[GIT PULL] s390 patches for 2.6.33-rc1

From: Martin Schwidefsky
Date: Fri Dec 18 2009 - 11:51:12 EST

Hi Linus,
take two, forgot to add the usual Cc: list. Linus: sorry for the duplicate.

Please pull from 'for-linus' branch of

git://git390.marist.edu/pub/scm/linux-2.6.git for-linus

to receive the following updates:

Heiko Carstens (2):
[S390] wire up sys_recvmmsg
[S390] Use strim instead of strstrip to avoid false warnings.

Jan Glauber (2):
[S390] qdio: remove superfluous log entries and WARN_ONs.
[S390] qdio: add counter for input queue full condition

Julia Lawall (1):
[S390] drivers: Correct size given to memset

Martin Schwidefsky (1):
[S390] rename NT_PRXSTATUS to NT_S390_HIGHREGS

Michael Holzheu (1):
[S390] tape: Add pr_fmt() macro to all tape source files

Oleg Nesterov (1):
[S390] ptrace: dont abuse PT_PTRACED

Peter Oberparleiter (1):
[S390] cio: fix channel path vary

Roel Kluin (3):
[S390] dasd: PTR_ERR return of wrong pointer in
[S390] s390: PTR_ERR return of wrong pointer in fallback_init_cip()
[S390] tty: PTR_ERR return of wrong pointer in fs3270_open()

Sebastian Ott (1):
[S390] cio: fix drvdata usage for the console subchannel

Stefan Haberland (1):
[S390] dasd: move dasd-diag kmsg to dasd

arch/s390/crypto/aes_s390.c | 2 +-
arch/s390/hypfs/hypfs_diag.c | 4 +-
arch/s390/hypfs/hypfs_vm.c | 2 +-
arch/s390/include/asm/unistd.h | 3 +-
arch/s390/kernel/compat_wrapper.S | 9 ++++++++
arch/s390/kernel/ipl.c | 6 ++--
arch/s390/kernel/ptrace.c | 2 +-
arch/s390/kernel/syscalls.S | 1 +
arch/s390/kernel/traps.c | 6 ++--
drivers/s390/block/dasd_alias.c | 2 +-
drivers/s390/block/dasd_diag.c | 42 +++++++++++++++++++-----------------
drivers/s390/char/fs3270.c | 2 +-
drivers/s390/char/tape_34xx.c | 1 +
drivers/s390/char/tape_3590.c | 3 +-
drivers/s390/char/tape_block.c | 1 +
drivers/s390/char/tape_char.c | 3 ++
drivers/s390/char/tape_class.c | 4 +++
drivers/s390/char/tape_core.c | 2 +
drivers/s390/char/tape_proc.c | 3 ++
drivers/s390/char/tape_std.c | 3 ++
drivers/s390/cio/ccwreq.c | 3 --
drivers/s390/cio/device.c | 1 +
drivers/s390/cio/device_pgid.c | 29 +++++++++++++++---------
drivers/s390/cio/fcx.c | 4 +-
drivers/s390/cio/io_sch.h | 1 +
drivers/s390/cio/qdio_main.c | 3 +-
drivers/s390/cio/qdio_perf.c | 2 +
drivers/s390/cio/qdio_perf.h | 1 +
drivers/s390/cio/qdio_setup.c | 10 +--------
include/linux/elf.h | 2 +-
30 files changed, 95 insertions(+), 62 deletions(-)

diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c
index 6118890..6be4503 100644
--- a/arch/s390/crypto/aes_s390.c
+++ b/arch/s390/crypto/aes_s390.c
@@ -174,7 +174,7 @@ static int fallback_init_cip(struct crypto_tfm *tfm)
if (IS_ERR(sctx->fallback.cip)) {
pr_err("Allocating AES fallback algorithm %s failed\n",
name);
- return PTR_ERR(sctx->fallback.blk);
+ return PTR_ERR(sctx->fallback.cip);
}

