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-rw-r--r--arch/s390/boot/compressed/head31.S4
-rw-r--r--arch/s390/boot/compressed/head64.S4
-rw-r--r--arch/s390/crypto/sha256_s390.c66
-rw-r--r--arch/s390/include/asm/irqflags.h16
-rw-r--r--arch/s390/include/asm/kvm_host.h12
-rw-r--r--arch/s390/include/asm/linkage.h5
-rw-r--r--arch/s390/include/asm/lowcore.h2
-rw-r--r--arch/s390/include/asm/mmu.h4
-rw-r--r--arch/s390/include/asm/pgalloc.h7
-rw-r--r--arch/s390/include/asm/pgtable.h42
-rw-r--r--arch/s390/include/asm/processor.h1
-rw-r--r--arch/s390/include/asm/thread_info.h2
-rw-r--r--arch/s390/include/asm/tlbflush.h2
-rw-r--r--arch/s390/kernel/asm-offsets.c2
-rw-r--r--arch/s390/kernel/base.S25
-rw-r--r--arch/s390/kernel/compat_wrapper.S836
-rw-r--r--arch/s390/kernel/entry.S32
-rw-r--r--arch/s390/kernel/entry.h7
-rw-r--r--arch/s390/kernel/entry64.S111
-rw-r--r--arch/s390/kernel/head.S7
-rw-r--r--arch/s390/kernel/head31.S13
-rw-r--r--arch/s390/kernel/head64.S13
-rw-r--r--arch/s390/kernel/irq.c83
-rw-r--r--arch/s390/kernel/mcount.S16
-rw-r--r--arch/s390/kernel/mcount64.S16
-rw-r--r--arch/s390/kernel/module.c20
-rw-r--r--arch/s390/kernel/reipl.S5
-rw-r--r--arch/s390/kernel/reipl64.S5
-rw-r--r--arch/s390/kernel/relocate_kernel.S6
-rw-r--r--arch/s390/kernel/relocate_kernel64.S6
-rw-r--r--arch/s390/kernel/s390_ksyms.c4
-rw-r--r--arch/s390/kernel/sclp.S5
-rw-r--r--arch/s390/kernel/smp.c3
-rw-r--r--arch/s390/kernel/switch_cpu.S8
-rw-r--r--arch/s390/kernel/switch_cpu64.S8
-rw-r--r--arch/s390/kernel/swsusp_asm64.S8
-rw-r--r--arch/s390/kernel/traps.c36
-rw-r--r--arch/s390/kvm/Kconfig1
-rw-r--r--arch/s390/kvm/Makefile2
-rw-r--r--arch/s390/kvm/gaccess.h243
-rw-r--r--arch/s390/kvm/intercept.c35
-rw-r--r--arch/s390/kvm/interrupt.c4
-rw-r--r--arch/s390/kvm/kvm-s390.c48
-rw-r--r--arch/s390/kvm/kvm-s390.h28
-rw-r--r--arch/s390/kvm/priv.c49
-rw-r--r--arch/s390/kvm/sie64a.S98
-rw-r--r--arch/s390/kvm/sigp.c6
-rw-r--r--arch/s390/lib/qrnnd.S5
-rw-r--r--arch/s390/mm/fault.c24
-rw-r--r--arch/s390/mm/hugetlbpage.c2
-rw-r--r--arch/s390/mm/pgtable.c421
-rw-r--r--arch/s390/mm/vmem.c8
52 files changed, 1359 insertions, 1057 deletions
diff --git a/arch/s390/boot/compressed/head31.S b/arch/s390/boot/compressed/head31.S
index 2a5523a32bc..e8c9e18b803 100644
--- a/arch/s390/boot/compressed/head31.S
+++ b/arch/s390/boot/compressed/head31.S
@@ -7,14 +7,14 @@
*/
#include <linux/init.h>
+#include <linux/linkage.h>
#include <asm/asm-offsets.h>
#include <asm/thread_info.h>
#include <asm/page.h>
#include "sizes.h"
__HEAD
- .globl startup_continue
-startup_continue:
+ENTRY(startup_continue)
basr %r13,0 # get base
.LPG1:
# setup stack
diff --git a/arch/s390/boot/compressed/head64.S b/arch/s390/boot/compressed/head64.S
index 2982cb14055..f86a4eef28a 100644
--- a/arch/s390/boot/compressed/head64.S
+++ b/arch/s390/boot/compressed/head64.S
@@ -7,14 +7,14 @@
*/
#include <linux/init.h>
+#include <linux/linkage.h>
#include <asm/asm-offsets.h>
#include <asm/thread_info.h>
#include <asm/page.h>
#include "sizes.h"
__HEAD
- .globl startup_continue
-startup_continue:
+ENTRY(startup_continue)
basr %r13,0 # get base
.LPG1:
# setup stack
diff --git a/arch/s390/crypto/sha256_s390.c b/arch/s390/crypto/sha256_s390.c
index 5ed8d64fc2e..0317a3547cb 100644
--- a/arch/s390/crypto/sha256_s390.c
+++ b/arch/s390/crypto/sha256_s390.c
@@ -1,15 +1,12 @@
/*
* Cryptographic API.
