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From: Guenter Roeck <linux@roeck-us•net>
To: Randy Dunlap <rdunlap@infradead•org>,
	Stephen Rothwell <sfr@canb•auug.org.au>
Cc: linux-next@vger•kernel.org, linux-kernel@vger•kernel.org,
	Anish Bhatt <anish@chelsio•com>,
	"David S. Miller" <davem@davemloft•net>,
	"James E.J. Bottomley" <JBottomley@parallels•com>
Subject: Re: linux-next: Tree for Sep 19
Date: Fri, 19 Sep 2014 17:15:29 -0700	[thread overview]
Message-ID: <541CC721.2010207@roeck-us.net> (raw)
In-Reply-To: <541CAC81.9040404@infradead.org>

On 09/19/2014 03:21 PM, Randy Dunlap wrote:
> On 09/19/14 14:14, Guenter Roeck wrote:
>> On Fri, Sep 19, 2014 at 04:58:17PM +1000, Stephen Rothwell wrote:
>>> Hi all,
>>>
>>> Changes since 20140917:
>>>
>>> The fsl tree still had its build failure so I used the version from
>>> next-20140917.
>>>
>>> The v4l-dvb tree lost its build failure.
>>>
>>> The security tree gained a conflict against the file-locks tree.
>>>
>>> Non-merge commits (relative to Linus' tree): 6014
>>>   5488 files changed, 217522 insertions(+), 129375 deletions(-)
>>>
>>> ----------------------------------------------------------------------------
>>>
>> Guess this is most difficult one.
>>
>> mips:nlm_xlp_defconfig:
>>
>> warning: (SCSI_BNX2X_FCOE && LIBFCOE && TCM_QLA2XXX) selects LIBFC which has
>> unmet direct dependencies (SCSI_LOWLEVEL && SCSI && SCSI_FC_ATTRS)
>> warning: (SCSI_BNX2X_FCOE && LIBFCOE && TCM_QLA2XXX) selects LIBFC which has
>> unmet direct dependencies (SCSI_LOWLEVEL && SCSI && SCSI_FC_ATTRS)
>
> Yes, I have a patch sitting on my hard drive that makes LIBFCOE and TCM_QLA2XXX
> and SCSI_BNX2X_FCOE depend on SCSI_FC_ATTRS, but I'm not entirely happy about
> having to hunt these down (even with the help of kconfig warnings).
>

One key problem is that nlm_xlp_defconfig does not configure NET anymore.
this is after 'scsi_netlink : Make SCSI_NETLINK dependent on NET instead
of selecting NET' was applied.

In fact, there are many more affected configurations; the change from
"select XXX" to "depends XXX" has far reaching consequences, as many
configurations are no longer valid. For mips alone I find that this commit
changes the following configurations.

e55_defconfig
gpr_defconfig
ip27_defconfig
jazz_defconfig
loongson3_defconfig
malta_defconfig
malta_kvm_defconfig
malta_kvm_guest_defconfig
mtx1_defconfig
nlm_xlp_defconfig
nlm_xlr_defconfig
rm200_defconfig

e55_defconfig is almost the same as before, but only because CONFIG_NET
was not configured for it to start with. For all others, CONFIG_NET is
no longer set. This effectively means that out of 55 mips configurations,
11 or 20% are now bad. This is 3.17-rc5. vs. next-20140919.

Frankly, I don't think this change was really helpful. On the contrary,
we will be in a lot of trouble when this change makes it upstream.
It might be be a good idea to be much more careful when making such
changes. Cleaning up configuration dependencies is a laudable goal,
but when it breaks configurations all over the place it does more damage
than it is worth.

Guenter

  parent reply	other threads:[~2014-09-20  0:17 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-19  6:58 linux-next: Tree for Sep 19 Stephen Rothwell
2014-09-19 19:04 ` Guenter Roeck
2014-09-19 19:15 ` Guenter Roeck
2014-09-20 19:36   ` Helge Deller
2014-09-20 21:01     ` Guenter Roeck
2014-09-21 19:43       ` Helge Deller
2014-09-19 19:42 ` Guenter Roeck
2014-09-19 20:06 ` Guenter Roeck
2014-09-22 14:40   ` Christoph Hellwig
2014-09-19 20:24 ` Guenter Roeck
2014-09-22 14:35   ` Christoph Hellwig
2014-09-19 21:14 ` Guenter Roeck
2014-09-19 21:42   ` Anish Bhatt
2014-09-20  0:18     ` Guenter Roeck
2014-09-19 22:21   ` Randy Dunlap
2014-09-19 22:28     ` Anish Bhatt
2014-09-19 22:35       ` Randy Dunlap
2014-09-20  0:15     ` Guenter Roeck [this message]
2014-09-20  1:09       ` Randy Dunlap
2014-09-20  1:43         ` Anish Bhatt
2014-09-20  2:08           ` David Miller
2014-09-20  2:40             ` Guenter Roeck
  -- strict thread matches above, loose matches on Subject: below --
2025-09-19 15:05 Mark Brown
2024-09-19  5:46 Stephen Rothwell
2023-09-19  6:37 Stephen Rothwell
2022-09-19  9:47 Stephen Rothwell
2019-09-19 16:06 Mark Brown
2018-09-19  6:16 Stephen Rothwell
2017-09-19  4:15 Stephen Rothwell
2016-09-19  7:02 Stephen Rothwell
2013-09-19  3:59 Stephen Rothwell

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