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-rw-r--r--arch/s390/Kconfig6
-rw-r--r--arch/s390/appldata/appldata_base.c3
-rw-r--r--arch/s390/crypto/crypt_s390_query.c2
-rw-r--r--arch/s390/kernel/compat_linux.c74
-rw-r--r--arch/s390/kernel/compat_wrapper.S8
-rw-r--r--arch/s390/kernel/debug.c11
-rw-r--r--arch/s390/kernel/process.c13
-rw-r--r--arch/s390/kernel/setup.c108
-rw-r--r--arch/s390/kernel/smp.c8
-rw-r--r--arch/s390/kernel/syscalls.S2
-rw-r--r--arch/s390/mm/cmm.c6
-rw-r--r--arch/s390/mm/init.c4
12 files changed, 77 insertions, 168 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index b7ca5bf9acf..01c5c082f97 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -14,6 +14,10 @@ config RWSEM_XCHGADD_ALGORITHM
bool
default y
+config GENERIC_HWEIGHT
+ bool
+ default y
+
config GENERIC_CALIBRATE_DELAY
bool
default y
@@ -460,6 +464,8 @@ config PCMCIA
source "drivers/base/Kconfig"
+source "drivers/connector/Kconfig"
+
source "drivers/scsi/Kconfig"
source "drivers/s390/Kconfig"
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index d06a8d71c71..54d35c13090 100644
--- a/arch/s390/appldata/appldata_base.c
+++ b/arch/s390/appldata/appldata_base.c
@@ -531,12 +531,11 @@ int appldata_register_ops(struct appldata_ops *ops)
P_ERROR("ctl_nr %i already in use!\n", ops->ctl_nr);
return -EBUSY;
}
- ops->ctl_table = kmalloc(4*sizeof(struct ctl_table), GFP_KERNEL);
+ ops->ctl_table = kzalloc(4*sizeof(struct ctl_table), GFP_KERNEL);
if (ops->ctl_table == NULL) {
P_ERROR("Not enough memory for %s ctl_table!\n", ops->name);
return -ENOMEM;
}
- memset(ops->ctl_table, 0, 4*sizeof(struct ctl_table));
spin_lock(&appldata_ops_lock);
list_for_each(lh, &appldata_ops_list) {
diff --git a/arch/s390/crypto/crypt_s390_query.c b/arch/s390/crypto/crypt_s390_query.c
index def02bdc44a..54fb11d7fad 100644
--- a/arch/s390/crypto/crypt_s390_query.c
+++ b/arch/s390/crypto/crypt_s390_query.c
@@ -55,7 +55,7 @@ static void query_available_functions(void)
printk(KERN_INFO "KMC_AES_256: %d\n",
crypt_s390_func_available(KMC_AES_256_ENCRYPT));
- /* query available KIMD fucntions */
+ /* query available KIMD functions */
printk(KERN_INFO "KIMD_QUERY: %d\n",
crypt_s390_func_available(KIMD_QUERY));
printk(KERN_INFO "KIMD_SHA_1: %d\n",
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index cc058dc3bc8..5e14de37c17 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -26,7 +26,6 @@
#include <linux/resource.h>
#include <linux/times.h>
#include <linux/utsname.h>
-#include <linux/timex.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/sem.h>
@@ -705,79 +704,6 @@ asmlinkage long sys32_sendfile64(int out_fd, int in_fd,
return ret;
}
-/* Handle adjtimex compatibility. */
-
-struct timex32 {
- u32 modes;
