[dev.fuzz] all: merge master into dev.fuzz

Change-Id: I5d8c8329ccc9d747bd81ade6b1cb7cb8ae2e94b2

1 files changed, 1 insertions, 13 deletions

diff --git a/src/runtime/os_linux_arm64.go b/src/runtime/os_linux_arm64.go
index 19968dc164..c5fd742048 100644
--- a/src/runtime/os_linux_arm64.go
+++ b/src/runtime/os_linux_arm64.go
@@ -11,19 +11,7 @@ import "internal/cpu"
 func archauxv(tag, val uintptr) {
 	switch tag {
 	case _AT_HWCAP:
-		// arm64 doesn't have a 'cpuid' instruction equivalent and relies on
-		// HWCAP/HWCAP2 bits for hardware capabilities.
-		hwcap := uint(val)
-		if GOOS == "android" {
-			// The Samsung S9+ kernel reports support for atomics, but not all cores
-			// actually support them, resulting in SIGILL. See issue #28431.
-			// TODO(elias.naur): Only disable the optimization on bad chipsets.
-			const hwcap_ATOMICS = 1 << 8
-			hwcap &= ^uint(hwcap_ATOMICS)
-		}
-		cpu.HWCap = hwcap
-	case _AT_HWCAP2:
-		cpu.HWCap2 = uint(val)
+		cpu.HWCap = uint(val)
 	}
 }