linux-hardening - Re: [RFC PATCH v2 01/21] efi/libstub: Filter out CC_FLAGS

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Message-ID: <CABCJKud-aV+B9-2T=jTLqSpXgzmFB=4c8_rKtnreZ6Xa3QEh2A@mail.gmail.com>
Date:   Mon, 16 May 2022 08:44:20 -0700
From:   Sami Tolvanen <samitolvanen@...gle.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     linux-kernel@...r.kernel.org, Josh Poimboeuf <jpoimboe@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>, x86@...nel.org,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Joao Moreira <joao@...rdrivepizza.com>,
        Sedat Dilek <sedat.dilek@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        linux-hardening@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, llvm@...ts.linux.dev
Subject: Re: [RFC PATCH v2 01/21] efi/libstub: Filter out CC_FLAGS_CFI

On Sat, May 14, 2022 at 2:42 PM Kees Cook <keescook@...omium.org> wrote:
>
> On Fri, May 13, 2022 at 01:21:39PM -0700, Sami Tolvanen wrote:
> > Explicitly filter out CC_FLAGS_CFI in preparation for the flags being
> > removed from CC_FLAGS_LTO.
> >
> > Signed-off-by: Sami Tolvanen <samitolvanen@...gle.com>
>
> Is it worth merging all the "existing" CC_FLAGS_LTO/CFI splits into a
> single patch? Either way:

Sure, I can merge them in the next version.

Sami