- s32 offset, freq, maxerror, esterror;
- s32 status, constant, precision, tolerance;
- struct compat_timeval time;
- s32 tick;
- s32 ppsfreq, jitter, shift, stabil;
- s32 jitcnt, calcnt, errcnt, stbcnt;
- s32 :32; s32 :32; s32 :32; s32 :32;
- s32 :32; s32 :32; s32 :32; s32 :32;
- s32 :32; s32 :32; s32 :32; s32 :32;
-};
-
-extern int do_adjtimex(struct timex *);
-
-asmlinkage long sys32_adjtimex(struct timex32 __user *utp)
-{
- struct timex txc;
- int ret;
-
- memset(&txc, 0, sizeof(struct timex));
-
- if(get_user(txc.modes, &utp->modes) ||
- __get_user(txc.offset, &utp->offset) ||
- __get_user(txc.freq, &utp->freq) ||
- __get_user(txc.maxerror, &utp->maxerror) ||
- __get_user(txc.esterror, &utp->esterror) ||
- __get_user(txc.status, &utp->status) ||
- __get_user(txc.constant, &utp->constant) ||
- __get_user(txc.precision, &utp->precision) ||
- __get_user(txc.tolerance, &utp->tolerance) ||
- __get_user(txc.time.tv_sec, &utp->time.tv_sec) ||
- __get_user(txc.time.tv_usec, &utp->time.tv_usec) ||
- __get_user(txc.tick, &utp->tick) ||
- __get_user(txc.ppsfreq, &utp->ppsfreq) ||
- __get_user(txc.jitter, &utp->jitter) ||
- __get_user(txc.shift, &utp->shift) ||
- __get_user(txc.stabil, &utp->stabil) ||
- __get_user(txc.jitcnt, &utp->jitcnt) ||
- __get_user(txc.calcnt, &utp->calcnt) ||
- __get_user(txc.errcnt, &utp->errcnt) ||
- __get_user(txc.stbcnt, &utp->stbcnt))
- return -EFAULT;
-
- ret = do_adjtimex(&txc);
-
- if(put_user(txc.modes, &utp->modes) ||
- __put_user(txc.offset, &utp->offset) ||
- __put_user(txc.freq, &utp->freq) ||
- __put_user(txc.maxerror, &utp->maxerror) ||
- __put_user(txc.esterror, &utp->esterror) ||
- __put_user(txc.status, &utp->status) ||
- __put_user(txc.constant, &utp->constant) ||
- __put_user(txc.precision, &utp->precision) ||
- __put_user(txc.tolerance, &utp->tolerance) ||
- __put_user(txc.time.tv_sec, &utp->time.tv_sec) ||
- __put_user(txc.time.tv_usec, &utp->time.tv_usec) ||
- __put_user(txc.tick, &utp->tick) ||
- __put_user(txc.ppsfreq, &utp->ppsfreq) ||
- __put_user(txc.jitter, &utp->jitter) ||
- __put_user(txc.shift, &utp->shift) ||
- __put_user(txc.stabil, &utp->stabil) ||
- __put_user(txc.jitcnt, &utp->jitcnt) ||
- __put_user(txc.calcnt, &utp->calcnt) ||
- __put_user(txc.errcnt, &utp->errcnt) ||
- __put_user(txc.stbcnt, &utp->stbcnt))
- ret = -EFAULT;
-
- return ret;
-}
-
#ifdef CONFIG_SYSCTL
struct __sysctl_args32 {
u32 name;
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 50e80138e7a..199da68bd7b 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -551,10 +551,10 @@ sys32_newuname_wrapper:
llgtr %r2,%r2 # struct new_utsname *
jg s390x_newuname # branch to system call
- .globl sys32_adjtimex_wrapper
-sys32_adjtimex_wrapper:
- llgtr %r2,%r2 # struct timex_emu31 *
