Release 4.14 arch/powerpc/include/asm/mman.h

/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */
#ifndef _ASM_POWERPC_MMAN_H

#define _ASM_POWERPC_MMAN_H

#include <uapi/asm/mman.h>

#ifdef CONFIG_PPC64

#include <asm/cputable.h>
#include <linux/mm.h>
#include <asm/cpu_has_feature.h>

/*
 * This file is included by linux/mman.h, so we can't use cacl_vm_prot_bits()
 * here.  How important is the optimization?
 */


static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot,
		unsigned long pkey)
{
	return (prot & PROT_SAO) ? VM_SAO : 0;
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Dave Kleikamp
23
85.19%
1
50.00%
Dave Hansen
4
14.81%
1
50.00%
Total
27
100.00%
2
100.00%


#define arch_calc_vm_prot_bits(prot, pkey) arch_calc_vm_prot_bits(prot, pkey)



static inline pgprot_t arch_vm_get_page_prot(unsigned long vm_flags)
{
	return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0);
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Dave Kleikamp
25
89.29%
1
50.00%
David Gibson
3
10.71%
1
50.00%
Total
28
100.00%
2
100.00%


#define arch_vm_get_page_prot(vm_flags) arch_vm_get_page_prot(vm_flags)



static inline bool arch_validate_prot(unsigned long prot)
{
	if (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC | PROT_SEM | PROT_SAO))
		return false;
	if ((prot & PROT_SAO) && !cpu_has_feature(CPU_FTR_SAO))
		return false;
	return true;
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Dave Kleikamp
47
92.16%
1
50.00%
Chen Gang S
4
7.84%
1
50.00%
Total
51
100.00%
2
100.00%


#define arch_validate_prot(prot) arch_validate_prot(prot)

#endif /* CONFIG_PPC64 */
#endif	/* _ASM_POWERPC_MMAN_H */
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Dave Kleikamp
120
75.95%
1
10.00%
Stephen Rothwell
8
5.06%
1
10.00%
Dave Hansen
7
4.43%
1
10.00%
Anton Blanchard
6
3.80%
1
10.00%
Chen Gang S
4
2.53%
1
10.00%
David Gibson
3
1.90%
1
10.00%
Kevin Hao
3
1.90%
1
10.00%
Jon Loeliger
3
1.90%
1
10.00%
Michael S. Tsirkin
2
1.27%
1
10.00%
David Howells
2
1.27%
1
10.00%
Total
158
100.00%
10
100.00%
Directory: arch/powerpc/include/asm

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.