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Date: Sat, 26 Sep 2015 11:42:56 +0800 From: Pengyu Ma <pengyu.ma@...driver.com> To: Jacob Pan <jacob.jun.pan@...ux.intel.com> CC: "Rafael J. Wysocki" <rjw@...ysocki.net>, <rafael.j.wysocki@...el.com>, <linux-kernel@...r.kernel.org>, "Box, David E" <david.e.box@...el.com>, "Anvin, H Peter" <h.peter.anvin@...el.com> Subject: Re: [PATCH] powercap / RAPL : remove dependency on iosf_mbi $ 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. Pengyu On 09/25/2015 12:33 AM, Jacob Pan wrote: > On Thu, 24 Sep 2015 18:03:32 +0800 > Pengyu Ma <pengyu.ma@...driver.com> 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. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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