Re: [RFC PATCH 1/1] x86/sgx: Explicitly give up the CPU in EDMM's ioctl() to avoid softlockup

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To: "Bojun Zhu" <zhubojun.zbj@xxxxxxxxxxxx>, "Huang, Kai" <kai.huang@xxxxxxxxx>, "linux-sgx@xxxxxxxxxxxxxxx" <linux-sgx@xxxxxxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "dave.hansen@xxxxxxxxxxxxxxx" <dave.hansen@xxxxxxxxxxxxxxx>
Subject: Re: [RFC PATCH 1/1] x86/sgx: Explicitly give up the CPU in EDMM's ioctl() to avoid softlockup
From: "Jarkko Sakkinen" <jarkko@xxxxxxxxxx>
Date: Wed, 24 Apr 2024 10:02:14 +0300
Cc: 刘双(轩屹) <ls123674@xxxxxxxxxxxx>, "Chatre, Reinette" <reinette.chatre@xxxxxxxxx>
In-reply-to: <85dfbebc-a2d5-4828-b3b9-f929cd6e30cf@antgroup.com>
References: <20240423092550.59297-1-zhubojun.zbj@antgroup.com> <20240423092550.59297-2-zhubojun.zbj@antgroup.com> <02fe00c3b10e4476d500ad7a34024b7eae5e3c97.camel@intel.com> <85dfbebc-a2d5-4828-b3b9-f929cd6e30cf@antgroup.com>

On Wed Apr 24, 2024 at 9:46 AM EEST, Bojun Zhu wrote:
> Based on the the discussion among you, Jarkko and Reinette,
> I will keep the need_resched() and wrap the logic in using sgx_resched(),
> as suggested by Jarkko.

Sounds like a plan :-)

> Regards,
>
> Bojun

BR, Jarkko

Follow-Ups:
- Re: [RFC PATCH 1/1] x86/sgx: Explicitly give up the CPU in EDMM's ioctl() to avoid softlockup
  - From: Jarkko Sakkinen

References:
- [RFC PATCH 0/1] x86/sgx: Explicitly give up the CPU in EDMM's ioctl() to avoid softlockup
  - From: 朱伯君(杰铭)
- [RFC PATCH 1/1] x86/sgx: Explicitly give up the CPU in EDMM's ioctl() to avoid softlockup
  - From: 朱伯君(杰铭)
- Re: [RFC PATCH 1/1] x86/sgx: Explicitly give up the CPU in EDMM's ioctl() to avoid softlockup
  - From: Huang, Kai
- Re: [RFC PATCH 1/1] x86/sgx: Explicitly give up the CPU in EDMM's ioctl() to avoid softlockup
  - From: Bojun Zhu

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