| Commit message (Collapse) | Author | Age | Files | Lines |
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In support of improved interoperability between operating systems and pre-boot
environments the Intel proposed NVDIMM Namespace Specification [1], has been
adopted and modified to the the UEFI 2.7 NVDIMM Label Protocol [2].
Update the definitions of the namespace label data structures so that the new
format can be supported alongside the existing label format.
The new specification changes the default label size to 256 bytes, so
everywhere that relied on sizeof(struct nd_namespace_label) must now use the
sizeof_namespace_label() helper.
There should be no functional differences from these changes as the
default is still the v1.1 128-byte format. Future patches will move the
default to the v1.2 definition.
[1]: http://pmem.io/documents/NVDIMM_Namespace_Spec.pdf
[2]: http://www.uefi.org/sites/default/files/resources/UEFI_Spec_2_7.pdf
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Fix the compile after the switch to the UUID API in commit f4c19ac9
("thermal: int340x_thermal: Switch to use new generic UUID API").
Signed-off-by: Christoph Hellwig <hch@lst.de>
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There are new types and helpers that are supposed to be used in
new code.
As a preparation to get rid of legacy types and API functions do
the conversion here.
The conversion fixes a potential bug in int340x_thermal as well
since we have to use memcmp() on binary data.
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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acpi_evaluate_dsm() and friends take a pointer to a raw buffer of 16
bytes. Instead we convert them to use guid_t type. At the same time we
convert current users.
acpi_str_to_uuid() becomes useless after the conversion and it's safe to
get rid of it.
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Cc: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Joerg Roedel <jroedel@suse.de>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Yisen Zhuang <yisen.zhuang@huawei.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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There are new types and helpers that are supposed to be used in new code.
As a preparation to get rid of legacy types and API functions do
the conversion here.
Cc: Borislav Petkov <bp@suse.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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There are new types and helpers that are supposed to be used in new code.
As a preparation to get rid of legacy types and API functions do
the conversion here.
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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There are new types and helpers that are supposed to be used in new code.
As a preparation to get rid of legacy types and API functions do
the conversion here.
Cc: Borislav Petkov <bp@suse.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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There are new types and helpers that are supposed to be used in new code.
As a preparation to get rid of legacy types and API functions do
the conversion here.
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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For some file systems we still memcpy into it, but in various places this
already allows us to use the proper uuid helpers. More to come..
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Acked-by: Mimi Zohar <zohar@linux.vnet.ibm.com> (Changes to IMA/EVM)
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Hoist the libnvdimm helper as an inline helper to linux/uuid.h
using an auxiliary const variable uuid_null in lib/uuid.c.
[hch: also add the guid variant. Both do the same but I'd like
to keep casts to a minimum]
The common helper uses the new abstract type uuid_t * instead of
u8 *.
Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
[hch: added guid_is_null]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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The md private helper uuid_equal() collides with a generic helper
of the same name.
Rename the md private helper to md_uuid_equal() and do the same for
md_sb_equal().
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Shaohua Li <shli@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty fix from Greg KH:
"Here is a single tty core fix for 4.12-rc4. It reverts a patch that a
lot of people reported as causing lockdep and other warnings.
Right after I reverted this in my tree, it seems like another
"correct" fix might have shown up, but it's too late in the release
cycle to be messing with tty core locking, so let's just revert this
for now to go back how things always have been and try it again for
4.13.
This has not been in linux-next as I only reverted it a few hours ago"
* tag 'tty-4.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
Revert "tty: fix port buffer locking"
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This reverts commit 925bb1ce47f429f69aad35876df7ecd8c53deb7e.
It causes lots of warnings and problems so for now, let's just revert
it.
