09ca1b1171
Same as x86 and s390, add set_memory_rox() to avoid doing one pass with set_memory_ro() and a second pass with set_memory_x(). See commit60463628c9("x86/mm: Implement native set_memory_rox()") and commit22e99fa564("s390/mm: implement set_memory_rox()") for more information. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/dc9a794f82ab62572d7d0be5cb4b8b27920a4f78.1708078316.git.christophe.leroy@csgroup.eu
52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_POWERPC_SET_MEMORY_H
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#define _ASM_POWERPC_SET_MEMORY_H
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#define SET_MEMORY_RO 0
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#define SET_MEMORY_RW 1
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#define SET_MEMORY_NX 2
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#define SET_MEMORY_X 3
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#define SET_MEMORY_NP 4 /* Set memory non present */
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#define SET_MEMORY_P 5 /* Set memory present */
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#define SET_MEMORY_ROX 6
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int change_memory_attr(unsigned long addr, int numpages, long action);
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static inline int set_memory_ro(unsigned long addr, int numpages)
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{
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return change_memory_attr(addr, numpages, SET_MEMORY_RO);
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}
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static inline int set_memory_rw(unsigned long addr, int numpages)
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{
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return change_memory_attr(addr, numpages, SET_MEMORY_RW);
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}
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static inline int set_memory_nx(unsigned long addr, int numpages)
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{
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return change_memory_attr(addr, numpages, SET_MEMORY_NX);
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}
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static inline int set_memory_x(unsigned long addr, int numpages)
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{
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return change_memory_attr(addr, numpages, SET_MEMORY_X);
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}
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static inline int set_memory_np(unsigned long addr, int numpages)
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{
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return change_memory_attr(addr, numpages, SET_MEMORY_NP);
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}
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static inline int set_memory_p(unsigned long addr, int numpages)
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{
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return change_memory_attr(addr, numpages, SET_MEMORY_P);
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}
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static inline int set_memory_rox(unsigned long addr, int numpages)
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{
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return change_memory_attr(addr, numpages, SET_MEMORY_ROX);
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}
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#define set_memory_rox set_memory_rox
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#endif
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