linux-kernel - Re: [alsa-devel] [PATCH v5 08/11] ASoC: Intel: atom: Make PCI dependency explicit

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Message-ID: <CAJZ5v0j=i_YN7szXLV8cKLp2XmoqUTQR6EJhRJhWFJzenhzM9Q@mail.gmail.com>
Date:   Thu, 3 Jan 2019 10:52:28 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Chandan Rajendra <chandan@...ux.ibm.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Cc:     Sinan Kaya <Okaya@...nel.org>,
        "moderated list:INTEL ASoC DRIVERS" <alsa-devel@...a-project.org>,
        Mark Brown <broonie@...nel.org>,
        Jie Yang <yang.jie@...ux.intel.com>,
        Takashi Iwai <tiwai@...e.com>,
        open list <linux-kernel@...r.kernel.org>,
        Liam Girdwood <liam.r.girdwood@...ux.intel.com>,
        ACPI Devel Mailing List <linux-acpi@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Chandan Rajendra <chandan@...ux.vnet.ibm.com>,
        "Ted Ts'o" <tytso@...gle.com>
Subject: Re: [alsa-devel] [PATCH v5 08/11] ASoC: Intel: atom: Make PCI
 dependency explicit

On Thu, Jan 3, 2019 at 5:08 AM Chandan Rajendra <chandan@...ux.ibm.com> wrote:
>
> On Thursday, January 3, 2019 5:20:27 AM IST Pierre-Louis Bossart wrote:
> >
> > On 1/2/19 4:58 PM, Sinan Kaya wrote:
> > > On Wed, Jan 2, 2019 at 10:50 PM Pierre-Louis Bossart
> > > <pierre-louis.bossart@...ux.intel.com> wrote:
> > >>
> > >>> This is pointing to a kconfig issue on ia64 arch.
> > >>>
> > >>> arch/ia64/Kconfig:128:error: recursive dependency detected!
> > >>> arch/ia64/Kconfig:128:    choice <choice> contains symbol IA64_HP_SIM
> > >>> arch/ia64/Kconfig:202:    symbol IA64_HP_SIM is part of choice PM
> > >>>
> > >>> IA64_HP_SIM is both a choice and is selected.
> > >>>
> > >>> I did allyesconfig and disabled PCI afterwards to find all the issues
> > >>> on this patchset.
> > >> Are you saying there's a newer series that fixes this issue for both
> > >> allyesconfig and allmodconfig?
> > >>
> > >> if yes, then we're good.
> > >
> > > No, I haven't fixed ia64 kconfig issue. That's somebody else's job. I
> > > used allyesconfig to find out all compilation issues on x86 arch to
> > > come up with this patchset.
> >
> > Nothing makes me cringe more than "somebody else's job" statements. In
> > this case, there is obviously a correlation with your ACPI changes since
> > the circular dependency happens because of the ACPI symbol.
> >
> > arch/ia64/Kconfig:126:error: recursive dependency detected!
> > arch/ia64/Kconfig:126:    choice <choice> contains symbol IA64_HP_SIM
> > arch/ia64/Kconfig:200:    symbol IA64_HP_SIM is part of choice PM
> > kernel/power/Kconfig:144:    symbol PM is selected by PM_SLEEP
> > kernel/power/Kconfig:104:    symbol PM_SLEEP depends on HIBERNATE_CALLBACKS
> > kernel/power/Kconfig:31:    symbol HIBERNATE_CALLBACKS is selected by
> > HIBERNATION
> > kernel/power/Kconfig:34:    symbol HIBERNATION depends on SWAP
> > init/Kconfig:250:    symbol SWAP depends on BLOCK
> > block/Kconfig:5:    symbol BLOCK is selected by UBIFS_FS
> > fs/ubifs/Kconfig:1:    symbol UBIFS_FS depends on MISC_FILESYSTEMS
> > fs/Kconfig:220:    symbol MISC_FILESYSTEMS is selected by ACPI_APEI
> > drivers/acpi/apei/Kconfig:8:    symbol ACPI_APEI depends on ACPI
> > drivers/acpi/Kconfig:9:    symbol ACPI depends on ARCH_SUPPORTS_ACPI
> > <<<< LOOK HERE
> > drivers/acpi/Kconfig:6:    symbol ARCH_SUPPORTS_ACPI is selected by
> > IA64_HP_SIM
> > arch/ia64/Kconfig:200:    symbol IA64_HP_SIM is part of choice <choice>
> >
> > At any rate, a 3 mn git bisect tells me the circular dependency is
> > exposed by this change:
> >
> > f3fd6cd74fedf99b6060f75df00943fda13b65f2 is the first bad commit
> > commit f3fd6cd74fedf99b6060f75df00943fda13b65f2
> > Author: Chandan Rajendra <chandan@...ux.vnet.ibm.com>
> > Date:   Sat Dec 8 12:21:38 2018 +0530
> >
> >      fscrypt: remove filesystem specific build config option
> >
> >      In order to have a common code base for fscrypt "post read" processing
> >      for all filesystems which support encryption, this commit removes
> >      filesystem specific build config option (e.g.
> > CONFIG_EXT4_FS_ENCRYPTION)
> >      and replaces it with a build option (i.e. CONFIG_FS_ENCRYPTION) whose
> >      value affects all the filesystems making use of fscrypt.
> >
> >      Signed-off-by: Chandan Rajendra <chandan@...ux.vnet.ibm.com>
> >      Signed-off-by: Theodore Ts'o <tytso@....edu>
> >
>
> FWIW, The patch at https://patchwork.kernel.org/patch/10725883/ fixes this
> problem by removing "select BLOCK if FS_ENCRYPTION" from fs/ubifs/Kconfig.

OK

Pierre-Louis, can you check if this patch makes the issue go away for
you, please?