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

[Juergen Gross]

On 04.08.23 12:25, Andrew Cooper wrote:
> 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).

The only adaption of Xen code will need to happen for the only use of
DEFINE_IDTENTRY_RAW_ERRORCODE() there, and this you have covered in your
patch already.


Juergen

Attachment: OpenPGP_0xB0DE9DD628BF132F.asc
Description: OpenPGP public key

Attachment: OpenPGP_signature
Description: OpenPGP digital signature