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-rw-r--r--drivers/s390/char/con3215.c4
-rw-r--r--drivers/s390/char/monreader.c3
-rw-r--r--drivers/s390/char/raw3270.c6
-rw-r--r--drivers/s390/char/sclp_cmd.c18
-rw-r--r--drivers/s390/char/sclp_tty.c9
-rw-r--r--drivers/s390/char/sclp_vt220.c8
-rw-r--r--drivers/s390/char/tty3270.c16
-rw-r--r--drivers/s390/char/zcore.c36
8 files changed, 38 insertions, 62 deletions
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 7b00fa634d4..eb5d22795c4 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -502,7 +502,7 @@ static void raw3215_make_room(struct raw3215_info *raw, unsigned int length)
raw3215_try_io(raw);
raw->flags &= ~RAW3215_FLUSHING;
#ifdef CONFIG_TN3215_CONSOLE
- wait_cons_dev();
+ ccw_device_wait_idle(raw->cdev);
#endif
/* Enough room freed up ? */
if (RAW3215_BUFFER_SIZE - raw->count >= length)
@@ -858,7 +858,7 @@ static void con3215_flush(void)
raw = raw3215[0]; /* console 3215 is the first one */
if (raw->port.flags & ASYNC_SUSPENDED)
/* The console is still frozen for suspend. */
- if (ccw_device_force_console())
+ if (ccw_device_force_console(raw->cdev))
/* Forcing didn't work, no panic message .. */
return;
spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
diff --git a/drivers/s390/char/monreader.c b/drivers/s390/char/monreader.c
index f4ff515db25..0da3ae3cd63 100644
--- a/drivers/s390/char/monreader.c
+++ b/drivers/s390/char/monreader.c
@@ -174,8 +174,7 @@ static void mon_free_mem(struct mon_private *monpriv)
int i;
for (i = 0; i < MON_MSGLIM; i++)
- if (monpriv->msg_array[i])
- kfree(monpriv->msg_array[i]);
+ kfree(monpriv->msg_array[i]);
kfree(monpriv);
}
diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index 4c9030a5b9f..24a08e8f19e 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -796,7 +796,7 @@ struct raw3270 __init *raw3270_setup_console(struct ccw_device *cdev)
do {
__raw3270_reset_device(rp);
while (!raw3270_state_final(rp)) {
- wait_cons_dev();
+ ccw_device_wait_idle(rp->cdev);
barrier();
}
} while (rp->state != RAW3270_STATE_READY);
@@ -810,7 +810,7 @@ raw3270_wait_cons_dev(struct raw3270 *rp)
unsigned long flags;
spin_lock_irqsave(get_ccwdev_lock(rp->cdev), flags);
- wait_cons_dev();
+ ccw_device_wait_idle(rp->cdev);
spin_unlock_irqrestore(get_ccwdev_lock(rp->cdev), flags);
}
@@ -1274,7 +1274,7 @@ void raw3270_pm_unfreeze(struct raw3270_view *view)
rp = view->dev;
if (rp && test_bit(RAW3270_FLAGS_FROZEN, &rp->flags))
- ccw_device_force_console();
+ ccw_device_force_console(rp->cdev);
#endif
}
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c
index cd798386b62..bf07c3a188d 100644
--- a/drivers/s390/char/sclp_cmd.c
+++ b/drivers/s390/char/sclp_cmd.c
@@ -345,7 +345,6 @@ struct memory_increment {
struct list_head list;
u16 rn;
int standby;
- int usecount;
};
struct assign_storage_sccb {
@@ -463,21 +462,10 @@ static int sclp_mem_change_state(unsigned long start, unsigned long size,
break;
if (start > istart + rzm - 1)
continue;
- if (online) {
- if (incr->usecount++)
- continue;
- /*
- * Don't break the loop if one assign fails. Loop may
- * be walked again on CANCEL and we can't save
- * information if state changed before or not.
- * So continue and increase usecount for all increments.
