On Sat, 26 Sep 2015 11:42:56 +0800 Pengyu Ma <[email protected]> wrote:
> $ objdump --dwarf drivers/powercap/intel_rapl.o |grep iosf > <65ad> DW_AT_name : (indirect string, offset: 0x3644): > iosf_mbi_read > <65f7> DW_AT_name : (indirect string, offset: 0x496): > iosf_mbi_write > 5 3 0 0 iosf_mbi.h > 0x00000490 656c5f69 6400696f 73665f6d 62695f77 el_id.iosf_mbi_w > 0x00003640 72656700 696f7366 5f6d6269 5f726561 reg.iosf_mbi_rea > > $ grep -i iosf_mbi .config > # CONFIG_IOSF_MBI is not set > > It is compiled and included by header file. > Please refer to this table from my earlier email. Pasted below. RAPL\IOSF Y M N >> ___________________________________________________ >> Y OK DC* Warn on Atom** >> M OK OK Warn on Atom >> N OK OK OK >> ___________________________________________________ *DC = don't compile. The problem is the case when RAPL=y, IOSF=m. Jacob > Pengyu > > On 09/25/2015 12:33 AM, Jacob Pan wrote: > > On Thu, 24 Sep 2015 18:03:32 +0800 > > Pengyu Ma <[email protected]> wrote: > > > >>> So the problematic case is when RAPL=Y IOSF=M > >>> Since real IOSF functions are available when > >>> #if IS_ENABLED(CONFIG_IOSF_MBI) > >>> There will be no dummy functions for RAPL to reference in this > >>> case. > >> iosf_mbi_write/read will warn itself. > > it does not compile. > [Jacob Pan] -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