return 0;
diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c
index 77df726..2b92d50 100644
--- a/arch/s390/hypfs/hypfs_diag.c
+++ b/arch/s390/hypfs/hypfs_diag.c
@@ -164,7 +164,7 @@ static inline void part_hdr__part_name(enum diag204_format type, void *hdr,
LPAR_NAME_LEN);
EBCASC(name, LPAR_NAME_LEN);
name[LPAR_NAME_LEN] = 0;
- strstrip(name);
+ strim(name);
}

struct cpu_info {
@@ -523,7 +523,7 @@ static int diag224_idx2name(int index, char *name)
memcpy(name, diag224_cpu_names + ((index + 1) * CPU_NAME_LEN),
CPU_NAME_LEN);
name[CPU_NAME_LEN] = 0;
- strstrip(name);
+ strim(name);
return 0;
}

diff --git a/arch/s390/hypfs/hypfs_vm.c b/arch/s390/hypfs/hypfs_vm.c
index d01fc8f..f0b0d31 100644
--- a/arch/s390/hypfs/hypfs_vm.c
+++ b/arch/s390/hypfs/hypfs_vm.c
@@ -124,7 +124,7 @@ static int hpyfs_vm_create_guest(struct super_block *sb,
/* guest dir */
memcpy(guest_name, data->guest_name, NAME_LEN);
EBCASC(guest_name, NAME_LEN);
- strstrip(guest_name);
+ strim(guest_name);
guest_dir = hypfs_mkdir(sb, systems_dir, guest_name);
if (IS_ERR(guest_dir))
return PTR_ERR(guest_dir);
diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h
index cb5232d..192a720 100644
--- a/arch/s390/include/asm/unistd.h
+++ b/arch/s390/include/asm/unistd.h
@@ -269,7 +269,8 @@
#define __NR_pwritev 329
#define __NR_rt_tgsigqueueinfo 330
#define __NR_perf_event_open 331
-#define NR_syscalls 332
+#define __NR_recvmmsg 332
+#define NR_syscalls 333

/*
* There are some system calls that are not present on 64 bit, some
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 30de2d0..faeaccc 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1853,3 +1853,12 @@ sys32_execve_wrapper:
llgtr %r3,%r3 # compat_uptr_t *
llgtr %r4,%r4 # compat_uptr_t *
jg sys32_execve # branch to system call
+
+ .globl compat_sys_recvmmsg_wrapper
+compat_sys_recvmmsg_wrapper:
+ lgfr %r2,%r2 # int
+ llgtr %r3,%r3 # struct compat_mmsghdr *
+ llgfr %r4,%r4 # unsigned int
+ llgfr %r5,%r5 # unsigned int
+ llgtr %r6,%r6 # struct compat_timespec *
+ jg compat_sys_recvmmsg
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index 4890ac6..4d73296 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -221,7 +221,7 @@ static ssize_t sys_##_prefix##_##_name##_store(struct kobject *kobj, \
const char *buf, size_t len) \
{ \
strncpy(_value, buf, sizeof(_value) - 1); \
- strstrip(_value); \
+ strim(_value); \
return len; \
} \
static struct kobj_attribute sys_##_prefix##_##_name##_attr = \
@@ -472,7 +472,7 @@ static ssize_t ipl_ccw_loadparm_show(struct kobject *kobj,
return sprintf(page, "#unknown#\n");
memcpy(loadparm, &sclp_ipl_info.loadparm, LOADPARM_LEN);
EBCASC(loadparm, LOADPARM_LEN);
- strstrip(loadparm);
+ strim(loadparm);
return sprintf(page, "%s\n", loadparm);
}

