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-rw-r--r--arch/s390/include/asm/lowcore.h241
-rw-r--r--arch/s390/include/asm/setup.h6
-rw-r--r--arch/s390/include/asm/thread_info.h2
-rw-r--r--arch/s390/kernel/asm-offsets.c91
-rw-r--r--arch/s390/kernel/base.S2
-rw-r--r--arch/s390/kernel/entry.S1
-rw-r--r--arch/s390/kernel/entry64.S2
-rw-r--r--arch/s390/kernel/ftrace.c2
-rw-r--r--arch/s390/kernel/head.S1
-rw-r--r--arch/s390/kernel/ipl.c6
-rw-r--r--arch/s390/kernel/reipl.S2
-rw-r--r--arch/s390/kernel/reipl64.S2
-rw-r--r--arch/s390/kernel/setup.c7
-rw-r--r--arch/s390/kernel/smp.c3
-rw-r--r--arch/s390/kernel/switch_cpu.S1
-rw-r--r--arch/s390/kernel/switch_cpu64.S1
-rw-r--r--arch/s390/kernel/vdso.c1
-rw-r--r--arch/s390/kvm/interrupt.c10
-rw-r--r--arch/s390/kvm/kvm-s390.c1
-rw-r--r--arch/s390/mm/fault.c1
20 files changed, 161 insertions, 222 deletions
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h
index a9eb6834d92..05527c040b7 100644
--- a/arch/s390/include/asm/lowcore.h
+++ b/arch/s390/include/asm/lowcore.h
@@ -1,144 +1,16 @@
/*
- * include/asm-s390/lowcore.h
- *
- * S390 version
- * Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
- * Author(s): Hartmut Penner (hp@de.ibm.com),
- * Martin Schwidefsky (schwidefsky@de.ibm.com),
- * Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
+ * Copyright IBM Corp. 1999,2010
+ * Author(s): Hartmut Penner <hp@de.ibm.com>,
+ * Martin Schwidefsky <schwidefsky@de.ibm.com>,
+ * Denis Joseph Barrow,
*/
#ifndef _ASM_S390_LOWCORE_H
#define _ASM_S390_LOWCORE_H
-#define __LC_IPL_PARMBLOCK_PTR 0x0014
-#define __LC_EXT_PARAMS 0x0080
-#define __LC_CPU_ADDRESS 0x0084
-#define __LC_EXT_INT_CODE 0x0086
-
-#define __LC_SVC_ILC 0x0088
-#define __LC_SVC_INT_CODE 0x008a
-#define __LC_PGM_ILC 0x008c
-#define __LC_PGM_INT_CODE 0x008e
-
-#define __LC_PER_ATMID 0x0096
-#define __LC_PER_ADDRESS 0x0098
-#define __LC_PER_ACCESS_ID 0x00a1
-#define __LC_AR_MODE_ID 0x00a3
-
-#define __LC_SUBCHANNEL_ID 0x00b8
-#define __LC_SUBCHANNEL_NR 0x00ba
-#define __LC_IO_INT_PARM 0x00bc
-#define __LC_IO_INT_WORD 0x00c0
-#define __LC_STFL_FAC_LIST 0x00c8
-#define __LC_MCCK_CODE 0x00e8
-
-#define __LC_DUMP_REIPL 0x0e00
-
-#ifndef __s390x__
-#define __LC_RST_NEW_PSW 0x0000
-#define __LC_RST_OLD_PSW 0x0008
-#define __LC_EXT_OLD_PSW 0x0018
-#define __LC_SVC_OLD_PSW 0x0020
-#define __LC_PGM_OLD_PSW 0x0028
-#define __LC_MCK_OLD_PSW 0x0030
-#define __LC_IO_OLD_PSW 0x0038
-#define __LC_EXT_NEW_PSW 0x0058
-#define __LC_SVC_NEW_PSW 0x0060
-#define __LC_PGM_NEW_PSW 0x0068
-#define __LC_MCK_NEW_PSW 0x0070
-#define __LC_IO_NEW_PSW 0x0078
-#define __LC_SAVE_AREA 0x0200
-#define __LC_RETURN_PSW 0x0240
-#define __LC_RETURN_MCCK_PSW 0x0248
-#define __LC_SYNC_ENTER_TIMER 0x0250
-#define __LC_ASYNC_ENTER_TIMER 0x0258
-#define __LC_EXIT_TIMER 0x0260
