[mini-os master] mini-os: fix do_map_frames() for pvh

[patchbot@xxxxxxx]

commit b070125a6992e671292d781cbb71f98eea5359a3
Author:     Juergen Gross <jgross@xxxxxxxx>
AuthorDate: Sat Aug 15 13:12:57 2020 +0200
Commit:     Wei Liu <wl@xxxxxxx>
CommitDate: Mon Aug 17 09:54:58 2020 +0000

    mini-os: fix do_map_frames() for pvh
    
    In case ov PVH dom_map_frames() is missing to increment the virtual
    address. This leads to writing only the first page table entry multiple
    times.
    
    Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
    Reviewed-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
---
 arch/x86/mm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/mm.c b/arch/x86/mm.c
index ea58444..8ba14a5 100644
--- a/arch/x86/mm.c
+++ b/arch/x86/mm.c
@@ -695,6 +695,7 @@ int do_map_frames(unsigned long va,
         pgt[l1_table_offset(va)] = (pgentry_t)
             (((mfns[done * stride] + done * incr) << PAGE_SHIFT) | prot);
         done++;
+        va += PAGE_SIZE;
 #endif
     }
 
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