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authorBorislav Petkov <bp@suse.de>2018-01-12 21:55:29 +0100
committerBorislav Petkov <bp@suse.de>2018-01-12 21:55:39 +0100
commite5470616e6e86e539e506bd56f600883d362c28a (patch)
tree0ac989c45b2131f8eb045f5721a5b8f8f7e00e4a
parent8f75e0a9dc1555932007ea27c75cdae20200502f (diff)
x86/paravirt: Dont patch flush_tlb_single (bsc#1068032
CVE-2017-5754). suse-commit: 08a3e10a4d8d624031155f8eac892ba439d75757
-rw-r--r--arch/x86/kernel/paravirt_patch_64.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/x86/kernel/paravirt_patch_64.c b/arch/x86/kernel/paravirt_patch_64.c
index 11aaf1eaa0e4..c354833342bd 100644
--- a/arch/x86/kernel/paravirt_patch_64.c
+++ b/arch/x86/kernel/paravirt_patch_64.c
@@ -9,7 +9,6 @@ DEF_NATIVE(pv_irq_ops, save_fl, "pushfq; popq %rax");
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");
@@ -59,7 +58,6 @@ unsigned native_patch(u8 type, u16 clobbers, void *ibuf,
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):