-#define __LC_USER_TIMER 0x0268
-#define __LC_SYSTEM_TIMER 0x0270
-#define __LC_STEAL_TIMER 0x0278
-#define __LC_LAST_UPDATE_TIMER 0x0280
-#define __LC_LAST_UPDATE_CLOCK 0x0288
-#define __LC_CURRENT 0x0290
-#define __LC_THREAD_INFO 0x0294
-#define __LC_KERNEL_STACK 0x0298
-#define __LC_ASYNC_STACK 0x029c
-#define __LC_PANIC_STACK 0x02a0
-#define __LC_KERNEL_ASCE 0x02a4
-#define __LC_USER_ASCE 0x02a8
-#define __LC_USER_EXEC_ASCE 0x02ac
-#define __LC_CPUID 0x02b0
-#define __LC_INT_CLOCK 0x02c8
-#define __LC_MACHINE_FLAGS 0x02d8
-#define __LC_FTRACE_FUNC 0x02dc
-#define __LC_IRB 0x0300
-#define __LC_PFAULT_INTPARM 0x0080
-#define __LC_CPU_TIMER_SAVE_AREA 0x00d8
-#define __LC_CLOCK_COMP_SAVE_AREA 0x00e0
-#define __LC_PSW_SAVE_AREA 0x0100
-#define __LC_PREFIX_SAVE_AREA 0x0108
-#define __LC_AREGS_SAVE_AREA 0x0120
-#define __LC_FPREGS_SAVE_AREA 0x0160
-#define __LC_GPREGS_SAVE_AREA 0x0180
-#define __LC_CREGS_SAVE_AREA 0x01c0
-#else /* __s390x__ */
-#define __LC_LAST_BREAK 0x0110
-#define __LC_RST_OLD_PSW 0x0120
-#define __LC_EXT_OLD_PSW 0x0130
-#define __LC_SVC_OLD_PSW 0x0140
-#define __LC_PGM_OLD_PSW 0x0150
-#define __LC_MCK_OLD_PSW 0x0160
-#define __LC_IO_OLD_PSW 0x0170
-#define __LC_RST_NEW_PSW 0x01a0
-#define __LC_EXT_NEW_PSW 0x01b0
-#define __LC_SVC_NEW_PSW 0x01c0
-#define __LC_PGM_NEW_PSW 0x01d0
-#define __LC_MCK_NEW_PSW 0x01e0
-#define __LC_IO_NEW_PSW 0x01f0
-#define __LC_SAVE_AREA 0x0200
-#define __LC_RETURN_PSW 0x0280
-#define __LC_RETURN_MCCK_PSW 0x0290
-#define __LC_SYNC_ENTER_TIMER 0x02a0
-#define __LC_ASYNC_ENTER_TIMER 0x02a8
-#define __LC_EXIT_TIMER 0x02b0
-#define __LC_USER_TIMER 0x02b8
-#define __LC_SYSTEM_TIMER 0x02c0
-#define __LC_STEAL_TIMER 0x02c8
-#define __LC_LAST_UPDATE_TIMER 0x02d0
-#define __LC_LAST_UPDATE_CLOCK 0x02d8
-#define __LC_CURRENT 0x02e0
-#define __LC_THREAD_INFO 0x02e8
-#define __LC_KERNEL_STACK 0x02f0
-#define __LC_ASYNC_STACK 0x02f8
-#define __LC_PANIC_STACK 0x0300
-#define __LC_KERNEL_ASCE 0x0308
-#define __LC_USER_ASCE 0x0310
-#define __LC_USER_EXEC_ASCE 0x0318
-#define __LC_CPUID 0x0320
-#define __LC_INT_CLOCK 0x0340
-#define __LC_VDSO_PER_CPU 0x0350
-#define __LC_MACHINE_FLAGS 0x0358
-#define __LC_FTRACE_FUNC 0x0360
-#define __LC_IRB 0x0380
-#define __LC_PASTE 0x03c0
-#define __LC_PFAULT_INTPARM 0x11b8
-#define __LC_FPREGS_SAVE_AREA 0x1200
-#define __LC_GPREGS_SAVE_AREA 0x1280
-#define __LC_PSW_SAVE_AREA 0x1300
-#define __LC_PREFIX_SAVE_AREA 0x1318
-#define __LC_FP_CREG_SAVE_AREA 0x131c
-#define __LC_TODREG_SAVE_AREA 0x1324
-#define __LC_CPU_TIMER_SAVE_AREA 0x1328
-#define __LC_CLOCK_COMP_SAVE_AREA 0x1331
-#define __LC_AREGS_SAVE_AREA 0x1340
-#define __LC_CREGS_SAVE_AREA 0x1380
-#endif /* __s390x__ */
-
-#ifndef __ASSEMBLY__
-
-#include <asm/cpu.h>
-#include <asm/ptrace.h>
#include <linux/types.h>
+#include <asm/ptrace.h>
