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Abhiram Balasubramanian abhiram
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Anton Burtsev
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Charlie Jacobsen cjacobsen
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David Detweiler ddetweiler
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David Johnson johnsond
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Vikram Narayanan vikram
- Jul 23, 2010
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Ursula Braun authored
Function qeth_l2_remove_device invokes qeth_l2_del_all_mc at the end. This is needless, because it is already called in the offline function. And even more this is invalid, because multicast addresses cannot be removed in DOWN state. Thus this patch deletes invocation of qeth_l2_del_all_mc in function qeth_l2_remove_device. Signed-off-by:
Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by:
Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Julia Lawall authored
The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/ ) // <smpl> @@ expression from,to,size,flag; position p; identifier l1,l2; @@ - to = \(kmalloc@p\|kzalloc@p\)(size,flag); + to = memdup_user(from,size); if ( - to==NULL + IS_ERR(to) || ...) { <+... when != goto l1; - -ENOMEM + PTR_ERR(to) ...+> } - if (copy_from_user(to, from, size) != 0) { - <+... when != goto l2; - -EFAULT - ...+> - } // </smpl> Signed-off-by:
Julia Lawall <julia@diku.dk> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
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Ursula Braun authored
Reply callback functions in qeth should return zero if command response consists of one part only, otherwise qeth continues waiting for further parts of the command response. Signed-off-by:
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Ursula Braun authored
When creating a claw device, just 2 subchannels have to be grouped. Signed-off-by:
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Ursula Braun authored
If qeth issues an ipa command, but for some reasons the response never comes back, qeth reaches a timeout. Reset the irq_pending flag of the write channel in timeout handling code and trigger a recovery to avoid endless looping for the following ipa command. Signed-off-by:
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Ursula Braun authored
This patch serializes device removal and other sysfs-triggered configurations by moving removal of sysfs-attributes to the beginning of the remove functions. And it serializes online/offline setting and discipline-switching (causing reestablishing of the net_device) by making use of a new discipline mutex. Signed-off-by:
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Carsten Otte authored
This patch fixes a problem that occurs when switching from layer 3 to layer 2 mode. Resetting this mac_bits makes sure that we retrieve our mac address from the card, otherwise the interface simply would'nt work. Signed-off-by:
Carsten Otte <cotte@de.ibm.com> Signed-off-by:
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Klaus-Dieter Wacker authored
The qeth IP address flag setting is possible when device is offline. When setting device online afterwards the current set IP addresses have to be correctly registered with the device regarding the IP address takeover attribute. Signed-off-by:
Klaus-Dieter Wacker <kdwacker@de.ibm.com> Signed-off-by:
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- Jun 23, 2010
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Ursula Braun authored
For z/VM guest operating systems, OSX CHPIDs can only be used, if LPAR and z/VM userID are explicitly authorized through the Service Element. Issue a message if this SE-authorization is missing. Signed-off-by:
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Ursula Braun authored
OSN devices use the same function level as OSD devices. This patch adds OSN-devices to the initialization function for func_level. Signed-off-by:
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Frank Blaschka authored
Turning on memory debugging showed there could be page breaks in hardware headers. OSA does not allow this so we had to add code to bounce the header in case there is a page break. This patch also fixes a problem in case the skb->data part of a fragmented skb spreads multiple pages. Signed-off-by:
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Carsten Otte authored
The function qeth_free_buffer_pool is called _after_ the per-card debug area has been released. This debug message is not all that usefull anyway, and thus gets removed. Signed-off-by:
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Carsten Otte authored
This patch removes the qerr debug area. Most info that goes in here is logged to the card's local debug area already, those duplicates are removed. All other elements are moved to the card's local debug area. Signed-off-by:
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Carsten Otte authored
This patch removes the misc debug area. Instead of logging the entire skb we just log a pointer to it into the card's local debug area in qeth_core_get_next_skb. Other then that, this debug area is not used anywhere. Signed-off-by:
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Carsten Otte authored
This patch removes the sense debug area completely. Despite the name this debug area makes no sense at all because it's unused completely. Ouch. Signed-off-by:
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Carsten Otte authored
This patch removes the qeth_trace debug area. All relevant data is logged into either qeth_setup or into each card's own debug area. Superfluous information (such as the card number when logging into the card's own debug area) is removed without replacement. Signed-off-by:
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Carsten Otte authored
This patch adds a debug area for each qeth card. This debug area will replace various other debug areas that are global for all cards handled by the device driver. On crash dump analysis this makes life easier when trying to find out what's going on with an interface. Also, the forest of debug areas for this device driver is significantly cleared up. Signed-off-by:
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Carsten Otte authored
This patch decouples qeth_dbf_longtext from qeth's static debug array. The function only uses one member anyway. Signed-off-by:
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Ursula Braun authored
If another smsgiucv_app device exists, suspend / resume fails with iucv path list corruption, because the same iucv_path_connect is called twice. The patch introduces a flag to save connect status of the smsgiucv path to make sure iucv_path_connect in smsg_pm_restore_thaw is called only once. Signed-off-by:
