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-rw-r--r--arch/s390/appldata/appldata_mem.c1
-rw-r--r--arch/s390/appldata/appldata_net_sum.c1
-rw-r--r--arch/s390/boot/compressed/misc.c8
-rw-r--r--arch/s390/crypto/prng.c1
-rw-r--r--arch/s390/hypfs/hypfs_diag.c1
-rw-r--r--arch/s390/hypfs/inode.c2
-rw-r--r--arch/s390/include/asm/system.h9
-rw-r--r--arch/s390/kernel/compat_linux.c2
-rw-r--r--arch/s390/kernel/head.S3
-rw-r--r--arch/s390/kernel/head64.S2
-rw-r--r--arch/s390/kernel/ipl.c1
-rw-r--r--arch/s390/kernel/kprobes.c1
-rw-r--r--arch/s390/kernel/process.c2
-rw-r--r--arch/s390/kernel/setup.c5
-rw-r--r--arch/s390/kernel/smp.c7
-rw-r--r--arch/s390/kernel/sysinfo.c1
-rw-r--r--arch/s390/kernel/time.c1
-rw-r--r--arch/s390/kvm/interrupt.c1
-rw-r--r--arch/s390/kvm/priv.c1
-rw-r--r--arch/s390/kvm/sigp.c1
-rw-r--r--arch/s390/mm/cmm.c1
-rw-r--r--arch/s390/mm/init.c1
-rw-r--r--arch/s390/mm/maccess.c26
-rw-r--r--arch/s390/mm/page-states.c1
-rw-r--r--arch/s390/mm/pgtable.c2
-rw-r--r--arch/s390/mm/vmem.c1
26 files changed, 60 insertions, 23 deletions
diff --git a/arch/s390/appldata/appldata_mem.c b/arch/s390/appldata/appldata_mem.c
index 4188cbe63a5..e43fe753703 100644
--- a/arch/s390/appldata/appldata_mem.c
+++ b/arch/s390/appldata/appldata_mem.c
@@ -11,7 +11,6 @@
#include <linux/module.h>
#include <linux/init.h>
-#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/kernel_stat.h>
#include <linux/pagemap.h>
diff --git a/arch/s390/appldata/appldata_net_sum.c b/arch/s390/appldata/appldata_net_sum.c
index 4ce7fa95880..9a9586f4103 100644
--- a/arch/s390/appldata/appldata_net_sum.c
+++ b/arch/s390/appldata/appldata_net_sum.c
@@ -12,7 +12,6 @@
#include <linux/module.h>
#include <linux/init.h>
-#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/kernel_stat.h>
#include <linux/netdevice.h>
diff --git a/arch/s390/boot/compressed/misc.c b/arch/s390/boot/compressed/misc.c
index a97d6952582..14e0479d388 100644
--- a/arch/s390/boot/compressed/misc.c
+++ b/arch/s390/boot/compressed/misc.c
@@ -24,8 +24,8 @@
/* Symbols defined by linker scripts */
extern char input_data[];
extern int input_len;
-extern int _text;
-extern int _end;
+extern char _text, _end;
+extern char _bss, _ebss;
static void error(char *m);
@@ -129,12 +129,12 @@ unsigned long decompress_kernel(void)
unsigned long output_addr;
unsigned char *output;
+ check_ipl_parmblock((void *) 0, (unsigned long) output + SZ__bss_start);
+ memset(&_bss, 0, &_ebss - &_bss);
free_mem_ptr = (unsigned long)&_end;
free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
output = (unsigned char *) ((free_mem_end_ptr + 4095UL) & -4096UL);
- check_ipl_parmblock((void *) 0, (unsigned long) output + SZ__bss_start);
-
#ifdef CONFIG_BLK_DEV_INITRD
/*
* Move the initrd right behind the end of the decompressed
diff --git a/arch/s390/crypto/prng.c b/arch/s390/crypto/prng.c
index a3209906739..aa819dac236 100644
--- a/arch/s390/crypto/prng.c
+++ b/arch/s390/crypto/prng.c
@@ -10,6 +10,7 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/random.h>
+#include <linux/slab.h>
#include <asm/debug.h>
#include <asm/uaccess.h>
diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c
index 87cf523192e..5b1acdba649 100644
--- a/arch/s390/hypfs/hypfs_diag.c
+++ b/arch/s390/hypfs/hypfs_diag.c
@@ -12,7 +12,6 @@
#include <linux/types.h>
#include <linux/errno.h>