- jg sys32_adjtimex # branch to system call
+ .globl compat_sys_adjtimex_wrapper
+compat_sys_adjtimex_wrapper:
+ llgtr %r2,%r2 # struct compat_timex *
+ jg compat_sys_adjtimex # branch to system call
.globl sys32_mprotect_wrapper
sys32_mprotect_wrapper:
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index 896d39d0e4c..06a3fbc1253 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -204,16 +204,13 @@ debug_areas_alloc(int pages_per_area, int nr_areas)
goto fail_malloc_areas2;
}
for(j = 0; j < pages_per_area; j++) {
- areas[i][j] = (debug_entry_t*)kmalloc(PAGE_SIZE,
- GFP_KERNEL);
+ areas[i][j] = kzalloc(PAGE_SIZE, GFP_KERNEL);
if(!areas[i][j]) {
for(j--; j >=0 ; j--) {
kfree(areas[i][j]);
}
kfree(areas[i]);
goto fail_malloc_areas2;
- } else {
- memset(areas[i][j],0,PAGE_SIZE);
}
}
}
@@ -249,14 +246,12 @@ debug_info_alloc(char *name, int pages_per_area, int nr_areas, int buf_size,
rc = (debug_info_t*) kmalloc(sizeof(debug_info_t), GFP_KERNEL);
if(!rc)
goto fail_malloc_rc;
- rc->active_entries = (int*)kmalloc(nr_areas * sizeof(int), GFP_KERNEL);
+ rc->active_entries = kcalloc(nr_areas, sizeof(int), GFP_KERNEL);
if(!rc->active_entries)
goto fail_malloc_active_entries;
- memset(rc->active_entries, 0, nr_areas * sizeof(int));
- rc->active_pages = (int*)kmalloc(nr_areas * sizeof(int), GFP_KERNEL);
+ rc->active_pages = kcalloc(nr_areas, sizeof(int), GFP_KERNEL);
if(!rc->active_pages)
goto fail_malloc_active_pages;
- memset(rc->active_pages, 0, nr_areas * sizeof(int));
if((mode == ALL_AREAS) && (pages_per_area != 0)){
rc->areas = debug_areas_alloc(pages_per_area, nr_areas);
if(!rc->areas)
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index da6fbae8df9..4a0f5a1551e 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -76,17 +76,17 @@ unsigned long thread_saved_pc(struct task_struct *tsk)
/*
* Need to know about CPUs going idle?
*/
-static struct notifier_block *idle_chain;
+static ATOMIC_NOTIFIER_HEAD(idle_chain);
int register_idle_notifier(struct notifier_block *nb)
{
- return notifier_chain_register(&idle_chain, nb);
+ return atomic_notifier_chain_register(&idle_chain, nb);
}
EXPORT_SYMBOL(register_idle_notifier);
int unregister_idle_notifier(struct notifier_block *nb)
{
- return notifier_chain_unregister(&idle_chain, nb);
+ return atomic_notifier_chain_unregister(&idle_chain, nb);
}
EXPORT_SYMBOL(unregister_idle_notifier);
@@ -95,7 +95,7 @@ void do_monitor_call(struct pt_regs *regs, long interruption_code)
/* disable monitor call class 0 */
__ctl_clear_bit(8, 15);
- notifier_call_chain(&idle_chain, CPU_NOT_IDLE,
+ atomic_notifier_call_chain(&idle_chain, CPU_NOT_IDLE,
(void *)(long) smp_processor_id());
}
@@ -103,7 +103,7 @@ extern void s390_handle_mcck(void);
/*
* The idle loop on a S390...