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- May 26, 2010
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Stefan Haberland authored
React on unit checks during cio internal I/O. Handle as unsolicited interrupt and advice cio to retry. Signed-off-by:
Stefan Haberland <stefan.haberland@de.ibm.com> Signed-off-by:
Martin Schwidefsky <schwidefsky@de.ibm.com>
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Michael Ernst authored
Send unit checks that occur during internal I/O to the device driver and react according to its return code. Signed-off-by:
Michael Ernst <mernst@de.ibm.com> Signed-off-by:
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Sebastian Ott authored
Several processes may concurrently try to create a group device from the same ccw_device(s). Add locking arround the drvdata access to prevent race conditions. Signed-off-by:
Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by:
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Sebastian Ott authored
Since 8821d24c we no longer use the plain stsch inline function but the one which can handle exceptions. Remove the unused function. Signed-off-by:
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- May 21, 2010
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Chris Wright authored
This allows bin_attr->read,write,mmap callbacks to check file specific data (such as inode owner) as part of any privilege validation. Signed-off-by:
Chris Wright <chrisw@sous-sol.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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- May 17, 2010
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Ursula Braun authored
The qeth driver is enabled to support the new OSA CHPID types OSX and OSM. Signed-off-by:
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Julia Lawall authored
Drop cast on the result of kmalloc and similar functions. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/ ) // <smpl> @@ type T; @@ - (T *) (\(kmalloc\|kzalloc\|kcalloc\|kmem_cache_alloc\|kmem_cache_zalloc\| kmem_cache_alloc_node\|kmalloc_node\|kzalloc_node\)(...)) // </smpl> Signed-off-by:
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Julia Lawall authored
Use kmemdup when some other buffer is immediately copied into the allocated region. A simplified version of the semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/ ) // <smpl> @@ expression from,to,size,flag; statement S; @@ - to = \(kmalloc\|kzalloc\)(size,flag); + to = kmemdup(from,size,flag); if (to==NULL || ...) S - memcpy(to, from, size); // </smpl> Signed-off-by:
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Julia Lawall authored
Use kstrdup when the goal of an allocation is copy a string into the allocated region. Additionally drop the now unused variable len. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/ ) // <smpl> @@ expression from,to; expression flag,E1,E2; statement S; @@ - to = kmalloc(strlen(from) + 1,flag); + to = kstrdup(from, flag); ... when != \(from = E1 \| to = E1 \) if (to==NULL || ...) S ... when != \(from = E2 \| to = E2 \) - strcpy(to, from); // </smpl> Signed-off-by:
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Jan Glauber authored
Remove qdio API wrappers used by qeth and replace them by calling the appropriate functions directly. Signed-off-by:
Jan Glauber <jang@linux.vnet.ibm.com> Signed-off-by:
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Jan Glauber authored
The state change indicator is bit 7 not bit 0 of the dsci. Use the correct bit for setting the indicator. Signed-off-by:
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Jan Glauber authored
Don't convert timestamps to microseconds, use timestamps returned by get_clock() directly. Signed-off-by:
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Jan Glauber authored
Remove memset hack that relied on the layout of struct qdio_q to avoid deletion of the slib pointer. Signed-off-by:
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Jan Glauber authored
If adapter interrupts are not available and traditional IO interrupts are used for qdio the inbound tasklet continued to run if new data arrived. That could possibly block other tasklets scheduled on the same CPU. If new data arrives schedule the tasklet again instead of directly processing the new data. Signed-off-by:
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Jan Glauber authored
Add missing increment for the qdio interrupt counter. Signed-off-by:
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Stefan Haberland authored
Remove the duplicate of the DASD uid from the devmap structure. Use the uid from the device private structure instead. This also removes a lockdep warning complaining about a possible SOFTIRQ-safe -> SOFTIRQ-unsafe lock order. Signed-off-by:
Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by:
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Stefan Haberland authored
For base Parallel Access Volume (PAV) there is a fixed mapping of base and alias devices. With dynamic PAV this mapping can be changed so that an alias device is used with another base device. This patch enables the DASD device driver to tolerate dynamic PAV changes. Signed-off-by:
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Martin Schwidefsky authored
Use nonseekable_open for a couple of s390 device drivers. This avoids the use of default_llseek function which has a dependency on the BKL. Signed-off-by: -
Heiko Carstens authored
Change the tristate Kbuild option into a bool option so that the module is either builtin or not available at all. There have been too many cases where people were missing the 'vmcp' device node and unable to send z/VM CP commands. So let's make sure that on distros it will always be present. Signed-off-by:
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Martin Schwidefsky authored
A machine check can interrupt the i/o and external interrupt handler anytime. If the machine check occurs while the interrupt handler is waking up from idle vtime_start_cpu can get executed a second time and the int_clock / async_enter_timer values in the lowcore get clobbered. This can confuse the cpu time accounting. To fix this problem two changes are needed. First the machine check handler has to use its own copies of int_clock and async_enter_timer, named mcck_clock and mcck_enter_timer. Second the nested execution of vtime_start_cpu has to be prevented. This is done in s390_idle_check by checking the wait bit in the program status word. Signed-off-by: -
Martin Schwidefsky authored
Remove cpu_id from lowcore and replace addr_t with __u64. Signed-off-by:
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