| /linux/arch/x86/include/asm/ |
| H A D | pkru.h | 19 static inline bool __pkru_allows_read(u32 pkru, u16 pkey) in __pkru_allows_read() argument
22 return !(pkru & (PKRU_AD_BIT << pkru_pkey_bits)); in __pkru_allows_read()
25 static inline bool __pkru_allows_write(u32 pkru, u16 pkey) in __pkru_allows_write() argument
32 return !(pkru & ((PKRU_AD_BIT|PKRU_WD_BIT) << pkru_pkey_bits)); in __pkru_allows_write()
42 static inline void write_pkru(u32 pkru) in write_pkru() argument
50 if (pkru != rdpkru()) in write_pkru()
51 wrpkru(pkru); in write_pkru()
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| H A D | special_insns.h | 83 u32 edx, pkru; in rdpkru() local
90 : "=a" (pkru), "=d" (edx) in rdpkru()
92 return pkru; in rdpkru()
95 static inline void wrpkru(u32 pkru) in wrpkru() argument
104 : : "a" (pkru), "c"(ecx), "d"(edx)); in wrpkru()
113 static inline void wrpkru(u32 pkru) in wrpkru() argument
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| H A D | processor.h | 497 u32 pkru; member
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| H A D | pgtable.h | 1677 u32 pkru = read_pkru(); in __pkru_allows_pkey() local
1679 if (!__pkru_allows_read(pkru, pkey)) in __pkru_allows_pkey()
1681 if (write && !__pkru_allows_write(pkru, pkey)) in __pkru_allows_pkey()
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| H A D | svm.h | 418 u32 pkru; member
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| H A D | kvm_host.h | 759 u32 pkru; member
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| /linux/arch/x86/kernel/fpu/ |
| H A D | signal.c | 69 static inline int update_pkru_in_sigframe(struct xregs_state __user *buf, u32 pkru) in update_pkru_in_sigframe() argument
73 return __put_user(pkru, (unsigned int __user *)get_xsave_addr_user(buf, XFEATURE_PKRU)); in update_pkru_in_sigframe()
169 static inline int copy_fpregs_to_sigframe(struct xregs_state __user *buf, u32 pkru) in copy_fpregs_to_sigframe() argument
176 err = update_pkru_in_sigframe(buf, pkru); in copy_fpregs_to_sigframe()
205 bool copy_fpstate_to_sigframe(void __user *buf, void __user *buf_fx, int size, u32 pkru) in copy_fpstate_to_sigframe() argument
248 ret = copy_fpregs_to_sigframe(buf_fx, pkru); in copy_fpstate_to_sigframe()
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| H A D | xstate.c | 1171 struct pkru_state pkru = {0}; in __copy_xstate_to_uabi_buf() local
1176 pkru.pkru = pkru_val; in __copy_xstate_to_uabi_buf()
1177 membuf_write(&to, &pkru, sizeof(pkru)); in __copy_xstate_to_uabi_buf()
1212 tsk->thread.pkru, copy_mode); in copy_xstate_to_uabi_buf()
1257 const void __user *ubuf, u32 *pkru) in copy_uabi_to_xstate() argument
1310 *pkru = xpkru->pkru; in copy_uabi_to_xstate()
1316 if (pkru) in copy_uabi_to_xstate()
1317 *pkru = 0; in copy_uabi_to_xstate()
1338 int copy_uabi_from_kernel_to_xstate(struct fpstate *fpstate, const void *kbuf, u32 *pkru) in copy_uabi_from_kernel_to_xstate() argument
1340 return copy_uabi_to_xstate(fpstate, kbuf, NULL, pkru); in copy_uabi_from_kernel_to_xstate()
[all …]
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| H A D | core.c | 372 unsigned int size, u64 xfeatures, u32 pkru) in fpu_copy_guest_fpstate_to_uabi() argument
379 __copy_xstate_to_uabi_buf(mb, kstate, xfeatures, pkru, in fpu_copy_guest_fpstate_to_uabi()
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| H A D | xstate.h | 50 extern int copy_uabi_from_kernel_to_xstate(struct fpstate *fpstate, const void *kbuf, u32 *pkru);
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| H A D | regset.c | 171 ret = copy_uabi_from_kernel_to_xstate(fpu->fpstate, kbuf ?: tmpbuf, &target->thread.pkru); in xstateregs_set()
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| /linux/arch/x86/kernel/ |
| H A D | signal.c | 105 u32 pkru; in get_sigframe() local
161 pkru = sig_prepare_pkru(); in get_sigframe()
163 if (!copy_fpstate_to_sigframe(*fpstate, (void __user *)buf_fx, math_size, pkru)) { in get_sigframe()
168 write_pkru(pkru); in get_sigframe()
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| H A D | process_64.c | 381 prev->pkru = rdpkru(); in x86_pkru_load()
387 if (prev->pkru != next->pkru) in x86_pkru_load()
388 wrpkru(next->pkru); in x86_pkru_load()
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| H A D | process.c | 218 p->thread.pkru = pkru_get_init_value(); in copy_thread()
228 p->thread.pkru = read_pkru(); in copy_thread()
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| /linux/tools/testing/selftests/mm/ |
| H A D | pkey_sighandler_tests.c | 310 unsigned long pkru = 0x45454544; in test_pkru_preserved_after_sigusr1() local
323 __write_pkey_reg(pkru); in test_pkru_preserved_after_sigusr1()
333 ksft_test_result(pkru == __read_pkey_reg() && in test_pkru_preserved_after_sigusr1()
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| /linux/arch/x86/include/asm/fpu/ |
| H A D | signal.h | 32 extern bool copy_fpstate_to_sigframe(void __user *buf, void __user *fp, int size, u32 pkru);
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| H A D | api.h | 164 unsigned int size, u64 xfeatures, u32 pkru);
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| H A D | types.h | 255 u32 pkru; member
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| /linux/arch/x86/kvm/ |
| H A D | mmu.h | 211 pkru_bits = (vcpu->arch.pkru >> (pte_pkey * 2)) & 3; in permission_fault()
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| H A D | x86.c | 1219 vcpu->arch.pkru != vcpu->arch.host_pkru && in kvm_load_guest_xsave_state()
1222 write_pkru(vcpu->arch.pkru); in kvm_load_guest_xsave_state()
1234 vcpu->arch.pkru = rdpkru(); in kvm_load_host_xsave_state()
1235 if (vcpu->arch.pkru != vcpu->arch.host_pkru) in kvm_load_host_xsave_state()
5612 supported_xcr0, vcpu->arch.pkru); in kvm_vcpu_ioctl_x86_get_xsave2()
5632 &vcpu->arch.pkru); in kvm_vcpu_ioctl_x86_set_xsave()
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| /linux/tools/testing/selftests/kvm/include/x86_64/ |
| H A D | processor.h | 592 static inline void wrpkru(u32 pkru) in wrpkru() argument
596 : : "a" (pkru), "c"(0), "d"(0)); in wrpkru()
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| /linux/arch/x86/kvm/svm/ |
| H A D | sev.c | 849 save->pkru = svm->vcpu.arch.pkru; in sev_es_sync_vmsa()
4597 hostsa->pkru = read_pkru(); in sev_es_prepare_switch_to_guest()
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