@@ -776,7 +776,7 @@ static void reipl_get_ascii_loadparm(char *loadparm,
memcpy(loadparm, ibp->ipl_info.ccw.load_parm, LOADPARM_LEN);
EBCASC(loadparm, LOADPARM_LEN);
loadparm[LOADPARM_LEN] = 0;
- strstrip(loadparm);
+ strim(loadparm);
}

static ssize_t reipl_generic_loadparm_show(struct ipl_parameter_block *ipb,
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 653c6a1..13815d3 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -959,7 +959,7 @@ static const struct user_regset s390_compat_regsets[] = {
.set = s390_fpregs_set,
},
[REGSET_GENERAL_EXTENDED] = {
- .core_note_type = NT_PRXSTATUS,
+ .core_note_type = NT_S390_HIGH_GPRS,
.n = sizeof(s390_compat_regs_high) / sizeof(compat_long_t),
.size = sizeof(compat_long_t),
.align = sizeof(compat_long_t),
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 30eca07..4f292c9 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -340,3 +340,4 @@ SYSCALL(sys_preadv,sys_preadv,compat_sys_preadv_wrapper)
SYSCALL(sys_pwritev,sys_pwritev,compat_sys_pwritev_wrapper)
SYSCALL(sys_rt_tgsigqueueinfo,sys_rt_tgsigqueueinfo,compat_sys_rt_tgsigqueueinfo_wrapper) /* 330 */
SYSCALL(sys_perf_event_open,sys_perf_event_open,sys_perf_event_open_wrapper)
+SYSCALL(sys_recvmmsg,sys_recvmmsg,compat_sys_recvmmsg_wrapper)
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index c2e42cc..6e7ad63 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -18,7 +18,7 @@
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/errno.h>
-#include <linux/ptrace.h>
+#include <linux/tracehook.h>
#include <linux/timer.h>
#include <linux/mm.h>
#include <linux/smp.h>
@@ -382,7 +382,7 @@ void __kprobes do_single_step(struct pt_regs *regs)
SIGTRAP) == NOTIFY_STOP){
return;
}
- if ((current->ptrace & PT_PTRACED) != 0)
+ if (tracehook_consider_fatal_signal(current, SIGTRAP))
force_sig(SIGTRAP, current);
}

@@ -483,7 +483,7 @@ static void illegal_op(struct pt_regs * regs, long interruption_code)
if (get_user(*((__u16 *) opcode), (__u16 __user *) location))
return;
if (*((__u16 *) opcode) == S390_BREAKPOINT_U16) {
- if (current->ptrace & PT_PTRACED)
+ if (tracehook_consider_fatal_signal(current, SIGTRAP))
force_sig(SIGTRAP, current);
else
signal = SIGILL;
diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c
index fd12317..148b1dd 100644
--- a/drivers/s390/block/dasd_alias.c
+++ b/drivers/s390/block/dasd_alias.c
@@ -218,7 +218,7 @@ int dasd_alias_make_device_known_to_lcu(struct dasd_device *device)
spin_unlock_irqrestore(&aliastree.lock, flags);
newlcu = _allocate_lcu(uid);
if (IS_ERR(newlcu))
- return PTR_ERR(lcu);
+ return PTR_ERR(newlcu);
spin_lock_irqsave(&aliastree.lock, flags);
lcu = _find_lcu(server, uid);
if (!lcu) {
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index f64d0db..6e14863 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -8,7 +8,7 @@
*
*/

-#define KMSG_COMPONENT "dasd-diag"
+#define KMSG_COMPONENT "dasd"

#include <linux/stddef.h>
#include <linux/kernel.h>
@@ -146,16 +146,16 @@ dasd_diag_erp(struct dasd_device *device)
rc = mdsk_init_io(device, device->block->bp_block, 0, NULL);
if (rc == 4) {
if (!(device->features & DASD_FEATURE_READONLY)) {
- dev_warn(&device->cdev->dev,
- "The access mode of a DIAG device changed"
- " to read-only");
+ pr_warning("%s: The access mode of a DIAG device "
+ "changed to read-only\n",
+ dev_name(&device->cdev->dev));
device->features |= DASD_FEATURE_READONLY;
}
rc = 0;
}
if (rc)
- dev_warn(&device->cdev->dev, "DIAG ERP failed with "
- "rc=%d\n", rc);
+ pr_warning("%s: DIAG ERP failed with "
+ "rc=%d\n", dev_name(&device->cdev->dev), rc);
}

