[PATCH] KVM: Remove async parameter for hva_to_pfn_remapped()

From: Peter Xu <peterx@redhat.com>
To: kvm@vger.kernel.org
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Sean Christopherson <sean.j.christopherson@intel.com>,
	Vitaly Kuznetsov <vkuznets@redhat.com>,
	peterx@redhat.com
Subject: [PATCH] KVM: Remove async parameter for hva_to_pfn_remapped()
Date: Thu, 16 Apr 2020 11:59:03 -0400	[thread overview]
Message-ID: <20200416155903.267414-1-peterx@redhat.com> (raw)

We always do synchronous fault in for those pages.

Signed-off-by: Peter Xu <peterx@redhat.com>
---

Or, does it make sense to allow async pf for PFNMAP|IO too?  I just
didn't figure out why not...
---
 virt/kvm/kvm_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 74bdb7bf3295..2f1f2f56e93d 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1807,7 +1807,7 @@ static bool vma_is_valid(struct vm_area_struct *vma, bool write_fault)
 }
 
 static int hva_to_pfn_remapped(struct vm_area_struct *vma,
-			       unsigned long addr, bool *async,
+			       unsigned long addr,
 			       bool write_fault, bool *writable,
 			       kvm_pfn_t *p_pfn)
 {
@@ -1902,7 +1902,7 @@ static kvm_pfn_t hva_to_pfn(unsigned long addr, bool atomic, bool *async,
 	if (vma == NULL)
 		pfn = KVM_PFN_ERR_FAULT;
 	else if (vma->vm_flags & (VM_IO | VM_PFNMAP)) {
-		r = hva_to_pfn_remapped(vma, addr, async, write_fault, writable, &pfn);
+		r = hva_to_pfn_remapped(vma, addr, write_fault, writable, &pfn);
 		if (r == -EAGAIN)
 			goto retry;
 		if (r < 0)
-- 
2.24.1