+#include <asm/cpu.h>
void restart_int_handler(void);
void ext_int_handler(void);
@@ -149,6 +21,9 @@ void io_int_handler(void);
#ifdef CONFIG_32BIT
+#define LC_ORDER 0
+#define LC_PAGES 1
+
struct save_area {
u32 ext_save;
u64 timer;
@@ -161,46 +36,13 @@ struct save_area {
u64 fp_regs[4];
u32 gp_regs[16];
u32 ctrl_regs[16];
-} __attribute__((packed));
-
-#define SAVE_AREA_BASE offsetof(struct _lowcore, extended_save_area_addr)
-
-#else /* CONFIG_32BIT */
-
-struct save_area {
- u64 fp_regs[16];
- u64 gp_regs[16];
- u8 psw[16];
- u8 pad1[8];
- u32 pref_reg;
- u32 fp_ctrl_reg;
- u8 pad2[4];
- u32 tod_reg;
- u64 timer;
- u64 clk_cmp;
- u8 pad3[8];
- u32 acc_regs[16];
- u64 ctrl_regs[16];
-} __attribute__((packed));
+} __packed;
-#define SAVE_AREA_BASE offsetof(struct _lowcore, floating_pt_save_area)
-
-#endif /* CONFIG_32BIT */
-
-#ifndef __s390x__
-#define LC_ORDER 0
-#else
-#define LC_ORDER 1
-#endif
-
-#define LC_PAGES (1UL << LC_ORDER)
-
-struct _lowcore
-{
-#ifndef __s390x__
- /* 0x0000 - 0x01ff: defined by architecture */
+struct _lowcore {
psw_t restart_psw; /* 0x0000 */
- __u32 ccw2[4]; /* 0x0008 */
+ psw_t restart_old_psw; /* 0x0008 */
+ __u8 pad_0x0010[0x0014-0x0010]; /* 0x0010 */
+ __u32 ipl_parmblock_ptr; /* 0x0014 */
psw_t external_old_psw; /* 0x0018 */
psw_t svc_old_psw; /* 0x0020 */
psw_t program_old_psw; /* 0x0028 */
@@ -226,7 +68,9 @@ struct _lowcore
__u32 monitor_code; /* 0x009c */
__u8 exc_access_id; /* 0x00a0 */
__u8 per_access_id; /* 0x00a1 */
- __u8 pad_0x00a2[0x00b8-0x00a2]; /* 0x00a2 */
+ __u8 op_access_id; /* 0x00a2 */
+ __u8 ar_access_id; /* 0x00a3 */
+ __u8 pad_0x00a4[0x00b8-0x00a4]; /* 0x00a4 */
__u16 subchannel_id; /* 0x00b8 */
__u16 subchannel_nr; /* 0x00ba */
__u32 io_int_parm; /* 0x00bc */
@@ -242,8 +86,9 @@ struct _lowcore
__u32 external_damage_code; /* 0x00f4 */
__u32 failing_storage_address; /* 0x00f8 */
__u8 pad_0x00fc[0x0100-0x00fc]; /* 0x00fc */
- __u32 st_status_fixed_logout[4]; /* 0x0100 */
- __u8 pad_0x0110[0x0120-0x0110]; /* 0x0110 */
+ psw_t psw_save_area; /* 0x0100 */
+ __u32 prefixreg_save_area; /* 0x0108 */
+ __u8 pad_0x010c[0x0120-0x010c]; /* 0x010c */
/* CPU register save area: defined by architecture */
__u32 access_regs_save_area[16]; /* 0x0120 */
@@ -307,10 +152,32 @@ struct _lowcore
/* Align to the top 1k of prefix area */
__u8 pad_0x0e08[0x1000-0x0e08]; /* 0x0e08 */
-#else /* !__s390x__ */
- /* 0x0000 - 0x01ff: defined by architecture */
- __u32 ccw1[2]; /* 0x0000 */
- __u32 ccw2[4]; /* 0x0008 */
+} __packed;
+
+#else /* CONFIG_32BIT */
+
+#define LC_ORDER 1
+#define LC_PAGES 2
+
+struct save_area {
+ u64 fp_regs[16];
+ u64 gp_regs[16];
+ u8 psw[16];
+ u8 pad1[8];
+ u32 pref_reg;
+ u32 fp_ctrl_reg;
+ u8 pad2[4];
+ u32 tod_reg;
+ u64 timer;
+ u64 clk_cmp;
+ u8 pad3[8];
+ u32 acc_regs[16];
