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 30fda0a4a347695ea7f5b00b712cbb450edae1e1..04cc762015a7230a1184d647c705eb36d1aaef93 100644 (file)
--- 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)