Re: [kvm-ppc-devel] [kvm-devel] [PATCH 0 of 2] A couple ifdefs

[Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>]

Avi Kivity wrote:
> Hollis Blanchard wrote:
>> These small ifdefs are necessary for integration of the PowerPC port.
>>
>>   
> 
> Only patch 2 of 2 made it.
> 
As Hollis should be sleeping right now I resend 1/2 as it arrived on kvm-powerpc-devel
(I hope my mail-app keeps the format this time)

-- 

Grüsse / regards, 
Christian Ehrhardt
IBM Linux Technology Center, Open Virtualization

original mail
---

# HG changeset patch
# User Hollis Blanchard <hollisb@us.ibm.com>
# Date 1200434310 21600
# Node ID 7fa5947a2da8c0c7424ebdcfaebcae624d6cf015
# Parent  ee0c227fe3f6632f4b1b5fde3f7e05c8ea0a4378

Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>

---
2 files changed, 7 insertions(+)
arch/x86/kvm/Kconfig |    5 +++++
virt/kvm/kvm_main.c  |    2 ++


diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
--- a/arch/x86/kvm/Kconfig
+++ b/arch/x86/kvm/Kconfig
@@ -33,9 +33,13 @@ config KVM

 	  If unsure, say N.

+config KVM_HAS_PIO
+	bool
+
 config KVM_INTEL
 	tristate "KVM for Intel processors support"
 	depends on KVM
+	select KVM_HAS_PIO
 	---help---
 	  Provides support for KVM on Intel processors equipped with the VT
 	  extensions.
@@ -43,6 +47,7 @@ config KVM_AMD
 config KVM_AMD
 	tristate "KVM for AMD processors support"
 	depends on KVM
+	select KVM_HAS_PIO
 	---help---
 	  Provides support for KVM on AMD processors equipped with the AMD-V
 	  (SVM) extensions.
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -677,8 +677,10 @@ static int kvm_vcpu_fault(struct vm_area

 	if (vmf->pgoff = 0)
 		page = virt_to_page(vcpu->run);
+#ifdef CONFIG_KVM_HAS_PIO
 	else if (vmf->pgoff = KVM_PIO_PAGE_OFFSET)
 		page = virt_to_page(vcpu->arch.pio_data);
+#endif /* CONFIG_KVM_HAS_PIO */
 	else
 		return VM_FAULT_SIGBUS;
 	get_page(page);



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