-#include <linux/gfp.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/vmalloc.h>
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index cd128b07bed..c53f8ac825c 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -14,8 +14,8 @@
#include <linux/fs.h>
#include <linux/namei.h>
#include <linux/vfs.h>
+#include <linux/slab.h>
#include <linux/pagemap.h>
-#include <linux/gfp.h>
#include <linux/time.h>
#include <linux/parser.h>
#include <linux/sysfs.h>
diff --git a/arch/s390/include/asm/system.h b/arch/s390/include/asm/system.h
index 67ee6c3c6bb..1741c1556a4 100644
--- a/arch/s390/include/asm/system.h
+++ b/arch/s390/include/asm/system.h
@@ -110,6 +110,7 @@ extern void pfault_fini(void);
#endif /* CONFIG_PFAULT */
extern void cmma_init(void);
+extern int memcpy_real(void *, void *, size_t);
#define finish_arch_switch(prev) do { \
set_fs(current->thread.mm_segment); \
@@ -218,8 +219,8 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
" l %0,%2\n"
"0: nr %0,%5\n"
" lr %1,%0\n"
- " or %0,%2\n"
- " or %1,%3\n"
+ " or %0,%3\n"
+ " or %1,%4\n"
" cs %0,%1,%2\n"
" jnl 1f\n"
" xr %1,%0\n"
@@ -239,8 +240,8 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
" l %0,%2\n"
"0: nr %0,%5\n"
" lr %1,%0\n"
- " or %0,%2\n"
- " or %1,%3\n"
+ " or %0,%3\n"
+ " or %1,%4\n"
" cs %0,%1,%2\n"
" jnl 1f\n"
" xr %1,%0\n"
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index 11c3aba664e..73b624ed9cd 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -29,7 +29,6 @@
#include <linux/sem.h>
#include <linux/msg.h>
#include <linux/shm.h>
-#include <linux/slab.h>
#include <linux/uio.h>
#include <linux/quota.h>
#include <linux/module.h>
@@ -52,6 +51,7 @@
#include <linux/ptrace.h>
#include <linux/fadvise.h>
#include <linux/ipc.h>
+#include <linux/slab.h>
#include <asm/types.h>
#include <asm/uaccess.h>
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S
index ca4a62bd862..9d1f76702d4 100644
--- a/arch/s390/kernel/head.S
+++ b/arch/s390/kernel/head.S
@@ -517,7 +517,10 @@ startup:
lhi %r1,2 # mode 2 = esame (dump)
sigp %r1,%r0,0x12 # switch to esame mode
sam64 # switch to 64 bit mode
+ larl %r13,4f
+ lmh %r0,%r15,0(%r13) # clear high-order half
jg startup_continue
+4: .fill 16,4,0x0
#else
mvi __LC_AR_MODE_ID,0 # set ESA flag (mode 0)
l %r13,4f-.LPG0(%r13)
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S
index 39580e76865..1f70970de0a 100644
--- a/arch/s390/kernel/head64.S
+++ b/arch/s390/kernel/head64.S
@@ -21,7 +21,6 @@ startup_continue:
larl %r1,sched_clock_base_cc
mvc 0(8,%r1),__LC_LAST_UPDATE_CLOCK
larl %r13,.LPG1 # get base
- lmh %r0,%r15,.Lzero64-.LPG1(%r13) # clear high-order half
lctlg %c0,%c15,.Lctl-.LPG1(%r13) # load control registers
lg %r12,.Lparmaddr-.LPG1(%r13) # pointer to parameter area
# move IPL device to lowcore
@@ -67,7 +66,6 @@ startup_continue:
.L4malign:.quad 0xffffffffffc00000
.Lscan2g:.quad 0x80000000 + 0x20000 - 8 # 2GB + 128K - 8
.Lnop: .long 0x07000700
-.Lzero64:.fill 16,4,0x0
.Lparmaddr:
.quad PARMAREA
.align 64
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index 7eedbbcb54a..72c8b0d070c 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -15,6 +15,7 @@
#include <linux/reboot.h>
#include <linux/ctype.h>
#include <linux/fs.h>
+#include <linux/gfp.h>
#include <asm/ipl.h>
#include <asm/smp.h>
#include <asm/setup.h>
diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c
index 86783efa24e..3d34eef5a2c 100644
