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
next prev 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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