[sorry for the top post - you would think Android would have a better mail client]

If the first patch is needed then kvm-events will not work with older, unpatched kernels. That's a big limitation from a perf perpective.

David

Sent from my ASUS Eee Pad

Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> wrote:

>On 02/13/2012 11:04 AM, David Ahern wrote:
>
>> Compile fails on Fedora 16, x86_64 with latest tip-perf-core branch:
>> 
>> 
>> In file included from builtin-kvm-events.c:19:0:
>> ../../arch/x86/include/asm/svm.h:133:1: error: packed attribute is
>> unnecessary for ‘vmcb_seg’ [-Werror=packed]
>> ../../arch/x86/include/asm/svm.h:178:1: error: packed attribute is
>> unnecessary for ‘vmcb_save_area’ [-Werror=packed]
>> ../../arch/x86/include/asm/svm.h:183:1: error: packed attribute is
>> unnecessary for ‘vmcb’ [-Werror=packed]
>> In file included from builtin-kvm-events.c:20:0:
>> ../../arch/x86/include/asm/vmx.h:334:0: error: "REG_R8" redefined [-Werror]
>> /usr/include/sys/ucontext.h:46:0: note: this is the location of the
>> previous definition
>> ../../arch/x86/include/asm/vmx.h:335:0: error: "REG_R9" redefined [-Werror]
>> /usr/include/sys/ucontext.h:48:0: note: this is the location of the
>> previous definition
>> ../../arch/x86/include/asm/vmx.h:336:0: error: "REG_R10" redefined [-Werror]
>> /usr/include/sys/ucontext.h:50:0: note: this is the location of the
>> previous definition
>> ../../arch/x86/include/asm/vmx.h:337:0: error: "REG_R11" redefined [-Werror]
>> /usr/include/sys/ucontext.h:52:0: note: this is the location of the
>> previous definition
>> ../../arch/x86/include/asm/vmx.h:338:0: error: "REG_R12" redefined [-Werror]
>> /usr/include/sys/ucontext.h:54:0: note: this is the location of the
>> previous definition
>> ../../arch/x86/include/asm/vmx.h:339:0: error: "REG_R13" redefined [-Werror]
>> /usr/include/sys/ucontext.h:56:0: note: this is the location of the
>> previous definition
>> ../../arch/x86/include/asm/vmx.h:340:0: error: "REG_R14" redefined [-Werror]
>> /usr/include/sys/ucontext.h:58:0: note: this is the location of the
>> previous definition
>> ../../arch/x86/include/asm/vmx.h:341:0: error: "REG_R15" redefined [-Werror]
>> /usr/include/sys/ucontext.h:60:0: note: this is the location of the
>> previous definition
>> ../../arch/x86/include/asm/vmx.h:443:13: error: expected declaration
>> specifiers or ‘...’ before numeric constant
>> In file included from builtin-kvm-events.c:21:0:
>> ../../arch/x86/include/asm/kvm_host.h:15:22: fatal error: linux/mm.h: No
>> such file or directory
>> cc1: all warnings being treated as errors
>> 
>
>
>The first patch(patch 1/3) should be applied!
>
>Thank you, David! :)
>
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