linux-kernel - Re: [PATCH v2 0/3] x86/xen: some xen_hypercall

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Message-ID: <5c6d80bf-f090-4812-9620-5051e8ebb671@citrix.com>
Date: Wed, 5 Feb 2025 11:41:22 +0000
From: Andrew Cooper <andrew.cooper3@...rix.com>
To: Juergen Gross <jgross@...e.com>, linux-kernel@...r.kernel.org,
 x86@...nel.org
Cc: Boris Ostrovsky <boris.ostrovsky@...cle.com>,
 Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
 Borislav Petkov <bp@...en8.de>, Dave Hansen <dave.hansen@...ux.intel.com>,
 "H. Peter Anvin" <hpa@...or.com>, xen-devel@...ts.xenproject.org
Subject: Re: [PATCH v2 0/3] x86/xen: some xen_hypercall_hvm() fixes

On 05/02/2025 11:06 am, Juergen Gross wrote:
> 3 fixes of the xen_hypercall_hvm() function, with the last one being
> probably more a cleanup.
>
> Juergen Gross (3):
>   x86/xen: fix xen_hypercall_hvm() to not clobber %rbx
>   x86/xen: add FRAME_END to xen_hypercall_hvm()
>   x86/xen: remove unneeded dummy push from xen_hypercall_hvm()
>
>  arch/x86/xen/xen-head.S | 11 +++--------
>  1 file changed, 3 insertions(+), 8 deletions(-)
>

Reviewed-by: Andrew Cooper <andrew.cooper3@...rix.com>