Reported-by: <valdis.kletnieks@vt.edu>
Reported-by: Russell King <linux@armlinux.org.uk>
Reported-by: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reported-by: Jiri Slaby <jslaby@suse.cz>
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Acked-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input subsystem fixes from Dmitry Torokhov:
- a couple of regression fixes in synaptics and axp20x-pek drivers
- try to ease transition from PS/2 to RMI for Synaptics touchpad users
by ensuring we do not try to activate RMI mode when RMI SMBus support
is not enabled, and nag users a bit to enable it
- plus a couple of other changes that seemed worthwhile for this
release
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: axp20x-pek - switch to acpi_dev_present and check for ACPI0011 too
Input: axp20x-pek - only check for "INTCFD9" ACPI device on Cherry Trail
Input: tm2-touchkey - use LEN_ON as boolean value instead of LED_FULL
Input: synaptics - tell users to report when they should be using rmi-smbus
Input: synaptics - warn the users when there is a better mode
Input: synaptics - keep PS/2 around when RMI4_SMB is not enabled
Input: synaptics - clear device info before filling in
Input: silead - disable interrupt during suspend
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acpi_dev_found checks that there is a matching ACPI node, but it
may be disabled (_STA method returns 0) in which case the
soc_button_array driver will not bind to it and axp20x-pek should
handle the power-button.
This commit switches from acpi_dev_found to acpi_dev_present to
avoid not registering an input-dev for the powerbutton when there
is a disabled PNP0C40 device.
The ACPI-6.0 standard defines a standard gpio button device using
the ACPI0011 HID replacing the custom PNP0C40 gpio device, many
newer devices define both PNP0C40 and ACPI0011 devices enabling one
or the other depending on whether the BIOS thinks it is going to boot
Android or Windows.
This commit adds a check for the ACPI0011 device, so that if
either device is present *and* enabled we don't register an input-dev
for the powerbutton.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Commit 9b13a4ca8d2c ("Input: axp20x-pek - do not register input device
on some systems") added a check for the INTCFD9 ACPI device which also
handles the powerbutton as on some systems the powerbutton is connected
to both the PMIC, handled by axp20x-pek, and to a gpio on the SoC, handled
by soc_button_array which attaches itself to the INTCFD9 ACPI device.
Testing + comparing DSDTs has shown that this only happens on Cherry
Trail devices with an AXP288 PMIC, the AXP288 PMIC is also used on
Bay Trail devices but there the power button is only connected to
the PMIC and not handled by soc_button_array.
This means that the INTCFD9 check has caused a regression on Bay Trail
devices, causing power-button presses to no longer be seen.
This commit fixes this by limiting the check to devices where the ACPI
node for the AXP288 contains a _HRV (hardware revision) attribute with
a value of 3 which indicates we are dealing with a Cherry Trail platform.
Fixes: 9b13a4ca8d2c ("Input: axp20x-pek - do not register input ...")
Reported-by: Сергей Трусов <t.rus76@ya.ru>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Merge with mainline to get acpi_dev_present() needed by patches to
axp20x-pek driver.
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Commit 4e552c8cb5bc ("leds: add LED_ON brightness as boolean value")
has introduced the LED_ON enumeration value that can be used
instead of LED_FULL which has more of a linear value.
Because the tm2-touchscreen doesn't have brightness levels, but
it's a simple on/off led, use LED_ON instead of LED_FULL.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Reviewed-by: Jaechul Lee <jcsing.lee@samsung.com>
Tested-by: Jaechul Lee <jcsing.lee@samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Users should really consider switching to rmi-smbus instead of plain PS/2.
Notify them that they should report a missing pnpID in the file.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The Synaptics touchpads are now either using i2c-hid or rmi-smbus.
Warn the users if they are missing the rmi-smbus modules and have no
chance of reporting correct data.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Or the user might have the touchpad unbound from PS/2 but never picked
up by rmi-smbus.ko
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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synaptics_query_hardware() was being passed a 'struct synaptics_device_info'
in uninitialized stack memory, then not always initializing all fields.
This caused garbage to show up in certain fields, making the touchpad
unusable.
Fix by zeroing the device info, so all fields default to 0.