*
- * s390 implementation of the SHA256 Secure Hash Algorithm.
+ * s390 implementation of the SHA256 and SHA224 Secure Hash Algorithm.
*
* s390 Version:
- * Copyright IBM Corp. 2005,2007
+ * Copyright IBM Corp. 2005,2011
* Author(s): Jan Glauber (jang@de.ibm.com)
*
- * Derived from "crypto/sha256_generic.c"
- * and "arch/s390/crypto/sha1_s390.c"
- *
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
@@ -65,7 +62,7 @@ static int sha256_import(struct shash_desc *desc, const void *in)
return 0;
}
-static struct shash_alg alg = {
+static struct shash_alg sha256_alg = {
.digestsize = SHA256_DIGEST_SIZE,
.init = sha256_init,
.update = s390_sha_update,
@@ -84,22 +81,69 @@ static struct shash_alg alg = {
}
};
-static int sha256_s390_init(void)
+static int sha224_init(struct shash_desc *desc)
{
+ struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
+
+ sctx->state[0] = SHA224_H0;
+ sctx->state[1] = SHA224_H1;
+ sctx->state[2] = SHA224_H2;
+ sctx->state[3] = SHA224_H3;
+ sctx->state[4] = SHA224_H4;
+ sctx->state[5] = SHA224_H5;
+ sctx->state[6] = SHA224_H6;
+ sctx->state[7] = SHA224_H7;
+ sctx->count = 0;
+ sctx->func = KIMD_SHA_256;
+
+ return 0;
+}
+
+static struct shash_alg sha224_alg = {
+ .digestsize = SHA224_DIGEST_SIZE,
+ .init = sha224_init,
+ .update = s390_sha_update,
+ .final = s390_sha_final,
+ .export = sha256_export,
+ .import = sha256_import,
+ .descsize = sizeof(struct s390_sha_ctx),
+ .statesize = sizeof(struct sha256_state),
+ .base = {
+ .cra_name = "sha224",
+ .cra_driver_name= "sha224-s390",
+ .cra_priority = CRYPT_S390_PRIORITY,
+ .cra_flags = CRYPTO_ALG_TYPE_SHASH,
+ .cra_blocksize = SHA224_BLOCK_SIZE,
+ .cra_module = THIS_MODULE,
+ }
+};
+
+static int __init sha256_s390_init(void)
+{
+ int ret;
+
if (!crypt_s390_func_available(KIMD_SHA_256, CRYPT_S390_MSA))
return -EOPNOTSUPP;
-
- return crypto_register_shash(&alg);
+ ret = crypto_register_shash(&sha256_alg);
+ if (ret < 0)
+ goto out;
+ ret = crypto_register_shash(&sha224_alg);
+ if (ret < 0)
+ crypto_unregister_shash(&sha256_alg);
+out:
+ return ret;
}
static void __exit sha256_s390_fini(void)
{
- crypto_unregister_shash(&alg);
+ crypto_unregister_shash(&sha224_alg);
+ crypto_unregister_shash(&sha256_alg);
}
module_init(sha256_s390_init);
module_exit(sha256_s390_fini);
MODULE_ALIAS("sha256");
+MODULE_ALIAS("sha224");
MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("SHA256 Secure Hash Algorithm");
+MODULE_DESCRIPTION("SHA256 and SHA224 Secure Hash Algorithm");
diff --git a/arch/s390/include/asm/irqflags.h b/arch/s390/include/asm/irqflags.h
index 865d6d891ac..38fdf451feb 100644
--- a/arch/s390/include/asm/irqflags.h
+++ b/arch/s390/include/asm/irqflags.h