/* Start a given request at the device. Return zero on success, non-zero
@@ -371,8 +371,9 @@ dasd_diag_check_device(struct dasd_device *device)
private->pt_block = 2;
break;
default:
- dev_warn(&device->cdev->dev, "Device type %d is not supported "
- "in DIAG mode\n", private->rdc_data.vdev_class);
+ pr_warning("%s: Device type %d is not supported "
+ "in DIAG mode\n", dev_name(&device->cdev->dev),
+ private->rdc_data.vdev_class);
rc = -EOPNOTSUPP;
goto out;
}
@@ -413,8 +414,8 @@ dasd_diag_check_device(struct dasd_device *device)
private->iob.flaga = DASD_DIAG_FLAGA_DEFAULT;
rc = dia250(&private->iob, RW_BIO);
if (rc == 3) {
- dev_warn(&device->cdev->dev,
- "A 64-bit DIAG call failed\n");
+ pr_warning("%s: A 64-bit DIAG call failed\n",
+ dev_name(&device->cdev->dev));
rc = -EOPNOTSUPP;
goto out_label;
}
@@ -423,8 +424,9 @@ dasd_diag_check_device(struct dasd_device *device)
break;
}
if (bsize > PAGE_SIZE) {
- dev_warn(&device->cdev->dev, "Accessing the DASD failed because"
- " of an incorrect format (rc=%d)\n", rc);
+ pr_warning("%s: Accessing the DASD failed because of an "
+ "incorrect format (rc=%d)\n",
+ dev_name(&device->cdev->dev), rc);
rc = -EIO;
goto out_label;
}
@@ -442,18 +444,18 @@ dasd_diag_check_device(struct dasd_device *device)
block->s2b_shift++;
rc = mdsk_init_io(device, block->bp_block, 0, NULL);
if (rc && (rc != 4)) {
- dev_warn(&device->cdev->dev, "DIAG initialization "
- "failed with rc=%d\n", rc);
+ pr_warning("%s: DIAG initialization failed with rc=%d\n",
+ dev_name(&device->cdev->dev), rc);
rc = -EIO;
} else {
if (rc == 4)
device->features |= DASD_FEATURE_READONLY;
- dev_info(&device->cdev->dev,
- "New DASD with %ld byte/block, total size %ld KB%s\n",
- (unsigned long) block->bp_block,
- (unsigned long) (block->blocks <<
- block->s2b_shift) >> 1,
- (rc == 4) ? ", read-only device" : "");
+ pr_info("%s: New DASD with %ld byte/block, total size %ld "
+ "KB%s\n", dev_name(&device->cdev->dev),
+ (unsigned long) block->bp_block,
+ (unsigned long) (block->blocks <<
+ block->s2b_shift) >> 1,
+ (rc == 4) ? ", read-only device" : "");
rc = 0;
}
out_label:
diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c
index 28e4649..247b2b9 100644
--- a/drivers/s390/char/fs3270.c
+++ b/drivers/s390/char/fs3270.c
@@ -467,7 +467,7 @@ fs3270_open(struct inode *inode, struct file *filp)
if (IS_ERR(ib)) {
raw3270_put_view(&fp->view);
raw3270_del_view(&fp->view);
- rc = PTR_ERR(fp);
+ rc = PTR_ERR(ib);
goto out;
}
fp->rdbuf = ib;
diff --git a/drivers/s390/char/tape_34xx.c b/drivers/s390/char/tape_34xx.c
index 3657fe1..cb70fa1 100644
--- a/drivers/s390/char/tape_34xx.c
+++ b/drivers/s390/char/tape_34xx.c
@@ -9,6 +9,7 @@
*/

#define KMSG_COMPONENT "tape_34xx"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt

#include <linux/module.h>
#include <linux/init.h>
diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c
index 0c72aad..9821c58 100644
--- a/drivers/s390/char/tape_3590.c
+++ b/drivers/s390/char/tape_3590.c
@@ -9,6 +9,7 @@
*/

#define KMSG_COMPONENT "tape_3590"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt

