linux-kernel - Re: [PATCH v5 2/3] x86/asm: add _ASM_ARG* constants for argument registers to <asm/asm.h>

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Message-ID: <CAKwvOdmE-EHJY7tgzkhyQqNT3m3oWtd6iE3sWBTz19Rijzx4Ew@mail.gmail.com>
Date:   Wed, 20 Jun 2018 09:40:46 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     hpa@...or.com, mingo@...hat.com,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        linux-efi@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        x86@...nel.org, virtualization@...ts.linux-foundation.org,
        Alistair Strachan <astrachan@...gle.com>,
        Manoj Gupta <manojgupta@...gle.com>,
        Greg Hackmann <ghackmann@...gle.com>, sedat.dilek@...il.com,
        tstellar@...hat.com, Kees Cook <keescook@...gle.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        geert@...ux-m68k.org, Will Deacon <will.deacon@....com>,
        mawilcox@...rosoft.com, Arnd Bergmann <arnd@...db.de>,
        David Rientjes <rientjes@...gle.com>, acme@...hat.com,
        Philippe Ombredanne <pombredanne@...b.com>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        boris.ostrovsky@...cle.com, "J. Kiszka" <jan.kiszka@...mens.com>,
        rostedt@...dmis.org, kirill.shutemov@...ux.intel.com,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        akataria@...are.com, brijesh.singh@....com,
        Cao jin <caoj.fnst@...fujitsu.com>,
        Greg KH <gregkh@...uxfoundation.org>,
        jarkko.sakkinen@...ux.intel.com, jgross@...e.com,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Matthias Kaehlcke <mka@...omium.org>, thomas.lendacky@....com,
        Thiebaud Weksteen <tweek@...gle.com>, mjg59@...gle.com,
        joe@...ches.com, andrea.parri@...rulasolutions.com,
        "H. Peter Anvin" <hpa@...ux.intel.com>
Subject: Re: [PATCH v5 2/3] x86/asm: add _ASM_ARG* constants for argument
 registers to <asm/asm.h>

On Thu, Jun 14, 2018 at 5:17 PM H. Peter Anvin <hpa@...or.com> wrote:
>
> On 06/14/18 13:59, Nick Desaulniers wrote:
> > On Thu, Jun 14, 2018 at 1:48 PM H. Peter Anvin <hpa@...or.com> wrote:
> >>
> >> On 06/13/18 14:05, Nick Desaulniers wrote:
> >>> From: "H. Peter Anvin" <hpa@...ux.intel.com>
> >>>
> >>> i386 and x86-64 uses different registers for arguments; make them
> >>> available so we don't have to #ifdef in the actual code.
> >>>
> >>> Native size and specified size (q, l, w, b) versions are provided.
> >>>
> >>> Suggested-by: Sedat Dilek <sedat.dilek@...il.com>
> >>> Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com>
> >>> Signed-off-by: Nick Desaulniers <ndesaulniers@...gle.com>
> >>
> >> I still object to Suggested-by: here.  Sedat did a correction, which is
> >> a Reviewed-by:, but unless I'm completely out to sea, there was no
> >> suggestion on Sedat's part of this; and I had certainly not seen it when
> >> I wrote the code.
> >
> > I'm fine with changing it from a Suggested-by to a Reviewed-by.  Can
> > you do that when you apply the set, or should I send a v6?
> >
>
> I'm not handling patch mechanics for x86 at the moment.

Hi Ingo and Thomas,
Have you had a chance to review this patch series for application?

Note that Juergen (the paravirt maintainer) acked the series:
https://bugs.llvm.org/show_bug.cgi?id=37880
The only issue being swapping a Suggested-by for a Reviewed-by tag for
one commit, as above.

--
Thanks,
~Nick Desaulniers