Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6

* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
  [S390] Use strim instead of strstrip to avoid false warnings.
  [S390] qdio: add counter for input queue full condition
  [S390] qdio: remove superfluous log entries and WARN_ONs.
  [S390] ptrace: dont abuse PT_PTRACED
  [S390] cio: fix channel path vary
  [S390] drivers: Correct size given to memset
  [S390] tape: Add pr_fmt() macro to all tape source files
  [S390] rename NT_PRXSTATUS to NT_S390_HIGHREGS
  [S390] tty: PTR_ERR return of wrong pointer in fs3270_open()
  [S390] s390: PTR_ERR return of wrong pointer in fallback_init_cip()
  [S390] dasd: PTR_ERR return of wrong pointer in
  [S390] dasd: move dasd-diag kmsg to dasd
  [S390] cio: fix drvdata usage for the console subchannel
  [S390] wire up sys_recvmmsg
This commit is contained in:
Linus Torvalds 2009-12-19 09:46:46 -08:00
commit ecd5907a20
30 changed files with 95 additions and 62 deletions

View file

@ -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;

View file

@ -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;
}

View file

@ -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);

View file

@ -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

View file

@ -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

View file

@ -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,

View file

@ -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),

View file

@ -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)

View file

@ -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;

View file

@ -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) {

View file

@ -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:

View file

@ -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;

View file

@ -9,6 +9,7 @@
*/
#define KMSG_COMPONENT "tape_34xx"
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
#include <linux/module.h>
#include <linux/init.h>

View file

@ -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,

View file

@ -11,6 +11,7 @@
*/
#define KMSG_COMPONENT "tape"
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
#include <linux/fs.h>
#include <linux/module.h>

View file

@ -10,6 +10,9 @@
* Martin Schwidefsky <schwidefsky@de.ibm.com>
*/
#define KMSG_COMPONENT "tape"
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
#include <linux/module.h>
#include <linux/types.h>
#include <linux/proc_fs.h>

View file

@ -7,6 +7,10 @@
* Author: Stefan Bader <shbader@de.ibm.com>
* 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@de.ibm.com>");

View file

@ -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

View file

@ -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>

View file

@ -11,6 +11,9 @@
* Stefan Bader <shbader@de.ibm.com>
*/
#define KMSG_COMPONENT "tape"
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/bio.h>

View file

@ -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) {

View file

@ -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);

View file

@ -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.

View file

@ -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);

View file

@ -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 */

View file

@ -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);

View file

@ -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",

View file

@ -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;

View file

@ -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,

View file

@ -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 */