linux-next: kvm tree build failure

linux-next: kvm tree build failure

[Stephen Rothwell]

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Hi Avi,

Today's linux-next build (x86_64 allmodconfig) failed like this:

arch/x86/kvm/svm.c: In function 'svm_set_msr':
arch/x86/kvm/svm.c:2152: error: 'MSR_K8_HWCR' undeclared (first use in this function)

Caused by commit 6878bf85dfc107cea4660f1167693c15754c1660 ("KVM:
Implement MSRs used by Hyper-V").  MSR_K8_HWCR was removed by commit
bf8b9a63c18a1a7777571650de0c9f4fd4368ca0 ("x86: msr-index.h remove
duplicate MSR C001_0015 declaration") which is now in Linus' tree (it
entered Linus' tree on Jun 10 via commit
7dc3ca39cb1e22eedbf1207ff9ac7bf682fc0f6d "Merge branch
'x86-cleanups-for-linus' of
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip").

I have used the version of the kvm tree from 20090617.
-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/

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Re: linux-next: kvm tree build failure

[Jaswinder Singh Rajput]

Hello Stephen,

On Thu, 2009-06-18 at 11:11 +1000, Stephen Rothwell wrote:
> Hi Avi,
> 
> Today's linux-next build (x86_64 allmodconfig) failed like this:
> 
> arch/x86/kvm/svm.c: In function 'svm_set_msr':
> arch/x86/kvm/svm.c:2152: error: 'MSR_K8_HWCR' undeclared (first use in this function)
> 
> Caused by commit 6878bf85dfc107cea4660f1167693c15754c1660 ("KVM:
> Implement MSRs used by Hyper-V").  MSR_K8_HWCR was removed by commit
> bf8b9a63c18a1a7777571650de0c9f4fd4368ca0 ("x86: msr-index.h remove
> duplicate MSR C001_0015 declaration") which is now in Linus' tree (it
> entered Linus' tree on Jun 10 via commit
> 7dc3ca39cb1e22eedbf1207ff9ac7bf682fc0f6d "Merge branch
> 'x86-cleanups-for-linus' of
> git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip").
> 
> I have used the version of the kvm tree from 20090617.

Can you try this patch :

[PATCH] KVM: use MSR_K7_HWCR for MSRC001_0015 Hardware Configuration Register (HWCR)

MSR_K8_MSR is removed as it is duplicating MSRC001_0015 Hardware
Configuration Register (HWCR), which is already defined as MSR_K7_HWCR

Fix x86_64 allmodconfig :

arch/x86/kvm/svm.c: In function 'svm_set_msr':
arch/x86/kvm/svm.c:2152: error: 'MSR_K8_HWCR' undeclared (first use in this function)

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
---
 arch/x86/kvm/svm.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index c283201..481010c 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -2149,7 +2149,7 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 data)
 		break;
 	case MSR_VM_CR:
 	case MSR_VM_IGNNE:
-	case MSR_K8_HWCR:
+	case MSR_K7_HWCR:
 		pr_unimpl(vcpu, "unimplemented wrmsr: 0x%x data 0x%llx\n", ecx, data);
 		break;
 	default:
-- 
1.6.0.6

Re: linux-next: kvm tree build failure

[Avi Kivity]

On 06/18/2009 07:25 AM, Jaswinder Singh Rajput wrote:
> [PATCH] KVM: use MSR_K7_HWCR for MSRC001_0015 Hardware Configuration Register (HWCR)
>
> MSR_K8_MSR is removed as it is duplicating MSRC001_0015 Hardware
> Configuration Register (HWCR), which is already defined as MSR_K7_HWCR
>
> Fix x86_64 allmodconfig :
>
> arch/x86/kvm/svm.c: In function 'svm_set_msr':
> arch/x86/kvm/svm.c:2152: error: 'MSR_K8_HWCR' undeclared (first use in this function)
>
>    

Applied, thanks.

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

linux-next: kvm tree build failure

[Stephen Rothwell]

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Hi Avi,

Today's linux-next build (x86_64 allmodconfig) failed like this:

usr/include/asm/kvm_para.h:5: included file 'asm-x86/hyperv.h' is not exported

Caused by commit 328aca1e523bedc49592bbdd65bedaa690b8df29 ("KVM:
Implement bare minimum of HYPER-V MSRs").