- */
+ if (online)
rc |= sclp_assign_storage(incr->rn);
- } else {
- if (--incr->usecount)
- continue;
+ else
sclp_unassign_storage(incr->rn);
- }
}
return rc ? -EIO : 0;
}
@@ -572,8 +560,6 @@ static void __init insert_increment(u16 rn, int standby, int assigned)
return;
new_incr->rn = rn;
new_incr->standby = standby;
- if (!standby)
- new_incr->usecount = 1;
last_rn = 0;
prev = &sclp_mem_list;
list_for_each_entry(incr, &sclp_mem_list, list) {
diff --git a/drivers/s390/char/sclp_tty.c b/drivers/s390/char/sclp_tty.c
index 14b4cb8abcc..7ed7a598781 100644
--- a/drivers/s390/char/sclp_tty.c
+++ b/drivers/s390/char/sclp_tty.c
@@ -107,7 +107,6 @@ sclp_tty_write_room (struct tty_struct *tty)
static void
sclp_ttybuf_callback(struct sclp_buffer *buffer, int rc)
{
- struct tty_struct *tty;
unsigned long flags;
void *page;
@@ -125,12 +124,8 @@ sclp_ttybuf_callback(struct sclp_buffer *buffer, int rc)
struct sclp_buffer, list);
spin_unlock_irqrestore(&sclp_tty_lock, flags);
} while (buffer && sclp_emit_buffer(buffer, sclp_ttybuf_callback));
- /* check if the tty needs a wake up call */
- tty = tty_port_tty_get(&sclp_port);
- if (tty != NULL) {
- tty_wakeup(tty);
- tty_kref_put(tty);
- }
+
+ tty_port_tty_wakeup(&sclp_port);
}
static inline void
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index 6c92f62623b..5aaaa2ec8df 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -114,7 +114,6 @@ static struct sclp_register sclp_vt220_register = {
static void
sclp_vt220_process_queue(struct sclp_vt220_request *request)
{
- struct tty_struct *tty;
unsigned long flags;
void *page;
@@ -139,12 +138,7 @@ sclp_vt220_process_queue(struct sclp_vt220_request *request)
} while (__sclp_vt220_emit(request));
if (request == NULL && sclp_vt220_flush_later)
sclp_vt220_emit_current();
- /* Check if the tty needs a wake up call */
- tty = tty_port_tty_get(&sclp_vt220_port);
- if (tty) {
- tty_wakeup(tty);
- tty_kref_put(tty);
- }
+ tty_port_tty_wakeup(&sclp_vt220_port);
}
#define SCLP_BUFFER_MAX_RETRY 1
diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c
index b907dba2402..cee69dac3e1 100644
--- a/drivers/s390/char/tty3270.c
+++ b/drivers/s390/char/tty3270.c
@@ -915,7 +915,7 @@ static int tty3270_install(struct tty_driver *driver, struct tty_struct *tty)
int i, rc;
/* Check if the tty3270 is already there. */
- view = raw3270_find_view(&tty3270_fn, tty->index);
+ view = raw3270_find_view(&tty3270_fn, tty->index + RAW3270_FIRSTMINOR);
if (!IS_ERR(view)) {
tp = container_of(view, struct tty3270, view);
tty->driver_data = tp;
@@ -927,15 +927,16 @@ static int tty3270_install(struct tty_driver *driver, struct tty_struct *tty)
tp->inattr = TF_INPUT;
return tty_port_install(&tp->port, driver, tty);
}
- if (tty3270_max_index < tty->index)
- tty3270_max_index = tty->index;
+ if (tty3270_max_index < tty->index + 1)
+ tty3270_max_index = tty->index + 1;
/* Allocate tty3270 structure on first open. */
tp = tty3270_alloc_view();
if (IS_ERR(tp))
return PTR_ERR(tp);
- rc = raw3270_add_view(&tp->view, &tty3270_fn, tty->index);
+ rc = raw3270_add_view(&tp->view, &tty3270_fn,
+ tty->index + RAW3270_FIRSTMINOR);
if (rc) {
tty3270_free_view(tp);
return rc;
@@ -1846,12 +1847,12 @@ static const struct tty_operations tty3270_ops = {
void tty3270_create_cb(int minor)
{
- tty_register_device(tty3270_driver, minor, NULL);
+ tty_register_device(tty3270_driver, minor - RAW3270_FIRSTMINOR, NULL);
}
void tty3270_destroy_cb(int minor)
{
- tty_unregister_device(tty3270_driver, minor);
+ tty_unregister_device(tty3270_driver, minor - RAW3270_FIRSTMINOR);
}
struct raw3270_notifier tty3270_notifier =
@@ -1884,7 +1885,8 @@ static int __init tty3270_init(void)
