And I can find "system.h" in the path of " /usr/src/linux-headers-3.11.0-20-generic/arch/arm/include/asm ". jinzhao@wingtech.com From: jinzhao@wingtech.com Date: 2014-06-03 16:24 To: Varka Bhadram; kernelnewbies Subject: Re: Re: can't find <asm/system.h> The kernel version is 3.11.0-20-generic jinzhao@wingtech.com From: Varka Bhadram Date: 2014-06-03 16:20 To: kernelnewbies; jinzhao Subject: Re: can't find <asm/system.h> What is the kernel version that your are using? If the kernel version > 3.3 #inclued asm/switch_to.h [0] else #include <asm/system.h> [1] Regards, Varka Bhadram [0] : http://lxr.free-electrons.com/source/arch/x86/include/asm/switch_to.h?v=3.4 [1] : http://lxr.free-electrons.com/source/arch/x86/include/asm/system.h?v=3.3 On June 3, 2014 at 11:53 AM "jinzhao@wingtech.com" <jinzhao@wingtech.com> wrote: Dears: My system is ubuntu 12.04. In my code, I include the file <asm/system.h>, but when compiling the code, show the error as "can't find the file or directory asm/system.h". Why?? Thanks! _______________________________________________ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies ------------------------------------------------------------------------------------------------------------------------------- [ C-DAC is on Social-Media too. Kindly follow us at: Facebook: https://www.facebook.com/CDACINDIA & Twitter: @cdacindia ] This e-mail is for the sole use of the intended recipient(s) and may contain confidential and privileged information. If you are not the intended recipient, please contact the sender by reply e-mail and destroy all copies and the original message. Any unauthorized review, use, disclosure, dissemination, forwarding, printing or copying of this email is strictly prohibited and appropriate legal action will be taken. ------------------------------------------------------------------------------------------------------------------------------- __________ Information from ESET NOD32 Antivirus, version of virus signature database 9883 (20140602) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com