Home
last modified time | relevance | path

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

/linux-6.15/arch/x86/include/asm/
H A Dpkru.h19 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()
H A Dspecial_insns.h83 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
H A Dprocessor.h509 u32 pkru; member
H A Dpgtable.h1677 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()
H A Dsvm.h415 u32 pkru; member
H A Dkvm_host.h782 u32 pkru; member
/linux-6.15/arch/x86/kernel/fpu/
H A Dxstate.h50 extern int copy_uabi_from_kernel_to_xstate(struct fpstate *fpstate, const void *kbuf, u32 *pkru);
75 static inline int update_pkru_in_sigframe(struct xregs_state __user *buf, u64 mask, u32 pkru) in update_pkru_in_sigframe() argument
91 return __put_user(pkru, (unsigned int __user *)get_xsave_addr_user(buf, XFEATURE_PKRU)); in update_pkru_in_sigframe()
284 static inline int xsave_to_user_sigframe(struct xregs_state __user *buf, u32 pkru) in xsave_to_user_sigframe() argument
310 err = update_pkru_in_sigframe(buf, mask, pkru); in xsave_to_user_sigframe()
H A Dxstate.c1155 struct pkru_state pkru = {0}; in __copy_xstate_to_uabi_buf() local
1160 pkru.pkru = pkru_val; in __copy_xstate_to_uabi_buf()
1161 membuf_write(&to, &pkru, sizeof(pkru)); in __copy_xstate_to_uabi_buf()
1196 tsk->thread.pkru, copy_mode); in copy_xstate_to_uabi_buf()
1241 const void __user *ubuf, u32 *pkru) in copy_uabi_to_xstate() argument
1294 *pkru = xpkru->pkru; in copy_uabi_to_xstate()
1300 if (pkru) in copy_uabi_to_xstate()
1301 *pkru = 0; in copy_uabi_to_xstate()
1322 int copy_uabi_from_kernel_to_xstate(struct fpstate *fpstate, const void *kbuf, u32 *pkru) in copy_uabi_from_kernel_to_xstate() argument
1324 return copy_uabi_to_xstate(fpstate, kbuf, NULL, pkru); in copy_uabi_from_kernel_to_xstate()
[all …]
H A Dsignal.c154 static inline int copy_fpregs_to_sigframe(struct xregs_state __user *buf, u32 pkru) in copy_fpregs_to_sigframe() argument
157 return xsave_to_user_sigframe(buf, pkru); in copy_fpregs_to_sigframe()
184 bool copy_fpstate_to_sigframe(void __user *buf, void __user *buf_fx, int size, u32 pkru) in copy_fpstate_to_sigframe() argument
227 ret = copy_fpregs_to_sigframe(buf_fx, pkru); in copy_fpstate_to_sigframe()
H A Dcore.c379 unsigned int size, u64 xfeatures, u32 pkru) in fpu_copy_guest_fpstate_to_uabi() argument
386 __copy_xstate_to_uabi_buf(mb, kstate, xfeatures, pkru, in fpu_copy_guest_fpstate_to_uabi()
H A Dregset.c171 ret = copy_uabi_from_kernel_to_xstate(fpu->fpstate, kbuf ?: tmpbuf, &target->thread.pkru); in xstateregs_set()
/linux-6.15/arch/x86/kernel/
H A Dsignal.c105 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()
H A Dprocess_64.c381 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()
H A Dprocess.c224 p->thread.pkru = pkru_get_init_value(); in copy_thread()
234 p->thread.pkru = read_pkru(); in copy_thread()
/linux-6.15/arch/x86/include/asm/fpu/
H A Dsignal.h32 extern bool copy_fpstate_to_sigframe(void __user *buf, void __user *fp, int size, u32 pkru);
H A Dapi.h161 unsigned int size, u64 xfeatures, u32 pkru);
H A Dtypes.h255 u32 pkru; member
/linux-6.15/arch/x86/kvm/
H A Dmmu.h224 pkru_bits = (vcpu->arch.pkru >> (pte_pkey * 2)) & 3; in permission_fault()
H A Dx86.c1181 vcpu->arch.pkru != vcpu->arch.host_pkru && in kvm_load_guest_xsave_state()
1184 wrpkru(vcpu->arch.pkru); in kvm_load_guest_xsave_state()
1196 vcpu->arch.pkru = rdpkru(); in kvm_load_host_xsave_state()
1197 if (vcpu->arch.pkru != vcpu->arch.host_pkru) in kvm_load_host_xsave_state()
5614 supported_xcr0, vcpu->arch.pkru); in kvm_vcpu_ioctl_x86_get_xsave2()
5634 &vcpu->arch.pkru); in kvm_vcpu_ioctl_x86_set_xsave()
/linux-6.15/tools/testing/selftests/kvm/include/x86/
H A Dprocessor.h605 static inline void wrpkru(u32 pkru) in wrpkru() argument
609 : : "a" (pkru), "c"(0), "d"(0)); in wrpkru()
/linux-6.15/arch/x86/kvm/svm/
H A Dsev.c841 save->pkru = svm->vcpu.arch.pkru; in sev_es_sync_vmsa()
4568 hostsa->pkru = read_pkru(); in sev_es_prepare_switch_to_guest()