compile error

compile error

[Zhao, Yunfeng]

[-- Attachment #1.1: Type: text/plain, Size: 843 bytes --]

I met an error when i build latest KVM on rhel5.

Seems asm/cmpxchg.h is not in the kernel before 2.6.22.

How can I fix the issue?

 

 

make -C kernel

make[1]: Entering directory `/tmp/tmp/kvm-userspace/kernel'

make -C /lib/modules/2.6.18-8.el5/build M=`pwd` "$@"

make[2]: Entering directory `/usr/src/kernels/2.6.18-8.el5-x86_64'

  CC [M]  /tmp/tmp/kvm-userspace/kernel/mmu.o

/tmp/tmp/kvm-userspace/kernel/mmu.c:25:25: error: asm/cmpxchg.h: No such
file or directory

make[3]: *** [/tmp/tmp/kvm-userspace/kernel/mmu.o] Error 1

make[2]: *** [_module_/tmp/tmp/kvm-userspace/kernel] Error 2

make[2]: Leaving directory `/usr/src/kernels/2.6.18-8.el5-x86_64'

make[1]: *** [all] Error 2

make[1]: Leaving directory `/tmp/tmp/kvm-userspace/kernel'

make: *** [kernel] Error 2

 

thanks

Yunfeng


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Re: compile error

[Avi Kivity]

Zhao, Yunfeng wrote:
>
> I met an error when i build latest KVM on rhel5.
>
> Seems asm/cmpxchg.h is not in the kernel before 2.6.22.
>
> How can I fix the issue?
>
>  
>

Add a kernel/include/linux/asm/cmpxchg.h, which defines set_64bit() for
both i386 and x86_64.



-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.


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Compile error

[Dong, Eddie]

I saw compiler error at current head, does anybody else see too?
41ac4b23696b12fec15191969bc18da42359861d



make -C /lib/modules/2.6.21-rc3/build M=`pwd` "$@"
make[1]: Entering directory `/root/linux-2.6.21-rc3'
  LD      /root/work2/5th/kvm-userspace/kernel/built-in.o
  CC [M]  /root/work2/5th/kvm-userspace/kernel/svm.o
  CC [M]  /root/work2/5th/kvm-userspace/kernel/vmx.o
  CC [M]  /root/work2/5th/kvm-userspace/kernel/vmx-debug.o
  CC [M]  /root/work2/5th/kvm-userspace/kernel/kvm_main.o
/root/work2/5th/kvm-userspace/kernel/kvm_main.c:46:31:
linux/anon_inodes.h: No such file or directory
/root/work2/5th/kvm-userspace/kernel/kvm_main.c: In function
`create_vcpu_fd':
/root/work2/5th/kvm-userspace/kernel/kvm_main.c:2366: warning: implicit
declaration of function `anon_inode_getfd'
make[2]: *** [/root/work2/5th/kvm-userspace/kernel/kvm_main.o] Error 1
make[1]: *** [_module_/root/work2/5th/kvm-userspace/kernel] Error 2
make[1]: Leaving directory `/root/linux-2.6.21-rc3'
make: *** [all] Error 2

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Re: Compile error

[Dor Laor]

>I saw compiler error at current head, does anybody else see too?
>41ac4b23696b12fec15191969bc18da42359861d
>
>
>
>make -C /lib/modules/2.6.21-rc3/build M=`pwd` "$@"
>make[1]: Entering directory `/root/linux-2.6.21-rc3'
>  LD      /root/work2/5th/kvm-userspace/kernel/built-in.o
>  CC [M]  /root/work2/5th/kvm-userspace/kernel/svm.o
>  CC [M]  /root/work2/5th/kvm-userspace/kernel/vmx.o
>  CC [M]  /root/work2/5th/kvm-userspace/kernel/vmx-debug.o
>  CC [M]  /root/work2/5th/kvm-userspace/kernel/kvm_main.o
>/root/work2/5th/kvm-userspace/kernel/kvm_main.c:46:31:
>linux/anon_inodes.h: No such file or directory
>/root/work2/5th/kvm-userspace/kernel/kvm_main.c: In function
>`create_vcpu_fd':
>/root/work2/5th/kvm-userspace/kernel/kvm_main.c:2366: warning: implicit
>declaration of function `anon_inode_getfd'
>make[2]: *** [/root/work2/5th/kvm-userspace/kernel/kvm_main.o] Error 1
>make[1]: *** [_module_/root/work2/5th/kvm-userspace/kernel] Error 2
>make[1]: Leaving directory `/root/linux-2.6.21-rc3'
>make: *** [all] Error 2


This is the latest change of dropping kvmfs in favor of
anon_inode_getfd.
A matching code should be added to the external_kernel_compat.h file so
older kernels without anonfs could be used.

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Compile error

[Zhao, Yunfeng]

I meet the error below when I compile KVM module against
30dac03825e830641054a829fe99ff6d1f2ebe0d. The kernel is 2.6.22-rc4.

