Messages in this thread | | | Subject | Re: [PATCH v2 1/3] genirq/affinity: Add irq_update_affinity_desc() | From | John Garry <> | Date | Thu, 26 Nov 2020 11:29:54 +0000 |
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Hi Marc,
> > I did: > > https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/log/?h=irq/hacks
ok, I'll have a look
>> >> You still should be able to enable my favorite >> CONFIG_DEBUG_TEST_DRIVER_REMOVE=y, while the distro still boot. But >> I'll just test if you want. > > Ah! Let me try that then. Having been debugging some ugly driver removal > lately, I wish I had known that config option and inflicted it on their > authors...
Just in case - be careful with this one! It kills the boot of many systems, but D05 should be fine.
> > [...] > >>> And while the mbigen port that is connected to the SAS controller >>> doesn't seem to be shared between endpoints, some other ports definitely >>> are: >>> >>> # cat /sys/kernel/debug/irq/domains/\\_SB.MBI1 >>> name: \_SB.MBI1 >>> size: 409 >>> mapped: 192 >>> flags: 0x00000003 >>> >>> [...] >>> >>> I guess that the other 217 lines are connected somewhere. >>> >> >> I think that is not the right one. See >> https://github.com/tianocore/edk2-platforms/blob/master/Silicon/Hisilicon/Hi1616/D05AcpiTables/Dsdt/D05Sas.asl#L101 >> >> > > I know, I was just outlining the fact that some of the mbigen > ports are shared between devices, and MBI1 seems to be an example > of that (though my reading of ASL is... primitive).
Ah, ok. So this one is for the networking subsystem, and it does have many devices in the topology model, but I can't claim to known much more than that.
Thanks, John
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