[Xen-changelog] [xen master] xen/arm: mm: remove unnecessary tlb flush in setup_pagetables

[patchbot@xxxxxxx]

commit ee1f5620599396b7660988f7944fe2867c49abba
Author:     Peng Fan <van.freenix@xxxxxxxxx>
AuthorDate: Thu May 12 19:48:47 2016 +0800
Commit:     Stefano Stabellini <sstabellini@xxxxxxxxxx>
CommitDate: Fri Jun 17 10:22:16 2016 +0100

    xen/arm: mm: remove unnecessary tlb flush in setup_pagetables
    
    CPU0 is using the boot pages table before relocating xen and
    xen_second is not part of them. So, no need to flush the TLB
    when filling xen_second.
    
    Signed-off-by: Peng Fan <van.freenix@xxxxxxxxx>
    Reviewed-by: Julien Grall <julien.grall@xxxxxxx>
    Signed-off-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 xen/arch/arm/mm.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/xen/arch/arm/mm.c b/xen/arch/arm/mm.c
index 0aa8092..9d01ce2 100644
--- a/xen/arch/arm/mm.c
+++ b/xen/arch/arm/mm.c
@@ -447,7 +447,6 @@ void __init setup_pagetables(unsigned long 
boot_phys_offset, paddr_t xen_paddr)
     dest_va = BOOT_RELOC_VIRT_START;
     pte = mfn_to_xen_entry(xen_paddr >> PAGE_SHIFT, WRITEALLOC);
     write_pte(xen_second + second_table_offset(dest_va), pte);
-    flush_xen_data_tlb_range_va_local(dest_va, SECOND_SIZE);
 
     /* Calculate virt-to-phys offset for the new location */
     phys_offset = xen_paddr - (unsigned long) _start;
--
generated by git-patchbot for /home/xen/git/xen.git#master

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