linux-kernel - Re: [PATCH v4 29/45] x86/ibt: Annotate text references

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Message-ID: <CAADnVQLdrztokMv8V+oJq2qs-8UNcoKUeOr67Vvb6Tk0MPbizA@mail.gmail.com>
Date:   Mon, 21 Mar 2022 21:45:50 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     Peter Zijlstra <peterz@...radead.org>, X86 ML <x86@...nel.org>,
        joao@...rdrivepizza.com, "H.J. Lu" <hjl.tools@...il.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Andrew Cooper <andrew.cooper3@...rix.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Kees Cook <keescook@...omium.org>,
        Sami Tolvanen <samitolvanen@...gle.com>,
        Mark Rutland <mark.rutland@....com>, alyssa.milburn@...el.com,
        Miroslav Benes <mbenes@...e.cz>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH v4 29/45] x86/ibt: Annotate text references

On Mon, Mar 21, 2022 at 9:43 PM Masami Hiramatsu <mhiramat@...nel.org> wrote:
>
> On Tue, 08 Mar 2022 16:30:40 +0100
> Peter Zijlstra <peterz@...radead.org> wrote:
>
> > Annotate away some of the generic code references. This is things
> > where we take the address of a symbol for exception handling or return
> > addresses (eg. context switch).
>
> Ah, I got it. I need this annotate lines for rethook too.

Masami,

Peter already proposed a fix:
https://lore.kernel.org/lkml/YjisdqdofbDIYj2U@hirez.programming.kicks-ass.net/