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Searched refs:pkey (Results 1 – 21 of 21) sorted by relevance

/arch/powerpc/include/asm/
A Dpkeys.h50 #define pkey_alloc_mask(pkey) (0x1 << pkey) argument
58 #define __mm_pkey_free(mm, pkey) { \ argument
66 pkey_alloc_mask(pkey))
70 if (pkey < 0 || pkey >= arch_max_pkey()) in mm_pkey_is_allocated()
74 if (__mm_pkey_is_reserved(pkey)) in mm_pkey_is_allocated()
118 __mm_pkey_free(mm, pkey); in mm_pkey_free()
129 int prot, int pkey);
131 int prot, int pkey) in arch_override_mprotect_pkey() argument
140 if (pkey != -1) in arch_override_mprotect_pkey()
141 return pkey; in arch_override_mprotect_pkey()
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A Dmman.h18 unsigned long pkey) in arch_calc_vm_prot_bits() argument
21 return (((prot & PROT_SAO) ? VM_SAO : 0) | pkey_to_vmflag_bits(pkey)); in arch_calc_vm_prot_bits()
26 #define arch_calc_vm_prot_bits(prot, pkey) arch_calc_vm_prot_bits(prot, pkey) argument
/arch/arm64/include/asm/
A Dpkeys.h29 int prot, int pkey) in arch_override_mprotect_pkey() argument
31 if (pkey != -1) in arch_override_mprotect_pkey()
32 return pkey; in arch_override_mprotect_pkey()
44 #define mm_set_pkey_allocated(mm, pkey) do { \ argument
45 mm_pkey_allocation_map(mm) |= (1U << pkey); \
47 #define mm_set_pkey_free(mm, pkey) do { \ argument
48 mm_pkey_allocation_map(mm) &= ~(1U << pkey); \
58 if (pkey < 0 || pkey >= arch_max_pkey()) in mm_pkey_is_allocated()
61 return mm_pkey_allocation_map(mm) & (1U << pkey); in mm_pkey_is_allocated()
98 if (!mm_pkey_is_allocated(mm, pkey)) in mm_pkey_free()
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A Dpor.h13 static inline bool por_elx_allows_read(u64 por, u8 pkey) in por_elx_allows_read() argument
15 u8 perm = POR_ELx_PERM_GET(pkey, por); in por_elx_allows_read()
20 static inline bool por_elx_allows_write(u64 por, u8 pkey) in por_elx_allows_write() argument
22 u8 perm = POR_ELx_PERM_GET(pkey, por); in por_elx_allows_write()
27 static inline bool por_elx_allows_exec(u64 por, u8 pkey) in por_elx_allows_exec() argument
29 u8 perm = POR_ELx_PERM_GET(pkey, por); in por_elx_allows_exec()
A Dmman.h15 unsigned long pkey) in arch_calc_vm_prot_bits() argument
27 ret |= pkey & BIT(0) ? VM_PKEY_BIT0 : 0; in arch_calc_vm_prot_bits()
28 ret |= pkey & BIT(1) ? VM_PKEY_BIT1 : 0; in arch_calc_vm_prot_bits()
29 ret |= pkey & BIT(2) ? VM_PKEY_BIT2 : 0; in arch_calc_vm_prot_bits()
35 #define arch_calc_vm_prot_bits(prot, pkey) arch_calc_vm_prot_bits(prot, pkey) argument
A Dtraps.h28 void arm64_force_sig_fault_pkey(unsigned long far, const char *str, int pkey);
A Dpgtable.h234 static inline bool por_el0_allows_pkey(u8 pkey, bool write, bool execute) in por_el0_allows_pkey() argument
244 return por_elx_allows_write(por, pkey); in por_el0_allows_pkey()
247 return por_elx_allows_exec(por, pkey); in por_el0_allows_pkey()
249 return por_elx_allows_read(por, pkey); in por_el0_allows_pkey()
/arch/x86/include/asm/
A Dpkeys.h34 int prot, int pkey);
36 int prot, int pkey) in arch_override_mprotect_pkey() argument
47 #define mm_set_pkey_allocated(mm, pkey) do { \ argument
48 mm_pkey_allocation_map(mm) |= (1U << pkey); \
50 #define mm_set_pkey_free(mm, pkey) do { \ argument
51 mm_pkey_allocation_map(mm) &= ~(1U << pkey); \
62 if (pkey < 0) in mm_pkey_is_allocated()
64 if (pkey >= arch_max_pkey()) in mm_pkey_is_allocated()
71 if (pkey == mm->context.execute_only_pkey) in mm_pkey_is_allocated()
110 if (!mm_pkey_is_allocated(mm, pkey)) in mm_pkey_free()
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A Dpkru.h19 static inline bool __pkru_allows_read(u32 pkru, u16 pkey) in __pkru_allows_read() argument
21 int pkru_pkey_bits = pkey * PKRU_BITS_PER_PKEY; in __pkru_allows_read()
25 static inline bool __pkru_allows_write(u32 pkru, u16 pkey) in __pkru_allows_write() argument
27 int pkru_pkey_bits = pkey * PKRU_BITS_PER_PKEY; in __pkru_allows_write()
