From: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Tue, 14 Dec 2021 11:15:07 +0000 (+0000)
Subject: aarch64: Add HWCAP2_ECV from Linux 5.16
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c108e87026d61d6744e3e55704e0bea937243f5a;p=thirdparty%2Fglibc.git

aarch64: Add HWCAP2_ECV from Linux 5.16

Indicates the availability of enhanced counter virtualization extension
of armv8.6-a with self-synchronized virtual counter CNTVCTSS_EL0 usable
in userspace.

(cherry picked from commit 5a1be8ebdf6f02d4efec6e5f12ad06db17511f90)
---

diff --git a/sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h b/sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h
index 30fda0a4a34..04cc762015a 100644
--- a/sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h
+++ b/sysdeps/unix/sysv/linux/aarch64/bits/hwcap.h
@@ -74,3 +74,4 @@
 #define HWCAP2_RNG		(1 << 16)
 #define HWCAP2_BTI		(1 << 17)
 #define HWCAP2_MTE		(1 << 18)
+#define HWCAP2_ECV		(1 << 19)