From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Xin Li <xin3.li@intel.com>,
linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org
Cc: Andy Lutomirski <luto@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H . Peter Anvin" <hpa@zytor.com>,
Peter Zijlstra <peterz@infradead.org>,
Juergen Gross <jgross@suse.com>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>
Subject: Re: [RFC PATCH 1/1] x86/traps: Get rid of exception handlers' second argument error code
Date: Fri, 4 Aug 2023 11:25:34 +0100 [thread overview]
Message-ID: <f0077c58-9192-9c81-6c2d-df845bfb7815@citrix.com> (raw)
In-Reply-To: <20230804075734.8372-1-xin3.li@intel.com>
On 04/08/2023 8:57 am, Xin Li wrote:
> I haven't checked Xen implications with this change, i.e., does Xen
> hypervisor need to adjust how it passes arguments to PV guests?
This is an internal detail of how Linux handles data on it's stacks,
isn't it?
The Xen code in Linux will need adjustment to match, but this is not a
hypervisor ABI (which obviously can't and won't change).
~Andrew
next prev parent reply other threads:[~2023-08-04 10:25 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-04 7:57 Xin Li
2023-08-04 10:13 ` Peter Zijlstra
2023-08-04 17:35 ` Li, Xin3
2023-08-04 19:01 ` Peter Zijlstra
2023-08-05 21:02 ` Thomas Gleixner
2023-08-04 10:25 ` Andrew Cooper [this message]
2023-08-04 10:35 ` Juergen Gross
2023-08-04 17:20 ` Li, Xin3
2023-08-04 17:19 ` Li, Xin3
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