linux-kernel - Re: [PATCH v9 00/24] x86/resctrl: monitored closid+rmid together, separate arch/fs locking

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Message-ID: <236e74ff-4a34-4e7a-9ed4-36a7112476a8@arm.com>
Date: Mon, 19 Feb 2024 16:54:03 +0000
From: James Morse <james.morse@....com>
To: Borislav Petkov <bp@...en8.de>
Cc: x86@...nel.org, linux-kernel@...r.kernel.org,
 Fenghua Yu <fenghua.yu@...el.com>,
 Reinette Chatre <reinette.chatre@...el.com>,
 Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
 H Peter Anvin <hpa@...or.com>, Babu Moger <Babu.Moger@....com>,
 shameerali.kolothum.thodi@...wei.com,
 D Scott Phillips OS <scott@...amperecomputing.com>,
 carl@...amperecomputing.com, lcherian@...vell.com,
 bobo.shaobowang@...wei.com, tan.shaopeng@...itsu.com,
 baolin.wang@...ux.alibaba.com, Jamie Iles <quic_jiles@...cinc.com>,
 Xin Hao <xhao@...ux.alibaba.com>, peternewman@...gle.com,
 dfustini@...libre.com, amitsinght@...vell.com,
 David Hildenbrand <david@...hat.com>
Subject: Re: [PATCH v9 00/24] x86/resctrl: monitored closid+rmid together,
 separate arch/fs locking

Hi Boris,

Thanks for the config, (as Thomas pointed out) this is coming from an awkward lockdep
annotation - turns out it also depends on HOTPLUG_CPU.

I'll post a v10 with the collected tags and this fixed.


Thanks,

James

On 17/02/2024 10:55, Borislav Petkov wrote:
> On Tue, Feb 13, 2024 at 06:44:14PM +0000, James Morse wrote:
>> Hello!
>>
>> It's been back and forth for whether this series should be rebased onto Tony's
>> SNC series. This version isn't, its based on tip/x86/cache.
>> (I have the rebased-and-tested versions if anyone needs them)
> 
> The set applied ontop of tip:x86/cache gives:
> 
> vmlinux.o: in function `get_domain_from_cpu':
> (.text+0x150f33): undefined reference to `lockdep_is_cpus_held'
> ld: vmlinux.o: in function `rdt_ctrl_update':
> (.text+0x150fbc): undefined reference to `lockdep_is_cpus_held'
> 
> Config
> 
> 00-14-04-randconfig-x86_64-26892.cfg
> 
> attached.
> 
> Thx.
>