#include <linux/module.h>
#include <linux/init.h>
@@ -136,7 +137,7 @@ static void int_to_ext_kekl(struct tape3592_kekl *in,
out->type_on_tape = TAPE390_KEKL_TYPE_LABEL;
memcpy(out->label, in->label, sizeof(in->label));
EBCASC(out->label, sizeof(in->label));
- strstrip(out->label);
+ strim(out->label);
}

static void int_to_ext_kekl_pair(struct tape3592_kekl_pair *in,
diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c
index 4799cc2..9681614 100644
--- a/drivers/s390/char/tape_block.c
+++ b/drivers/s390/char/tape_block.c
@@ -11,6 +11,7 @@
*/

#define KMSG_COMPONENT "tape"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt

#include <linux/fs.h>
#include <linux/module.h>
diff --git a/drivers/s390/char/tape_char.c b/drivers/s390/char/tape_char.c
index 23d773a..2125ec7 100644
--- a/drivers/s390/char/tape_char.c
+++ b/drivers/s390/char/tape_char.c
@@ -10,6 +10,9 @@
* Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
*/

+#define KMSG_COMPONENT "tape"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/types.h>
#include <linux/proc_fs.h>
diff --git a/drivers/s390/char/tape_class.c b/drivers/s390/char/tape_class.c
index ddc914c..b2864e3 100644
--- a/drivers/s390/char/tape_class.c
+++ b/drivers/s390/char/tape_class.c
@@ -7,6 +7,10 @@
* Author: Stefan Bader <shbader@xxxxxxxxxx>
* Based on simple class device code by Greg K-H
*/
+
+#define KMSG_COMPONENT "tape"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include "tape_class.h"

MODULE_AUTHOR("Stefan Bader <shbader@xxxxxxxxxx>");
diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c
index f5d6802..81b094e 100644
--- a/drivers/s390/char/tape_core.c
+++ b/drivers/s390/char/tape_core.c
@@ -12,6 +12,8 @@
*/

#define KMSG_COMPONENT "tape"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/init.h> // for kernel parameters
#include <linux/kmod.h> // for requesting modules
diff --git a/drivers/s390/char/tape_proc.c b/drivers/s390/char/tape_proc.c
index ebd820c..0ceb379 100644
--- a/drivers/s390/char/tape_proc.c
+++ b/drivers/s390/char/tape_proc.c
@@ -11,6 +11,9 @@
* PROCFS Functions
*/

+#define KMSG_COMPONENT "tape"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/module.h>
#include <linux/vmalloc.h>
#include <linux/seq_file.h>
diff --git a/drivers/s390/char/tape_std.c b/drivers/s390/char/tape_std.c
index 750354a..03f07e5 100644
--- a/drivers/s390/char/tape_std.c
+++ b/drivers/s390/char/tape_std.c
@@ -11,6 +11,9 @@
* Stefan Bader <shbader@xxxxxxxxxx>
*/

+#define KMSG_COMPONENT "tape"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/bio.h>
diff --git a/drivers/s390/cio/ccwreq.c b/drivers/s390/cio/ccwreq.c
index 9509e38..7a28a30 100644
--- a/drivers/s390/cio/ccwreq.c
+++ b/drivers/s390/cio/ccwreq.c
@@ -49,7 +49,6 @@ static u16 ccwreq_next_path(struct ccw_device *cdev)
*/
static void ccwreq_stop(struct ccw_device *cdev, int rc)
{
- struct subchannel *sch = to_subchannel(cdev->dev.parent);
struct ccw_request *req = &cdev->private->req;