Fixes: 6c53694fb222 ("Input: synaptics - split device info into a separate structure")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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When we put the touchscreen controller in low-power mode the irq
pin may trigger (float) and if we then try to read a data packet we
get the following error in dmesg:
[ 478.801017] silead_ts i2c-MSSL1680:00: Data read error -121
This commit disables the irq during suspend/resume fixing this error.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is nine fixes, seven of which are for the qedi driver (new as of
4.10) the other two are a use after free in the cxgbi drivers and a
potential NULL dereference in the rdac device handler"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: libcxgbi: fix skb use after free
scsi: qedi: Fix endpoint NULL panic during recovery.
scsi: qedi: set max_fin_rt default value
scsi: qedi: Set firmware tcp msl timer value.
scsi: qedi: Fix endpoint NULL panic in qedi_set_path.
scsi: qedi: Set dma_boundary to 0xfff.
scsi: qedi: Correctly set firmware max supported BDs.
scsi: qedi: Fix bad pte call trace when iscsiuio is stopped.
scsi: scsi_dh_rdac: Use ctlr directly in rdac_failover_get()
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skb->data is assigned to task->hdr in cxgbi_conn_alloc_pdu(),
skb gets freed after tx but task->hdr is still dereferenced in
iscsi_tcp_task_xmit() to avoid this call skb_get() after allocating skb
and free the skb in cxgbi_cleanup_task() or before allocating new skb in
cxgbi_conn_alloc_pdu().
Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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max_fin_rt is the maximum re-transmission of FIN packets
as part of the termination flow. After reaching this value
the FW will send a single RESET.
Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com>
Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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RIP: 0010:qedi_set_path+0x114/0x570 [qedi]
Call Trace:
[<ffffffffa0472923>] iscsi_if_recv_msg+0x623/0x14a0
[<ffffffff81307de6>] ? rhashtable_lookup_compare+0x36/0x70
[<ffffffffa047382e>] iscsi_if_rx+0x8e/0x1f0
[<ffffffff8155983d>] netlink_unicast+0xed/0x1b0
[<ffffffff81559c30>] netlink_sendmsg+0x330/0x770
[<ffffffff81510d60>] sock_sendmsg+0xb0/0xf0
[<ffffffff8101360b>] ? __switch_to+0x17b/0x4b0
[<ffffffff8163a2c8>] ? __schedule+0x2d8/0x900
[<ffffffff81511199>] ___sys_sendmsg+0x3a9/0x3c0
[<ffffffff810e2298>] ? get_futex_key+0x1c8/0x2b0
[<ffffffff810e25a0>] ? futex_wake+0x80/0x160
Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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munmap done by iscsiuio during a stop of the service triggers a "bad
pte" warning sometimes. munmap kernel path goes through the mmapped
pages and has a validation check for mapcount (in struct page) to be
zero or above. kzalloc, which we had used to allocate udev->ctrl, uses
slab allocations, which re-uses mapcount (union) for other purposes that
can make the mapcount look negative. Avoid all these trouble by invoking
one of the __get_free_pages wrappers to be used instead of kzalloc for
udev->ctrl.
BUG: Bad page map in process iscsiuio pte:80000000aa624067 pmd:3e6777067
page:ffffea0002a98900 count:2 mapcount:-2143289280
mapping: (null) index:0xffff8800aa624e00
page flags: 0x10075d00000090(dirty|slab)
page dumped because: bad pte
addr:00007fcba70a3000 vm_flags:0c0400fb anon_vma: (null)
mapping:ffff8803edf66e90 index:0
Call Trace:
dump_stack+0x19/0x1b
print_bad_pte+0x1af/0x250
unmap_page_range+0x7a7/0x8a0
unmap_single_vma+0x81/0xf0
unmap_vmas+0x49/0x90
unmap_region+0xbe/0x140
? vma_rb_erase+0x121/0x220
do_munmap+0x245/0x420
vm_munmap+0x41/0x60
