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</o:shapelayout></xml><![endif]--></head><body lang=SV link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hi<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I have seen a problem when it comes to the number of cpus for ARM (32-bits).<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>static int<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>arm_get_smp_cpus(void)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>{<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> return MAX(get_cpus_active(), get_cpus_online());<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>}<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>In one of my example, “help –k” gives me:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> cpu_possible_map: 0 1 2 3 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> cpu_present_map: 0 1 2 3 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> cpu_online_map: 0 3 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> cpu_active_map: 3 <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>So the number of cpus will become 2. However there are code in a number of places that will then only accept cpu 0 and 1 as cpus to handle.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>When I changed to code to be the same as for ARM64 things worked as expected:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>static int<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>arm_get_smp_cpus(void)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>{<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US> return MAX(get_cpus_online(), get_highest_cpu_online()+1);<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>}<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Jan<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal style='mso-line-height-alt:10.5pt'><b><span lang=EN-US style='font-family:"Arial","sans-serif";color:black'>Jan Karlsson</span></b><span lang=EN-US style='font-family:"Arial","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal style='line-height:10.5pt'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Senior Software Engineer<o:p></o:p></span></p><p class=MsoNormal style='line-height:10.5pt'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>System Assurance<o:p></o:p></span></p><p class=MsoNormal style='line-height:10.5pt'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222'><o:p> </o:p></span></p><p class=MsoNormal style='line-height:10.5pt'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222'>Sony Mobile Communications<o:p></o:p></span></b></p><p class=MsoNormal style='line-height:10.5pt'><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222'>Tel: +46 703 062 174<o:p></o:p></span></p><p class=MsoNormal style='line-height:10.5pt'><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222'><a href="mailto:Firstname.Lastname@sonymobile.com"><span style='color:blue'>jan.karlsson@sonymobile.com</span></a><o:p></o:p></span></p><p class=MsoNormal style='line-height:10.5pt'><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#222222'><o:p> </o:p></span></p><p class=MsoNormal style='mso-line-height-alt:10.5pt'><span style='color:#1F497D'><a href="http://sonymobile.com/"><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#002AFF'>sonymobile.com</span></a></span><span lang=EN-US style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal style='mso-line-height-alt:10.5pt'><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal style='mso-line-height-alt:10.5pt'><span style='color:#1F497D'><img border=0 width=84 height=15 id="Picture_x0020_1" src="cid:image001.gif@01CFE865.529F8280" alt="Sony logotype_23px height_Email_144dpi"></span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#002AFF'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>