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Searched refs:gs_cb (Results 1 – 9 of 9) sorted by relevance

/linux/arch/s390/kernel/
H A Dguarded_storage.c17 kfree(tsk->thread.gs_cb); in guarded_storage_release()
23 struct gs_cb *gs_cb; in gs_enable() local
25 if (!current->thread.gs_cb) { in gs_enable()
26 gs_cb = kzalloc(sizeof(*gs_cb), GFP_KERNEL); in gs_enable()
27 if (!gs_cb) in gs_enable()
29 gs_cb->gsd = 25; in gs_enable()
32 load_gs_cb(gs_cb); in gs_enable()
33 current->thread.gs_cb = gs_cb; in gs_enable()
41 if (current->thread.gs_cb) { in gs_disable()
43 kfree(current->thread.gs_cb); in gs_disable()
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H A Dptrace.c80 if (task->thread.gs_cb) in update_cr_regs()
1034 struct gs_cb *data = target->thread.gs_cb; in s390_gs_cb_get()
1042 return membuf_write(&to, data, sizeof(struct gs_cb)); in s390_gs_cb_get()
1050 struct gs_cb gs_cb = { }, *data = NULL; in s390_gs_cb_set() local
1055 if (!target->thread.gs_cb) { in s390_gs_cb_set()
1060 if (!target->thread.gs_cb) in s390_gs_cb_set()
1061 gs_cb.gsd = 25; in s390_gs_cb_set()
1063 save_gs_cb(&gs_cb); in s390_gs_cb_set()
1065 gs_cb = *target->thread.gs_cb; in s390_gs_cb_set()
1067 &gs_cb, 0, sizeof(gs_cb)); in s390_gs_cb_set()
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H A Dprocess.c102 dst->thread.gs_cb = NULL; in arch_dup_task_struct()
198 save_gs_cb(prev->thread.gs_cb); in __switch_to()
203 restore_gs_cb(next->thread.gs_cb); in __switch_to()
H A Dmachine_kexec.c102 save_gs_cb((struct gs_cb *) mcesa->guarded_storage_save_area); in __machine_kdump()
/linux/arch/s390/include/uapi/asm/
H A Dguarded_storage.h7 struct gs_cb { struct
56 static inline void load_gs_cb(struct gs_cb *gs_cb) in load_gs_cb() argument
58 asm volatile(".insn rxy,0xe3000000004d,0,%0" : : "Q" (*gs_cb)); in load_gs_cb()
61 static inline void store_gs_cb(struct gs_cb *gs_cb) in store_gs_cb() argument
63 asm volatile(".insn rxy,0xe30000000049,0,%0" : : "Q" (*gs_cb)); in store_gs_cb()
66 static inline void save_gs_cb(struct gs_cb *gs_cb) in save_gs_cb() argument
68 if (gs_cb) in save_gs_cb()
69 store_gs_cb(gs_cb); in save_gs_cb()
72 static inline void restore_gs_cb(struct gs_cb *gs_cb) in restore_gs_cb() argument
74 if (gs_cb) in restore_gs_cb()
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/linux/arch/s390/kvm/
H A Dpriv.c61 current->thread.gs_cb = (struct gs_cb *)&vcpu->run->s.regs.gscb; in handle_gs()
62 restore_gs_cb(current->thread.gs_cb); in handle_gs()
H A Dkvm-s390.c5122 struct gs_cb *gscb; in sync_regs_fmt2()
5125 gscb = (struct gs_cb *) &kvm_run->s.regs.gscb; in sync_regs_fmt2()
5177 if (current->thread.gs_cb) { in sync_regs_fmt2()
5178 vcpu->arch.host_gscb = current->thread.gs_cb; in sync_regs_fmt2()
5182 current->thread.gs_cb = (struct gs_cb *) in sync_regs_fmt2()
5184 restore_gs_cb(current->thread.gs_cb); in sync_regs_fmt2()
5244 save_gs_cb(current->thread.gs_cb); in store_regs_fmt2()
5245 current->thread.gs_cb = vcpu->arch.host_gscb; in store_regs_fmt2()
H A Dinterrupt.c581 save_gs_cb(current->thread.gs_cb); in __write_machine_check()
/linux/arch/s390/include/asm/
H A Dkvm_host.h756 struct gs_cb *host_gscb;