+ make -C kernel
make[1]: Entering directory
`/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20070708190117/kvm-users
pace/BUILD/kernel'
make -j20 -C /lib/modules/2.6.22-rc4/build M=`pwd` "$@"
make[2]: Entering directory
`/usr/src/redhat/BUILD/kernel-2.6.22rc4g85f6038f'
  LD
/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20070708190117/kvm-usersp
ace/BUILD/kernel/built-in.o
  CC [M]
/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20070708190117/kvm-usersp
ace/BUILD/kernel/svm.o
  CC [M]
/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20070708190117/kvm-usersp
ace/BUILD/kernel/vmx.o
  CC [M]
/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20070708190117/kvm-usersp
ace/BUILD/kernel/vmx-debug.o
  CC [M]
/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20070708190117/kvm-usersp
ace/BUILD/kernel/kvm_main.o
  CC [M]
/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20070708190117/kvm-usersp
ace/BUILD/kernel/mmu.o
  CC [M]
/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20070708190117/kvm-usersp
ace/BUILD/kernel/x86_emulate.o
  CC [M]
/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20070708190117/kvm-usersp
ace/BUILD/kernel/anon_inodes.o
/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20070708190117/kvm-usersp
ace/BUILD/kernel/kvm_main.c: In function 'kvm_cpu_hotplug':
/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20070708190117/kvm-usersp
ace/BUILD/kernel/kvm_main.c:3007: error: 'CPU_DYING' undeclared (first
use in this function)
/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20070708190117/kvm-usersp
ace/BUILD/kernel/kvm_main.c:3007: error: (Each undeclared identifier is
reported only once
/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20070708190117/kvm-usersp
ace/BUILD/kernel/kvm_main.c:3007: error: for each function it appears
in.)
/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20070708190117/kvm-usersp
ace/BUILD/kernel/kvm_main.c:3008: error: 'CPU_DYING_FROZEN' undeclared
(first use in this function)
/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20070708190117/kvm-usersp
ace/BUILD/kernel/kvm_main.c:3013: warning: implicit declaration of
function 'on_cpu'
make[3]: ***
[/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20070708190117/kvm-users
pace/BUILD/kernel/kvm_main.o] Error 1
make[3]: *** Waiting for unfinished jobs....

How can I fix this issue?


Thanks
Yunfeng

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Re: Compile error

[Avi Kivity]

Zhao, Yunfeng wrote:
> I meet the error below when I compile KVM module against
> 30dac03825e830641054a829fe99ff6d1f2ebe0d. The kernel is 2.6.22-rc4.
> /workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20070708190117/kvm-usersp
> ace/BUILD/kernel/kvm_main.c: In function 'kvm_cpu_hotplug':
> /workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20070708190117/kvm-usersp
> ace/BUILD/kernel/kvm_main.c:3007: error: 'CPU_DYING' undeclared (first
> use in this function)
>   

> How can I fix this issue?
>
>   

Pull from kvm-userspace.git; I forgot to push the last userspace changes.

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.


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compile error

[Zhao, Yunfeng]

Today's tip fails to compile with following error messages:


/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20080109010121401/kvm-use
rspace/qemu/../libkvm  -DCONFIG_X86 -Wall -O2 -g -fno-strict-aliasing
-I.
-I/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20080109010121401/kvm-u
serspace/qemu -MMD -MP -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64
-D_LARGEFILE_SOURCE
-I/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20080109010121401/kvm-u
serspace/qemu/slirp -DQEMU_IMG    -c -o qemu-img-block-raw-posix.o
block-raw-posix.c
In file included from /usr/include/linux/cdrom.h:14,
                 from block-raw-posix.c:52:
/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20080109010121401/kvm-use
rspace/qemu/../libkvm/asm/byteorder.h:9: error: syntax error before
"__u64"
/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20080109010121401/kvm-use
rspace/qemu/../libkvm/asm/byteorder.h:15: error: syntax error before
"__u32"
make[1]: *** [qemu-img-block-raw-posix.o] Error 1
make[1]: Leaving directory
`/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20080109010121401/kvm-us
erspace/qemu'
make: *** [qemu] Error 2

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Re: compile error

[Avi Kivity]

Zhao, Yunfeng wrote:
> Today's tip fails to compile with following error messages:
>   

[...]

Fixed now.  Hollis, I had to revert your asm symlink patch to fix this, 
so we need to find an alternative solution to that problem.

-- 
error compiling committee.c: too many arguments to function


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Re: compile error

[Hollis Blanchard]

On Wed, 2008-01-09 at 10:39 +0200, Avi Kivity wrote:
> Zhao, Yunfeng wrote:
> > Today's tip fails to compile with following error messages:
> >   
> 
> [...]
> 
> Fixed now.  Hollis, I had to revert your asm symlink patch to fix this, 
> so we need to find an alternative solution to that problem.

qemu ends up including <asm/byteorder.h> from /usr.

libkvm, on the other hand, ends up including <asm/kvm.h> from the target
kernel tree.

