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Re: [PATCH 5/6] x86/paravirt: Switch MSR access pv_ops functions to instruction interfaces
- To: Juergen Gross <jgross@xxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, virtualization@xxxxxxxxxxxxxxx
- From: Xin Li <xin@xxxxxxxxx>
- Date: Mon, 12 May 2025 22:55:53 -0700
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- Cc: Ajay Kaher <ajay.kaher@xxxxxxxxxxxx>, Alexey Makhalov <alexey.amakhalov@xxxxxxxxxxxx>, Broadcom internal kernel review list <bcm-kernel-feedback-list@xxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Tue, 13 May 2025 05:56:37 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 5/12/2025 4:24 AM, Juergen Gross wrote:
Now with the mentioned patch really attached. :-)
Does it allow patching with an instruction more than 6 bytes long?
The immediate form MSR instructions are 9 bytes long.
Thanks!
Xin
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