+ u64 ctrl_regs[16];
+} __packed;
+
+struct _lowcore {
+ __u8 pad_0x0000[0x0014-0x0000]; /* 0x0000 */
+ __u32 ipl_parmblock_ptr; /* 0x0014 */
__u8 pad_0x0018[0x0080-0x0018]; /* 0x0018 */
__u32 ext_params; /* 0x0080 */
__u16 cpu_addr; /* 0x0084 */
@@ -341,7 +208,9 @@ struct _lowcore
__u8 pad_0x00f0[0x00f4-0x00f0]; /* 0x00f0 */
__u32 external_damage_code; /* 0x00f4 */
addr_t failing_storage_address; /* 0x00f8 */
- __u8 pad_0x0100[0x0120-0x0100]; /* 0x0100 */
+ __u8 pad_0x0100[0x0110-0x0100]; /* 0x0100 */
+ __u64 breaking_event_addr; /* 0x0110 */
+ __u8 pad_0x0118[0x0120-0x0118]; /* 0x0118 */
psw_t restart_old_psw; /* 0x0120 */
psw_t external_old_psw; /* 0x0130 */
psw_t svc_old_psw; /* 0x0140 */
@@ -422,7 +291,7 @@ struct _lowcore
/* CPU register save area: defined by architecture */
__u64 floating_pt_save_area[16]; /* 0x1200 */
__u64 gpregs_save_area[16]; /* 0x1280 */
- __u32 st_status_fixed_logout[4]; /* 0x1300 */
+ psw_t psw_save_area; /* 0x1300 */
__u8 pad_0x1310[0x1318-0x1310]; /* 0x1310 */
__u32 prefixreg_save_area; /* 0x1318 */
__u32 fpt_creg_save_area; /* 0x131c */
@@ -436,10 +305,12 @@ struct _lowcore
/* align to the top of the prefix area */
__u8 pad_0x1400[0x2000-0x1400]; /* 0x1400 */
-#endif /* !__s390x__ */
-} __attribute__((packed)); /* End structure*/
+} __packed;
+
+#endif /* CONFIG_32BIT */
#define S390_lowcore (*((struct _lowcore *) 0))
+
extern struct _lowcore *lowcore_ptr[];
static inline void set_prefix(__u32 address)
@@ -455,6 +326,4 @@ static inline __u32 store_prefix(void)
return address;
}
-#endif
-
-#endif
+#endif /* _ASM_S390_LOWCORE_H */
diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h
index 76f530b65f0..9ab6bd3a65d 100644
--- a/arch/s390/include/asm/setup.h
+++ b/arch/s390/include/asm/setup.h
@@ -14,14 +14,14 @@
#ifdef __KERNEL__
-#include <asm/lowcore.h>
-#include <asm/types.h>
-
#define PARMAREA 0x10400
#define MEMORY_CHUNKS 256
#ifndef __ASSEMBLY__
+#include <asm/lowcore.h>
+#include <asm/types.h>
+
#ifndef __s390x__
#define IPL_DEVICE (*(unsigned long *) (0x10404))
#define INITRD_START (*(unsigned long *) (0x1040C))
diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index 66069e73684..34f0873d652 100644
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -73,7 +73,7 @@ struct thread_info {
/* how to get the thread information struct from C */
static inline struct thread_info *current_thread_info(void)
{
- return (struct thread_info *)((*(unsigned long *) __LC_KERNEL_STACK)-THREAD_SIZE);
+ return (struct thread_info *)(S390_lowcore.kernel_stack - THREAD_SIZE);
}
#define THREAD_SIZE_ORDER THREAD_ORDER
diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c
index a5850a0cfe8..08db736dded 100644
--- a/arch/s390/kernel/asm-offsets.c
+++ b/arch/s390/kernel/asm-offsets.c
@@ -4,8 +4,10 @@
* and format the required data.
