Re: [PATCH v2] UML: pata_cs5536: fix build for X86_32 UML with TRACEPOINTS

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On 3/13/23 08:55, Randy Dunlap wrote:
> Current build of pata_cs5536 for i386 UML fails with:
> 
> ERROR: modpost: "__tracepoint_write_msr" [drivers/ata/pata_cs5536.ko] undefined!
> ERROR: modpost: "do_trace_write_msr" [drivers/ata/pata_cs5536.ko] undefined!
> ERROR: modpost: "__tracepoint_read_msr" [drivers/ata/pata_cs5536.ko] undefined!
> ERROR: modpost: "do_trace_read_msr" [drivers/ata/pata_cs5536.ko] undefined!
> 
> Add the arch/x86/lib/msr.o binary to resolve these undefined symbols.
> 
> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Cc: Richard Weinberger <richard@xxxxxx>
> Cc: Anton Ivanov <anton.ivanov@xxxxxxxxxxxxxxxxxx>
> Cc: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
> Cc: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>
> Cc: linux-ide@xxxxxxxxxxxxxxx
> Cc: linux-um@xxxxxxxxxxxxxxxxxxx
> Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> ---
>  arch/x86/um/Makefile |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff -- a/arch/x86/um/Makefile b/arch/x86/um/Makefile
> --- a/arch/x86/um/Makefile
> +++ b/arch/x86/um/Makefile
> @@ -21,7 +21,7 @@ obj-y += checksum_32.o syscalls_32.o
>  obj-$(CONFIG_ELF_CORE) += elfcore.o
>  
>  subarch-y = ../lib/string_32.o ../lib/atomic64_32.o ../lib/atomic64_cx8_32.o
> -subarch-y += ../lib/cmpxchg8b_emu.o ../lib/atomic64_386_32.o
> +subarch-y += ../lib/cmpxchg8b_emu.o ../lib/atomic64_386_32.o ../lib/msr.o
>  subarch-y += ../kernel/sys_ia32.o
>  
>  else

Looks OK to me.

Reviewed-by: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>

-- 
Damien Le Moal
Western Digital Research




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