[PATCH] ARM: fix memset64() on big-endian

[Arnd Bergmann]

On Fri, Jan 2, 2026, at 08:15, Thomas Weißschuh wrote:
> On big-endian systems the 32-bit low and high halves need to be swapped,
> for the underlying assembly implemenation to work correctly.
>
> Fixes: fd1d362600e2 ("ARM: implement memset32 & memset64")
> Cc: stable at vger.kernel.org
> Signed-off-by: Thomas Weißschuh <thomas.weissschuh at linutronix.de>
> ---
> Found by the string_test_memset64 KUnit test.

Good catch! I guess that likely means you are the first one to
run kunit test on armbe since the tests got added. Did you find
any other differences between BE and LE kernels running kunit?

Reviewed-by: Arnd Bergmann <arnd at arndb.de>