*/
-#include <linux/sched.h>
+#define ASM_OFFSETS_C
+
#include <linux/kbuild.h>
+#include <linux/sched.h>
#include <asm/vdso.h>
#include <asm/sigp.h>
@@ -22,8 +24,7 @@ int main(void)
DEFINE(__THREAD_info, offsetof(struct task_struct, stack));
DEFINE(__THREAD_ksp, offsetof(struct task_struct, thread.ksp));
DEFINE(__THREAD_per, offsetof(struct task_struct, thread.per_info));
- DEFINE(__THREAD_mm_segment,
- offsetof(struct task_struct, thread.mm_segment));
+ DEFINE(__THREAD_mm_segment, offsetof(struct task_struct, thread.mm_segment));
BLANK();
DEFINE(__TASK_pid, offsetof(struct task_struct, pid));
BLANK();
@@ -60,18 +61,94 @@ int main(void)
DEFINE(__VDSO_WTOM_NSEC, offsetof(struct vdso_data, wtom_clock_nsec));
DEFINE(__VDSO_TIMEZONE, offsetof(struct vdso_data, tz_minuteswest));
DEFINE(__VDSO_ECTG_OK, offsetof(struct vdso_data, ectg_available));
- DEFINE(__VDSO_ECTG_BASE,
- offsetof(struct vdso_per_cpu_data, ectg_timer_base));
- DEFINE(__VDSO_ECTG_USER,
- offsetof(struct vdso_per_cpu_data, ectg_user_time));
+ DEFINE(__VDSO_ECTG_BASE, offsetof(struct vdso_per_cpu_data, ectg_timer_base));
+ DEFINE(__VDSO_ECTG_USER, offsetof(struct vdso_per_cpu_data, ectg_user_time));
/* constants used by the vdso */
DEFINE(CLOCK_REALTIME, CLOCK_REALTIME);
DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC);
DEFINE(CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC);
+ BLANK();
/* constants for SIGP */
DEFINE(__SIGP_STOP, sigp_stop);
DEFINE(__SIGP_RESTART, sigp_restart);
DEFINE(__SIGP_SENSE, sigp_sense);
DEFINE(__SIGP_INITIAL_CPU_RESET, sigp_initial_cpu_reset);
+ BLANK();
+ /* lowcore offsets */
+ DEFINE(__LC_EXT_PARAMS, offsetof(struct _lowcore, ext_params));
+ DEFINE(__LC_CPU_ADDRESS, offsetof(struct _lowcore, cpu_addr));
+ DEFINE(__LC_EXT_INT_CODE, offsetof(struct _lowcore, ext_int_code));
+ DEFINE(__LC_SVC_ILC, offsetof(struct _lowcore, svc_ilc));
+ DEFINE(__LC_SVC_INT_CODE, offsetof(struct _lowcore, svc_code));
+ DEFINE(__LC_PGM_ILC, offsetof(struct _lowcore, pgm_ilc));
+ DEFINE(__LC_PGM_INT_CODE, offsetof(struct _lowcore, pgm_code));
+ DEFINE(__LC_PER_ATMID, offsetof(struct _lowcore, per_perc_atmid));
+ DEFINE(__LC_PER_ADDRESS, offsetof(struct _lowcore, per_address));
+ DEFINE(__LC_PER_ACCESS_ID, offsetof(struct _lowcore, per_access_id));
+ DEFINE(__LC_AR_MODE_ID, offsetof(struct _lowcore, ar_access_id));
+ DEFINE(__LC_SUBCHANNEL_ID, offsetof(struct _lowcore, subchannel_id));
+ DEFINE(__LC_SUBCHANNEL_NR, offsetof(struct _lowcore, subchannel_nr));
+ DEFINE(__LC_IO_INT_PARM, offsetof(struct _lowcore, io_int_parm));
+ DEFINE(__LC_IO_INT_WORD, offsetof(struct _lowcore, io_int_word));
+ DEFINE(__LC_STFL_FAC_LIST, offsetof(struct _lowcore, stfl_fac_list));
+ DEFINE(__LC_MCCK_CODE, offsetof(struct _lowcore, mcck_interruption_code));
+ DEFINE(__LC_DUMP_REIPL, offsetof(struct _lowcore, ipib));
+ BLANK();
+ DEFINE(__LC_RST_NEW_PSW, offsetof(struct _lowcore, restart_psw));
+ DEFINE(__LC_RST_OLD_PSW, offsetof(struct _lowcore, restart_old_psw));
+ DEFINE(__LC_EXT_OLD_PSW, offsetof(struct _lowcore, external_old_psw));
+ DEFINE(__LC_SVC_OLD_PSW, offsetof(struct _lowcore, svc_old_psw));
+ DEFINE(__LC_PGM_OLD_PSW, offsetof(struct _lowcore, program_old_psw));
+ DEFINE(__LC_MCK_OLD_PSW, offsetof(struct _lowcore, mcck_old_psw));
+ DEFINE(__LC_IO_OLD_PSW, offsetof(struct _lowcore, io_old_psw));
+ DEFINE(__LC_EXT_NEW_PSW, offsetof(struct _lowcore, external_new_psw));
+ DEFINE(__LC_SVC_NEW_PSW, offsetof(struct _lowcore, svc_new_psw));
