Messages in this thread | | | From | Kees Cook <> | Date | Mon, 9 Jul 2018 11:06:02 -0700 | Subject | Re: Build/qemu test results for v4.18-rc4 |
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On Mon, Jul 9, 2018 at 10:55 AM, Guenter Roeck <linux@roeck-us.net> wrote: > s390:allmodconfig: > > arch/s390/kernel/als.o: In function `verify_facilities': > als.c:(.init.text+0x24): undefined reference to `latent_entropy' > als.c:(.init.text+0xae): undefined reference to `latent_entropy' > make[3]: *** [arch/s390/boot/compressed/vmlinux] Error 1 > make[2]: *** [arch/s390/boot/compressed/vmlinux] Error 2 > make[1]: *** [bzImage] Error 2 > > This problem is only seen when using a compiler which has the relevant > plugins enabled. Bisect points to commit 1658dcee3d43ed ("gcc-plugins: > allow to enable GCC_PLUGINS for COMPILE_TEST") as the culprit. I don't > know if a fix for v4.18 has been submitted. The s390 boot code in -next > has been rearranged and the problem is no longer seen there.
Hm, that would imply that mm/page_alloc.o wasn't visible during the als.o linking? But ... if the problem is gone, I guess... good?
-Kees
-- Kees Cook Pixel Security
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