[elrepo] kernel-ml compilation flags

[Alan Bartlett]

On 23 September 2014 21:03, Alan Bartlett <ajb at elrepo.org> wrote:
> On 23 September 2014 20:46, Martin Ichilevici de Oliveira
> <iomartin at iomartin.net> wrote:
>>
>> I like the configuration of EL7 better regarding "NUMA behaviour".
>>
>> Checking the config options of both machines:
>>
>> EL7 machines:
>> $ grep NUMA /boot/config-3.16.3-1.el7.elrepo.x86_64
>> CONFIG_ARCH_SUPPORTS_NUMA_BALANCING=y
>> CONFIG_ARCH_WANTS_PROT_NUMA_PROT_NONE=y
>> CONFIG_ARCH_USES_NUMA_PROT_NONE=y
>> CONFIG_NUMA_BALANCING_DEFAULT_ENABLED=y
>> CONFIG_NUMA_BALANCING=y
>> # CONFIG_X86_NUMACHIP is not set
>> CONFIG_NUMA=y
>> CONFIG_AMD_NUMA=y
>> CONFIG_X86_64_ACPI_NUMA=y
>> # CONFIG_NUMA_EMU is not set
>> CONFIG_USE_PERCPU_NUMA_NODE_ID=y
>> CONFIG_ACPI_NUMA=y
>>
>> EL6 machine:
>> $ grep NUMA /boot/config-3.16.3-1.el6.elrepo.x86_64
>> CONFIG_ARCH_SUPPORTS_NUMA_BALANCING=y
>> CONFIG_ARCH_WANTS_PROT_NUMA_PROT_NONE=y
>> # CONFIG_NUMA_BALANCING is not set
>> # CONFIG_X86_NUMACHIP is not set
>> CONFIG_NUMA=y
>> CONFIG_AMD_NUMA=y
>> CONFIG_X86_64_ACPI_NUMA=y
>> # CONFIG_NUMA_EMU is not set
>> CONFIG_USE_PERCPU_NUMA_NODE_ID=y
>> CONFIG_ACPI_NUMA=y
>>
>> In particular, I was missing CONFIG_NUMA_BALANCING and
>> CONFIG_NUMA_BALANCING_DEFAULT from EL6, which are set on EL7. However,
>> I'm not sure if these config options depend on any other being set as
>> well.
>
> Thank you for the details. I shall make a note to examine the
> configurations before the next kernel source update.
>
> An RFE has been opened against the EL6 kernel-ml package --
>
> http://elrepo.org/bugs/view.php?id=509
>
> Alan.

The relevant configuration changes will appear with the next build of
the kernel-ml packages for EL6.

Thank you for bringing this discrepancy to our attention.

Alan.