+ DEFINE(__LC_PGM_NEW_PSW, offsetof(struct _lowcore, program_new_psw));
+ DEFINE(__LC_MCK_NEW_PSW, offsetof(struct _lowcore, mcck_new_psw));
+ DEFINE(__LC_IO_NEW_PSW, offsetof(struct _lowcore, io_new_psw));
+ DEFINE(__LC_SAVE_AREA, offsetof(struct _lowcore, save_area));
+ DEFINE(__LC_RETURN_PSW, offsetof(struct _lowcore, return_psw));
+ DEFINE(__LC_RETURN_MCCK_PSW, offsetof(struct _lowcore, return_mcck_psw));
+ DEFINE(__LC_SYNC_ENTER_TIMER, offsetof(struct _lowcore, sync_enter_timer));
+ DEFINE(__LC_ASYNC_ENTER_TIMER, offsetof(struct _lowcore, async_enter_timer));
+ DEFINE(__LC_EXIT_TIMER, offsetof(struct _lowcore, exit_timer));
+ DEFINE(__LC_USER_TIMER, offsetof(struct _lowcore, user_timer));
+ DEFINE(__LC_SYSTEM_TIMER, offsetof(struct _lowcore, system_timer));
+ DEFINE(__LC_STEAL_TIMER, offsetof(struct _lowcore, steal_timer));
+ DEFINE(__LC_LAST_UPDATE_TIMER, offsetof(struct _lowcore, last_update_timer));
+ DEFINE(__LC_LAST_UPDATE_CLOCK, offsetof(struct _lowcore, last_update_clock));
+ DEFINE(__LC_CURRENT, offsetof(struct _lowcore, current_task));
+ DEFINE(__LC_THREAD_INFO, offsetof(struct _lowcore, thread_info));
+ DEFINE(__LC_KERNEL_STACK, offsetof(struct _lowcore, kernel_stack));
+ DEFINE(__LC_ASYNC_STACK, offsetof(struct _lowcore, async_stack));
+ DEFINE(__LC_PANIC_STACK, offsetof(struct _lowcore, panic_stack));
+ DEFINE(__LC_KERNEL_ASCE, offsetof(struct _lowcore, kernel_asce));
+ DEFINE(__LC_USER_ASCE, offsetof(struct _lowcore, user_asce));
+ DEFINE(__LC_USER_EXEC_ASCE, offsetof(struct _lowcore, user_exec_asce));
+ DEFINE(__LC_CPUID, offsetof(struct _lowcore, cpu_id));
+ DEFINE(__LC_INT_CLOCK, offsetof(struct _lowcore, int_clock));
+ DEFINE(__LC_MACHINE_FLAGS, offsetof(struct _lowcore, machine_flags));
+ DEFINE(__LC_FTRACE_FUNC, offsetof(struct _lowcore, ftrace_func));
+ DEFINE(__LC_IRB, offsetof(struct _lowcore, irb));
+ DEFINE(__LC_CPU_TIMER_SAVE_AREA, offsetof(struct _lowcore, cpu_timer_save_area));
+ DEFINE(__LC_CLOCK_COMP_SAVE_AREA, offsetof(struct _lowcore, clock_comp_save_area));
+ DEFINE(__LC_PSW_SAVE_AREA, offsetof(struct _lowcore, psw_save_area));
+ DEFINE(__LC_PREFIX_SAVE_AREA, offsetof(struct _lowcore, prefixreg_save_area));
+ DEFINE(__LC_AREGS_SAVE_AREA, offsetof(struct _lowcore, access_regs_save_area));
+ DEFINE(__LC_FPREGS_SAVE_AREA, offsetof(struct _lowcore, floating_pt_save_area));
+ DEFINE(__LC_GPREGS_SAVE_AREA, offsetof(struct _lowcore, gpregs_save_area));
+ DEFINE(__LC_CREGS_SAVE_AREA, offsetof(struct _lowcore, cregs_save_area));
+#ifdef CONFIG_32BIT
+ DEFINE(__LC_PFAULT_INTPARM, offsetof(struct _lowcore, ext_params));
+ DEFINE(SAVE_AREA_BASE, offsetof(struct _lowcore, extended_save_area_addr));
+#else /* CONFIG_32BIT */
+ DEFINE(__LC_PFAULT_INTPARM, offsetof(struct _lowcore, ext_params2));
+ DEFINE(__LC_EXT_PARAMS2, offsetof(struct _lowcore, ext_params2));
+ DEFINE(SAVE_AREA_BASE, offsetof(struct _lowcore, floating_pt_save_area));
+ DEFINE(__LC_PASTE, offsetof(struct _lowcore, paste));
+ DEFINE(__LC_FP_CREG_SAVE_AREA, offsetof(struct _lowcore, fpt_creg_save_area));
+ DEFINE(__LC_LAST_BREAK, offsetof(struct _lowcore, breaking_event_addr));
+ DEFINE(__LC_VDSO_PER_CPU, offsetof(struct _lowcore, vdso_per_cpu_data));
+#endif /* CONFIG_32BIT */
return 0;
}
diff --git a/arch/s390/kernel/base.S b/arch/s390/kernel/base.S
index dc7e5259770..15e46ca9433 100644
--- a/arch/s390/kernel/base.S
+++ b/arch/s390/kernel/base.S
@@ -6,8 +6,8 @@
* Michael Holzheu <holzheu@de.ibm.com>
*/
