On Mon, Nov 6, 2017 at 8:26 PM, Ben Hutchings <ben@xxxxxxxxxxxxxxx> wrote:
> On Tue, 2017-05-09 at 12:04 +0200, Arnd Bergmann wrote:
>> Similar to commit c64ebe32d3fc90c52277257d6c9fa7d589877cc2 upstream,
>> this fixes one more 3.16 build failure in kernelci.org that results
>> from a gcc bug:
>>
>> drivers/scsi/mpt2sas/mpt2sas_base.c:3550:1: error: insn does not satisfy its constraints:
>> drivers/scsi/mpt2sas/mpt2sas_base.c:3550:1: internal compiler error: in extract_constrain_insn, at recog.c:2190
>>
>> This is apparently broken in gcc-6 but fixed in gcc-7, and I cannot
>> reproduce the problem here. However, it is clear that ip27_defconfig
>> does not actually need this driver as the platform has only PCI-X but
>> not PCIe, and the qlge adapter in turn is PCIe-only.
>
> Then wouldn't it make sense to apply this upstream too?
I don't think it matters much either way, it's only about building an
unused module on
a platform that probably nobody cares about. If you prefer to create a patch and
send that upstream before backporting it, feel free to add my Reported-by and
Acked-by tags.
Arnd