xref: /kernel/linux/linux-5.10/arch/powerpc/include/asm/book3s/64/pkeys.h
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18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0+ */
28c2ecf20Sopenharmony_ci
38c2ecf20Sopenharmony_ci#ifndef _ASM_POWERPC_BOOK3S_64_PKEYS_H
48c2ecf20Sopenharmony_ci#define _ASM_POWERPC_BOOK3S_64_PKEYS_H
58c2ecf20Sopenharmony_ci
68c2ecf20Sopenharmony_ci#include <asm/book3s/64/hash-pkey.h>
78c2ecf20Sopenharmony_ci
88c2ecf20Sopenharmony_ciextern u64 __ro_after_init default_uamor;
98c2ecf20Sopenharmony_ci
108c2ecf20Sopenharmony_cistatic inline u64 vmflag_to_pte_pkey_bits(u64 vm_flags)
118c2ecf20Sopenharmony_ci{
128c2ecf20Sopenharmony_ci	if (!mmu_has_feature(MMU_FTR_PKEY))
138c2ecf20Sopenharmony_ci		return 0x0UL;
148c2ecf20Sopenharmony_ci
158c2ecf20Sopenharmony_ci	if (radix_enabled())
168c2ecf20Sopenharmony_ci		BUG();
178c2ecf20Sopenharmony_ci	return hash__vmflag_to_pte_pkey_bits(vm_flags);
188c2ecf20Sopenharmony_ci}
198c2ecf20Sopenharmony_ci
208c2ecf20Sopenharmony_cistatic inline u16 pte_to_pkey_bits(u64 pteflags)
218c2ecf20Sopenharmony_ci{
228c2ecf20Sopenharmony_ci	if (radix_enabled())
238c2ecf20Sopenharmony_ci		BUG();
248c2ecf20Sopenharmony_ci	return hash__pte_to_pkey_bits(pteflags);
258c2ecf20Sopenharmony_ci}
268c2ecf20Sopenharmony_ci
278c2ecf20Sopenharmony_ci#endif /*_ASM_POWERPC_KEYS_H */
28

Indexes created Thu Nov 07 10:32:03 CST 2024