+#include <asm/asm-offsets.h>
#include <asm/ptrace.h>
-#include <asm/lowcore.h>
#ifdef CONFIG_64BIT
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index e8ef21c51bb..4348f9bc539 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -13,7 +13,6 @@
#include <linux/linkage.h>
#include <linux/init.h>
#include <asm/cache.h>
-#include <asm/lowcore.h>
#include <asm/errno.h>
#include <asm/ptrace.h>
#include <asm/thread_info.h>
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index f33658f09dd..29fd0f1e6ec 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -9,11 +9,9 @@
* Heiko Carstens <heiko.carstens@de.ibm.com>
*/
-#include <linux/sys.h>
#include <linux/linkage.h>
#include <linux/init.h>
#include <asm/cache.h>
-#include <asm/lowcore.h>
#include <asm/errno.h>
#include <asm/ptrace.h>
#include <asm/thread_info.h>
diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c
index 5a82bc68193..314d8f09cf3 100644
--- a/arch/s390/kernel/ftrace.c
+++ b/arch/s390/kernel/ftrace.c
@@ -13,7 +13,7 @@
#include <linux/kernel.h>
#include <linux/types.h>
#include <trace/syscall.h>
-#include <asm/lowcore.h>
+#include <asm/asm-offsets.h>
#ifdef CONFIG_DYNAMIC_FTRACE
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S
index c52b4f7742f..9e4dc608487 100644
--- a/arch/s390/kernel/head.S
+++ b/arch/s390/kernel/head.S
@@ -23,7 +23,6 @@
#include <linux/init.h>
#include <asm/setup.h>
-#include <asm/lowcore.h>
#include <asm/asm-offsets.h>
#include <asm/thread_info.h>
#include <asm/page.h>
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index 998bde3ec5e..7eedbbcb54a 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -1917,7 +1917,6 @@ void __init ipl_update_parameters(void)
void __init ipl_save_parameters(void)
{
struct cio_iplinfo iplinfo;
- unsigned int *ipl_ptr;
void *src, *dst;
if (cio_get_iplinfo(&iplinfo))
@@ -1928,11 +1927,10 @@ void __init ipl_save_parameters(void)
if (!iplinfo.is_qdio)
return;
ipl_flags |= IPL_PARMBLOCK_VALID;
- ipl_ptr = (unsigned int *)__LC_IPL_PARMBLOCK_PTR;
- src = (void *)(unsigned long)*ipl_ptr;
+ src = (void *)(unsigned long)S390_lowcore.ipl_parmblock_ptr;
dst = (void *)IPL_PARMBLOCK_ORIGIN;
memmove(dst, src, PAGE_SIZE);
- *ipl_ptr = IPL_PARMBLOCK_ORIGIN;
+ S390_lowcore.ipl_parmblock_ptr = IPL_PARMBLOCK_ORIGIN;
}
static LIST_HEAD(rcall);
diff --git a/arch/s390/kernel/reipl.S b/arch/s390/kernel/reipl.S
index 2f481cc3d1c..cb899d9f850 100644
--- a/arch/s390/kernel/reipl.S
+++ b/arch/s390/kernel/reipl.S
@@ -6,7 +6,7 @@
* Author(s): Holger Smolinski (Holger.Smolinski@de.ibm.com)
*/
-#include <asm/lowcore.h>
+#include <asm/asm-offsets.h>
#
# do_reipl_asm
diff --git a/arch/s390/kernel/reipl64.S b/arch/s390/kernel/reipl64.S
index 774147824c3..5e73dee63ba 100644
--- a/arch/s390/kernel/reipl64.S
+++ b/arch/s390/kernel/reipl64.S
@@ -4,7 +4,7 @@
* Denis Joseph Barrow,
*/
-#include <asm/lowcore.h>
+#include <asm/asm-offsets.h>
#
# do_reipl_asm
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index d9fb98cde0f..77a63ae419f 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -396,15 +396,12 @@ static void __init
setup_lowcore(void)
{
struct _lowcore *lc;
- int lc_pages;
/*
* Setup lowcore for boot cpu
*/
- lc_pages = sizeof(void *) == 8 ? 2 : 1;
- lc = (struct _lowcore *)
- __alloc_bootmem(lc_pages * PAGE_SIZE, lc_pages * PAGE_SIZE, 0);
- memset(lc, 0, lc_pages * PAGE_SIZE);
+ BUILD_BUG_ON(sizeof(struct _lowcore) != LC_PAGES * 4096);
+ lc = __alloc_bootmem(LC_PAGES * PAGE_SIZE, LC_PAGES * PAGE_SIZE, 0);