@@ -29,42 +29,42 @@
})
/* set system mask. */
-static inline void __arch_local_irq_ssm(unsigned long flags)
+static inline notrace void __arch_local_irq_ssm(unsigned long flags)
{
asm volatile("ssm %0" : : "Q" (flags) : "memory");
}
-static inline unsigned long arch_local_save_flags(void)
+static inline notrace unsigned long arch_local_save_flags(void)
{
return __arch_local_irq_stosm(0x00);
}
-static inline unsigned long arch_local_irq_save(void)
+static inline notrace unsigned long arch_local_irq_save(void)
{
return __arch_local_irq_stnsm(0xfc);
}
-static inline void arch_local_irq_disable(void)
+static inline notrace void arch_local_irq_disable(void)
{
arch_local_irq_save();
}
-static inline void arch_local_irq_enable(void)
+static inline notrace void arch_local_irq_enable(void)
{
__arch_local_irq_stosm(0x03);
}
-static inline void arch_local_irq_restore(unsigned long flags)
+static inline notrace void arch_local_irq_restore(unsigned long flags)
{
__arch_local_irq_ssm(flags);
}
-static inline bool arch_irqs_disabled_flags(unsigned long flags)
+static inline notrace bool arch_irqs_disabled_flags(unsigned long flags)
{
return !(flags & (3UL << (BITS_PER_LONG - 8)));
}
-static inline bool arch_irqs_disabled(void)
+static inline notrace bool arch_irqs_disabled(void)
{
return arch_irqs_disabled_flags(arch_local_save_flags());
}
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index cef7dbf69df..00ff00dfb24 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -93,9 +93,7 @@ struct kvm_s390_sie_block {
__u32 scaol; /* 0x0064 */
__u8 reserved68[4]; /* 0x0068 */
__u32 todpr; /* 0x006c */
- __u8 reserved70[16]; /* 0x0070 */
- __u64 gmsor; /* 0x0080 */
- __u64 gmslm; /* 0x0088 */
+ __u8 reserved70[32]; /* 0x0070 */
psw_t gpsw; /* 0x0090 */
__u64 gg14; /* 0x00a0 */
__u64 gg15; /* 0x00a8 */
@@ -138,6 +136,7 @@ struct kvm_vcpu_stat {
u32 instruction_chsc;
u32 instruction_stsi;
u32 instruction_stfl;
+ u32 instruction_tprot;
u32 instruction_sigp_sense;
u32 instruction_sigp_emergency;
u32 instruction_sigp_stop;
@@ -175,6 +174,10 @@ struct kvm_s390_prefix_info {
__u32 address;
};
+struct kvm_s390_emerg_info {
+ __u16 code;
+};
+
struct kvm_s390_interrupt_info {
struct list_head list;
u64 type;
@@ -182,6 +185,7 @@ struct kvm_s390_interrupt_info {
struct kvm_s390_io_info io;
struct kvm_s390_ext_info ext;
struct kvm_s390_pgm_info pgm;
+ struct kvm_s390_emerg_info emerg;
struct kvm_s390_prefix_info prefix;
};
};
@@ -226,6 +230,7 @@ struct kvm_vcpu_arch {
struct cpuid cpu_id;
u64 stidp_data;
};
+ struct gmap *gmap;
};
struct kvm_vm_stat {
@@ -236,6 +241,7 @@ struct kvm_arch{
struct sca_block *sca;
debug_info_t *dbf;
struct kvm_s390_float_interrupt float_int;
