* [PATCH] kvm: Fix build error caused by redefinition
@ 2016-03-19 4:54 Pranith Kumar
2016-03-21 14:04 ` Paolo Bonzini
0 siblings, 1 reply; 3+ messages in thread
From: Pranith Kumar @ 2016-03-19 4:54 UTC (permalink / raw)
To: Gleb Natapov, Paolo Bonzini,
open list:KERNEL VIRTUAL MACHINE (KVM),
open list
Build on 32-bit PPC fails with the following error:
int kvm_vfio_ops_init(void)
^
In file included from arch/powerpc/kvm/../../../virt/kvm/vfio.c:21:0:
arch/powerpc/kvm/../../../virt/kvm/vfio.h:8:90: note: previous definition of ‘kvm_vfio_ops_init’ was here
arch/powerpc/kvm/../../../virt/kvm/vfio.c:292:6: error: redefinition of ‘kvm_vfio_ops_exit’
void kvm_vfio_ops_exit(void)
^
In file included from arch/powerpc/kvm/../../../virt/kvm/vfio.c:21:0:
arch/powerpc/kvm/../../../virt/kvm/vfio.h:12:91: note: previous definition of ‘kvm_vfio_ops_exit’ was here
scripts/Makefile.build:258: recipe for target 'arch/powerpc/kvm/../../../virt/kvm/vfio.o' failed
make[3]: *** [arch/powerpc/kvm/../../../virt/kvm/vfio.o] Error 1
Fix it by enclosing the definitions within CONFIG_KVM_VFIO
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
---
virt/kvm/vfio.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/virt/kvm/vfio.c b/virt/kvm/vfio.c
index 1dd087d..201293b 100644
--- a/virt/kvm/vfio.c
+++ b/virt/kvm/vfio.c
@@ -284,6 +284,7 @@ static int kvm_vfio_create(struct kvm_device *dev, u32 type)
return 0;
}
+#ifdef CONFIG_KVM_VFIO
int kvm_vfio_ops_init(void)
{
return kvm_register_device_ops(&kvm_vfio_ops, KVM_DEV_TYPE_VFIO);
@@ -293,3 +294,4 @@ void kvm_vfio_ops_exit(void)
{
kvm_unregister_device_ops(KVM_DEV_TYPE_VFIO);
}
+#endif
--
2.7.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] kvm: Fix build error caused by redefinition
2016-03-19 4:54 [PATCH] kvm: Fix build error caused by redefinition Pranith Kumar
@ 2016-03-21 14:04 ` Paolo Bonzini
2016-03-22 13:28 ` Pranith Kumar
0 siblings, 1 reply; 3+ messages in thread
From: Paolo Bonzini @ 2016-03-21 14:04 UTC (permalink / raw)
To: Pranith Kumar, Gleb Natapov,
open list:KERNEL VIRTUAL MACHINE (KVM),
open list
On 19/03/2016 05:54, Pranith Kumar wrote:
> Build on 32-bit PPC fails with the following error:
>
> int kvm_vfio_ops_init(void)
> ^
> In file included from arch/powerpc/kvm/../../../virt/kvm/vfio.c:21:0:
> arch/powerpc/kvm/../../../virt/kvm/vfio.h:8:90: note: previous definition of ‘kvm_vfio_ops_init’ was here
> arch/powerpc/kvm/../../../virt/kvm/vfio.c:292:6: error: redefinition of ‘kvm_vfio_ops_exit’
> void kvm_vfio_ops_exit(void)
> ^
> In file included from arch/powerpc/kvm/../../../virt/kvm/vfio.c:21:0:
> arch/powerpc/kvm/../../../virt/kvm/vfio.h:12:91: note: previous definition of ‘kvm_vfio_ops_exit’ was here
> scripts/Makefile.build:258: recipe for target 'arch/powerpc/kvm/../../../virt/kvm/vfio.o' failed
> make[3]: *** [arch/powerpc/kvm/../../../virt/kvm/vfio.o] Error 1
>
> Fix it by enclosing the definitions within CONFIG_KVM_VFIO
Please test this instead:
diff --git a/arch/powerpc/kvm/Makefile b/arch/powerpc/kvm/Makefile
index 7f7b6d86ac73..eba0bea6e032 100644
--- a/arch/powerpc/kvm/Makefile
+++ b/arch/powerpc/kvm/Makefile
@@ -8,7 +8,8 @@ ccflags-y := -Ivirt/kvm -Iarch/powerpc/kvm
KVM := ../../../virt/kvm
common-objs-y = $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o \
- $(KVM)/eventfd.o $(KVM)/vfio.o
+ $(KVM)/eventfd.o
+common-objs-$(CONFIG_KVM_VFIO) += $(KVM)/vfio.o
CFLAGS_e500_mmu.o := -I.
CFLAGS_e500_mmu_host.o := -I.
Paolo
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] kvm: Fix build error caused by redefinition
2016-03-21 14:04 ` Paolo Bonzini
@ 2016-03-22 13:28 ` Pranith Kumar
0 siblings, 0 replies; 3+ messages in thread
From: Pranith Kumar @ 2016-03-22 13:28 UTC (permalink / raw)
To: Paolo Bonzini
Cc: Pranith Kumar, Gleb Natapov,
open list:KERNEL VIRTUAL MACHINE (KVM),
open list
Hi Paolo,
Paolo Bonzini writes:
>
> Please test this instead:
This patch works for me. Please feel free to add:
Tested-by: Pranith Kumar <bobby.prani@gmail.com>
>
> diff --git a/arch/powerpc/kvm/Makefile b/arch/powerpc/kvm/Makefile
> index 7f7b6d86ac73..eba0bea6e032 100644
> --- a/arch/powerpc/kvm/Makefile
> +++ b/arch/powerpc/kvm/Makefile
> @@ -8,7 +8,8 @@ ccflags-y := -Ivirt/kvm -Iarch/powerpc/kvm
> KVM := ../../../virt/kvm
>
> common-objs-y = $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o \
> - $(KVM)/eventfd.o $(KVM)/vfio.o
> + $(KVM)/eventfd.o
> +common-objs-$(CONFIG_KVM_VFIO) += $(KVM)/vfio.o
>
> CFLAGS_e500_mmu.o := -I.
> CFLAGS_e500_mmu_host.o := -I.
>
>
> Paolo
--
Pranith
^ permalink raw reply [flat|nested] 3+ messages in thread
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2016-03-19 4:54 [PATCH] kvm: Fix build error caused by redefinition Pranith Kumar
2016-03-21 14:04 ` Paolo Bonzini
2016-03-22 13:28 ` Pranith Kumar
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