From: "Jason A. Donenfeld" <Jason@zx2c4.com>
To: Masahiro Yamada <masahiroy@kernel.org>
Cc: David Howells <dhowells@redhat.com>,
Stephen Rothwell <sfr@canb.auug.org.au>,
Linux Next Mailing List <linux-next@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: linux-next: build failure after merge of the keys tree
Date: Thu, 14 May 2020 17:25:13 -0600 [thread overview]
Message-ID: <CAHmME9rhUJJc7ffG=pYHXSgaRXjUcic9RAvNgVqffuY15YP6Tw@mail.gmail.com> (raw)
In-Reply-To: <CAK7LNASMnHJi+42NUABD-FJQ1tTF2y6qaN=vcS9wEr11+7LVTg@mail.gmail.com>
On Thu, May 14, 2020 at 6:35 AM Masahiro Yamada <masahiroy@kernel.org> wrote:
>
> On Thu, May 14, 2020 at 9:11 PM David Howells <dhowells@redhat.com> wrote:
> >
> > Jason A. Donenfeld <Jason@zx2c4.com> wrote:
> >
> > > Your touch might be helpful here. CRYPTO_LIB_CHACHA20POLY1305 is a
> > > tristate and depends on as well as selects other things that are
> > > tristates.
> > >
> > > Meanwhile BIG_KEYS is a bool, which needs to select
> > > CRYPTO_LIB_CHACHA20POLY1305. However, it gets antsy if the the symbol
> > > its selecting has =m items in its hierarchy.
> > >
> > > Any suggestions? The ideal thing to happen would be that the select of
> > > CRYPTO_LIB_CHACHA20POLY1305 in BIG_KEYS causes all of the descendants
> > > to become =y too.
> >
> > I think that select is broken in its behaviour - it doesn't propagate the
> > selection enforcement up the tree. You could try changing it to a depends on
> > or you could put in a select for every dependency.
>
> I agree.
> 'depends on' will be cleaner.
That's fine, but also makes it more annoying for people to select
big_keys, and I don't know how David feels in that regard.
Seems like it'd be useful to have something that means "select X and
all the things X needs to not be broken", though satisfiability
problems like that can get really complicated quite fast.
next prev parent reply other threads:[~2020-05-14 23:25 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-14 4:30 linux-next: build failure after merge of the keys tree Stephen Rothwell
2020-05-14 4:46 ` Jason A. Donenfeld
2020-05-14 12:11 ` David Howells
2020-05-14 12:34 ` Masahiro Yamada
2020-05-14 23:25 ` Jason A. Donenfeld [this message]
-- strict thread matches above, loose matches on Subject: below --
2020-12-11 4:50 Stephen Rothwell
2020-05-18 4:57 Stephen Rothwell
2020-03-02 0:37 Stephen Rothwell
2020-03-02 15:23 ` Pavel Begunkov
2020-05-04 3:25 ` Stephen Rothwell
2020-05-04 3:29 ` Stephen Rothwell
2020-02-09 23:05 Stephen Rothwell
2020-02-09 23:07 ` Stephen Rothwell
2020-02-11 23:23 ` Stephen Rothwell
2020-01-16 1:36 Stephen Rothwell
2019-08-29 5:31 Stephen Rothwell
2019-09-02 6:19 ` Stephen Rothwell
2019-09-02 16:01 ` David Howells
2019-09-02 23:07 ` Stephen Rothwell
2019-09-02 23:21 ` Stephen Rothwell
2019-09-02 23:53 ` David Howells
2019-09-03 0:29 ` Stephen Rothwell
2019-09-02 23:20 ` David Howells
2019-09-02 23:39 ` Stephen Rothwell
2019-09-02 23:51 ` David Howells
2019-08-16 5:04 Stephen Rothwell
2017-11-13 2:08 Stephen Rothwell
2017-11-13 11:21 ` David Howells
2017-04-04 3:39 Stephen Rothwell
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