lc->restart_psw.mask = PSW_BASE_BITS | PSW_DEFAULT_KEY;
lc->restart_psw.addr =
PSW_ADDR_AMODE | (unsigned long) restart_int_handler;
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index d8a0b115c7c..8b10127c00a 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -36,6 +36,7 @@
#include <linux/cpu.h>
#include <linux/timex.h>
#include <linux/bootmem.h>
+#include <asm/asm-offsets.h>
#include <asm/ipl.h>
#include <asm/setup.h>
#include <asm/sigp.h>
@@ -121,7 +122,7 @@ void smp_switch_to_ipl_cpu(void (*func)(void *), void *data)
sp -= sizeof(struct pt_regs);
regs = (struct pt_regs *) sp;
memcpy(&regs->gprs, &current_lc->gpregs_save_area, sizeof(regs->gprs));
- memcpy(&regs->psw, &current_lc->st_status_fixed_logout, sizeof(psw_t));
+ regs->psw = lc->psw_save_area;
sp -= STACK_FRAME_OVERHEAD;
sf = (struct stack_frame *) sp;
sf->back_chain = regs->gprs[15];
diff --git a/arch/s390/kernel/switch_cpu.S b/arch/s390/kernel/switch_cpu.S
index c05ee6c221d..469f11b574f 100644
--- a/arch/s390/kernel/switch_cpu.S
+++ b/arch/s390/kernel/switch_cpu.S
@@ -6,7 +6,6 @@
*/
#include <asm/asm-offsets.h>
-#include <asm/lowcore.h>
#include <asm/ptrace.h>
# smp_switch_to_cpu switches to destination cpu and executes the passed function
diff --git a/arch/s390/kernel/switch_cpu64.S b/arch/s390/kernel/switch_cpu64.S
index c73ede3c1d6..d94aacc898c 100644
--- a/arch/s390/kernel/switch_cpu64.S
+++ b/arch/s390/kernel/switch_cpu64.S
@@ -6,7 +6,6 @@
*/
#include <asm/asm-offsets.h>
-#include <asm/lowcore.h>
#include <asm/ptrace.h>
# smp_switch_to_cpu switches to destination cpu and executes the passed function
diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c
index 5f99e66c51c..6bc9c197aa9 100644
--- a/arch/s390/kernel/vdso.c
+++ b/arch/s390/kernel/vdso.c
@@ -23,6 +23,7 @@
#include <linux/security.h>
#include <linux/bootmem.h>
#include <linux/compat.h>
+#include <asm/asm-offsets.h>
#include <asm/pgtable.h>
#include <asm/system.h>
#include <asm/processor.h>
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index da20c3df3ec..834774d8d5f 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -10,12 +10,12 @@
* Author(s): Carsten Otte <cotte@de.ibm.com>
*/
-#include <asm/lowcore.h>
-#include <asm/uaccess.h>
-#include <linux/hrtimer.h>
#include <linux/interrupt.h>
#include <linux/kvm_host.h>
+#include <linux/hrtimer.h>
#include <linux/signal.h>
+#include <asm/asm-offsets.h>
+#include <asm/uaccess.h>
#include "kvm-s390.h"
#include "gaccess.h"
@@ -187,8 +187,8 @@ static void __do_deliver_interrupt(struct kvm_vcpu *vcpu,
if (rc == -EFAULT)
exception = 1;
- rc = put_guest_u64(vcpu, __LC_PFAULT_INTPARM,
- inti->ext.ext_params2);
+ rc = put_guest_u64(vcpu, __LC_EXT_PARAMS2,
+ inti->ext.ext_params2);
if (rc == -EFAULT)
exception = 1;
break;
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 7f19340481b..3fa0a10e466 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -23,6 +23,7 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/timer.h>
+#include <asm/asm-offsets.h>
#include <asm/lowcore.h>
#include <asm/pgtable.h>
#include <asm/nmi.h>
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index fc102e70d9c..8af5b3cbed5 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -30,6 +30,7 @@
#include <linux/kprobes.h>
#include <linux/uaccess.h>
#include <linux/hugetlb.h>
+#include <asm/asm-offsets.h>
#include <asm/system.h>
#include <asm/pgtable.h>
#include <asm/s390_ext.h>
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-28 02:33:54 +0000