From: John Wolfe <jwolfe@vmware.com>
Date: Fri, 9 Jul 2021 03:10:23 +0000 (-0700)
Subject: Common header file change not applicable to open-vm-tools.
X-Git-Tag: stable-12.0.0~159
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6e5c26b8bddbe7817d49b2f48dba6776e5d4f851;p=thirdparty%2Fopen-vm-tools.git

Common header file change not applicable to open-vm-tools.
---

diff --git a/open-vm-tools/lib/include/vm_basic_asm_arm64.h b/open-vm-tools/lib/include/vm_basic_asm_arm64.h
index 5b78ea6fa..b7caeb5cb 100644
--- a/open-vm-tools/lib/include/vm_basic_asm_arm64.h
+++ b/open-vm-tools/lib/include/vm_basic_asm_arm64.h
@@ -143,6 +143,36 @@ ISB(void)
 }
 
 
+/*
+ *----------------------------------------------------------------------
+ *
+ * ESB --
+ *
+ *      Error synchronization barrier.
+ *
+ *      Error synchronization event as per Arm ARM. NOP if ARMv8.2
+ *      RAS extensions are not implemented.
+ *
+ * Results:
+ *      None
+ *
+ * Side effects:
+ *      SError exception or DISR/VDISR getting updated.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static INLINE void
+ESB(void)
+{
+#if defined __GNUC__
+   asm volatile(".arch armv8.2-a\n\tesb" ::: "memory");
+#else
+#error No compiler defined for ESB
+#endif
+}
+
+
 /*
  * Memory Barriers
  * ===============