On Mon, Nov 16, 2020 at 04:22:57PM +0100, Juergen Gross wrote: > Eliminate the usergs_sysret64 paravirt call completely and switch > the swapgs one to use ALTERNATIVE instead. This requires to fix the > IST based exception entries for Xen PV to use the same mechanism as > NMI and debug exception already do. > > Juergen Gross (4): > x86/xen: use specific Xen pv interrupt entry for MCE > x86/xen: use specific Xen pv interrupt entry for DF > x86/pv: switch SWAPGS to ALTERNATIVE > x86/xen: drop USERGS_SYSRET64 paravirt call
Looks 'sane' :-)) Acked-by: Peter Zijlstra (Intel) <pet...@infradead.org>
