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

[Li, Xin3]

> 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?

Yes, it is completely internal to Linux.

> 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).

You're right! Thanks for confirming!