From: Thomas Gleixner native_flush_tlb_single() will be changed with the upcoming KERNEL_PAGE_TABLE_ISOLATION feature. This requires to have more code in there than INVLPG. Remove the paravirt patching for it. Signed-off-by: Thomas Gleixner Acked-by: Peter Zijlstra Reviewed-by: Josh Poimboeuf Cc: Juergen Gross Cc: Rik van Riel Cc: Dave Hansen Cc: Denys Vlasenko Cc: Andy Lutomirski Cc: michael.schwarz@iaik.tugraz.at Cc: Brian Gerst Cc: hughd@google.com Cc: daniel.gruss@iaik.tugraz.at Cc: linux-mm@kvack.org Cc: Borislav Petkov Cc: moritz.lipp@iaik.tugraz.at Cc: keescook@google.com Cc: Boris Ostrovsky Cc: Linus Torvalds Cc: richard.fellner@student.tugraz.at --- arch/x86/kernel/paravirt_patch_64.c | 2 -- 1 file changed, 2 deletions(-) --- a/arch/x86/kernel/paravirt_patch_64.c +++ b/arch/x86/kernel/paravirt_patch_64.c @@ -10,7 +10,6 @@ DEF_NATIVE(pv_irq_ops, save_fl, "pushfq; DEF_NATIVE(pv_mmu_ops, read_cr2, "movq %cr2, %rax"); DEF_NATIVE(pv_mmu_ops, read_cr3, "movq %cr3, %rax"); DEF_NATIVE(pv_mmu_ops, write_cr3, "movq %rdi, %cr3"); -DEF_NATIVE(pv_mmu_ops, flush_tlb_single, "invlpg (%rdi)"); DEF_NATIVE(pv_cpu_ops, wbinvd, "wbinvd"); DEF_NATIVE(pv_cpu_ops, usergs_sysret64, "swapgs; sysretq"); @@ -60,7 +59,6 @@ unsigned native_patch(u8 type, u16 clobb PATCH_SITE(pv_mmu_ops, read_cr2); PATCH_SITE(pv_mmu_ops, read_cr3); PATCH_SITE(pv_mmu_ops, write_cr3); - PATCH_SITE(pv_mmu_ops, flush_tlb_single); PATCH_SITE(pv_cpu_ops, wbinvd); #if defined(CONFIG_PARAVIRT_SPINLOCKS) case PARAVIRT_PATCH(pv_lock_ops.queued_spin_unlock):