Messages in this thread | | | Date | Fri, 4 Aug 2023 12:35:23 +0200 | From | Juergen Gross <> | Subject | Re: [RFC PATCH 1/1] x86/traps: Get rid of exception handlers' second argument error code |
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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
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