I have used the kvm tree from next-20100118 for today.
-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/

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Re: linux-next: kvm tree build failure

[Avi Kivity]

On 01/19/2010 03:42 AM, Stephen Rothwell wrote:
> Hi Avi,
>
> Today's linux-next build (x86_64 allmodconfig) failed like this:
>
> usr/include/asm/kvm_para.h:5: included file 'asm-x86/hyperv.h' is not exported
>
> Caused by commit 328aca1e523bedc49592bbdd65bedaa690b8df29 ("KVM:
> Implement bare minimum of HYPER-V MSRs").
>
> I have used the kvm tree from next-20100118 for today.
>    

Doh, I noticed it and forgot to port the commit to linux-next.

Marcelo, can you add 270d27e07d8 to the .34 queue?

(Stephen, please copy Marcelo on all kvm issues, we share maintainership 
by switching tree ownership at semi random points in time so I can't 
always do anything about the breakage personally).

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

Re: linux-next: kvm tree build failure

[Stephen Rothwell]

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Hi Avi,

On Tue, 19 Jan 2010 09:57:41 +0200 Avi Kivity <avi@redhat.com> wrote:
>
> Doh, I noticed it and forgot to port the commit to linux-next.
> 
> Marcelo, can you add 270d27e07d8 to the .34 queue?

OK, good.

> (Stephen, please copy Marcelo on all kvm issues, we share maintainership 
> by switching tree ownership at semi random points in time so I can't 
> always do anything about the breakage personally).

OK, I have added Marcelo to the contacts for the kvm tree.

-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/

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linux-next: kvm tree build failure

[Stephen Rothwell]

Hi Avi,

Today's linux-next build (powerpc ppc44x_defconfig) failed like this:

arch/powerpc/kvm/booke_emulate.c: In function 'kvmppc_booke_emulate_mfspr':
arch/powerpc/kvm/booke_emulate.c:201: error: expected ')' before ';' token
arch/powerpc/kvm/booke_emulate.c:203: error: expected ')' before ';' token
arch/powerpc/kvm/booke_emulate.c:205: error: expected ')' before ';' token
arch/powerpc/kvm/booke_emulate.c:207: error: expected ')' before ';' token
arch/powerpc/kvm/booke_emulate.c:209: error: expected ')' before ';' token
arch/powerpc/kvm/booke_emulate.c:211: error: expected ')' before ';' token
arch/powerpc/kvm/44x_emulate.c: In function 'kvmppc_core_emulate_mfspr':
arch/powerpc/kvm/44x_emulate.c:171: error: lvalue required as left operand of assignment
arch/powerpc/kvm/44x_emulate.c:173: error: lvalue required as left operand of assignment
arch/powerpc/kvm/44x_emulate.c:175: error: lvalue required as left operand of assignment
arch/powerpc/kvm/44x_emulate.c:177: error: lvalue required as left operand of assignment

Caused by commit 7f31fad9aad3bb9df95793d72e037bb4d587ee83 ("KVM: PPC: Use
accessor functions for GPR access").  I couldn't easily revert that
commit, so I applied the following fixup patch instead.

More care is required ... please at least build test.

From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Mon, 11 Jan 2010 18:50:23 +1100
Subject: [PATCH] kvm: fixup for botched PPC update

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
---
 arch/powerpc/kvm/44x_emulate.c   |    8 ++++----
 arch/powerpc/kvm/booke_emulate.c |   12 ++++++------
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/arch/powerpc/kvm/44x_emulate.c b/arch/powerpc/kvm/44x_emulate.c
index 0ff0d40..65ea083 100644
--- a/arch/powerpc/kvm/44x_emulate.c
+++ b/arch/powerpc/kvm/44x_emulate.c
@@ -168,13 +168,13 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
 