+ struct gmap *gmap;
};
extern int sie64a(struct kvm_s390_sie_block *, unsigned long *);
diff --git a/arch/s390/include/asm/linkage.h b/arch/s390/include/asm/linkage.h
index 291c2d01c44..fc8a8284778 100644
--- a/arch/s390/include/asm/linkage.h
+++ b/arch/s390/include/asm/linkage.h
@@ -1,6 +1,9 @@
#ifndef __ASM_LINKAGE_H
#define __ASM_LINKAGE_H
-/* Nothing to see here... */
+#include <linux/stringify.h>
+
+#define __ALIGN .align 4, 0x07
+#define __ALIGN_STR __stringify(__ALIGN)
#endif
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h
index 228cf0b295d..f26280d9e88 100644
--- a/arch/s390/include/asm/lowcore.h
+++ b/arch/s390/include/asm/lowcore.h
@@ -268,7 +268,7 @@ struct _lowcore {
__u64 vdso_per_cpu_data; /* 0x0358 */
__u64 machine_flags; /* 0x0360 */
__u64 ftrace_func; /* 0x0368 */
- __u64 sie_hook; /* 0x0370 */
+ __u64 gmap; /* 0x0370 */
__u64 cmf_hpp; /* 0x0378 */
/* Interrupt response block. */
diff --git a/arch/s390/include/asm/mmu.h b/arch/s390/include/asm/mmu.h
index 82d0847896a..4506791adcd 100644
--- a/arch/s390/include/asm/mmu.h
+++ b/arch/s390/include/asm/mmu.h
@@ -6,6 +6,7 @@ typedef struct {
unsigned int flush_mm;
spinlock_t list_lock;
struct list_head pgtable_list;
+ struct list_head gmap_list;
unsigned long asce_bits;
unsigned long asce_limit;
unsigned long vdso_base;
@@ -17,6 +18,7 @@ typedef struct {
#define INIT_MM_CONTEXT(name) \
.context.list_lock = __SPIN_LOCK_UNLOCKED(name.context.list_lock), \
- .context.pgtable_list = LIST_HEAD_INIT(name.context.pgtable_list),
+ .context.pgtable_list = LIST_HEAD_INIT(name.context.pgtable_list), \
+ .context.gmap_list = LIST_HEAD_INIT(name.context.gmap_list),
#endif
diff --git a/arch/s390/include/asm/pgalloc.h b/arch/s390/include/asm/pgalloc.h
index 38e71ebcd3c..8eef9b5b3cf 100644
--- a/arch/s390/include/asm/pgalloc.h
+++ b/arch/s390/include/asm/pgalloc.h
@@ -20,7 +20,7 @@
unsigned long *crst_table_alloc(struct mm_struct *);
void crst_table_free(struct mm_struct *, unsigned long *);
-unsigned long *page_table_alloc(struct mm_struct *);
+unsigned long *page_table_alloc(struct mm_struct *, unsigned long);
void page_table_free(struct mm_struct *, unsigned long *);
#ifdef CONFIG_HAVE_RCU_TABLE_FREE
void page_table_free_rcu(struct mmu_gather *, unsigned long *);
@@ -115,6 +115,7 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm)
{
spin_lock_init(&mm->context.list_lock);
INIT_LIST_HEAD(&mm->context.pgtable_list);
+ INIT_LIST_HEAD(&mm->context.gmap_list);
return (pgd_t *) crst_table_alloc(mm);
}
#define pgd_free(mm, pgd) crst_table_free(mm, (unsigned long *) pgd)
@@ -133,8 +134,8 @@ static inline void pmd_populate(struct mm_struct *mm,
/*
* page table entry allocation/free routines.
