 
> > "+u0(%si):string will read a string from the address in the register
> >  %si that is expected to be in user-space. 'ustring' is a shortcut way
> >  off performing the same task. That is, +0(%si):ustring is equivalent
> >  to +u0(%si):string."  
> 
> Would you mean "of performing"?

Yes :-)

-- Steve