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 arch/x86/entry/entry_64.S | 32 ++++++++++++--------------- arch/x86/include/asm/idtentry.h | 6 +++++ arch/x86/include/asm/irqflags.h | 26 +++++++--------------- arch/x86/include/asm/paravirt.h | 25 --------------------- arch/x86/include/asm/paravirt_types.h | 10 --------- arch/x86/kernel/asm-offsets_64.c | 3 --- arch/x86/kernel/paravirt.c | 6 +---- arch/x86/kernel/paravirt_patch.c | 7 ------ arch/x86/xen/enlighten_pv.c | 28 ++++++++++++++++++----- arch/x86/xen/xen-asm.S | 24 ++------------------ arch/x86/xen/xen-ops.h | 2 -- 11 files changed, 53 insertions(+), 116 deletions(-) -- 2.26.2 _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
