Glibc on aarch64 has a memory tagging option that can be enabled via GLIBC_TUNABLES="glibc.mem.tagging=$SOMETHING" when glibc is built with memory tagging support and the kernel/HW supports MTE. There should be no side effects unless the user turns it on with approprate HW support
Linux 5.4 headers and binutils 2.33.1 or newer is needed. Signed-off-by: Khem Raj <[email protected]> --- v2: Rebased meta/recipes-core/glibc/glibc_2.33.bb | 1 + 1 file changed, 1 insertion(+) diff --git a/meta/recipes-core/glibc/glibc_2.33.bb b/meta/recipes-core/glibc/glibc_2.33.bb index 75a1f36d6b..c805755bb9 100644 --- a/meta/recipes-core/glibc/glibc_2.33.bb +++ b/meta/recipes-core/glibc/glibc_2.33.bb @@ -95,6 +95,7 @@ EXTRA_OECONF += "${@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" -- 2.31.1
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