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From: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
To: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Cc: Avi Kivity <avi@redhat.com>,
	Marcelo Tosatti <mtosatti@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>, KVM <kvm@vger.kernel.org>
Subject: [PATCH v2 04/10] KVM: introduce KVM_PFN_ERR_BAD
Date: Fri, 03 Aug 2012 15:39:19 +0800	[thread overview]
Message-ID: <501B8027.4060100@linux.vnet.ibm.com> (raw)
In-Reply-To: <501B7F94.7090308@linux.vnet.ibm.com>

Then, remove get_bad_pfn

Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
---
 include/linux/kvm_host.h |    1 +
 virt/kvm/kvm_main.c      |    7 +------
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index cbd5af8..ba8b222 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -50,6 +50,7 @@

 #define KVM_PFN_ERR_FAULT	(-EFAULT)
 #define KVM_PFN_ERR_HWPOISON	(-EHWPOISON)
+#define KVM_PFN_ERR_BAD		(-ENOENT)

 /*
  * vcpu->requests bit members
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index f17ce44..75d3c76 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -943,11 +943,6 @@ int is_error_pfn(pfn_t pfn)
 }
 EXPORT_SYMBOL_GPL(is_error_pfn);

-static pfn_t get_bad_pfn(void)
-{
-	return -ENOENT;
-}
-
 int is_noslot_pfn(pfn_t pfn)
 {
 	return pfn == -ENOENT;
@@ -1152,7 +1147,7 @@ static pfn_t __gfn_to_pfn(struct kvm *kvm, gfn_t gfn, bool atomic, bool *async,

 	addr = gfn_to_hva(kvm, gfn);
 	if (kvm_is_error_hva(addr))
-		return get_bad_pfn();
+		return KVM_PFN_ERR_BAD;

 	return hva_to_pfn(addr, atomic, async, write_fault, writable);
 }
-- 
1.7.7.6

  parent reply	other threads:[~2012-08-03  7:39 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-03  7:36 [PATCH v2 01/10] KVM: iommu: fix releasing unmapped page Xiao Guangrong
2012-08-03  7:37 ` [PATCH v2 02/10] KVM: introduce KVM_PFN_ERR_FAULT Xiao Guangrong
2012-08-06 13:01   ` Avi Kivity
2012-08-06 13:03     ` Avi Kivity
2012-08-03  7:38 ` [PATCH v2 03/10] KVM: introduce KVM_PFN_ERR_HWPOISON Xiao Guangrong
2012-08-03  7:39 ` Xiao Guangrong [this message]
2012-08-03  7:39 ` [PATCH v2 05/10] KVM: inline is_*_pfn functions Xiao Guangrong
2012-08-03  7:40 ` [PATCH v2 06/10] KVM: remove the unused declare Xiao Guangrong
2012-08-03  7:41 ` [PATCH v2 07/10] KVM: introduce KVM_ERR_PTR_BAD_PAGE Xiao Guangrong
2012-08-03  7:42 ` [PATCH v2 08/10] KVM: do not release the error pfn Xiao Guangrong
2012-08-03  7:42 ` [PATCH v2 09/10] KVM: do not release the error page Xiao Guangrong
2012-08-03  7:43 ` [PATCH v2 10/10] KVM: let the error pfn not depend on error code Xiao Guangrong
2012-08-03 19:17 ` [PATCH v2 01/10] KVM: iommu: fix releasing unmapped page Marcelo Tosatti
2012-08-06 13:05 ` Avi Kivity

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