Re: [PATCH] compiler: allow all arches to enable CONFIG_OPTIMIZE_INLINING

[Arnd Bergmann]

On Wed, Mar 20, 2019 at 10:41 AM Arnd Bergmann <arnd@xxxxxxxx> wrote:
>
> I've added your patch to my randconfig test setup and will let you
> know if I see anything noticeable. I'm currently testing clang-arm32,
> clang-arm64 and gcc-x86.

This is the only additional bug that has come up so far:

`.exit.text' referenced in section `.alt.smp.init' of
drivers/char/ipmi/ipmi_msghandler.o: defined in discarded section
`exit.text' of drivers/char/ipmi/ipmi_msghandler.o

diff --git a/arch/arm/kernel/atags.h b/arch/arm/kernel/atags.h
index 201100226301..84b12e33104d 100644
--- a/arch/arm/kernel/atags.h
+++ b/arch/arm/kernel/atags.h
@@ -5,7 +5,7 @@ void convert_to_tag_list(struct tag *tags);
 const struct machine_desc *setup_machine_tags(phys_addr_t __atags_pointer,
        unsigned int machine_nr);
 #else
-static inline const struct machine_desc *
+static __always_inline const struct machine_desc *
 setup_machine_tags(phys_addr_t __atags_pointer, unsigned int machine_nr)
 {
        early_print("no ATAGS support: can't continue\n");