if (req->done)
@@ -57,7 +56,6 @@ static void ccwreq_stop(struct ccw_device *cdev, int rc)
req->done = 1;
ccw_device_set_timeout(cdev, 0);
memset(&cdev->private->irb, 0, sizeof(struct irb));
- sch->lpm = sch->schib.pmcw.pam;
if (rc && rc != -ENODEV && req->drc)
rc = req->drc;
req->callback(cdev, req->data, rc);
@@ -80,7 +78,6 @@ static void ccwreq_do(struct ccw_device *cdev)
continue;
}
/* Perform start function. */
- sch->lpm = 0xff;
memset(&cdev->private->irb, 0, sizeof(struct irb));
rc = cio_start(sch, cp, (u8) req->mask);
if (rc == 0) {
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 73901c9..a6c7d54 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -1519,6 +1519,7 @@ static int ccw_device_console_enable(struct ccw_device *cdev,
sch->driver = &io_subchannel_driver;
/* Initialize the ccw_device structure. */
cdev->dev.parent= &sch->dev;
+ sch_set_cdev(sch, cdev);
io_subchannel_recog(cdev, sch);
/* Now wait for the async. recognition to come to an end. */
spin_lock_irq(cdev->ccwlock);
diff --git a/drivers/s390/cio/device_pgid.c b/drivers/s390/cio/device_pgid.c
index aad188e..6facb54 100644
--- a/drivers/s390/cio/device_pgid.c
+++ b/drivers/s390/cio/device_pgid.c
@@ -142,7 +142,7 @@ static void spid_do(struct ccw_device *cdev)
u8 fn;

/* Use next available path that is not already in correct state. */
- req->lpm = lpm_adjust(req->lpm, sch->schib.pmcw.pam & ~sch->vpm);
+ req->lpm = lpm_adjust(req->lpm, cdev->private->pgid_todo_mask);
if (!req->lpm)
goto out_nopath;
/* Channel program setup. */
@@ -254,15 +254,15 @@ static void pgid_analyze(struct ccw_device *cdev, struct pgid **p,
*p = first;
}

-static u8 pgid_to_vpm(struct ccw_device *cdev)
+static u8 pgid_to_donepm(struct ccw_device *cdev)
{
struct subchannel *sch = to_subchannel(cdev->dev.parent);
struct pgid *pgid;
int i;
int lpm;
- u8 vpm = 0;
+ u8 donepm = 0;

- /* Set VPM bits for paths which are already in the target state. */
+ /* Set bits for paths which are already in the target state. */
for (i = 0; i < 8; i++) {
lpm = 0x80 >> i;
if ((cdev->private->pgid_valid_mask & lpm) == 0)
@@ -282,10 +282,10 @@ static u8 pgid_to_vpm(struct ccw_device *cdev)
if (pgid->inf.ps.state3 != SNID_STATE3_SINGLE_PATH)
continue;
}
- vpm |= lpm;
+ donepm |= lpm;
}

- return vpm;
+ return donepm;
}

static void pgid_fill(struct ccw_device *cdev, struct pgid *pgid)
@@ -307,6 +307,7 @@ static void snid_done(struct ccw_device *cdev, int rc)
int mismatch = 0;
int reserved = 0;
int reset = 0;
+ u8 donepm;

if (rc)
goto out;
@@ -316,18 +317,20 @@ static void snid_done(struct ccw_device *cdev, int rc)
else if (mismatch)
rc = -EOPNOTSUPP;
else {
- sch->vpm = pgid_to_vpm(cdev);
+ donepm = pgid_to_donepm(cdev);
+ sch->vpm = donepm & sch->opm;
+ cdev->private->pgid_todo_mask &= ~donepm;
pgid_fill(cdev, pgid);
}
out:
CIO_MSG_EVENT(2, "snid: device 0.%x.%04x: rc=%d pvm=%02x vpm=%02x "
- "mism=%d rsvd=%d reset=%d\n", id->ssid, id->devno, rc,
- cdev->private->pgid_valid_mask, sch->vpm, mismatch,
- reserved, reset);
+ "todo=%02x mism=%d rsvd=%d reset=%d\n", id->ssid,
+ id->devno, rc, cdev->private->pgid_valid_mask, sch->vpm,
+ cdev->private->pgid_todo_mask, mismatch, reserved, reset);
switch (rc) {
case 0:
/* Anything left to do? */
- if (sch->vpm == sch->schib.pmcw.pam) {
+ if (cdev->private->pgid_todo_mask == 0) {
verify_done(cdev, sch->vpm == 0 ? -EACCES : 0);
return;
}
@@ -411,6 +414,7 @@ static void verify_start(struct ccw_device *cdev)
struct ccw_dev_id *devid = &cdev->private->dev_id;

