46d60bdb12
Trying to remove asm/ppc_asm.h from all places that don't need it
leads to several failures linked to firmware_has_feature().
To fix it, include asm/firmware.h in all files using
firmware_has_feature()
All users found with:
git grep -L "firmware\.h" ` git grep -l "firmware_has_feature("`
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/11956ec181a034b51a881ac9c059eea72c679a73.1651828453.git.christophe.leroy@csgroup.eu
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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*/
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#ifndef _ASM_POWERPC_MMAN_H
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#define _ASM_POWERPC_MMAN_H
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#include <uapi/asm/mman.h>
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#ifdef CONFIG_PPC64
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#include <asm/cputable.h>
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#include <linux/mm.h>
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#include <linux/pkeys.h>
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#include <asm/cpu_has_feature.h>
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#include <asm/firmware.h>
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static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot,
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unsigned long pkey)
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{
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#ifdef CONFIG_PPC_MEM_KEYS
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return (((prot & PROT_SAO) ? VM_SAO : 0) | pkey_to_vmflag_bits(pkey));
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#else
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return ((prot & PROT_SAO) ? VM_SAO : 0);
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#endif
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}
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#define arch_calc_vm_prot_bits(prot, pkey) arch_calc_vm_prot_bits(prot, pkey)
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static inline bool arch_validate_prot(unsigned long prot, unsigned long addr)
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{
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if (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC | PROT_SEM | PROT_SAO))
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return false;
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if (prot & PROT_SAO) {
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if (!cpu_has_feature(CPU_FTR_SAO))
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return false;
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if (firmware_has_feature(FW_FEATURE_LPAR) &&
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!IS_ENABLED(CONFIG_PPC_PROT_SAO_LPAR))
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return false;
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}
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return true;
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}
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#define arch_validate_prot arch_validate_prot
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#endif /* CONFIG_PPC64 */
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#endif /* _ASM_POWERPC_MMAN_H */
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