 	switch (sprn) {
 	case SPRN_PID:
-		kvmppc_get_gpr(vcpu, rt) = vcpu->arch.pid; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.pid); break;
 	case SPRN_MMUCR:
-		kvmppc_get_gpr(vcpu, rt) = vcpu->arch.mmucr; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.mmucr); break;
 	case SPRN_CCR0:
-		kvmppc_get_gpr(vcpu, rt) = vcpu->arch.ccr0; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ccr0); break;
 	case SPRN_CCR1:
-		kvmppc_get_gpr(vcpu, rt) = vcpu->arch.ccr1; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ccr1); break;
 	default:
 		emulated = kvmppc_booke_emulate_mfspr(vcpu, sprn, rt);
 	}
diff --git a/arch/powerpc/kvm/booke_emulate.c b/arch/powerpc/kvm/booke_emulate.c
index ab1786c..cbc790e 100644
--- a/arch/powerpc/kvm/booke_emulate.c
+++ b/arch/powerpc/kvm/booke_emulate.c
@@ -198,17 +198,17 @@ int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
 
 	switch (sprn) {
 	case SPRN_IVPR:
-		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivpr; break);
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivpr); break;
 	case SPRN_DEAR:
-		kvmppc_set_gpr(vcpu, rt, vcpu->arch.dear; break);
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.dear); break;
 	case SPRN_ESR:
-		kvmppc_set_gpr(vcpu, rt, vcpu->arch.esr; break);
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.esr); break;
 	case SPRN_DBCR0:
-		kvmppc_set_gpr(vcpu, rt, vcpu->arch.dbcr0; break);
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.dbcr0); break;
 	case SPRN_DBCR1:
-		kvmppc_set_gpr(vcpu, rt, vcpu->arch.dbcr1; break);
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.dbcr1); break;
 	case SPRN_DBSR:
-		kvmppc_set_gpr(vcpu, rt, vcpu->arch.dbsr; break);
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.dbsr); break;
 
 	case SPRN_IVOR0:
 		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_CRITICAL]);
-- 
1.6.5.7


-- 
Cheers,
Stephen Rothwell                    Stephen@Rothwell.id.au

Re: linux-next: kvm tree build failure

[Stephen Rothwell]

Hi Avi,

On Mon, 11 Jan 2010 19:07:49 +1100 Stephen Rothwell <Stephen@Rothwell.id.au> wrote:
>
> Caused by commit 7f31fad9aad3bb9df95793d72e037bb4d587ee83 ("KVM: PPC: Use
> accessor functions for GPR access").  I couldn't easily revert that
> commit, so I applied the following fixup patch instead.

After which I got this:

arch/powerpc/kvm/built-in.o: In function `kvmppc_handler_0':
(.text+0x69ba): undefined reference to `VCPU_GPRS'
arch/powerpc/kvm/built-in.o: In function `kvmppc_handler_0':
(.text+0x69be): undefined reference to `VCPU_GPRS'
arch/powerpc/kvm/built-in.o: In function `kvmppc_handler_1':
(.text+0x69e6): undefined reference to `VCPU_GPRS'
arch/powerpc/kvm/built-in.o: In function `kvmppc_handler_1':
(.text+0x69ea): undefined reference to `VCPU_GPRS'
arch/powerpc/kvm/built-in.o: In function `kvmppc_handler_2':
(.text+0x6a12): undefined reference to `VCPU_GPRS'
arch/powerpc/kvm/built-in.o:(.text+0x6a16): more undefined references to `VCPU_GPRS' follow

Caused by commit f38ae173fffd673d4bc5cb4062d9dc27146cfb4a ("KVM: PPC: Use
PACA backed shadow vcpu").  I have applied the following fixup patch for
today:

From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Mon, 11 Jan 2010 19:15:02 +1100
Subject: [PATCH] kvm: another PPC fixup (asm-offsets)

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
---
 arch/powerpc/kernel/asm-offsets.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index be90ced..16dab65 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -437,11 +437,11 @@ int main(void)
 	DEFINE(VCPU_HIGHMEM_HANDLER, offsetof(struct kvm_vcpu, arch.highmem_handler));
 	DEFINE(VCPU_RMCALL, offsetof(struct kvm_vcpu, arch.rmcall));
 	DEFINE(VCPU_HFLAGS, offsetof(struct kvm_vcpu, arch.hflags));
-	DEFINE(VCPU_GPRS, offsetof(struct kvm_vcpu, arch.gpr));
 #else
 	DEFINE(VCPU_CR, offsetof(struct kvm_vcpu, arch.cr));
 	DEFINE(VCPU_XER, offsetof(struct kvm_vcpu, arch.xer));
 #endif /* CONFIG_PPC64 */
+	DEFINE(VCPU_GPRS, offsetof(struct kvm_vcpu, arch.gpr));
 #endif
 #ifdef CONFIG_44x
 	DEFINE(PGD_T_LOG2, PGD_T_LOG2);
-- 
1.6.5.7


-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/

Re: linux-next: kvm tree build failure

[Avi Kivity]

On 01/11/2010 10:07 AM, Stephen Rothwell wrote:
> Hi Avi,
>
> Today's linux-next build (powerpc ppc44x_defconfig) failed like this:
>
>    

I pushed out a fix from Alex.

