machine_kexec.c (60a2f25de7b8b785baee2932db932ae9a5b8c86d) machine_kexec.c (208da1d5fc3c67d8ae5d34e844fd67cc47a136f0)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright IBM Corp. 2005, 2011
4 *
5 * Author(s): Rolf Adelsberger,
6 * Michael Holzheu <holzheu@linux.vnet.ibm.com>
7 */
8

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47{
48 struct kimage *image = data;
49 purgatory_t purgatory;
50 unsigned long prefix;
51
52 purgatory = (purgatory_t)image->start;
53
54 /* store_status() saved the prefix register to lowcore */
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright IBM Corp. 2005, 2011
4 *
5 * Author(s): Rolf Adelsberger,
6 * Michael Holzheu <holzheu@linux.vnet.ibm.com>
7 */
8

--- 38 unchanged lines hidden (view full) ---

47{
48 struct kimage *image = data;
49 purgatory_t purgatory;
50 unsigned long prefix;
51
52 purgatory = (purgatory_t)image->start;
53
54 /* store_status() saved the prefix register to lowcore */
55 prefix = (unsigned long) S390_lowcore.prefixreg_save_area;
55 prefix = (unsigned long)get_lowcore()->prefixreg_save_area;
56
57 /* Now do the reset */
58 s390_reset_system();
59
60 /*
61 * Copy dump CPU store status info to absolute zero.
62 * This need to be done *after* s390_reset_system set the
63 * prefix register of this CPU to zero

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86 this_cpu = smp_find_processor_id(stap());
87 for_each_online_cpu(cpu) {
88 if (cpu == this_cpu)
89 continue;
90 if (smp_store_status(cpu))
91 continue;
92 }
93 /* Store status of the boot CPU */
56
57 /* Now do the reset */
58 s390_reset_system();
59
60 /*
61 * Copy dump CPU store status info to absolute zero.
62 * This need to be done *after* s390_reset_system set the
63 * prefix register of this CPU to zero

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86 this_cpu = smp_find_processor_id(stap());
87 for_each_online_cpu(cpu) {
88 if (cpu == this_cpu)
89 continue;
90 if (smp_store_status(cpu))
91 continue;
92 }
93 /* Store status of the boot CPU */
94 mcesa = __va(S390_lowcore.mcesad & MCESA_ORIGIN_MASK);
94 mcesa = __va(get_lowcore()->mcesad & MCESA_ORIGIN_MASK);
95 if (cpu_has_vx())
96 save_vx_regs((__vector128 *) mcesa->vector_save_area);
97 if (MACHINE_HAS_GS) {
98 local_ctl_store(2, &cr2_old.reg);
99 cr2_new = cr2_old;
100 cr2_new.gse = 1;
101 local_ctl_load(2, &cr2_new.reg);
102 save_gs_cb((struct gs_cb *) mcesa->guarded_storage_save_area);

--- 170 unchanged lines hidden --- 		95 if (cpu_has_vx())
96 save_vx_regs((__vector128 *) mcesa->vector_save_area);
97 if (MACHINE_HAS_GS) {
98 local_ctl_store(2, &cr2_old.reg);
99 cr2_new = cr2_old;
100 cr2_new.gse = 1;
101 local_ctl_load(2, &cr2_new.reg);
102 save_gs_cb((struct gs_cb *) mcesa->guarded_storage_save_area);

--- 170 unchanged lines hidden ---