Hexagon: Implement basic TLB management routines for Hexagon.
Subsystems (2)
PATCH v5 26/36 Hexagon: Implement basic TLB management routines for Hexagon.
Mostly all stubs, as the TLB is managed by the hypervisor.
Signed-off-by Richard Kuo <[email protected]>
Acked-by Arnd Bergmann <[email protected]>
--- arch/hexagon/include/asm/tlb.h | 39 +++++++++++++++ arch/hexagon/include/asm/tlbflush.h | 58 ++++++++++++++++++++++ arch/hexagon/mm/vm_tlb.c | 93 +++++++++++++++++++++++++++++++++++ 3 files changed, 190 insertions(+), 0 deletions(-) create mode 100644 arch/hexagon/include/asm/tlb.h create mode 100644 arch/hexagon/include/asm/tlbflush.h create mode 100644 arch/hexagon/mm/vm_tlb.c
arch/hexagon/include/asm/tlb.h new file +39 -0
@@ -0,0 +1,39 @@ +/* +* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved. +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License version 2 and +* only version 2 as published by the Free Software Foundation. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +* 02110-1301, USA. +*/ + +#ifndef _ASM_TLB_H +#define _ASM_TLB_H + +#include <linux/pagemap.h> +#include <asm/tlbflush.h> + +/* +* We don't need any special per-pte or per-vma handling... +*/ +#define tlb_start_vma (tlb, vma) do { } while (0) +#define tlb_end_vma (tlb, vma) do { } while (0) +#define __tlb_remove_tlb_entry (tlb, ptep, address) do { } while (0) + +/* +* .. because we flush the whole mm when it fills up +*/ +#define tlb_flush (tlb) flush_tlb_mm((tlb)->mm) + +#include <asm-generic/tlb.h> + +#endif
arch/hexagon/include/asm/tlbflush.h new file +58 -0
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arch/hexagon/mm/vm_tlb.c new file +93 -0
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Signature · 7 lines
1.7.1 -- Sent by an employee of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.