*/
-#define pte_alloc_one_kernel(mm, vmaddr) ((pte_t *) page_table_alloc(mm))
-#define pte_alloc_one(mm, vmaddr) ((pte_t *) page_table_alloc(mm))
+#define pte_alloc_one_kernel(mm, vmaddr) ((pte_t *) page_table_alloc(mm, vmaddr))
+#define pte_alloc_one(mm, vmaddr) ((pte_t *) page_table_alloc(mm, vmaddr))
#define pte_free_kernel(mm, pte) page_table_free(mm, (unsigned long *) pte)
#define pte_free(mm, pte) page_table_free(mm, (unsigned long *) pte)
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 801fbe1d837..519eb5f187e 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -654,6 +654,48 @@ static inline void pgste_set_pte(pte_t *ptep, pgste_t pgste)
#endif
}
+/**
+ * struct gmap_struct - guest address space
+ * @mm: pointer to the parent mm_struct
+ * @table: pointer to the page directory
+ * @crst_list: list of all crst tables used in the guest address space
+ */
+struct gmap {
+ struct list_head list;
+ struct mm_struct *mm;
+ unsigned long *table;
+ struct list_head crst_list;
+};
+
+/**
+ * struct gmap_rmap - reverse mapping for segment table entries
+ * @next: pointer to the next gmap_rmap structure in the list
+ * @entry: pointer to a segment table entry
+ */
+struct gmap_rmap {
+ struct list_head list;
+ unsigned long *entry;
+};
+
+/**
+ * struct gmap_pgtable - gmap information attached to a page table
+ * @vmaddr: address of the 1MB segment in the process virtual memory
+ * @mapper: list of segment table entries maping a page table
+ */
+struct gmap_pgtable {
+ unsigned long vmaddr;
+ struct list_head mapper;
+};
+
+struct gmap *gmap_alloc(struct mm_struct *mm);
+void gmap_free(struct gmap *gmap);
+void gmap_enable(struct gmap *gmap);
+void gmap_disable(struct gmap *gmap);
+int gmap_map_segment(struct gmap *gmap, unsigned long from,
+ unsigned long to, unsigned long length);
+int gmap_unmap_segment(struct gmap *gmap, unsigned long to, unsigned long len);
+unsigned long gmap_fault(unsigned long address, struct gmap *);
+
/*
* Certain architectures need to do special things when PTEs
* within a page table are directly modified. Thus, the following
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index 1300c302533..55dfcc8bdc0 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -80,6 +80,7 @@ struct thread_struct {
mm_segment_t mm_segment;
unsigned long prot_addr; /* address of protection-excep. */
unsigned int trap_no;
+ unsigned long gmap_addr; /* address of last gmap fault. */
struct per_regs per_user; /* User specified PER registers */
struct per_event per_event; /* Cause of the last PER trap */
/* pfault_wait is used to block the process on a pfault event */
diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index ad1382f7932..1a5dbb6f149 100644
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -94,6 +94,7 @@ static inline struct thread_info *current_thread_info(void)
#define TIF_SYSCALL_AUDIT 9 /* syscall auditing active */
#define TIF_SECCOMP 10 /* secure computing */
#define TIF_SYSCALL_TRACEPOINT 11 /* syscall tracepoint instrumentation */
+#define TIF_SIE 12 /* guest execution active */
#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling
TIF_NEED_RESCHED */
#define TIF_31BIT 17 /* 32bit process */
@@ -113,6 +114,7 @@ static inline struct thread_info *current_thread_info(void)
#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
#define _TIF_SECCOMP (1<<TIF_SECCOMP)
#define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT)
+#define _TIF_SIE (1<<TIF_SIE)
#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
#define _TIF_31BIT (1<<TIF_31BIT)
#define _TIF_SINGLE_STEP (1<<TIF_FREEZE)
diff --git a/arch/s390/include/asm/tlbflush.h b/arch/s390/include/asm/tlbflush.h
index b7a4f2eb005..30444538238 100644
--- a/arch/s390/include/asm/tlbflush.h
+++ b/arch/s390/include/asm/tlbflush.h
@@ -80,7 +80,7 @@ static inline void __tlb_flush_mm(struct mm_struct * mm)
* on all cpus instead of doing a local flush if the mm
* only ran on the local cpu.
