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Viewing changes to drivers/s390/cio/chsc_sch.c

  • Committer: Bazaar Package Importer
  • Author(s): Ben Hutchings, Ben Hutchings, Aurelien Jarno
  • Date: 2011-06-07 12:14:05 UTC
  • mfrom: (43.1.9 sid)
  • Revision ID: james.westby@ubuntu.com-20110607121405-i3h1rd7nrnd2b73h
Tags: 2.6.39-2
[ Ben Hutchings ]
* [x86] Enable BACKLIGHT_APPLE, replacing BACKLIGHT_MBP_NVIDIA
  (Closes: #627492)
* cgroups: Disable memory resource controller by default. Allow it
  to be enabled using kernel parameter 'cgroup_enable=memory'.
* rt2800usb: Enable support for more USB devices including
  Linksys WUSB600N (Closes: #596626) (this change was accidentally
  omitted from 2.6.39-1)
* [x86] Remove Celeron from list of processors supporting PAE. Most
  'Celeron M' models do not.
* Update debconf template translations:
  - Swedish (Martin Bagge) (Closes: #628932)
  - French (David Prévot) (Closes: #628191)
* aufs: Update for 2.6.39 (Closes: #627837)
* Add stable 2.6.39.1, including:
  - ext4: dont set PageUptodate in ext4_end_bio()
  - pata_cmd64x: fix boot crash on parisc (Closes: #622997, #622745)
  - ext3: Fix fs corruption when make_indexed_dir() fails
  - netfilter: nf_ct_sip: validate Content-Length in TCP SIP messages
  - sctp: fix race between sctp_bind_addr_free() and
    sctp_bind_addr_conflict()
  - sctp: fix memory leak of the ASCONF queue when free asoc
  - md/bitmap: fix saving of events_cleared and other state
  - cdc_acm: Fix oops when Droids MuIn LCD is connected
  - cx88: Fix conversion from BKL to fine-grained locks (Closes: #619827)
  - keys: Set cred->user_ns in key_replace_session_keyring (CVE-2011-2184)
  - tmpfs: fix race between truncate and writepage
  - nfs41: Correct offset for LAYOUTCOMMIT
  - xen/mmu: fix a race window causing leave_mm BUG()
  - ext4: fix possible use-after-free in ext4_remove_li_request()
  For the complete list of changes, see:
   http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.1
* Bump ABI to 2
* netfilter: Enable IP_SET, IP_SET_BITMAP_IP, IP_SET_BITMAP_IPMAC,
  IP_SET_BITMAP_PORT, IP_SET_HASH_IP, IP_SET_HASH_IPPORT,
  IP_SET_HASH_IPPORTIP, IP_SET_HASH_IPPORTNET, IP_SET_HASH_NET,
  IP_SET_HASH_NETPORT, IP_SET_LIST_SET, NETFILTER_XT_SET as modules
  (Closes: #629401)

[ Aurelien Jarno ]
* [mipsel/loongson-2f] Disable_SCSI_LPFC to workaround GCC ICE.

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static void chsc_subchannel_irq(struct subchannel *sch)
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{
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        struct chsc_private *private = sch->private;
 
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        struct chsc_private *private = dev_get_drvdata(&sch->dev);
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        struct chsc_request *request = private->request;
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        struct irb *irb = (struct irb *)&S390_lowcore.irb;
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        private = kzalloc(sizeof(*private), GFP_KERNEL);
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        if (!private)
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                return -ENOMEM;
 
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        dev_set_drvdata(&sch->dev, private);
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        ret = cio_enable_subchannel(sch, (u32)(unsigned long)sch);
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        if (ret) {
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                CHSC_MSG(0, "Failed to enable 0.%x.%04x: %d\n",
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                         sch->schid.ssid, sch->schid.sch_no, ret);
 
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                dev_set_drvdata(&sch->dev, NULL);
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                kfree(private);
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        } else {
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                sch->private = private;
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                if (dev_get_uevent_suppress(&sch->dev)) {
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                        dev_set_uevent_suppress(&sch->dev, 0);
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                        kobject_uevent(&sch->dev.kobj, KOBJ_ADD);
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        struct chsc_private *private;
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        cio_disable_subchannel(sch);
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        private = sch->private;
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        sch->private = NULL;
 
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        private = dev_get_drvdata(&sch->dev);
 
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        dev_set_drvdata(&sch->dev, NULL);
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        if (private->request) {
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                complete(&private->request->completion);
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                put_device(&sch->dev);
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MODULE_DEVICE_TABLE(css, chsc_subchannel_ids);
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static struct css_driver chsc_subchannel_driver = {
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        .owner = THIS_MODULE,
 
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        .drv = {
 
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                .owner = THIS_MODULE,
 
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                .name = "chsc_subchannel",
 
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        },
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        .subchannel_type = chsc_subchannel_ids,
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        .irq = chsc_subchannel_irq,
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        .probe = chsc_subchannel_probe,
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        .freeze = chsc_subchannel_freeze,
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        .thaw = chsc_subchannel_restore,
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        .restore = chsc_subchannel_restore,
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        .name = "chsc_subchannel",
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};
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static int __init chsc_init_dbfs(void)
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        chsc_area->header.key = PAGE_DEFAULT_KEY >> 4;
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        while ((sch = chsc_get_next_subchannel(sch))) {
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                spin_lock(sch->lock);
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                private = sch->private;
 
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                private = dev_get_drvdata(&sch->dev);
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                if (private->request) {
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                        spin_unlock(sch->lock);
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                        ret = -EBUSY;