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

linux-next: kvm tree build failure

[Stephen Rothwell]

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Hi Avi,

Today's linux-next build (x86_64 allmodconfig) failed like this:

x86_64-linux-gcc: arch/x86/kvm/x86_emulate.c: No such file or directory

Caused by commit 5383e9982ee230b06b3c385e675ae6fc7846c40f ("KVM: Rename
x86_emulate.c to emulate.c").

I have used the version of the kvm tree from next-20090812 for today.
-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/

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Re: linux-next: kvm tree build failure

[Avi Kivity]

On 08/13/2009 05:58 AM, Stephen Rothwell wrote:
> Hi Avi,
>
> Today's linux-next build (x86_64 allmodconfig) failed like this:
>
> x86_64-linux-gcc: arch/x86/kvm/x86_emulate.c: No such file or directory
>
> Caused by commit 5383e9982ee230b06b3c385e675ae6fc7846c40f ("KVM: Rename
> x86_emulate.c to emulate.c").
>
> I have used the version of the kvm tree from next-20090812 for today.
>    

Fixed now, don't know how such brokenness slipped out.

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

linux-next: kvm tree build failure

[Stephen Rothwell]

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Hi Avi,

Today's linux-next build (s390 allmodconfig) failed like this:

In file included from include/trace/ftrace.h:261,
                 from include/trace/define_trace.h:56,
                 from include/trace/events/kvm.h:55,
                 from arch/s390/kvm/../../../virt/kvm/kvm_main.c:63:
include/trace/events/kvm.h: In function 'ftrace_raw_output_kvm_ack_irq':
include/trace/events/kvm.h:31: error: 'KVM_IRQCHIP_PIC_MASTER' undeclared (first use in this function)
include/trace/events/kvm.h:31: error: (Each undeclared identifier is reported only once
include/trace/events/kvm.h:31: error: for each function it appears in.)
include/trace/events/kvm.h:31: error: 'KVM_IRQCHIP_PIC_SLAVE' undeclared (first use in this function)
include/trace/events/kvm.h:31: error: 'KVM_IRQCHIP_IOAPIC' undeclared (first use in this function)

Caused by commit acb57be20f6b600848a99796d8f115ec079b8b08 ("KVM: convert
custom marker based tracing to event traces").

-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/

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Re: linux-next: kvm tree build failure

[Avi Kivity]

On 06/23/2009 08:53 AM, Stephen Rothwell wrote:
> Hi Avi,
>
> Today's linux-next build (s390 allmodconfig) failed like this:
>
> In file included from include/trace/ftrace.h:261,
>                   from include/trace/define_trace.h:56,
>                   from include/trace/events/kvm.h:55,
>                   from arch/s390/kvm/../../../virt/kvm/kvm_main.c:63:
> include/trace/events/kvm.h: In function 'ftrace_raw_output_kvm_ack_irq':
> include/trace/events/kvm.h:31: error: 'KVM_IRQCHIP_PIC_MASTER' undeclared (first use in this function)
> include/trace/events/kvm.h:31: error: (Each undeclared identifier is reported only once
> include/trace/events/kvm.h:31: error: for each function it appears in.)
> include/trace/events/kvm.h:31: error: 'KVM_IRQCHIP_PIC_SLAVE' undeclared (first use in this function)
> include/trace/events/kvm.h:31: error: 'KVM_IRQCHIP_IOAPIC' undeclared (first use in this function)
>
> Caused by commit acb57be20f6b600848a99796d8f115ec079b8b08 ("KVM: convert
> custom marker based tracing to event traces").
>
>    

I applied a patch from Christian Borntraeger addressing this.