*/
- if (MACHINE_HAS_IDTE)
+ if (MACHINE_HAS_IDTE && list_empty(&mm->context.gmap_list))
__tlb_flush_idte((unsigned long) mm->pgd |
mm->context.asce_bits);
else
diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c
index edfbd17d708..05d8f38734e 100644
--- a/arch/s390/kernel/asm-offsets.c
+++ b/arch/s390/kernel/asm-offsets.c
@@ -151,7 +151,7 @@ int main(void)
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));
- DEFINE(__LC_SIE_HOOK, offsetof(struct _lowcore, sie_hook));
+ DEFINE(__LC_GMAP, offsetof(struct _lowcore, gmap));
DEFINE(__LC_CMF_HPP, offsetof(struct _lowcore, cmf_hpp));
#endif /* CONFIG_32BIT */
return 0;
diff --git a/arch/s390/kernel/base.S b/arch/s390/kernel/base.S
index 15e46ca9433..209938c1dfc 100644
--- a/arch/s390/kernel/base.S
+++ b/arch/s390/kernel/base.S
@@ -6,13 +6,13 @@
* Michael Holzheu <holzheu@de.ibm.com>
*/
+#include <linux/linkage.h>
#include <asm/asm-offsets.h>
#include <asm/ptrace.h>
#ifdef CONFIG_64BIT
- .globl s390_base_mcck_handler
-s390_base_mcck_handler:
+ENTRY(s390_base_mcck_handler)
basr %r13,0
0: lg %r15,__LC_PANIC_STACK # load panic stack
aghi %r15,-STACK_FRAME_OVERHEAD
@@ -26,13 +26,13 @@ s390_base_mcck_handler:
lpswe __LC_MCK_OLD_PSW
.section .bss
+ .align 8
.globl s390_base_mcck_handler_fn
s390_base_mcck_handler_fn:
.quad 0
.previous
- .globl s390_base_ext_handler
-s390_base_ext_handler:
+ENTRY(s390_base_ext_handler)
stmg %r0,%r15,__LC_SAVE_AREA
basr %r13,0
0: aghi %r15,-STACK_FRAME_OVERHEAD
@@ -46,13 +46,13 @@ s390_base_ext_handler:
lpswe __LC_EXT_OLD_PSW
.section .bss
+ .align 8
.globl s390_base_ext_handler_fn
s390_base_ext_handler_fn:
.quad 0
.previous
- .globl s390_base_pgm_handler
-s390_base_pgm_handler:
+ENTRY(s390_base_pgm_handler)
stmg %r0,%r15,__LC_SAVE_AREA
basr %r13,0
0: aghi %r15,-STACK_FRAME_OVERHEAD
@@ -70,6 +70,7 @@ disabled_wait_psw:
.quad 0x0002000180000000,0x0000000000000000 + s390_base_pgm_handler
.section .bss
+ .align 8
.globl s390_base_pgm_handler_fn
s390_base_pgm_handler_fn:
.quad 0
@@ -77,8 +78,7 @@ s390_base_pgm_handler_fn:
#else /* CONFIG_64BIT */
- .globl s390_base_mcck_handler
-s390_base_mcck_handler:
+ENTRY(s390_base_mcck_handler)
basr %r13,0
0: l %r15,__LC_PANIC_STACK # load panic stack
ahi %r15,-STACK_FRAME_OVERHEAD
@@ -93,13 +93,13 @@ s390_base_mcck_handler:
2: .long s390_base_mcck_handler_fn
.section .bss
+ .align 4
.globl s390_base_mcck_handler_fn
s390_base_mcck_handler_fn:
.long 0
.previous
- .globl s390_base_ext_handler
-s390_base_ext_handler:
+ENTRY(s390_base_ext_handler)
stm %r0,%r15,__LC_SAVE_AREA
basr %r13,0
0: ahi %r15,-STACK_FRAME_OVERHEAD
@@ -115,13 +115,13 @@ s390_base_ext_handler:
2: .long s390_base_ext_handler_fn
.section .bss
+ .align 4
.globl s390_base_ext_handler_fn
s390_base_ext_handler_fn:
.long 0
.previous
- .globl s390_base_pgm_handler
-s390_base_pgm_handler:
+ENTRY(s390_base_pgm_handler)
stm %r0,%r15,__LC_SAVE_AREA
basr %r13,0
0: ahi %r15,-STACK_FRAME_OVERHEAD
@@ -142,6 +142,7 @@ disabled_wait_psw:
