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From: Shuo A Liu <shuo.a.liu@intel.com>
To: Borislav Petkov <bp@alien8.de>
Cc: linux-kernel@vger.kernel.org, x86@kernel.org,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"H . Peter Anvin" <hpa@zytor.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Yu Wang <yu1.wang@intel.com>,
	Reinette Chatre <reinette.chatre@intel.com>,
	Zhi Wang <zhi.a.wang@intel.com>,
	Zhenyu Wang <zhenyuw@linux.intel.com>
Subject: Re: [PATCH v9 17/18] virt: acrn: Introduce an interface for Service VM to control vCPU
Date: Thu, 4 Mar 2021 09:36:57 +0800	[thread overview]
Message-ID: <20210304013657.GC9695@shuo-intel.sh.intel.com> (raw)
In-Reply-To: <20210303173719.GA30356@zn.tnic>

On Wed  3.Mar'21 at 18:37:19 +0100, Borislav Petkov wrote:
>On Sun, Feb 07, 2021 at 11:10:39AM +0800, shuo.a.liu@intel.com wrote:
>> From: Shuo Liu <shuo.a.liu@intel.com>
>>
>> ACRN supports partition mode to achieve real-time requirements. In
>> partition mode, a CPU core can be dedicated to a vCPU of User VM. The
>> local APIC of the dedicated CPU core can be passthrough to the User VM.
>> The Service VM controls the assignment of the CPU cores.
>>
>> Introduce an interface for the Service VM to remove the control of CPU
>> core from hypervisor perspective so that the CPU core can be a dedicated
>> CPU core of User VM.
>>
>> Signed-off-by: Shuo Liu <shuo.a.liu@intel.com>
>> Reviewed-by: Zhi Wang <zhi.a.wang@intel.com>
>> Reviewed-by: Reinette Chatre <reinette.chatre@intel.com>
>> Cc: Zhi Wang <zhi.a.wang@intel.com>
>> Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
>> Cc: Yu Wang <yu1.wang@intel.com>
>> Cc: Reinette Chatre <reinette.chatre@intel.com>
>> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
>> ---
>>  drivers/virt/acrn/hsm.c       | 48 +++++++++++++++++++++++++++++++++++
>>  drivers/virt/acrn/hypercall.h | 14 ++++++++++
>>  2 files changed, 62 insertions(+)
>
>This one causes:
>
>drivers/virt/acrn/hsm.c: In function ‘remove_cpu_store’:
>drivers/virt/acrn/hsm.c:389:3: error: implicit declaration of function ‘remove_cpu’; did you mean ‘register_cpu’? [-Werror=implicit-function-declaration]
>   remove_cpu(cpu);
>   ^~~~~~~~~~
>   register_cpu
>drivers/virt/acrn/hsm.c:402:2: error: implicit declaration of function ‘add_cpu’; did you mean ‘task_cpu’? [-Werror=implicit-function-declaration]
>  add_cpu(cpu);
>  ^~~~~~~
>  task_cpu
>cc1: some warnings being treated as errors
>make[3]: *** [scripts/Makefile.build:271: drivers/virt/acrn/hsm.o] Error 1
>make[3]: *** Waiting for unfinished jobs....
>make[2]: *** [scripts/Makefile.build:514: drivers/virt/acrn] Error 2
>make[1]: *** [scripts/Makefile.build:514: drivers/virt] Error 2
>make[1]: *** Waiting for unfinished jobs....
>make: *** [Makefile:1849: drivers] Error 2

This patchset could fix it.
https://lore.kernel.org/lkml/20210221134339.57851-1-shuo.a.liu@intel.com/.

Thanks
shuo

  reply	other threads:[~2021-03-04  1:38 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-07  3:10 [PATCH v9 00/18] HSM driver for ACRN hypervisor shuo.a.liu
2021-02-07  3:10 ` [PATCH v9 01/18] docs: acrn: Introduce ACRN shuo.a.liu
2021-02-08 19:48   ` Randy Dunlap
2021-02-09  1:24     ` Shuo A Liu
2021-02-07  3:10 ` [PATCH v9 02/18] x86/acrn: Introduce acrn_{setup, remove}_intr_handler() shuo.a.liu
2021-02-07  3:10 ` [PATCH v9 03/18] x86/acrn: Introduce acrn_cpuid_base() and hypervisor feature bits shuo.a.liu
2021-02-07  3:10 ` [PATCH v9 04/18] x86/acrn: Introduce hypercall interfaces shuo.a.liu
2021-02-07  3:10 ` [PATCH v9 05/18] virt: acrn: Introduce ACRN HSM basic driver shuo.a.liu
2021-02-07  3:10 ` [PATCH v9 06/18] virt: acrn: Introduce VM management interfaces shuo.a.liu
2021-02-07  3:10 ` [PATCH v9 07/18] virt: acrn: Introduce an ioctl to set vCPU registers state shuo.a.liu
2021-02-07  3:10 ` [PATCH v9 08/18] virt: acrn: Introduce EPT mapping management shuo.a.liu
2021-02-07  3:10 ` [PATCH v9 09/18] virt: acrn: Introduce I/O request management shuo.a.liu
2021-02-07  3:10 ` [PATCH v9 10/18] virt: acrn: Introduce PCI configuration space PIO accesses combiner shuo.a.liu
2021-02-07  3:10 ` [PATCH v9 11/18] virt: acrn: Introduce interfaces for PCI device passthrough shuo.a.liu
2021-02-07  3:10 ` [PATCH v9 12/18] virt: acrn: Introduce interrupt injection interfaces shuo.a.liu
2021-02-07  3:10 ` [PATCH v9 13/18] virt: acrn: Introduce interfaces to query C-states and P-states allowed by hypervisor shuo.a.liu
2021-02-07  3:10 ` [PATCH v9 14/18] virt: acrn: Introduce I/O ranges operation interfaces shuo.a.liu
2021-02-07  3:10 ` [PATCH v9 15/18] virt: acrn: Introduce ioeventfd shuo.a.liu
2021-02-07  3:10 ` [PATCH v9 16/18] virt: acrn: Introduce irqfd shuo.a.liu
2021-02-07  3:10 ` [PATCH v9 17/18] virt: acrn: Introduce an interface for Service VM to control vCPU shuo.a.liu
2021-03-03 17:37   ` Borislav Petkov
2021-03-04  1:36     ` Shuo A Liu [this message]
2021-03-04 10:50       ` Borislav Petkov
2021-02-07  3:10 ` [PATCH v9 18/18] sample/acrn: Introduce a sample of HSM ioctl interface usage shuo.a.liu
2021-02-09 10:00 ` [PATCH v9 00/18] HSM driver for ACRN hypervisor Greg Kroah-Hartman
2021-02-09 10:18   ` Shuo A Liu

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