*/
-void default_idle(void)
+static void default_idle(void)
{
int cpu, rc;
@@ -116,7 +116,8 @@ void default_idle(void)
return;
}
- rc = notifier_call_chain(&idle_chain, CPU_IDLE, (void *)(long) cpu);
+ rc = atomic_notifier_call_chain(&idle_chain,
+ CPU_IDLE, (void *)(long) cpu);
if (rc != NOTIFY_OK && rc != NOTIFY_DONE)
BUG();
if (rc != NOTIFY_OK) {
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 24f62f16c0e..0a04e4a564b 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -78,8 +78,6 @@ extern int _text,_etext, _edata, _end;
#include <asm/setup.h>
-static char command_line[COMMAND_LINE_SIZE] = { 0, };
-
static struct resource code_resource = {
.name = "Kernel code",
.start = (unsigned long) &_text,
@@ -335,63 +333,38 @@ add_memory_hole(unsigned long start, unsigned long end)
}
}
-static void __init
-parse_cmdline_early(char **cmdline_p)
+static int __init early_parse_mem(char *p)
+{
+ memory_end = memparse(p, &p);
+ return 0;
+}
+early_param("mem", early_parse_mem);
+
+/*
+ * "ipldelay=XXX[sm]" sets ipl delay in seconds or minutes
+ */
+static int __init early_parse_ipldelay(char *p)
{
- char c = ' ', cn, *to = command_line, *from = COMMAND_LINE;
unsigned long delay = 0;
- /* Save unparsed command line copy for /proc/cmdline */
- memcpy(saved_command_line, COMMAND_LINE, COMMAND_LINE_SIZE);
- saved_command_line[COMMAND_LINE_SIZE-1] = '\0';
+ delay = simple_strtoul(p, &p, 0);
- for (;;) {
- /*
- * "mem=XXX[kKmM]" sets memsize
- */
- if (c == ' ' && strncmp(from, "mem=", 4) == 0) {
- memory_end = simple_strtoul(from+4, &from, 0);
- if ( *from == 'K' || *from == 'k' ) {
- memory_end = memory_end << 10;
- from++;
- } else if ( *from == 'M' || *from == 'm' ) {
- memory_end = memory_end << 20;
- from++;
- }
- }
- /*
- * "ipldelay=XXX[sm]" sets ipl delay in seconds or minutes
- */
- if (c == ' ' && strncmp(from, "ipldelay=", 9) == 0) {
- delay = simple_strtoul(from+9, &from, 0);
- if (*from == 's' || *from == 'S') {
- delay = delay*1000000;
- from++;
- } else if (*from == 'm' || *from == 'M') {
- delay = delay*60*1000000;
- from++;
- }
- /* now wait for the requested amount of time */
- udelay(delay);
- }
- cn = *(from++);
- if (!cn)
- break;
- if (cn == '\n')
- cn = ' '; /* replace newlines with space */
- if (cn == 0x0d)
- cn = ' '; /* replace 0x0d with space */
- if (cn == ' ' && c == ' ')
- continue; /* remove additional spaces */
- c = cn;
- if (to - command_line >= COMMAND_LINE_SIZE)
- break;
- *(to++) = c;
+ switch (*p) {
+ case 's':
+ case 'S':
+ delay *= 1000000;
+ break;
+ case 'm':
+ case 'M':
+ delay *= 60 * 1000000;
}
- if (c == ' ' && to > command_line) to--;
- *to = '\0';
- *cmdline_p = command_line;
+
+ /* now wait for the requested amount of time */
+ udelay(delay);
+
+ return 0;
}
+early_param("ipldelay", early_parse_ipldelay);
static void __init
setup_lowcore(void)
@@ -580,9 +553,26 @@ setup_arch(char **cmdline_p)
"We are running native (64 bit mode)\n");
#endif /* CONFIG_64BIT */
+ /* Save unparsed command line copy for /proc/cmdline */
+ strlcpy(saved_command_line, COMMAND_LINE, COMMAND_LINE_SIZE);
+
+ *cmdline_p = COMMAND_LINE;
+ *(*cmdline_p + COMMAND_LINE_SIZE - 1) = '\0';
+
ROOT_DEV = Root_RAM0;
+
+ init_mm.start_code = PAGE_OFFSET;
+ init_mm.end_code = (unsigned long) &_etext;
+ init_mm.end_data = (unsigned long) &_edata;
+ init_mm.brk = (unsigned long) &_end;
+
+ memory_end = memory_size;
+
+ parse_early_param();
+
#ifndef CONFIG_64BIT
- memory_end = memory_size & ~0x400000UL; /* align memory end to 4MB */
+ memory_end &= ~0x400000UL;
+
/*
* We need some free virtual space to be able to do vmalloc.
