Re: [Xen-devel] [PATCH v3] x86/stackframe/32: repair 32-bit Xen PV

2019-11-19 Thread Ingo Molnar
* Jan Beulich wrote: > Once again RPL checks have been introduced which don't account for a > 32-bit kernel living in ring 1 when running in a PV Xen domain. The > case in FIXUP_FRAME has been preventing boot. Adjust BUG_IF_WRONG_CR3 > as well to guard against future uses of the macro on a code

[Xen-devel] [PATCH v3] x86/stackframe/32: repair 32-bit Xen PV

2019-11-18 Thread Jan Beulich
Once again RPL checks have been introduced which don't account for a 32-bit kernel living in ring 1 when running in a PV Xen domain. The case in FIXUP_FRAME has been preventing boot. Adjust BUG_IF_WRONG_CR3 as well to guard against future uses of the macro on a code path reachable when running in