From ee1f5620599396b7660988f7944fe2867c49abba Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Thu, 12 May 2016 19:48:47 +0800 Subject: [PATCH] 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 Reviewed-by: Julien Grall Signed-off-by: Stefano Stabellini --- 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 0aa8092bab..9d01ce2a42 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; -- 2.30.2