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

linux-next: kvm tree build failure

[Stephen Rothwell]

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Hi Avi,

Today's linux-next build (powerpc ppc44x_defconfig) failed like this:

arch/powerpc/kvm/built-in.o: In function `kvm_destroy_vm':
kvm_main.c:(.text+0x2cfc): undefined reference to `kvm_irqfd_release'
arch/powerpc/kvm/built-in.o: In function `kvm_vm_ioctl':
kvm_main.c:(.text+0x3230): undefined reference to `kvm_irqfd'

Caused by commit 302471ec2b5b6f74eba06973fb85e4584d20ef1e ("KVM: irqfd")
which I have reverted for today.

-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/

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Re: linux-next: kvm tree build failure

[Avi Kivity]

Stephen Rothwell wrote:
> Hi Avi,
>
> Today's linux-next build (powerpc ppc44x_defconfig) failed like this:
>
> arch/powerpc/kvm/built-in.o: In function `kvm_destroy_vm':
> kvm_main.c:(.text+0x2cfc): undefined reference to `kvm_irqfd_release'
> arch/powerpc/kvm/built-in.o: In function `kvm_vm_ioctl':
> kvm_main.c:(.text+0x3230): undefined reference to `kvm_irqfd'
>
> Caused by commit 302471ec2b5b6f74eba06973fb85e4584d20ef1e ("KVM: irqfd")
> which I have reverted for today.
>   

Sorry about that.  I now have build testing for s390 and ia64, so of 
course it triggered on ppc.

I'll look for a ppc machine for build testing.

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

Re: linux-next: kvm tree build failure

[Boaz Harrosh]

On 05/21/2009 10:32 AM, Avi Kivity wrote:
> Stephen Rothwell wrote:
>> Hi Avi,
>>
>> Today's linux-next build (powerpc ppc44x_defconfig) failed like this:
>>
>> arch/powerpc/kvm/built-in.o: In function `kvm_destroy_vm':
>> kvm_main.c:(.text+0x2cfc): undefined reference to `kvm_irqfd_release'
>> arch/powerpc/kvm/built-in.o: In function `kvm_vm_ioctl':
>> kvm_main.c:(.text+0x3230): undefined reference to `kvm_irqfd'
>>
>> Caused by commit 302471ec2b5b6f74eba06973fb85e4584d20ef1e ("KVM: irqfd")
>> which I have reverted for today.
>>   
> 
> Sorry about that.  I now have build testing for s390 and ia64, so of 
> course it triggered on ppc.
> 
> I'll look for a ppc machine for build testing.
> 

Can't you cross compile for ppc? I can't remember someone posted a link
with binary cross-compiler packages a while back.

Boaz

Re: linux-next: kvm tree build failure

[Avi Kivity]

Boaz Harrosh wrote:
>> I'll look for a ppc machine for build testing.
>>
>>     
>
> Can't you cross compile for ppc? I can't remember someone posted a link
> with binary cross-compiler packages a while back.
>
>   

I have userspace to test as well, which needs a ton of cross-compiled 
libraries.

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

Re: linux-next: kvm tree build failure

[Boaz Harrosh]

On 05/21/2009 10:39 AM, Avi Kivity wrote:
> Boaz Harrosh wrote:
>>> I'll look for a ppc machine for build testing.
>>>
>>>     
>> Can't you cross compile for ppc? I can't remember someone posted a link
>> with binary cross-compiler packages a while back.
>>
>>   
> 
> I have userspace to test as well, which needs a ton of cross-compiled 
> libraries.
> 

A cross compiler produces native foreign code. A Native distribution with
binary libraries will work just as well.

Do you mean to set up all the build environment and dependencies?
Perhaps get a ready made ppc linux image, mount and chroot into it
and build that way.

If only you had an emulator for ppc?

Boaz

Re: linux-next: kvm tree build failure

[Avi Kivity]

Boaz Harrosh wrote:
>> I have userspace to test as well, which needs a ton of cross-compiled 
>> libraries.
>>
>>     
>
> A cross compiler produces native foreign code. A Native distribution with
> binary libraries will work just as well.
>
> Do you mean to set up all the build environment and dependencies?
> Perhaps get a ready made ppc linux image, mount and chroot into it
> and build that way.
>
> If only you had an emulator for ppc?
>   

Life's too short for emulators.

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