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From: "H.J. Lu" <hjl.tools@gmail.com>
Date: Sat, 20 May 2017 13:01:32 -0700
Message-ID: <CAMe9rOpHtXtcaPza8e2eU-aoeLfqhErV_23rPpM86YGnOWud4A@mail.gmail.com>
Subject: Re: [PATCH 7/7] DWARF: add the config option
To: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andy Lutomirski <luto@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Jiri Slaby <jslaby@suse.cz>, Andrew Morton <akpm@linux-foundation.org>,
        live-patching@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>,
        "the arch/x86 maintainers" <x86@kernel.org>,
        Jiri Kosina <jikos@kernel.org>,
        Linus Torvalds <torvalds@linux-foundation.org>
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On Sat, May 20, 2017 at 9:20 AM, Josh Poimboeuf <jpoimboe@redhat.com> wrote:

>>
>> (H.J., could we get a binutils feature that allows is to do:
>>
>> pushq %whatever
>> .cfi_adjust_sp -8
>> ...
>> popq %whatever
>> .cfi_adjust_sp 8
>>

Np.  Compiler needs to generate this.

-- 
H.J.