linux-kernel - Re: [PATCH v3 13/13] mm: remove __ARCH_HAS_4LEVEL_HACK and include/asm-generic/4level-fixup.h

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Date:   Mon, 4 Nov 2019 12:02:22 +0200
From:   Mike Rapoport <rppt@...nel.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Linux-MM <linux-mm@...ck.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Anton Ivanov <anton.ivanov@...bridgegreys.com>,
        "David S. Miller" <davem@...emloft.net>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Greentime Hu <green.hu@...il.com>,
        Greg Ungerer <gerg@...ux-m68k.org>,
        Helge Deller <deller@....de>,
        "James E.J. Bottomley" <James.Bottomley@...senpartnership.com>,
        Jeff Dike <jdike@...toit.com>,
        "Kirill A. Shutemov" <kirill@...temov.name>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Mark Salter <msalter@...hat.com>,
        Matt Turner <mattst88@...il.com>,
        Michal Simek <monstr@...str.eu>, Peter Rosin <peda@...ntia.se>,
        Richard Weinberger <richard@....at>,
        Rolf Eike Beer <eike-kernel@...tec.de>,
        Russell King <linux@...linux.org.uk>,
        Sam Creasey <sammy@...my.net>,
        Vincent Chen <deanbo422@...il.com>,
        Vineet Gupta <Vineet.Gupta1@...opsys.com>,
        alpha <linux-alpha@...r.kernel.org>,
        linux-arch <linux-arch@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-c6x-dev@...ux-c6x.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-m68k <linux-m68k@...ts.linux-m68k.org>,
        Parisc List <linux-parisc@...r.kernel.org>,
        linux-um@...ts.infradead.org,
        sparclinux <sparclinux@...r.kernel.org>,
        Mike Rapoport <rppt@...ux.ibm.com>
Subject: Re: [PATCH v3 13/13] mm: remove __ARCH_HAS_4LEVEL_HACK and
 include/asm-generic/4level-fixup.h

On Mon, Nov 04, 2019 at 10:11:51AM +0100, Arnd Bergmann wrote:
> On Mon, Nov 4, 2019 at 7:58 AM Mike Rapoport <rppt@...nel.org> wrote:
> >
> > From: Mike Rapoport <rppt@...ux.ibm.com>
> >
> > There are no architectures that use include/asm-generic/4level-fixup.h
> > therefore it can be removed along with __ARCH_HAS_4LEVEL_HACK define.
> >
> > Signed-off-by: Mike Rapoport <rppt@...ux.ibm.com>
> 
> For asm-generic:
> 
> Acked-by: Arnd Bergmann <arnd@...db.de>
> 
> Have you discussed how the series should get merged? I assume an initial
> set of patches can just go through architecture maintainer trees, but
> whatever patches don't get picked up that way would go through either
> Andrew's -mm tree (for memory management) or my asm-generic tree
> (for cross-architecture cleanups).

I thought that the entire set could go via -mm or asm-generic, but if
architecture maintainers would prefer to pick relevant patches to the arch
trees, I'll resend the rest afterwards.
 
> Since there is still at least one regression, I expect not to do anything
> for now. Please let me know when/if you expect me to merge the
> remaining patches.

Sure, thanks!

>       Arnd

-- 
Sincerely yours,
Mike.