[PATCH 07/10] compiler*.h: sync include/linux/compiler*.h with Linux 5.7-rc5

[Jagan Teki]

On Thu, May 14, 2020 at 6:03 PM Tom Rini <trini at konsulko.com> wrote:
>
> Copy these from Linux v5.7-rc5 tag.
>
> This brings in some handy new attributes and is otherwise important to
> keep in sync.
>
> We drop the reference to smp_read_barrier_depends() as it is not
> relevant on the architectures we support at this time, based on where
> it's implemented in Linux today.  We drop the call to kasan_check_read()
> as that is not relevant to U-Boot as well.
>
> Cc: Masahiro Yamada <yamada.masahiro at socionext.com>
> Signed-off-by: Tom Rini <trini at konsulko.com>
> ---

Look like this make build failure if we disable the default
configuration. Kind of bistability issue indeed.

For example, If we disable CONFIG_RAM_ROCKCHIP_DEBUG (which is enabled
by default) make build failure.

Build error log:

drivers/ram/rockchip/sdram_common.o: In function `sdram_print_dram_type':
/w/u-boot/./arch/arm/include/asm/arch-rockchip/sdram_common.h:120:
multiple definition of `sdram_print_dram_type'
drivers/ram/rockchip/sdram_rk3399.o:/w/u-boot/./arch/arm/include/asm/arch-rockchip/sdram_common.h:120:
first defined here
drivers/ram/rockchip/sdram_common.o: In function `sdram_print_dram_type':
/w/u-boot/./arch/arm/include/asm/arch-rockchip/sdram_common.h:120:
multiple definition of `sdram_print_ddr_info'
drivers/ram/rockchip/sdram_rk3399.o:/w/u-boot/drivers/ram/rockchip/sdram_rk3399.c:3175:
first defined here
drivers/ram/rockchip/sdram_common.o: In function `sdram_print_dram_type':
/w/u-boot/./arch/arm/include/asm/arch-rockchip/sdram_common.h:120:
multiple definition of `sdram_print_stride'
drivers/ram/rockchip/sdram_rk3399.o:/w/u-boot/drivers/ram/rockchip/sdram_rk3399.c:3175:
first defined here
make[3]: *** [scripts/Makefile.build:342:
drivers/ram/rockchip/built-in.o] Error 1
make[2]: *** [scripts/Makefile.build:419: drivers/ram/rockchip] Error 2

Any clue?

Jagan.