linux-kernel - rcutorture initrd/nolibc build on ARMv8?

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Date:   Tue, 19 Jan 2021 07:31:47 -0800
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     w@....eu
Cc:     linux-kernel@...r.kernel.org, valentin.schneider@....com,
        mark.rutland@....com
Subject: rcutorture initrd/nolibc build on ARMv8?

Hello, Willy,

Some people are having trouble running rcutorture on ARMv8.  They
get things like this from the nolibc build of initrd:

https://paste.debian.net/1181762/

The nolibc.h file says this:

/* Some archs (at least aarch64) don't expose the regular syscalls anymore by
 * default, either because they have an "_at" replacement, or because there are
 * more modern alternatives. For now we'd rather still use them.
 */

Are these build failures expected behavior on ARMv8?

							Thanx, Paul