Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18;
MIME-Version: 1.0
References: <20220308153011.021123062@infradead.org> <20220308154318.877758523@infradead.org>
 <20220322134320.1feda670153a7132f78ea417@kernel.org>
In-Reply-To: <20220322134320.1feda670153a7132f78ea417@kernel.org>
From:   Alexei Starovoitov <alexei.starovoitov@gmail.com>
Date:   Mon, 21 Mar 2022 21:45:50 -0700
Message-ID: <CAADnVQLdrztokMv8V+oJq2qs-8UNcoKUeOr67Vvb6Tk0MPbizA@mail.gmail.com>
Subject: Re: [PATCH v4 29/45] x86/ibt: Annotate text references
To:     Masami Hiramatsu <mhiramat@kernel.org>
Cc:     Peter Zijlstra <peterz@infradead.org>, X86 ML <x86@kernel.org>,
        joao@overdrivepizza.com, "H.J. Lu" <hjl.tools@gmail.com>,
        Josh Poimboeuf <jpoimboe@redhat.com>,
        Andrew Cooper <andrew.cooper3@citrix.com>,
        LKML <linux-kernel@vger.kernel.org>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Kees Cook <keescook@chromium.org>,
        Sami Tolvanen <samitolvanen@google.com>,
        Mark Rutland <mark.rutland@arm.com>, alyssa.milburn@intel.com,
        Miroslav Benes <mbenes@suse.cz>,
        Steven Rostedt <rostedt@goodmis.org>
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

On Mon, Mar 21, 2022 at 9:43 PM Masami Hiramatsu <mhiramat@kernel.org> wrote:
>
> On Tue, 08 Mar 2022 16:30:40 +0100
> Peter Zijlstra <peterz@infradead.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/