Alternative XSA-286 fix, with far less of a performance hit. v3: * Split into two patches, to try and make the TLB flushing in do_mmu_update() a tractable problem to solve.
Andrew Cooper (2): x86/pv: Drop FLUSH_TLB_GLOBAL in do_mmu_update() for XPTI x86/pv: Flush TLB in response to paging structure changes xen/arch/x86/mm.c | 69 +++++++++++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 59 insertions(+), 10 deletions(-) -- 2.11.0