SyS_munmap+0x22/0x30
tracesys+0xdd/0xe2
Signed-off-by: Arun Easi <arun.easi@cavium.com>
Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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rdac_failover_get references struct rdac_controller as
ctlr->ms_sdev->handler_data->ctlr for no apparent reason. Besides being
inefficient this also introduces a null-pointer dereference as
send_mode_select() sets ctlr->ms_sdev to NULL before calling
rdac_failover_get():
[ 18.432550] device-mapper: multipath service-time: version 0.3.0 loaded
[ 18.436124] BUG: unable to handle kernel NULL pointer dereference at 0000000000000790
[ 18.436129] IP: send_mode_select+0xca/0x560
[ 18.436129] PGD 0
[ 18.436130] P4D 0
[ 18.436130]
[ 18.436132] Oops: 0000 [#1] SMP
[ 18.436133] Modules linked in: dm_service_time sd_mod dm_multipath amdkfd amd_iommu_v2 radeon(+) i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm qla2xxx drm serio_raw scsi_transport_fc bnx2 i2c_core dm_mirror dm_region_hash dm_log dm_mod
[ 18.436143] CPU: 4 PID: 443 Comm: kworker/u16:2 Not tainted 4.12.0-rc1.1.el7.test.x86_64 #1
[ 18.436144] Hardware name: IBM BladeCenter LS22 -[79013SG]-/Server Blade, BIOS -[L8E164AUS-1.07]- 05/25/2011
[ 18.436145] Workqueue: kmpath_rdacd send_mode_select
[ 18.436146] task: ffff880225116a40 task.stack: ffffc90002bd8000
[ 18.436148] RIP: 0010:send_mode_select+0xca/0x560
[ 18.436148] RSP: 0018:ffffc90002bdbda8 EFLAGS: 00010246
[ 18.436149] RAX: 0000000000000000 RBX: ffffc90002bdbe08 RCX: ffff88017ef04a80
[ 18.436150] RDX: ffffc90002bdbe08 RSI: ffff88017ef04a80 RDI: ffff8802248e4388
[ 18.436151] RBP: ffffc90002bdbe48 R08: 0000000000000000 R09: ffffffff81c104c0
[ 18.436151] R10: 00000000000001ff R11: 000000000000035a R12: ffffc90002bdbdd8
[ 18.436152] R13: ffff8802248e4390 R14: ffff880225152800 R15: ffff8802248e4400
[ 18.436153] FS: 0000000000000000(0000) GS:ffff880227d00000(0000) knlGS:0000000000000000
[ 18.436154] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 18.436154] CR2: 0000000000000790 CR3: 000000042535b000 CR4: 00000000000006e0
[ 18.436155] Call Trace:
[ 18.436159] ? rdac_activate+0x14e/0x150
[ 18.436161] ? refcount_dec_and_test+0x11/0x20
[ 18.436162] ? kobject_put+0x1c/0x50
[ 18.436165] ? scsi_dh_activate+0x6f/0xd0
[ 18.436168] process_one_work+0x149/0x360
[ 18.436170] worker_thread+0x4d/0x3c0
[ 18.436172] kthread+0x109/0x140
[ 18.436173] ? rescuer_thread+0x380/0x380
[ 18.436174] ? kthread_park+0x60/0x60
[ 18.436176] ret_from_fork+0x2c/0x40
[ 18.436177] Code: 49 c7 46 20 00 00 00 00 4c 89 ef c6 07 00 0f 1f 40 00 45 31 ed c7 45 b0 05 00 00 00 44 89 6d b4 4d 89 f5 4c 8b 75 a8 49 8b 45 20 <48> 8b b0 90 07 00 00 48 8b 56 10 8b 42 10 48 8d 7a 28 85 c0 0f
[ 18.436192] RIP: send_mode_select+0xca/0x560 RSP: ffffc90002bdbda8
[ 18.436192] CR2: 0000000000000790
[ 18.436198] ---[ end trace 40f3e4dca1ffabdd ]---
[ 18.436199] Kernel panic - not syncing: Fatal exception
[ 18.436222] Kernel Offset: disabled
[-- MARK -- Thu May 18 11:45:00 2017]
Fixes: 327825574132 scsi_dh_rdac: switch to scsi_execute_req_flags()
Cc: stable@vger.kernel.org
Signed-off-by: Artem Savkov <asavkov@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma fixes from Doug Ledford:
"For the most part this is just a minor -rc cycle for the rdma
subsystem. Even given that this is all of the -rc patches since the
merge window closed, it's still only about 25 patches:
- Multiple i40iw, nes, iw_cxgb4, hfi1, qib, mlx4, mlx5 fixes
- A few upper layer protocol fixes (IPoIB, iSER, SRP)
- A modest number of core fixes"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (26 commits)
RDMA/SA: Fix kernel panic in CMA request handler flow
RDMA/umem: Fix missing mmap_sem in get umem ODP call
RDMA/core: not to set page dirty bit if it's already set.
