[Xen-changelog] [xen master] x86/shadow: Drop VALID_GFN()

[patchbot@xxxxxxx]

commit 1059dd9635dd205bce9cedd95e054496cfdd5a80
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Wed Mar 1 18:01:51 2017 +0000
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Thu Mar 23 17:25:59 2017 +0000

    x86/shadow: Drop VALID_GFN()
    
    There is only one single user of VALID_GFN().  Inline the macro to remove 
the
    added layer of indirection in sh_gva_to_gfn()
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Acked-by: Tim Deegan <tim@xxxxxxx>
---
 xen/arch/x86/mm/shadow/multi.c | 2 +-
 xen/include/asm-x86/guest_pt.h | 2 --
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/xen/arch/x86/mm/shadow/multi.c b/xen/arch/x86/mm/shadow/multi.c
index d9bf212..63c7ab5 100644
--- a/xen/arch/x86/mm/shadow/multi.c
+++ b/xen/arch/x86/mm/shadow/multi.c
@@ -3728,7 +3728,7 @@ sh_gva_to_gfn(struct vcpu *v, struct p2m_domain *p2m,
 #if (SHADOW_OPTIMIZATIONS & SHOPT_VIRTUAL_TLB)
     /* Check the vTLB cache first */
     unsigned long vtlb_gfn = vtlb_lookup(v, va, *pfec);
-    if ( VALID_GFN(vtlb_gfn) )
+    if ( vtlb_gfn != gfn_x(INVALID_GFN) )
         return vtlb_gfn;
 #endif /* (SHADOW_OPTIMIZATIONS & SHOPT_VIRTUAL_TLB) */
 
diff --git a/xen/include/asm-x86/guest_pt.h b/xen/include/asm-x86/guest_pt.h
index 6a06ba0..bedc771 100644
--- a/xen/include/asm-x86/guest_pt.h
+++ b/xen/include/asm-x86/guest_pt.h
@@ -32,8 +32,6 @@
 #error GUEST_PAGING_LEVELS not defined
 #endif
 
-#define VALID_GFN(m) (m != gfn_x(INVALID_GFN))
-
 static inline paddr_t
 gfn_to_paddr(gfn_t gfn)
 {
--
generated by git-patchbot for /home/xen/git/xen.git#master

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