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Groups > linux.kernel > #1306628 > unrolled thread

s390 cross-compiling code coverage

Started byPeter Hurley <peter@hurleysoftware.com>
First post2016-01-11 20:40 +0100
Last post2016-01-11 21:50 +0100
Articles 4 — 2 participants

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  s390 cross-compiling code coverage Peter Hurley <peter@hurleysoftware.com> - 2016-01-11 20:40 +0100
    Re: s390 cross-compiling code coverage Peter Hurley <peter@hurleysoftware.com> - 2016-01-11 21:50 +0100
      Re: s390 cross-compiling code coverage Guenter Roeck <linux@roeck-us.net> - 2016-01-11 22:00 +0100
    Re: s390 cross-compiling code coverage Guenter Roeck <linux@roeck-us.net> - 2016-01-11 21:50 +0100

#1306628 — s390 cross-compiling code coverage

FromPeter Hurley <peter@hurleysoftware.com>
Date2016-01-11 20:40 +0100
Subjects390 cross-compiling code coverage
Message-ID<qPQtQ-6Lt-31@gated-at.bofh.it>
Occasionally, it's necessary to touch s390 code because of changes
within a subsystem, such as tty/serial.

Since changing the configs to the zEC12 march, the gcc 4.6.3 s390
cross-compiler hosted at kernel.org/pub/tools/crosstool no longer
builds any of the configs.

Would someone please add a config expected to build with that
cross-compiler? And/or point to a more recent cross-compiler?
And either confirm that one of these configs is suitable for
build coverage?

Regards,
Peter Hurley

PS - I did make sure that recent changes I've submitted for s390 drivers
     build, by hand-configuring from default_defconfig, but I'd like
     to rely on automation for build testing.

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#1306680

FromPeter Hurley <peter@hurleysoftware.com>
Date2016-01-11 21:50 +0100
Message-ID<qPRzz-7vv-3@gated-at.bofh.it>
In reply to#1306628
On 01/11/2016 12:41 PM, Guenter Roeck wrote:
> On Mon, Jan 11, 2016 at 11:38:35AM -0800, Peter Hurley wrote:
>> Occasionally, it's necessary to touch s390 code because of changes
>> within a subsystem, such as tty/serial.
>>
>> Since changing the configs to the zEC12 march, the gcc 4.6.3 s390
>> cross-compiler hosted at kernel.org/pub/tools/crosstool no longer
>> builds any of the configs.
>>
>> Would someone please add a config expected to build with that
>> cross-compiler? And/or point to a more recent cross-compiler?
>> And either confirm that one of these configs is suitable for
>> build coverage?
>>
> Hi Peter,
> 
> Seems to still work for me (up to and including linux-next), at least
> for building defconfig, allmodconfig, and allnoconfig. Also, the defconfig
> kernel boots for me with qemu after replacing CONFIG_MARCH_Z196 with
> CONFIG_MARCH_Z900.
> 
> Have you tried gcc 4.9.0 from
> www.kernel.org/pub/tools/crosstool/files/bin/x86_64/4.9.0/ ?

Hahaha, no. Because I never thought to look behind the html at

kernel.org/pub/tools/crosstool

which has _stale_ links to gcc 4.6.3

Thanks,
Peter Hurley

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#1306693

FromGuenter Roeck <linux@roeck-us.net>
Date2016-01-11 22:00 +0100
Message-ID<qPRJh-7Ao-11@gated-at.bofh.it>
In reply to#1306680
On Mon, Jan 11, 2016 at 12:49:24PM -0800, Peter Hurley wrote:
> On 01/11/2016 12:41 PM, Guenter Roeck wrote:
> > On Mon, Jan 11, 2016 at 11:38:35AM -0800, Peter Hurley wrote:
> >> Occasionally, it's necessary to touch s390 code because of changes
> >> within a subsystem, such as tty/serial.
> >>
> >> Since changing the configs to the zEC12 march, the gcc 4.6.3 s390
> >> cross-compiler hosted at kernel.org/pub/tools/crosstool no longer
> >> builds any of the configs.
> >>
> >> Would someone please add a config expected to build with that
> >> cross-compiler? And/or point to a more recent cross-compiler?
> >> And either confirm that one of these configs is suitable for
> >> build coverage?
> >>
> > Hi Peter,
> > 
> > Seems to still work for me (up to and including linux-next), at least
> > for building defconfig, allmodconfig, and allnoconfig. Also, the defconfig
> > kernel boots for me with qemu after replacing CONFIG_MARCH_Z196 with
> > CONFIG_MARCH_Z900.
> > 
> > Have you tried gcc 4.9.0 from
> > www.kernel.org/pub/tools/crosstool/files/bin/x86_64/4.9.0/ ?
> 
> Hahaha, no. Because I never thought to look behind the html at
> 
> kernel.org/pub/tools/crosstool
> 
> which has _stale_ links to gcc 4.6.3
> 

That is just to give people like me, who happened to find it, the opportunity
to "shine" in public :-)

Cheers,
Guenter

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#1306683

FromGuenter Roeck <linux@roeck-us.net>
Date2016-01-11 21:50 +0100
Message-ID<qPRzz-7vv-5@gated-at.bofh.it>
In reply to#1306628
On Mon, Jan 11, 2016 at 11:38:35AM -0800, Peter Hurley wrote:
> Occasionally, it's necessary to touch s390 code because of changes
> within a subsystem, such as tty/serial.
> 
> Since changing the configs to the zEC12 march, the gcc 4.6.3 s390
> cross-compiler hosted at kernel.org/pub/tools/crosstool no longer
> builds any of the configs.
> 
> Would someone please add a config expected to build with that
> cross-compiler? And/or point to a more recent cross-compiler?
> And either confirm that one of these configs is suitable for
> build coverage?
> 
Hi Peter,

Seems to still work for me (up to and including linux-next), at least
for building defconfig, allmodconfig, and allnoconfig. Also, the defconfig
kernel boots for me with qemu after replacing CONFIG_MARCH_Z196 with
CONFIG_MARCH_Z900.

Have you tried gcc 4.9.0 from
www.kernel.org/pub/tools/crosstool/files/bin/x86_64/4.9.0/ ?

Guenter

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