Re: [RFC PATCH 1/1] x86/traps: Get rid of exception handlers' second argument error code

[Andrew Cooper]

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