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-rw-r--r--arch/s390/boot/compressed/misc.c5
-rw-r--r--arch/s390/crypto/sha_common.c1
-rw-r--r--arch/s390/include/asm/atomic.h26
-rw-r--r--arch/s390/include/asm/cache.h1
4 files changed, 23 insertions, 10 deletions
diff --git a/arch/s390/boot/compressed/misc.c b/arch/s390/boot/compressed/misc.c
index 0851eb1e919e..2751b3a8a66f 100644
--- a/arch/s390/boot/compressed/misc.c
+++ b/arch/s390/boot/compressed/misc.c
@@ -133,11 +133,12 @@ unsigned long decompress_kernel(void)
133 unsigned long output_addr; 133 unsigned long output_addr;
134 unsigned char *output; 134 unsigned char *output;
135 135
136 check_ipl_parmblock((void *) 0, (unsigned long) output + SZ__bss_start); 136 output_addr = ((unsigned long) &_end + HEAP_SIZE + 4095UL) & -4096UL;
137 check_ipl_parmblock((void *) 0, output_addr + SZ__bss_start);
137 memset(&_bss, 0, &_ebss - &_bss); 138 memset(&_bss, 0, &_ebss - &_bss);
138 free_mem_ptr = (unsigned long)&_end; 139 free_mem_ptr = (unsigned long)&_end;
139 free_mem_end_ptr = free_mem_ptr + HEAP_SIZE; 140 free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
140 output = (unsigned char *) ((free_mem_end_ptr + 4095UL) & -4096UL); 141 output = (unsigned char *) output_addr;
141 142
142#ifdef CONFIG_BLK_DEV_INITRD 143#ifdef CONFIG_BLK_DEV_INITRD
143 /* 144 /*
diff --git a/arch/s390/crypto/sha_common.c b/arch/s390/crypto/sha_common.c
index f42dbabc0d30..48884f89ab92 100644
--- a/arch/s390/crypto/sha_common.c
+++ b/arch/s390/crypto/sha_common.c
@@ -38,6 +38,7 @@ int s390_sha_update(struct shash_desc *desc, const u8 *data, unsigned int len)
38 BUG_ON(ret != bsize); 38 BUG_ON(ret != bsize);
39 data += bsize - index; 39 data += bsize - index;
40 len -= bsize - index; 40 len -= bsize - index;
41 index = 0;
41 } 42 }
42 43
43 /* process as many blocks as possible */ 44 /* process as many blocks as possible */
diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h
index 76daea117181..5c5ba10384c2 100644
--- a/arch/s390/include/asm/atomic.h
+++ b/arch/s390/include/asm/atomic.h
@@ -36,14 +36,19 @@
36 36
37static inline int atomic_read(const atomic_t *v) 37static inline int atomic_read(const atomic_t *v)
38{ 38{
39 barrier(); 39 int c;
40 return v->counter; 40
41 asm volatile(
42 " l %0,%1\n"
43 : "=d" (c) : "Q" (v->counter));
44 return c;
41} 45}
42 46
43static inline void atomic_set(atomic_t *v, int i) 47static inline void atomic_set(atomic_t *v, int i)
44{ 48{
45 v->counter = i; 49 asm volatile(
46 barrier(); 50 " st %1,%0\n"
51 : "=Q" (v->counter) : "d" (i));
47} 52}
48 53
49static inline int atomic_add_return(int i, atomic_t *v) 54static inline int atomic_add_return(int i, atomic_t *v)
@@ -128,14 +133,19 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u)
128 133
129static inline long long atomic64_read(const atomic64_t *v) 134static inline long long atomic64_read(const atomic64_t *v)
130{ 135{
131 barrier(); 136 long long c;
132 return v->counter; 137
138 asm volatile(
139 " lg %0,%1\n"
140 : "=d" (c) : "Q" (v->counter));
141 return c;
133} 142}
134 143
135static inline void atomic64_set(atomic64_t *v, long long i) 144static inline void atomic64_set(atomic64_t *v, long long i)
136{ 145{
137 v->counter = i; 146 asm volatile(
138 barrier(); 147 " stg %1,%0\n"
148 : "=Q" (v->counter) : "d" (i));
139} 149}
140 150
141static inline long long atomic64_add_return(long long i, atomic64_t *v) 151static inline long long atomic64_add_return(long long i, atomic64_t *v)
diff --git a/arch/s390/include/asm/cache.h b/arch/s390/include/asm/cache.h
index 24aafa68b643..2a30d5ac0667 100644
--- a/arch/s390/include/asm/cache.h
+++ b/arch/s390/include/asm/cache.h
@@ -13,6 +13,7 @@
13 13
14#define L1_CACHE_BYTES 256 14#define L1_CACHE_BYTES 256
15#define L1_CACHE_SHIFT 8 15#define L1_CACHE_SHIFT 8
16#define NET_SKB_PAD 32
16 17
17#define __read_mostly __attribute__((__section__(".data..read_mostly"))) 18#define __read_mostly __attribute__((__section__(".data..read_mostly")))
18 19