sch->vpm = 0;
+ sch->lpm = sch->schib.pmcw.pam;
/* Initialize request data. */
memset(req, 0, sizeof(*req));
req->timeout = PGID_TIMEOUT;
@@ -442,11 +446,14 @@ static void verify_start(struct ccw_device *cdev)
*/
void ccw_device_verify_start(struct ccw_device *cdev)
{
+ struct subchannel *sch = to_subchannel(cdev->dev.parent);
+
CIO_TRACE_EVENT(4, "vrfy");
CIO_HEX_EVENT(4, &cdev->private->dev_id, sizeof(cdev->private->dev_id));
/* Initialize PGID data. */
memset(cdev->private->pgid, 0, sizeof(cdev->private->pgid));
cdev->private->pgid_valid_mask = 0;
+ cdev->private->pgid_todo_mask = sch->schib.pmcw.pam;
/*
* Initialize pathgroup and multipath state with target values.
* They may change in the course of path verification.
diff --git a/drivers/s390/cio/fcx.c b/drivers/s390/cio/fcx.c
index 61677df..ca5e9bb 100644
--- a/drivers/s390/cio/fcx.c
+++ b/drivers/s390/cio/fcx.c
@@ -163,7 +163,7 @@ void tcw_finalize(struct tcw *tcw, int num_tidaws)
/* Add tcat to tccb. */
tccb = tcw_get_tccb(tcw);
tcat = (struct tccb_tcat *) &tccb->tca[tca_size(tccb)];
- memset(tcat, 0, sizeof(tcat));
+ memset(tcat, 0, sizeof(*tcat));
/* Calculate tcw input/output count and tcat transport count. */
count = calc_dcw_count(tccb);
if (tcw->w && (tcw->flags & TCW_FLAGS_OUTPUT_TIDA))
@@ -269,7 +269,7 @@ EXPORT_SYMBOL(tccb_init);
*/
void tsb_init(struct tsb *tsb)
{
- memset(tsb, 0, sizeof(tsb));
+ memset(tsb, 0, sizeof(*tsb));
}
EXPORT_SYMBOL(tsb_init);

diff --git a/drivers/s390/cio/io_sch.h b/drivers/s390/cio/io_sch.h
index d72ae4c..b9ce712 100644
--- a/drivers/s390/cio/io_sch.h
+++ b/drivers/s390/cio/io_sch.h
@@ -150,6 +150,7 @@ struct ccw_device_private {
struct ccw_request req; /* internal I/O request */
int iretry;
u8 pgid_valid_mask; /* mask of valid PGIDs */
+ u8 pgid_todo_mask; /* mask of PGIDs to be adjusted */
struct {
unsigned int fast:1; /* post with "channel end" */
unsigned int repall:1; /* report every interrupt status */
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 4be6e84..b2275c5 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -486,7 +486,8 @@ static int get_inbound_buffer_frontier(struct qdio_q *q)
case SLSB_P_INPUT_PRIMED:
inbound_primed(q, count);
q->first_to_check = add_buf(q->first_to_check, count);
- atomic_sub(count, &q->nr_buf_used);
+ if (atomic_sub(count, &q->nr_buf_used) == 0)
+ qdio_perf_stat_inc(&perf_stats.inbound_queue_full);
break;
case SLSB_P_INPUT_ERROR:
announce_buffer_error(q, count);
diff --git a/drivers/s390/cio/qdio_perf.c b/drivers/s390/cio/qdio_perf.c
index 968e3c7..54f7c32 100644
--- a/drivers/s390/cio/qdio_perf.c
+++ b/drivers/s390/cio/qdio_perf.c
@@ -64,6 +64,8 @@ static int qdio_perf_proc_show(struct seq_file *m, void *v)
(long)atomic_long_read(&perf_stats.fast_requeue));
seq_printf(m, "Number of outbound target full condition\t: %li\n",
(long)atomic_long_read(&perf_stats.outbound_target_full));
+ seq_printf(m, "Number of inbound queue full condition\t\t: %li\n",
+ (long)atomic_long_read(&perf_stats.inbound_queue_full));
seq_printf(m, "Number of outbound tasklet mod_timer calls\t: %li\n",
(long)atomic_long_read(&perf_stats.debug_tl_out_timer));
seq_printf(m, "Number of stop polling calls\t\t\t: %li\n",
diff --git a/drivers/s390/cio/qdio_perf.h b/drivers/s390/cio/qdio_perf.h
index ff4504c..1245423 100644
--- a/drivers/s390/cio/qdio_perf.h
+++ b/drivers/s390/cio/qdio_perf.h
@@ -36,6 +36,7 @@ struct qdio_perf_stats {
atomic_long_t outbound_handler;
atomic_long_t fast_requeue;
atomic_long_t outbound_target_full;
+ atomic_long_t inbound_queue_full;