driver->driver_name = "tty3270";
driver->name = "3270/tty";
driver->major = IBM_TTY3270_MAJOR;
- driver->minor_start = 0;
+ driver->minor_start = RAW3270_FIRSTMINOR;
+ driver->name_base = RAW3270_FIRSTMINOR;
driver->type = TTY_DRIVER_TYPE_SYSTEM;
driver->subtype = SYSTEM_TYPE_TTY;
driver->init_termios = tty_std_termios;
diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index 1d61a01576d..9e5e14686e7 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -127,7 +127,7 @@ static int memcpy_hsa(void *dest, unsigned long src, size_t count, int mode)
}
if (mode == TO_USER) {
if (copy_to_user((__force __user void*) dest + offs, buf,
- PAGE_SIZE))
+ count - offs))
return -EFAULT;
} else
memcpy(dest + offs, buf, count - offs);
@@ -426,7 +426,7 @@ static int zcore_memmap_open(struct inode *inode, struct file *filp)
GFP_KERNEL);
if (!chunk_array)
return -ENOMEM;
- detect_memory_layout(chunk_array);
+ detect_memory_layout(chunk_array, 0);
buf = kzalloc(MEMORY_CHUNKS * CHUNK_INFO_SIZE, GFP_KERNEL);
if (!buf) {
kfree(chunk_array);
@@ -557,7 +557,7 @@ static void __init set_lc_mask(struct save_area *map)
/*
* Initialize dump globals for a given architecture
*/
-static int __init sys_info_init(enum arch_id arch)
+static int __init sys_info_init(enum arch_id arch, unsigned long mem_end)
{
int rc;
@@ -579,7 +579,7 @@ static int __init sys_info_init(enum arch_id arch)
rc = init_cpu_info(arch);
if (rc)
return rc;
- sys_info.mem_size = real_memory_size;
+ sys_info.mem_size = mem_end;
return 0;
}
@@ -601,7 +601,7 @@ static int __init check_sdias(void)
return 0;
}
-static int __init get_mem_size(unsigned long *mem)
+static int __init get_mem_info(unsigned long *mem, unsigned long *end)
{
int i;
struct mem_chunk *chunk_array;
@@ -610,33 +610,31 @@ static int __init get_mem_size(unsigned long *mem)
GFP_KERNEL);
if (!chunk_array)
return -ENOMEM;
- detect_memory_layout(chunk_array);
+ detect_memory_layout(chunk_array, 0);
for (i = 0; i < MEMORY_CHUNKS; i++) {
if (chunk_array[i].size == 0)
break;
*mem += chunk_array[i].size;
+ *end = max(*end, chunk_array[i].addr + chunk_array[i].size);
}
kfree(chunk_array);
return 0;
}
-static int __init zcore_header_init(int arch, struct zcore_header *hdr)
+static void __init zcore_header_init(int arch, struct zcore_header *hdr,
+ unsigned long mem_size)
{
- int rc, i;
- unsigned long memory = 0;
u32 prefix;
+ int i;
if (arch == ARCH_S390X)
hdr->arch_id = DUMP_ARCH_S390X;
else
hdr->arch_id = DUMP_ARCH_S390;
- rc = get_mem_size(&memory);
- if (rc)
- return rc;
- hdr->mem_size = memory;
- hdr->rmem_size = memory;
+ hdr->mem_size = mem_size;
+ hdr->rmem_size = mem_size;
hdr->mem_end = sys_info.mem_size;
- hdr->num_pages = memory / PAGE_SIZE;
+ hdr->num_pages = mem_size / PAGE_SIZE;
hdr->tod = get_tod_clock();
get_cpu_id(&hdr->cpu_id);
for (i = 0; zfcpdump_save_areas[i]; i++) {
@@ -647,7 +645,6 @@ static int __init zcore_header_init(int arch, struct zcore_header *hdr)
hdr->lc_vec[hdr->cpu_cnt] = prefix;
hdr->cpu_cnt++;
}
- return 0;
}
/*
@@ -682,9 +679,11 @@ static int __init zcore_reipl_init(void)
static int __init zcore_init(void)
{
+ unsigned long mem_size, mem_end;
unsigned char arch;
int rc;
+ mem_size = mem_end = 0;
if (ipl_info.type != IPL_TYPE_FCP_DUMP)
return -ENODATA;
if (OLDMEM_BASE)
@@ -727,13 +726,14 @@ static int __init zcore_init(void)
}
#endif /* CONFIG_64BIT */
- rc = sys_info_init(arch);
+ rc = get_mem_info(&mem_size, &mem_end);
if (rc)
goto fail;
- rc = zcore_header_init(arch, &zcore_header);
+ rc = sys_info_init(arch, mem_end);
if (rc)
goto fail;
+ zcore_header_init(arch, &zcore_header, mem_size);
rc = zcore_reipl_init();
if (rc)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-01-09 10:33:49 +0000