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?
Ben.
> The driver was originally enabled in 2010 along with lots of other
> drivers.
>
> Fixes: 59d302b342e5 ("MIPS: IP27: Make defconfig useful again.")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> arch/mips/configs/ip27_defconfig | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/arch/mips/configs/ip27_defconfig b/arch/mips/configs/ip27_defconfig
> index 7446284dd7b3..cb56ff8d0cdd 100644
> --- a/arch/mips/configs/ip27_defconfig
> +++ b/arch/mips/configs/ip27_defconfig
> @@ -129,7 +129,6 @@ CONFIG_SCSI_AIC94XX=m
> CONFIG_SCSI_MVSAS=m
> # CONFIG_SCSI_MVSAS_DEBUG is not set
> CONFIG_SCSI_DPT_I2O=m
> -CONFIG_SCSI_MPT2SAS=m
> CONFIG_LIBFC=m
> CONFIG_SCSI_QLOGIC_1280=y
> CONFIG_SCSI_PMCRAID=m
--
Ben Hutchings
It is a miracle that curiosity survives formal education. - Albert
Einstein
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