/* for debugging */
atomic_long_t debug_tl_out_timer;
diff --git a/drivers/s390/cio/qdio_setup.c b/drivers/s390/cio/qdio_setup.c
index 18d54fc..8c2dea5 100644
--- a/drivers/s390/cio/qdio_setup.c
+++ b/drivers/s390/cio/qdio_setup.c
@@ -48,7 +48,6 @@ static void set_impl_params(struct qdio_irq *irq_ptr,
if (!irq_ptr)
return;

- WARN_ON((unsigned long)&irq_ptr->qib & 0xff);
irq_ptr->qib.pfmt = qib_param_field_format;
if (qib_param_field)
memcpy(irq_ptr->qib.parm, qib_param_field,
@@ -82,14 +81,12 @@ static int __qdio_allocate_qs(struct qdio_q **irq_ptr_qs, int nr_queues)
q = kmem_cache_alloc(qdio_q_cache, GFP_KERNEL);
if (!q)
return -ENOMEM;
- WARN_ON((unsigned long)q & 0xff);

q->slib = (struct slib *) __get_free_page(GFP_KERNEL);
if (!q->slib) {
kmem_cache_free(qdio_q_cache, q);
return -ENOMEM;
}
- WARN_ON((unsigned long)q->slib & 0x7ff);
irq_ptr_qs[i] = q;
}
return 0;
@@ -131,7 +128,7 @@ static void setup_storage_lists(struct qdio_q *q, struct qdio_irq *irq_ptr,
/* fill in sbal */
for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; j++) {
q->sbal[j] = *sbals_array++;
- WARN_ON((unsigned long)q->sbal[j] & 0xff);
+ BUG_ON((unsigned long)q->sbal[j] & 0xff);
}

/* fill in slib */
@@ -147,11 +144,6 @@ static void setup_storage_lists(struct qdio_q *q, struct qdio_irq *irq_ptr,
/* fill in sl */
for (j = 0; j < QDIO_MAX_BUFFERS_PER_Q; j++)
q->sl->element[j].sbal = (unsigned long)q->sbal[j];
-
- DBF_EVENT("sl-slsb-sbal");
- DBF_HEX(q->sl, sizeof(void *));
- DBF_HEX(&q->slsb, sizeof(void *));
- DBF_HEX(q->sbal, sizeof(void *));
}

static void setup_queues(struct qdio_irq *irq_ptr,
diff --git a/include/linux/elf.h b/include/linux/elf.h
index 90a4ed0..0cc4d55 100644
--- a/include/linux/elf.h
+++ b/include/linux/elf.h
@@ -361,7 +361,7 @@ typedef struct elf64_shdr {
#define NT_PPC_VSX 0x102 /* PowerPC VSX registers */
#define NT_386_TLS 0x200 /* i386 TLS slots (struct user_desc) */
#define NT_386_IOPERM 0x201 /* x86 io permission bitmap (1=deny) */
-#define NT_PRXSTATUS 0x300 /* s390 upper register halves */
+#define NT_S390_HIGH_GPRS 0x300 /* s390 upper register halves */


/* Note header in a PT_NOTE section */
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/