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516793c61b
Presently, we check for the minimum ARM architecture that we're building for to determine whether we need ASID support. This is wrong - if we're going to support a range of CPUs which include ARMv6 or higher, we need the ASID. Convert the checks to use a new configuration symbol, and arrange for ARMv6 and higher CPU entries to select it. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
34 lines
534 B
C
34 lines
534 B
C
#ifndef __ARM_MMU_H
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#define __ARM_MMU_H
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#ifdef CONFIG_MMU
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typedef struct {
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#ifdef CONFIG_CPU_HAS_ASID
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unsigned int id;
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#endif
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unsigned int kvm_seq;
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} mm_context_t;
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#ifdef CONFIG_CPU_HAS_ASID
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#define ASID(mm) ((mm)->context.id & 255)
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#else
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#define ASID(mm) (0)
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#endif
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#else
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/*
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* From nommu.h:
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* Copyright (C) 2002, David McCullough <davidm@snapgear.com>
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* modified for 2.6 by Hyok S. Choi <hyok.choi@samsung.com>
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*/
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typedef struct {
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struct vm_list_struct *vmlist;
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unsigned long end_brk;
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} mm_context_t;
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#endif
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#endif
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