* On a machine with 2GB memory we make sure that we have at
@@ -591,17 +581,9 @@ setup_arch(char **cmdline_p)
if (memory_end > 1920*1024*1024)
memory_end = 1920*1024*1024;
#else /* CONFIG_64BIT */
- memory_end = memory_size & ~0x200000UL; /* detected in head.s */
+ memory_end &= ~0x200000UL;
#endif /* CONFIG_64BIT */
- init_mm.start_code = PAGE_OFFSET;
- init_mm.end_code = (unsigned long) &_etext;
- init_mm.end_data = (unsigned long) &_edata;
- init_mm.brk = (unsigned long) &_end;
-
- parse_cmdline_early(cmdline_p);
- parse_early_param();
-
setup_memory();
setup_resources();
setup_lowcore();
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 7dbe00c76c6..2b8841f8553 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -665,7 +665,9 @@ __cpu_up(unsigned int cpu)
cpu_lowcore->current_task = (unsigned long) idle;
cpu_lowcore->cpu_data.cpu_nr = cpu;
eieio();
- signal_processor(cpu,sigp_restart);
+
+ while (signal_processor(cpu,sigp_restart) == sigp_busy)
+ udelay(10);
while (!cpu_online(cpu))
cpu_relax();
@@ -799,9 +801,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
*/
print_cpu_info(&S390_lowcore.cpu_data);
- for(i = 0; i < NR_CPUS; i++) {
- if (!cpu_possible(i))
- continue;
+ for_each_cpu(i) {
lowcore_ptr[i] = (struct _lowcore *)
__get_free_pages(GFP_KERNEL|GFP_DMA,
sizeof(void*) == 8 ? 1 : 0);
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 7c88d85c359..2f56654da82 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -132,7 +132,7 @@ SYSCALL(sys_clone_glue,sys_clone_glue,sys32_clone_glue) /* 120 */
SYSCALL(sys_setdomainname,sys_setdomainname,sys32_setdomainname_wrapper)
SYSCALL(sys_newuname,s390x_newuname,sys32_newuname_wrapper)
NI_SYSCALL /* modify_ldt for i386 */
-SYSCALL(sys_adjtimex,sys_adjtimex,sys32_adjtimex_wrapper)
+SYSCALL(sys_adjtimex,sys_adjtimex,compat_sys_adjtimex_wrapper)
SYSCALL(sys_mprotect,sys_mprotect,sys32_mprotect_wrapper) /* 125 */
SYSCALL(sys_sigprocmask,sys_sigprocmask,compat_sys_sigprocmask_wrapper)
NI_SYSCALL /* old "create module" */
diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index b075ab499d0..51596f42923 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -339,19 +339,19 @@ static struct ctl_table cmm_table[] = {
{
.ctl_name = VM_CMM_PAGES,
.procname = "cmm_pages",
- .mode = 0600,
+ .mode = 0644,
.proc_handler = &cmm_pages_handler,
},
{
.ctl_name = VM_CMM_TIMED_PAGES,
.procname = "cmm_timed_pages",
- .mode = 0600,
+ .mode = 0644,
.proc_handler = &cmm_pages_handler,
},
{
.ctl_name = VM_CMM_TIMEOUT,
.procname = "cmm_timeout",
- .mode = 0600,
+ .mode = 0644,
.proc_handler = &cmm_timeout_handler,
},
{ .ctl_name = 0 }
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index df953383724..a055894f3bd 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -292,7 +292,7 @@ void free_initmem(void)
addr = (unsigned long)(&__init_begin);
for (; addr < (unsigned long)(&__init_end); addr += PAGE_SIZE) {
ClearPageReserved(virt_to_page(addr));
- set_page_count(virt_to_page(addr), 1);
+ init_page_count(virt_to_page(addr));
free_page(addr);
totalram_pages++;
}
@@ -307,7 +307,7 @@ void free_initrd_mem(unsigned long start, unsigned long end)
printk ("Freeing initrd memory: %ldk freed\n", (end - start) >> 10);
for (; start < end; start += PAGE_SIZE) {
ClearPageReserved(virt_to_page(start));
- set_page_count(virt_to_page(start), 1);
+ init_page_count(virt_to_page(start));
free_page(start);
totalram_pages++;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-11 10:18:57 +0000