glibc: Enable memory tagging for aarch64

Glibc on aarch64 has a memory tagging option that can be enabled
via GLIBC_TUNABLES="glibc.mem.tagging=$SOMETHING" when glibc
is built with memory tagging support and the kernel/HW supports
MTE. There should be no side effects unless the user turns it
on with approprate HW support

Linux 5.4 headers and binutils 2.33.1 or newer is needed.

(From OE-Core rev: f6521f85f783dc7565eb0c0046de59aa945423e5)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Khem Raj 2021-05-23 07:45:32 -07:00 committed by Richard Purdie
parent 33d1dbeeba
commit a93e743e21

View File

@ -90,6 +90,7 @@ EXTRA_OECONF += "${@get_libc_fpu_setting(bb, d)}"
EXTRA_OECONF_append_x86 = " --enable-cet"
EXTRA_OECONF_append_x86-64 = " --enable-cet"
EXTRA_OECONF_append_aarch64 = " --enable-memory-tagging"
PACKAGECONFIG ??= "nscd"
PACKAGECONFIG[nscd] = "--enable-nscd,--disable-nscd"