Re: [PATCH] lib: fix build failure in CONFIG_DEBUG_VIRTUAL test

From: Michael Ellerman
Date: Wed Dec 12 2018 - 22:09:52 EST


Christophe Leroy <christophe.leroy@xxxxxx> writes:

> On several arches, virt_to_phys() is in io.h
>
> Build fails without it:
>
> CC lib/test_debug_virtual.o
> lib/test_debug_virtual.c: In function 'test_debug_virtual_init':
> lib/test_debug_virtual.c:26:7: error: implicit declaration of function 'virt_to_phys' [-Werror=implicit-function-declaration]
> pa = virt_to_phys(va);
> ^
>
> Fixes: e4dace361552 ("lib: add test module for CONFIG_DEBUG_VIRTUAL")
> CC: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxx>
> ---
> lib/test_debug_virtual.c | 1 +
> 1 file changed, 1 insertion(+)

I'm going to take this via the powerpc tree, because otherwise
Christophe's patch to implement CONFIG_DEBUG_VIRTUAL for powerpc will
break the build for us.

Hopefully no one minds :)

cheers