[PATCH] ARM: fix link warning with XIP + frame-pointer

[Kees Cook]

On Tue, Jan 12, 2021 at 04:46:40PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd at arndb.de>
> 
> When frame pointers are used instead of the ARM unwinder,
> and the kernel is built using clang with an external assembler
> and CONFIG_XIP_KERNEL, every file produces two warnings
> like:
> 
> arm-linux-gnueabi-ld: warning: orphan section `.ARM.extab' from `net/mac802154/util.o' being placed in section `.ARM.extab'
> arm-linux-gnueabi-ld: warning: orphan section `.ARM.exidx' from `net/mac802154/util.o' being placed in section `.ARM.exidx'
> 
> The same fix was already merged for the normal (non-XIP)
> linker script, with a longer description.
> 
> Fixes: c39866f268f8 ("arm/build: Always handle .ARM.exidx and .ARM.extab sections")
> Signed-off-by: Arnd Bergmann <arnd at arndb.de>

Reviewed-by: Kees Cook <keescook at chromium.org>

-- 
Kees Cook