Since the two components are meaning completely different things when
referring to the "asm" directory, we should use different include paths.
The best long-term solution would probably be to remove "-I
$(KERNELDIR)/include" from libkvm, and instead build against a copy of
the KVM headers (maybe copied over with that "make sync" target?).

Avi, I think you're responsible for all the build directory munging we
do currently; what do you think about that?

-- 
Hollis Blanchard
IBM Linux Technology Center


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Re: compile error

[Avi Kivity]

Hollis Blanchard wrote:
> On Wed, 2008-01-09 at 10:39 +0200, Avi Kivity wrote:
>   
>> Zhao, Yunfeng wrote:
>>     
>>> Today's tip fails to compile with following error messages:
>>>   
>>>       
>> [...]
>>
>> Fixed now.  Hollis, I had to revert your asm symlink patch to fix this, 
>> so we need to find an alternative solution to that problem.
>>     
>
> qemu ends up including <asm/byteorder.h> from /usr.
>
> libkvm, on the other hand, ends up including <asm/kvm.h> from the target
> kernel tree.
>
> Since the two components are meaning completely different things when
> referring to the "asm" directory, we should use different include paths.
> The best long-term solution would probably be to remove "-I
> $(KERNELDIR)/include" from libkvm, and instead build against a copy of
> the KVM headers (maybe copied over with that "make sync" target?).
>
> Avi, I think you're responsible for all the build directory munging we
> do currently; what do you think about that?
>   

I agree.

The traditional way is to build against installed headers; but we don't 
want to do that at this stage.  So your suggestion is the closest 
thing.  But we should make the sync target implicit so users don't have 
that additional step.

-- 
error compiling committee.c: too many arguments to function


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compile error

[Zhao, Yunfeng]

[-- Attachment #1.1: Type: text/plain, Size: 910 bytes --]

Today's IA32e KVM build fails, here is the error message:

libqemu.a(kvm-tpr-opt.o): In function `enable_vapic':

/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20080218000132559/kvm-use
rspace/qemu/kvm-tpr-opt.c:232: undefined reference to `kvm_enable_vapic'

libqemu.a(kvm-tpr-opt.o): In function `kvm_tpr_vcpu_start':

/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20080218000132559/kvm-use
rspace/qemu/kvm-tpr-opt.c:302: undefined reference to
`kvm_enable_tpr_access_reporting'

collect2: ld returned 1 exit status

make[2]: *** [qemu-system-x86_64] Error 1

make[2]: Leaving directory
`/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20080218000132559/kvm-us
erspace/qemu/x86_64-softmmu'

make[1]: *** [subdir-x86_64-softmmu] Error 2

make[1]: Leaving directory
`/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20080218000132559/kvm-us
erspace/qemu'

make: *** [qemu] Error 2


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Re: compile error

[Avi Kivity]

Zhao, Yunfeng wrote:
>
> Today’s IA32e KVM build fails, here is the error message:
>
> libqemu.a(kvm-tpr-opt.o): In function `enable_vapic':
>
> /workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20080218000132559/kvm-userspace/qemu/kvm-tpr-opt.c:232: 
> undefined reference to `kvm_enable_vapic'
>
> libqemu.a(kvm-tpr-opt.o): In function `kvm_tpr_vcpu_start':
>
> /workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20080218000132559/kvm-userspace/qemu/kvm-tpr-opt.c:302: 
> undefined reference to `kvm_enable_tpr_access_reporting'
>
> collect2: ld returned 1 exit status
>
> make[2]: *** [qemu-system-x86_64] Error 1
>
> make[2]: Leaving directory 
> `/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20080218000132559/kvm-userspace/qemu/x86_64-softmmu'
>
> make[1]: *** [subdir-x86_64-softmmu] Error 2
>
> make[1]: Leaving directory 
> `/workspace/ia32e/nightly/kvm-master-2.6.22-rc4-20080218000132559/kvm-userspace/qemu'
>
> make: *** [qemu] Error 2
>

I can't reproduce this with the last snapshot.  What commits hashes are 
you using?

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.


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Re: compile error

[Zhao, Yunfeng]

I am using TIP.
I found that if try to compile twice, the first time has no problem but
the second time (make clean&&./configure&&make) will meet the error.

>>
>
>I can't reproduce this with the last snapshot.  What commits hashes are
>you using?
>
>--
>Do not meddle in the internals of kernels, for they are subtle and
quick to panic.


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Re: compile error

[Avi Kivity]

Zhao, Yunfeng wrote:
> I am using TIP.
> I found that if try to compile twice, the first time has no problem but
> the second time (make clean&&./configure&&make) will meet the error.
>
>   

Yes, 'make clean' was too eager.  Fixed.

-- 
error compiling committee.c: too many arguments to function


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