On Thu, Jan 08, 2026 at 07:05:42AM +0100, Christophe Leroy (CS GROUP) wrote: > Hi, > > Le 08/01/2026 à 06:16, Venkat a écrit : > > With this patch set, build fails. > > > > Failure logs: > > > > ld: init/main.o: in function `do_one_initcall': > > /root/linux/init/main.c:1384: undefined reference to `memcpy' > > I guess you have KASAN enabled ? > > See > https://lore.kernel.org/all/[email protected]/ > > This is because of commit 69d4c0d32186 ("entry, kasan, x86: Disallow > overriding mem*() functions") which changed the core behaviour in 2023 > without taking care of other architectures than x86 who was the only one > with CONFIG_GENERIC_ENTRY ? > > For powerpc the expected behaviour introduced in 2019 by commit 26deb04342e3 > ("powerpc: prepare string/mem functions for KASAN") needs to be modified the > same way to fit with the core change. > > Christophe Hey Christophe, Venkat
I am working on this. I'll send out a new revision soon. Regards, Mukesh
