- 14 Jul, 2008 40 commits
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Martin Schwidefsky authored
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Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:
Heiko Carstens <heiko.carstens@de.ibm.com>
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Hongjie Yang authored
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Hongjie Yang <hongjie@us.ibm.com> Signed-off-by:
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Michael Holzheu authored
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Michael Holzheu <holzheu@de.ibm.com> Signed-off-by:
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Martin Schwidefsky authored
The message descriptions are still missing though .. Signed-off-by:
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Michael Holzheu authored
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Gerald Schaefer authored
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Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by:
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Gerald Schaefer authored
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Martin Schwidefsky authored
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Jan Glauber authored
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Jan Glauber <jang@linux.vnet.ibm.com> Signed-off-by:
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Frank Blaschka authored
Cc: Jeff Garzik <jgarzik@redhat.com> Signed-off-by:
Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by:
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Ursula Braun authored
Cc: Jeff Garzik <jgarzik@redhat.com> Signed-off-by:
Ursula Braun <braunu@de.ibm.com> Signed-off-by:
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Ursula Braun authored
Cc: David S. Miller <davem@davemloft.net> Signed-off-by:
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Martin Schwidefsky authored
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Felix Beck authored
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Felix Beck <felix.beck@de.ibm.com> Signed-off-by:
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Martin Schwidefsky authored
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Martin Schwidefsky authored
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Martin Schwidefsky authored
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Martin Schwidefsky authored
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Michael Ernst authored
Unnecessary dev_info, dev_warn and printk messages are removed. Signed-off-by:
Michael Ernst <mernst@de.ibm.com> Signed-off-by:
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Heiko Carstens authored
Move memory detection code to own file and also simplify it. Also add an interface which can be called at any time to get the current memory layout. This interface is needed by our kernel internal system dumper. Cc: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Cc: Michael Holzheu <holzheu@de.ibm.com> Cc: Frank Munzert <munzert@de.ibm.com> Signed-off-by:
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Sebastian Ott authored
In some cases where the channel subsystem decides to drop a subchannel device device_unregister may be called twice, which results in an oops. The patch prevents this by only unregistering registered devices. Signed-off-by:
Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by:
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Heiko Carstens authored
Cc: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by:
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Heiko Carstens authored
Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by:
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Akinobu Mita authored
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Akinobu Mita <akinobu.mita@gmail.com> Cc: Michael Holzheu <holzheu@de.ibm.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
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Akinobu Mita authored
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Akinobu Mita authored
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Akinobu Mita authored
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Julia Lawall authored
As noted by Akinobu Mita in patch b1fceac2, alloc_bootmem and related functions never return NULL and always return a zeroed region of memory. Thus a NULL test or memset after calls to these functions is unnecessary. drivers/s390/char/raw3270.c | 11 +---------- drivers/s390/char/sclp_con.c | 2 -- 2 files changed, 1 insertion(+), 12 deletions(-) This was fixed using the following semantic patch. (http://www.emn.fr/x-info/coccinelle/) // <smpl> @@ expression E; statement S; @@ E = \(alloc_bootmem\|alloc_bootmem_low\|alloc_bootmem_pages\|alloc_bootmem_low_pages\)(...) ... when != E ( - BUG_ON (E == NULL); | - if (E == NULL) S ) @@ expression E,E1; @@ E = \(alloc_bootmem\|alloc_bootmem_low\|alloc_bootmem_pages\|alloc_bootmem_low_pages\)(...) ... when != E - memset(E,0,E1); // </smpl> Signed-off-by:
Julia Lawall <julia@diku.dk> Signed-off-by:
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Julia Lawall authored
As noted by Akinobu Mita in patch b1fceac2, alloc_bootmem and related functions never return NULL and always return a zeroed region of memory. Thus a NULL test or memset after calls to these functions is unnecessary. arch/s390/kernel/topology.c | 2 -- 1 file changed, 2 deletions(-) This was fixed using the following semantic patch. (http://www.emn.fr/x-info/coccinelle/) // <smpl> @@ expression E; statement S; @@ E = \(alloc_bootmem\|alloc_bootmem_low\|alloc_bootmem_pages\|alloc_bootmem_low_pages\)(...) ... when != E ( - BUG_ON (E == NULL); | - if (E == NULL) S ) @@ expression E,E1; @@ E = \(alloc_bootmem\|alloc_bootmem_low\|alloc_bootmem_pages\|alloc_bootmem_low_pages\)(...) ... when != E - memset(E,0,E1); // </smpl> Signed-off-by:
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Heiko Carstens authored
Some macros in pgtable.h access members from struct task_struct. Currently always works since sched.h seems always to be included before asm/pgtable.h. Unfortunately that is not anymore true with Jeremy Fitzhardinge's ptep_modify_prot transaction abstraction patch. So fix this. Signed-off-by:
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Ralph Wuerthner authored
Add support for new micro code load of CEX2C and CEX2A adapters, which uses different IDs. This patch just adds the IDs to the existing drivers. Signed-off-by:
Ralph Wuerthner <ralph.wuerthner@de.ibm.com> Signed-off-by:
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Hendrik Brueckner authored
Now it is possible to specify additional kernel parameters on the IPL command line using the IPL PARM option. If the Linux system is already running, the new reipl sysfs attribute 'parm' can be used to change kernel parameters for the next reboot. Examples: IPL C PARM dasd=1234 root=/dev/dasda1 IPL 1234 PARM savesys=mylnxnss echo "init=/bin/bash" > /sys/firmware/reipl/ccw/parm Signed-off-by:
Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Signed-off-by:
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Felix Beck authored
The ap poll mechanism is converted to use a high-resolution timer for polling. This allows more specific polling. With this a new sysfs attribute is introduced to specify the polling rate in nanoseconds. Signed-off-by:
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Peter Oberparleiter authored
Fix a number of sclp_vt220 cleanup problems: * fix list_empty check after list_del() * mark init-only flag as __initdata * remove implicit dependency between slab_available() and num_pages * straighten multiple init handling (use init count) Signed-off-by:
Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by:
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Heiko Carstens authored
The idle notifier chain consists of at most one element. So there's no point in having a notifier chain. Remove it and directly call the function. Signed-off-by:
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Cornelia Huck authored
This patch adds a driver for subchannels of type chsc. A device /dev/chsc is created which may be used to issue ioctls to: - obtain information about the machine's I/O configuration - dynamically change the machine's I/O configuration via asynchronous chsc commands Signed-off-by:
Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by:
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Peter Oberparleiter authored
Do not send CHP_ONLINE/CHP_OFFLINE events to subchannel drivers when a channel-path configure request failed. Signed-off-by:
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Cornelia Huck authored
css_device_id exists, so use it for determining the right driver (and add a match_flags which is always 1 for valid types). Signed-off-by:
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Cornelia Huck authored
Passing the affected chpid in chp_event() worked only by chance since chpid is the first element in res_acc_data. Make it work properly by generalizing res_acc_data as chp_link and always passing around a properly filled out chp_link structure in chp_event(). Signed-off-by:
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Cornelia Huck authored
Use the new isc registration functions for all places that need an I/O interruption subclass. Signed-off-by:
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