.long 0x000a0000,0x00000000 + s390_base_pgm_handler
.section .bss
+ .align 4
.globl s390_base_pgm_handler_fn
s390_base_pgm_handler_fn:
.long 0
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 1f5eb789c3a..08ab9aa6a0d 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -7,86 +7,74 @@
* Thomas Spatzier (tspat@de.ibm.com)
*/
- .globl sys32_exit_wrapper
-sys32_exit_wrapper:
+#include <linux/linkage.h>
+
+ENTRY(sys32_exit_wrapper)
lgfr %r2,%r2 # int
jg sys_exit # branch to sys_exit
- .globl sys32_read_wrapper
-sys32_read_wrapper:
+ENTRY(sys32_read_wrapper)
llgfr %r2,%r2 # unsigned int
llgtr %r3,%r3 # char *
llgfr %r4,%r4 # size_t
jg sys32_read # branch to sys_read
- .globl sys32_write_wrapper
-sys32_write_wrapper:
+ENTRY(sys32_write_wrapper)
llgfr %r2,%r2 # unsigned int
llgtr %r3,%r3 # const char *
llgfr %r4,%r4 # size_t
jg sys32_write # branch to system call
- .globl sys32_open_wrapper
-sys32_open_wrapper:
+ENTRY(sys32_open_wrapper)
llgtr %r2,%r2 # const char *
lgfr %r3,%r3 # int
lgfr %r4,%r4 # int
jg sys_open # branch to system call
- .globl sys32_close_wrapper
-sys32_close_wrapper:
+ENTRY(sys32_close_wrapper)
llgfr %r2,%r2 # unsigned int
jg sys_close # branch to system call
- .globl sys32_creat_wrapper
-sys32_creat_wrapper:
+ENTRY(sys32_creat_wrapper)
llgtr %r2,%r2 # const char *
lgfr %r3,%r3 # int
jg sys_creat # branch to system call
- .globl sys32_link_wrapper
-sys32_link_wrapper:
+ENTRY(sys32_link_wrapper)
llgtr %r2,%r2 # const char *
llgtr %r3,%r3 # const char *
jg sys_link # branch to system call
- .globl sys32_unlink_wrapper
-sys32_unlink_wrapper:
+ENTRY(sys32_unlink_wrapper)
llgtr %r2,%r2 # const char *
jg sys_unlink # branch to system call
- .globl sys32_chdir_wrapper
-sys32_chdir_wrapper:
+ENTRY(sys32_chdir_wrapper)
llgtr %r2,%r2 # const char *
jg sys_chdir # branch to system call
- .globl sys32_time_wrapper
-sys32_time_wrapper:
+ENTRY(sys32_time_wrapper)
llgtr %r2,%r2 # int *
jg compat_sys_time # branch to system call
- .globl sys32_mknod_wrapper
-sys32_mknod_wrapper:
+ENTRY(sys32_mknod_wrapper)
llgtr %r2,%r2 # const char *
lgfr %r3,%r3 # int
llgfr %r4,%r4 # dev
jg sys_mknod # branch to system call
- .globl sys32_chmod_wrapper
-sys32_chmod_wrapper:
+ENTRY(sys32_chmod_wrapper)
llgtr %r2,%r2 # const char *
llgfr %r3,%r3 # mode_t
jg sys_chmod # branch to system call
- .globl sys32_lchown16_wrapper
-sys32_lchown16_wrapper:
+ENTRY(sys32_lchown16_wrapper)
llgtr %r2,%r2 # const char *
llgfr %r3,%r3 # __kernel_old_uid_emu31_t
llgfr %r4,%r4 # __kernel_old_uid_emu31_t
jg sys32_lchown16 # branch to system call
- .globl sys32_lseek_wrapper
-sys32_lseek_wrapper:
+ENTRY(sys32_lseek_wrapper)
llgfr %r2,%r2 # unsigned int
lgfr %r3,%r3 # off_t
llgfr %r4,%r4 # unsigned int
@@ -94,8 +82,7 @@ sys32_lseek_wrapper:
#sys32_getpid_wrapper # void
- .globl sys32_mount_wrapper
-sys32_mount_wrapper:
+ENTRY(sys32_mount_wrapper)
llgtr %r2,%r2 # char *
llgtr %r3,%r3 # char *
llgtr %r4,%r4 # char *
@@ -103,102 +90,85 @@ sys32_mount_wrapper:
llgtr %r6,%r6 # void *