On Tue, Jan 12, 2021 at 04:46:40PM +0100, Arnd Bergmann wrote: > From: Arnd Bergmann <[email protected]> > > 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 <[email protected]>
Reviewed-by: Nathan Chancellor <[email protected]> > --- > arch/arm/kernel/vmlinux-xip.lds.S | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/arch/arm/kernel/vmlinux-xip.lds.S > b/arch/arm/kernel/vmlinux-xip.lds.S > index 4d0b0cd9222e..ddb70c65d525 100644 > --- a/arch/arm/kernel/vmlinux-xip.lds.S > +++ b/arch/arm/kernel/vmlinux-xip.lds.S > @@ -43,6 +43,10 @@ SECTIONS > ARM_DISCARD > *(.alt.smp.init) > *(.pv_table) > +#ifndef CONFIG_ARM_UNWIND > + *(.ARM.exidx) *(.ARM.exidx.*) > + *(.ARM.extab) *(.ARM.extab.*) > +#endif > } > > . = XIP_VIRT_ADDR(CONFIG_XIP_PHYS_ADDR); > -- > 2.29.2 >