A Dpgtable.h1603 static inline bool __pkru_allows_pkey(u16 pkey, bool write) in __pkru_allows_pkey() argument
1607 if (!__pkru_allows_read(pkru, pkey)) in __pkru_allows_pkey()
1609 if (write && !__pkru_allows_write(pkru, pkey)) in __pkru_allows_pkey()
/arch/powerpc/mm/book3s64/
A Dpkeys.c49 #define pkeyshift(pkey) (PKEY_REG_BITS - ((pkey+1) * AMR_BITS_PER_PKEY)) argument
315 static inline void init_amr(int pkey, u8 init_bits) in init_amr() argument
323 static inline void init_iamr(int pkey, u8 init_bits) in init_iamr() argument
348 pkey_bits = 0x3ul << pkeyshift(pkey); in __arch_set_user_pkey_access()
362 init_iamr(pkey, new_iamr_bits); in __arch_set_user_pkey_access()
370 init_amr(pkey, new_amr_bits); in __arch_set_user_pkey_access()
392 int pkey) in __arch_override_mprotect_pkey() argument
406 pkey = execute_only_pkey(vma->vm_mm); in __arch_override_mprotect_pkey()
407 if (pkey > 0) in __arch_override_mprotect_pkey()
408 return pkey; in __arch_override_mprotect_pkey()
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/arch/x86/mm/
A Dpkeys.c76 int __arch_override_mprotect_pkey(struct vm_area_struct *vma, int prot, int pkey) in __arch_override_mprotect_pkey() argument
82 if (pkey != -1) in __arch_override_mprotect_pkey()
83 return pkey; in __arch_override_mprotect_pkey()
92 pkey = execute_only_pkey(vma->vm_mm); in __arch_override_mprotect_pkey()
93 if (pkey > 0) in __arch_override_mprotect_pkey()
94 return pkey; in __arch_override_mprotect_pkey()
113 #define PKRU_AD_MASK(pkey) (PKRU_AD_BIT << ((pkey) * PKRU_BITS_PER_PKEY)) argument
A Dfault.c721 u32 pkey) in kernelmode_fixup_or_oops() argument
778 unsigned long address, u32 pkey, int si_code) in __bad_area_nosemaphore() argument
784 SIGSEGV, si_code, pkey); in __bad_area_nosemaphore()
821 force_sig_pkuerr((void __user *)address, pkey); in __bad_area_nosemaphore()
838 struct vm_area_struct *vma, u32 pkey, int si_code) in __bad_area() argument
849 __bad_area_nosemaphore(regs, error_code, address, pkey, si_code); in __bad_area()
900 u32 pkey = vma_pkey(vma); in bad_area_access_error() local
902 __bad_area(regs, error_code, address, mm, vma, pkey, SEGV_PKUERR); in bad_area_access_error()
/arch/sparc/include/asm/
A Dmman.h30 #define arch_calc_vm_prot_bits(prot, pkey) sparc_calc_vm_prot_bits(prot) argument
/arch/powerpc/mm/
A Dfault.c95 int pkey; in bad_access_pkey() local
114 pkey = vma_pkey(vma); in bad_access_pkey()
129 _exception_pkey(regs, address, pkey); in bad_access_pkey()
/arch/arm64/mm/
A Dfault.c563 int pkey = -1; in do_page_fault() local
645 pkey = vma_pkey(vma); in do_page_fault()
689 pkey = vma_pkey(vma); in do_page_fault()
770 arm64_force_sig_fault_pkey(far, inf->name, pkey); in do_page_fault()
A Dmmu.c1598 int arch_set_user_pkey_access(struct task_struct *tsk, int pkey, unsigned long init_val) in arch_set_user_pkey_access() argument
1611 if (WARN_ON_ONCE(pkey >= arch_max_pkey())) in arch_set_user_pkey_access()
1626 new_por = POR_ELx_PERM_PREP(pkey, new_por); in arch_set_user_pkey_access()
1630 old_por &= ~(POE_MASK << POR_ELx_PERM_SHIFT(pkey)); in arch_set_user_pkey_access()
/arch/s390/include/uapi/asm/
A Dpkey.h468 __u8 __user *pkey; /* in: pkey blob buffer space ptr */ member
/arch/arm64/kernel/
A Dsignal.c93 for (int pkey = 0; pkey < arch_max_pkey(); pkey++) in save_reset_user_access_state() local
94 por_enable_all |= POR_ELx_PERM_PREP(pkey, POE_RWX); in save_reset_user_access_state()
A Dtraps.c268 void arm64_force_sig_fault_pkey(unsigned long far, const char *str, int pkey) in arm64_force_sig_fault_pkey() argument
271 force_sig_pkuerr((void __user *)far, pkey); in arm64_force_sig_fault_pkey()
/arch/x86/kernel/fpu/
A Dxstate.c1082 int arch_set_user_pkey_access(struct task_struct *tsk, int pkey, in arch_set_user_pkey_access() argument
1100 if (WARN_ON_ONCE(pkey >= arch_max_pkey())) in arch_set_user_pkey_access()
1110 pkey_shift = pkey * PKRU_BITS_PER_PKEY; in arch_set_user_pkey_access()

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