[Xen-changelog] [xen staging] xen: Convert is_xen_fixed_mfn to use typesafe MFN

[patchbot@xxxxxxx]

commit 196dd56cf484e10018ed5875e3c4dd159bc74dbb
Author:     Julien Grall <julien.grall@xxxxxxx>
AuthorDate: Sat Jan 26 16:38:47 2019 +0000
Commit:     Julien Grall <julien.grall@xxxxxxx>
CommitDate: Mon Aug 19 15:09:19 2019 +0100

    xen: Convert is_xen_fixed_mfn to use typesafe MFN
    
    No functional changes.
    
    Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
    Reviewed-by: George Dunlap <george.dunlap@xxxxxxxxxx>
---
 xen/arch/x86/tboot.c     | 2 +-
 xen/common/page_alloc.c  | 2 +-
 xen/include/asm-arm/mm.h | 4 ++--
 xen/include/asm-x86/mm.h | 4 ++--
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/xen/arch/x86/tboot.c b/xen/arch/x86/tboot.c
index f3fdee4d39..30d159cc62 100644
--- a/xen/arch/x86/tboot.c
+++ b/xen/arch/x86/tboot.c
@@ -280,7 +280,7 @@ static void tboot_gen_xenheap_integrity(const uint8_t 
key[TB_KEY_SIZE],
 
         if ( !mfn_valid(_mfn(mfn)) )
             continue;
-        if ( is_xen_fixed_mfn(mfn) )
+        if ( is_xen_fixed_mfn(_mfn(mfn)) )
             continue; /* skip Xen */
         if ( (mfn >= PFN_DOWN(g_tboot_shared->tboot_base - 3 * PAGE_SIZE))
              && (mfn < PFN_UP(g_tboot_shared->tboot_base
diff --git a/xen/common/page_alloc.c b/xen/common/page_alloc.c
index 2cee2453cc..7cb1bd368b 100644
--- a/xen/common/page_alloc.c
+++ b/xen/common/page_alloc.c
@@ -1585,7 +1585,7 @@ int offline_page(mfn_t mfn, int broken, uint32_t *status)
     *status = 0;
     pg = mfn_to_page(mfn);
 
-    if ( is_xen_fixed_mfn(mfn_x(mfn)) )
+    if ( is_xen_fixed_mfn(mfn) )
     {
         *status = PG_OFFLINE_XENPAGE | PG_OFFLINE_FAILED |
           (DOMID_XEN << PG_OFFLINE_OWNER_SHIFT);
diff --git a/xen/include/asm-arm/mm.h b/xen/include/asm-arm/mm.h
index e4d1c8e069..126e6be9b5 100644
--- a/xen/include/asm-arm/mm.h
+++ b/xen/include/asm-arm/mm.h
@@ -152,8 +152,8 @@ extern unsigned long xenheap_base_pdx;
 #endif
 
 #define is_xen_fixed_mfn(mfn)                                   \
-    ((pfn_to_paddr(mfn) >= virt_to_maddr(&_start)) &&       \
-     (pfn_to_paddr(mfn) <= virt_to_maddr(&_end)))
+    ((mfn_to_maddr(mfn) >= virt_to_maddr(&_start)) &&           \
+     (mfn_to_maddr(mfn) <= virt_to_maddr(&_end)))
 
 #define page_get_owner(_p)    (_p)->v.inuse.domain
 #define page_set_owner(_p,_d) ((_p)->v.inuse.domain = (_d))
diff --git a/xen/include/asm-x86/mm.h b/xen/include/asm-x86/mm.h
index 181aa776fe..790a2622ce 100644
--- a/xen/include/asm-x86/mm.h
+++ b/xen/include/asm-x86/mm.h
@@ -283,8 +283,8 @@ struct page_info
 #define is_xen_heap_mfn(mfn) \
     (mfn_valid(mfn) && is_xen_heap_page(mfn_to_page(mfn)))
 #define is_xen_fixed_mfn(mfn)                     \
-    ((((mfn) << PAGE_SHIFT) >= __pa(&_stext)) &&  \
-     (((mfn) << PAGE_SHIFT) <= __pa(&__2M_rwdata_end)))
+    (((mfn_to_maddr(mfn)) >= __pa(&_stext)) &&    \
+     ((mfn_to_maddr(mfn)) <= __pa(&__2M_rwdata_end)))
 
 #define PRtype_info "016lx"/* should only be used for printk's */
 
--
generated by git-patchbot for /home/xen/git/xen.git#staging

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