Update vendored dependencies (#147)

* Prepare readme for release

* Update vendored packages

* New version of dns dependency handles rejecting UPDATEs under the hood

* Go 1.11 required

vendor/github.com/klauspost/cpuid/.travis.yml

@@ -6,10 +6,9 @@ os:
   - linux
   - osx  
 go:
-  - 1.5.x
-  - 1.6.x
-  - 1.7.x
   - 1.8.x
+  - 1.9.x
+  - 1.10.x
   - master
 
 script: 

vendor/github.com/klauspost/cpuid/CONTRIBUTING.txt

@@ -0,0 +1,35 @@
+Developer Certificate of Origin
+Version 1.1
+
+Copyright (C) 2015- Klaus Post & Contributors.
+Email: klauspost@gmail.com
+
+Everyone is permitted to copy and distribute verbatim copies of this
+license document, but changing it is not allowed.
+
+
+Developer's Certificate of Origin 1.1
+
+By making a contribution to this project, I certify that:
+
+(a) The contribution was created in whole or in part by me and I
+    have the right to submit it under the open source license
+    indicated in the file; or
+
+(b) The contribution is based upon previous work that, to the best
+    of my knowledge, is covered under an appropriate open source
+    license and I have the right under that license to submit that
+    work with modifications, whether created in whole or in part
+    by me, under the same open source license (unless I am
+    permitted to submit under a different license), as indicated
+    in the file; or
+
+(c) The contribution was provided directly to me by some other
+    person who certified (a), (b) or (c) and I have not modified
+    it.
+
+(d) I understand and agree that this project and the contribution
+    are public and that a record of the contribution (including all
+    personal information I submit with it, including my sign-off) is
+    maintained indefinitely and may be redistributed consistent with
+    this project or the open source license(s) involved.

vendor/github.com/klauspost/cpuid/cpuid.go

@@ -76,6 +76,8 @@ const (
 	RDTSCP                  // RDTSCP Instruction
 	CX16                    // CMPXCHG16B Instruction
 	SGX                     // Software Guard Extensions
+	IBPB                    // Indirect Branch Restricted Speculation (IBRS) and Indirect Branch Predictor Barrier (IBPB)
+	STIBP                   // Single Thread Indirect Branch Predictors
 
 	// Performance indicators
 	SSE2SLOW // SSE2 is supported, but usually not faster
@@ -131,6 +133,8 @@ var flagNames = map[Flags]string{
 	RDTSCP:      "RDTSCP",      // RDTSCP Instruction
 	CX16:        "CX16",        // CMPXCHG16B Instruction
 	SGX:         "SGX",         // Software Guard Extensions
+	IBPB:        "IBPB",        // Indirect Branch Restricted Speculation and Indirect Branch Predictor Barrier
+	STIBP:       "STIBP",       // Single Thread Indirect Branch Predictors
 
 	// Performance indicators
 	SSE2SLOW: "SSE2SLOW", // SSE2 supported, but usually not faster
@@ -450,7 +454,7 @@ func (c CPUInfo) CX16() bool {
 // TSX is split into HLE (Hardware Lock Elision) and RTM (Restricted Transactional Memory) detection.
 // So TSX simply checks that.
 func (c CPUInfo) TSX() bool {
-	return c.Features&(MPX|RTM) == MPX|RTM
+	return c.Features&(HLE|RTM) == HLE|RTM
 }
 
 // Atom indicates an Atom processor
@@ -854,7 +858,7 @@ func support() Flags {
 
 	// Check AVX2, AVX2 requires OS support, but BMI1/2 don't.
 	if mfi >= 7 {
-		_, ebx, ecx, _ := cpuidex(7, 0)
+		_, ebx, ecx, edx := cpuidex(7, 0)
 		if (rval&AVX) != 0 && (ebx&0x00000020) != 0 {
 			rval |= AVX2
 		}
@@ -888,6 +892,12 @@ func support() Flags {
 		if ebx&(1<<29) != 0 {
 			rval |= SHA
 		}
+		if edx&(1<<26) != 0 {
+			rval |= IBPB
+		}
+		if edx&(1<<27) != 0 {
+			rval |= STIBP
+		}
 
 		// Only detect AVX-512 features if XGETBV is supported
 		if c&((1<<26)|(1<<27)) == (1<<26)|(1<<27) {

vendor/github.com/klauspost/cpuid/private/cpuid.go

@@ -70,6 +70,8 @@ const (
 	rdtscp                  // RDTSCP Instruction
 	cx16                    // CMPXCHG16B Instruction
 	sgx                     // Software Guard Extensions
+	ibpb                    // Indirect Branch Restricted Speculation (IBRS) and Indirect Branch Predictor Barrier (IBPB)
+	stibp                   // Single Thread Indirect Branch Predictors
 
 	// Performance indicators
 	sse2slow // SSE2 is supported, but usually not faster
@@ -125,6 +127,8 @@ var flagNames = map[flags]string{
 	rdtscp:      "RDTSCP",      // RDTSCP Instruction
 	cx16:        "CX16",        // CMPXCHG16B Instruction
 	sgx:         "SGX",         // Software Guard Extensions
+	ibpb:        "IBPB",        // Indirect Branch Restricted Speculation and Indirect Branch Predictor Barrier
+	stibp:       "STIBP",       // Single Thread Indirect Branch Predictors
 
 	// Performance indicators
 	sse2slow: "SSE2SLOW", // SSE2 supported, but usually not faster
@@ -848,7 +852,7 @@ func support() flags {
 
 	// Check AVX2, AVX2 requires OS support, but BMI1/2 don't.
 	if mfi >= 7 {
-		_, ebx, ecx, _ := cpuidex(7, 0)
+		_, ebx, ecx, edx := cpuidex(7, 0)
 		if (rval&avx) != 0 && (ebx&0x00000020) != 0 {
 			rval |= avx2
 		}
@@ -882,6 +886,12 @@ func support() flags {
 		if ebx&(1<<29) != 0 {
 			rval |= sha
 		}
+		if edx&(1<<26) != 0 {
+			rval |= ibpb
+		}
+		if edx&(1<<27) != 0 {
+			rval |= stibp
+		}
 
 		// Only detect AVX-512 features if XGETBV is supported
 		if c&((1<<26)|(1<<27)) == (1<<26)|(1<<27) {