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From: Miroslav Benes <mbenes@suse.cz>
To: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Joe Lawrence <joe.lawrence@redhat.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	live-patching@vger.kernel.org,
	Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>
Subject: Re: [PATCH v4 06/10] modpost: Add modinfo flag to livepatch modules
Date: Mon, 19 Aug 2019 09:31:43 +0200 (CEST)
Message-ID: <alpine.LSU.2.21.1908190928520.31051@pobox.suse.cz> (raw)
In-Reply-To: <CAK7LNAS0Z95VT2n1o3V09bKf-rkPBMNdRryF67gpLKtnjAVAiA@mail.gmail.com>

On Mon, 19 Aug 2019, Masahiro Yamada wrote:

> On Fri, Aug 16, 2019 at 9:43 PM Joe Lawrence <joe.lawrence@redhat.com> wrote:
> >
> > On 8/16/19 4:19 AM, Miroslav Benes wrote:
> > > Hi,
> > >
> > >> I cleaned up the build system, and pushed it based on my
> > >> kbuild tree.
> > >>
> > >> Please see:
> > >>
> > >> git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git
> > >> klp-cleanup
> > >
> > > This indeed looks much simpler and cleaner (as far as I can judge with my
> > > limited kbuild knowledge). We just need to remove MODULE_INFO(livepatch,
> > > "Y") from lib/livepatch/test_klp_convert_mod_a.c to make it compile and
> > > work (test_klp_convert_mod_a is not a livepatch module, it is just a dummy
> > > module which is then livepatched by lib/livepatch/test_klp_convert1.c).
> > >
> >
> > Yeah, Masahiro this is great, thanks for reworking this!
> >
> > I did tweak one module like Miroslav mentioned and I think a few of the
> > newly generated files need to be cleaned up as part of "make clean", but
> > all said, this is a nice improvement.
> >
> > Are you targeting the next merge window for your kbuild branch?  (This
> > appears to be what the klp-cleanup branch was based on.)
> 
> 
> I can review this series from the build system point of view,
> but I am not familiar enough with live-patching itself.
> 
> Some possibilities:
> 
> [1] Merge this series thru the live-patch tree after the
>     kbuild base patches land.
>     This requires one extra development cycle (targeting for 5.5-rc1)
>     but I think this is the official way if you do not rush into it.

I'd prefer this option. There is no real rush and I think we can wait one 
extra development cycle.

Joe, could you submit one more revision with all the recent changes (once 
kbuild improvements settle down), please? We should take a look at the 
whole thing one more time? What do you think?
 
> [2] Create an immutable branch in kbuild tree, and the live-patch
>     tree will use it as the basis for queuing this series.
>     We will have to coordinate the pull request order, but
>     we can merge this feature for 5.4-rc1
> 
> [3] Apply this series to my kbuild tree, with proper Acked-by
>     from the livepatch maintainers.
>     I am a little bit uncomfortable with applying patches I
>     do not understand, though...

Thanks
Miroslav

  reply index

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20190509143859.9050-1-joe.lawrence@redhat.com>
     [not found] ` <alpine.LSU.2.21.1906131451560.22698@pobox.suse.cz>
     [not found]   ` <b1a627a4-3702-9689-6c03-0c2123c06a2d@redhat.com>
     [not found]     ` <c9021573-11c6-b576-0aa6-97754c98a06e@redhat.com>
     [not found]       ` <20190614083435.uq3mk6mprbatysol@pathway.suse.cz>
2019-06-25 11:36         ` [PATCH v4 00/10] klp-convert livepatch build tooling Miroslav Benes
2019-06-25 13:24           ` Joe Lawrence
2019-06-25 19:08           ` Joe Lawrence
2019-06-26 10:27             ` Miroslav Benes
     [not found] ` <20190509143859.9050-4-joe.lawrence@redhat.com>
2019-07-31  2:50   ` [PATCH v4 03/10] livepatch: Add klp-convert tool Masahiro Yamada
2019-07-31  3:36     ` Masahiro Yamada
2019-08-09 18:42       ` Joe Lawrence
2019-08-13  1:15         ` Masahiro Yamada
     [not found] ` <20190509143859.9050-7-joe.lawrence@redhat.com>
2019-07-31  5:58   ` [PATCH v4 06/10] modpost: Add modinfo flag to livepatch modules Masahiro Yamada
2019-08-12 15:56     ` Joe Lawrence
2019-08-15 15:05       ` Masahiro Yamada
2019-08-16  8:19         ` Miroslav Benes
2019-08-16 12:43           ` Joe Lawrence
2019-08-16 19:01             ` Joe Lawrence
2019-08-19  3:50               ` Masahiro Yamada
2019-08-19 15:55                 ` Joe Lawrence
2019-08-20  7:54                   ` Miroslav Benes
2019-08-19  3:49             ` Masahiro Yamada
2019-08-19  7:31               ` Miroslav Benes [this message]
2019-08-19 16:02                 ` Joe Lawrence
2019-08-22  3:35                   ` Masahiro Yamada
2019-08-13 10:26     ` Miroslav Benes
     [not found] ` <20190509143859.9050-8-joe.lawrence@redhat.com>
2019-08-16 11:35   ` [PATCH v4 07/10] livepatch: Add sample livepatch module Masahiro Yamada
2019-08-16 12:47     ` Joe Lawrence

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