From: Yang Zhong <yang.zhong@intel.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
x86@kernel.org, linux-sgx@vger.kernel.org, jarkko@kernel.org,
dave.hansen@linux.intel.com, yang.zhong@intel.com
Subject: Re: [RFC/RFT PATCH 0/2] x86: sgx_vepc: implement ioctl to EREMOVE all pages
Date: Tue, 14 Sep 2021 15:10:30 +0800 [thread overview]
Message-ID: <20210914071030.GA28797@yangzhon-Virtual> (raw)
In-Reply-To: <20210913131153.1202354-1-pbonzini@redhat.com>
On Mon, Sep 13, 2021 at 09:11:51AM -0400, Paolo Bonzini wrote:
> Based on discussions from the previous week(end), this series implements
> a ioctl that performs EREMOVE on all pages mapped by a /dev/sgx_vepc
> file descriptor. Other possibilities, such as closing and reopening
> the device, are racy.
>
> The patches are untested, but I am posting them because they are simple
> and so that Yang Zhong can try using them in QEMU.
>
Paolo, i re-implemented one reset patch in the Qemu side to call this ioctl(),
and did some tests on Windows and Linux guest, the Windows/Linux guest reboot
work well.
So, it is time for me to send this reset patch to Qemu community? or wait for
this kernel patchset merged? thanks!
Yang
> Paolo
>
> Paolo Bonzini (2):
> x86: sgx_vepc: extract sgx_vepc_remove_page
> x86: sgx_vepc: implement SGX_IOC_VEPC_REMOVE ioctl
>
> arch/x86/include/uapi/asm/sgx.h | 2 ++
> arch/x86/kernel/cpu/sgx/virt.c | 48 ++++++++++++++++++++++++++++++---
> 2 files changed, 47 insertions(+), 3 deletions(-)
>
> --
> 2.27.0
next prev parent reply other threads:[~2021-09-14 7:24 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-13 13:11 [RFC/RFT PATCH 0/2] x86: sgx_vepc: implement ioctl to EREMOVE all pages Paolo Bonzini
2021-09-13 13:11 ` [PATCH 1/2] x86: sgx_vepc: extract sgx_vepc_remove_page Paolo Bonzini
2021-09-13 14:05 ` Dave Hansen
2021-09-13 14:24 ` Paolo Bonzini
2021-09-13 14:55 ` Dave Hansen
2021-09-13 15:14 ` Paolo Bonzini
2021-09-13 15:29 ` Dave Hansen
2021-09-13 18:35 ` Paolo Bonzini
2021-09-13 19:25 ` Dave Hansen
2021-09-13 21:16 ` Jarkko Sakkinen
2021-09-13 21:15 ` Jarkko Sakkinen
2021-09-13 21:13 ` Jarkko Sakkinen
2021-09-14 5:36 ` Paolo Bonzini
2021-09-14 16:05 ` Jarkko Sakkinen
2021-09-13 21:12 ` Jarkko Sakkinen
2021-09-13 21:00 ` Jarkko Sakkinen
2021-09-13 20:33 ` Jarkko Sakkinen
2021-09-13 13:11 ` [PATCH 2/2] x86: sgx_vepc: implement SGX_IOC_VEPC_REMOVE ioctl Paolo Bonzini
2021-09-13 19:33 ` Dave Hansen
2021-09-13 21:11 ` Sean Christopherson
2021-09-13 22:43 ` Dave Hansen
2021-09-14 10:55 ` Kai Huang
2021-09-14 7:10 ` Yang Zhong [this message]
2021-09-14 10:19 ` [RFC/RFT PATCH 0/2] x86: sgx_vepc: implement ioctl to EREMOVE all pages Paolo Bonzini
2021-09-14 16:42 ` Jarkko Sakkinen
2021-09-14 17:07 ` Paolo Bonzini
2021-09-14 17:40 ` Jarkko Sakkinen
2021-09-14 17:44 ` Jarkko Sakkinen
2021-09-15 8:28 ` Yang Zhong
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