--- a/arch/s390/kernel/kprobes.c
+++ b/arch/s390/kernel/kprobes.c
@@ -29,6 +29,7 @@
#include <asm/cacheflush.h>
#include <asm/sections.h>
#include <linux/module.h>
+#include <linux/slab.h>
DEFINE_PER_CPU(struct kprobe *, current_kprobe) = NULL;
DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 00b6d1d292f..1039fdea15b 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -16,9 +16,9 @@
#include <linux/fs.h>
#include <linux/smp.h>
#include <linux/stddef.h>
+#include <linux/slab.h>
#include <linux/unistd.h>
#include <linux/ptrace.h>
-#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/user.h>
#include <linux/interrupt.h>
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 77a63ae419f..91625f759cc 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -25,7 +25,6 @@
#include <linux/stddef.h>
#include <linux/unistd.h>
#include <linux/ptrace.h>
-#include <linux/slab.h>
#include <linux/user.h>
#include <linux/tty.h>
#include <linux/ioport.h>
@@ -401,7 +400,7 @@ setup_lowcore(void)
* Setup lowcore for boot cpu
*/
BUILD_BUG_ON(sizeof(struct _lowcore) != LC_PAGES * 4096);
- lc = __alloc_bootmem(LC_PAGES * PAGE_SIZE, LC_PAGES * PAGE_SIZE, 0);
+ lc = __alloc_bootmem_low(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;
@@ -433,7 +432,7 @@ setup_lowcore(void)
#ifndef CONFIG_64BIT
if (MACHINE_HAS_IEEE) {
lc->extended_save_area_addr = (__u32)
- __alloc_bootmem(PAGE_SIZE, PAGE_SIZE, 0);
+ __alloc_bootmem_low(PAGE_SIZE, PAGE_SIZE, 0);
/* enable extended save area */
__ctl_set_bit(14, 29);
}
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 29f65bce55e..e4d98de83dd 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 <linux/slab.h>
#include <asm/asm-offsets.h>
#include <asm/ipl.h>
#include <asm/setup.h>
@@ -292,9 +293,9 @@ static void __init smp_get_save_area(unsigned int cpu, unsigned int phy_cpu)
zfcpdump_save_areas[cpu] = kmalloc(sizeof(struct save_area), GFP_KERNEL);
while (raw_sigp(phy_cpu, sigp_stop_and_store_status) == sigp_busy)
cpu_relax();
- memcpy(zfcpdump_save_areas[cpu],
- (void *)(unsigned long) store_prefix() + SAVE_AREA_BASE,
- sizeof(struct save_area));
+ memcpy_real(zfcpdump_save_areas[cpu],
+ (void *)(unsigned long) store_prefix() + SAVE_AREA_BASE,
+ sizeof(struct save_area));
}
struct save_area *zfcpdump_save_areas[NR_CPUS + 1];
diff --git a/arch/s390/kernel/sysinfo.c b/arch/s390/kernel/sysinfo.c
index b5e75e1061c..a0ffc7717ed 100644
--- a/arch/s390/kernel/sysinfo.c
+++ b/arch/s390/kernel/sysinfo.c
@@ -11,6 +11,7 @@
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/module.h>
+#include <linux/slab.h>
#include <asm/ebcdic.h>
#include <asm/sysinfo.h>
#include <asm/cpcmd.h>
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index aa2483e460f..fba6dec156b 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -36,6 +36,7 @@
#include <linux/notifier.h>
#include <linux/clocksource.h>
#include <linux/clockchips.h>
+#include <linux/gfp.h>
#include <asm/uaccess.h>
#include <asm/delay.h>
#include <asm/s390_ext.h>
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 834774d8d5f..35c21bf910c 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -14,6 +14,7 @@
#include <linux/kvm_host.h>
#include <linux/hrtimer.h>
#include <linux/signal.h>
+#include <linux/slab.h>
#include <asm/asm-offsets.h>
#include <asm/uaccess.h>
#include "kvm-s390.h"
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index 28c55677eb3..44205507717 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -12,6 +12,7 @@
*/
#include <linux/kvm.h>
+#include <linux/gfp.h>
#include <linux/errno.h>
#include <asm/current.h>
#include <asm/debug.h>
diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c
index 241a48459b6..eff3c5989b4 100644
--- a/arch/s390/kvm/sigp.c
+++ b/arch/s390/kvm/sigp.c
@@ -14,6 +14,7 @@
#include <linux/kvm.h>
#include <linux/kvm_host.h>
+#include <linux/slab.h>
#include "gaccess.h"
#include "kvm-s390.h"
diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index f16bd04e39e..f87b34731e1 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -12,6 +12,7 @@
#include <linux/fs.h>
#include <linux/init.h>
#include <linux/module.h>
+#include <linux/gfp.h>
#include <linux/sched.h>
#include <linux/sysctl.h>
#include <linux/ctype.h>
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index d5865e4024c..acc91c75bc9 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -26,6 +26,7 @@
#include <linux/pfn.h>
#include <linux/poison.h>
#include <linux/initrd.h>
+#include <linux/gfp.h>
#include <asm/processor.h>
#include <asm/system.h>
#include <asm/uaccess.h>
diff --git a/arch/s390/mm/maccess.c b/arch/s390/mm/maccess.c
index 81756271dc4..a8c2af8c650 100644
--- a/arch/s390/mm/maccess.c
+++ b/arch/s390/mm/maccess.c
@@ -59,3 +59,29 @@ long probe_kernel_write(void *dst, void *src, size_t size)
}
return copied < 0 ? -EFAULT : 0;
}
+
+int memcpy_real(void *dest, void *src, size_t count)
+{
+ register unsigned long _dest asm("2") = (unsigned long) dest;
+ register unsigned long _len1 asm("3") = (unsigned long) count;
+ register unsigned long _src asm("4") = (unsigned long) src;
+ register unsigned long _len2 asm("5") = (unsigned long) count;
+ unsigned long flags;
+ int rc = -EFAULT;
+
+ if (!count)
+ return 0;
+ flags = __raw_local_irq_stnsm(0xf8UL);
+ asm volatile (
+ "0: mvcle %1,%2,0x0\n"
+ "1: jo 0b\n"
+ " lhi %0,0x0\n"
+ "2:\n"
+ EX_TABLE(1b,2b)
+ : "+d" (rc), "+d" (_dest), "+d" (_src), "+d" (_len1),
+ "+d" (_len2), "=m" (*((long *) dest))
+ : "m" (*((long *) src))
+ : "cc", "memory");
+ __raw_local_irq_ssm(flags);
+ return rc;
+}
diff --git a/arch/s390/mm/page-states.c b/arch/s390/mm/page-states.c
index 098923ae458..a90d45e9dfb 100644
--- a/arch/s390/mm/page-states.c
+++ b/arch/s390/mm/page-states.c
@@ -10,6 +10,7 @@
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/mm.h>
+#include <linux/gfp.h>
#include <linux/init.h>
#define ESSA_SET_STABLE 1
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index ad621e06ada..8d999249d35 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -6,11 +6,11 @@
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/errno.h>
+#include <linux/gfp.h>
#include <linux/mm.h>
#include <linux/swap.h>
#include <linux/smp.h>
#include <linux/highmem.h>
-#include <linux/slab.h>
#include <linux/pagemap.h>
#include <linux/spinlock.h>
#include <linux/module.h>
diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c
index 300ab012b0f..8ea3144b45b 100644
--- a/arch/s390/mm/vmem.c
+++ b/arch/s390/mm/vmem.c
@@ -11,6 +11,7 @@
#include <linux/module.h>
#include <linux/list.h>
#include <linux/hugetlb.h>
+#include <linux/slab.h>
#include <asm/pgalloc.h>
#include <asm/pgtable.h>
#include <asm/setup.h>
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-24 07:58:22 +0000