RDMA/uverbs: Declare local function static and add brackets to sizeof
RDMA/netlink: Reduce exposure of RDMA netlink functions
RDMA/srp: Fix NULL deref at srp_destroy_qp()
RDMA/IPoIB: Limit the ipoib_dev_uninit_default scope
RDMA/IPoIB: Replace netdev_priv with ipoib_priv for ipoib_get_link_ksettings
RDMA/qedr: add null check before pointer dereference
RDMA/mlx5: set UMR wqe fence according to HCA cap
net/mlx5: Define interface bits for fencing UMR wqe
RDMA/mlx4: Fix MAD tunneling when SRIOV is enabled
RDMA/qib,hfi1: Fix MR reference count leak on write with immediate
RDMA/hfi1: Defer setting VL15 credits to link-up interrupt
RDMA/hfi1: change PCI bar addr assignments to Linux API functions
RDMA/hfi1: fix array termination by appending NULL to attr array
RDMA/iw_cxgb4: fix the calculation of ipv6 header size
RDMA/iw_cxgb4: calculate t4_eq_status_entries properly
RDMA/iw_cxgb4: Avoid touch after free error in ARP failure handlers
RDMA/nes: ACK MPA Reply frame
...
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Commit 9fdca4da4d8c (IB/SA: Split struct sa_path_rec based on IB and
ROCE specific fields) moved the service_id to be specific attribute
for IB and OPA SA Path Record, and thus wasn't assigned for RoCE.
This caused to the following kernel panic in the CMA request handler flow:
[ 27.074594] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
[ 27.074731] IP: __radix_tree_lookup+0x1d/0xe0
...
[ 27.075356] Workqueue: ib_cm cm_work_handler [ib_cm]
[ 27.075401] task: ffff88022e3b8000 task.stack: ffffc90001298000
[ 27.075449] RIP: 0010:__radix_tree_lookup+0x1d/0xe0
...
[ 27.075979] Call Trace:
[ 27.076015] radix_tree_lookup+0xd/0x10
[ 27.076055] cma_ps_find+0x59/0x70 [rdma_cm]
[ 27.076097] cma_id_from_event+0xd2/0x470 [rdma_cm]
[ 27.076144] ? ib_init_ah_from_path+0x39a/0x590 [ib_core]
[ 27.076193] cma_req_handler+0x25/0x480 [rdma_cm]
[ 27.076237] cm_process_work+0x25/0x120 [ib_cm]
[ 27.076280] ? cm_get_bth_pkey.isra.62+0x3c/0xa0 [ib_cm]
[ 27.076350] cm_req_handler+0xb03/0xd40 [ib_cm]
[ 27.076430] ? sched_clock_cpu+0x11/0xb0
[ 27.076478] cm_work_handler+0x194/0x1588 [ib_cm]
[ 27.076525] process_one_work+0x160/0x410
[ 27.076565] worker_thread+0x137/0x4a0
[ 27.076614] kthread+0x112/0x150
[ 27.076684] ? max_active_store+0x60/0x60
[ 27.077642] ? kthread_park+0x90/0x90
[ 27.078530] ret_from_fork+0x2c/0x40
This patch moves it back to the common SA Path Record structure
and removes the redundant setter and getter.
Tested on Connect-IB and Connect-X4 in Infiniband and RoCE respectively.
Fixes: 9fdca4da4d8c (IB/SA: Split struct sa_path_rec based on IB ands
ROCE specific fields)
Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Add mmap_sem lock around VMA inspection in ib_umem_odp_get().
Fixes: 0008b84ea9af ('IB/umem: Add support to huge ODP')
Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com>
Reviewed-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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This change will optimize kernel memory deregistration operations.
__ib_umem_release() used to call set_page_dirty_lock() against every
writable page in its memory region. Its purpose is to keep data
synced between CPU and DMA device when swapping happens after mem
deregistration ops. Now we choose not to set page dirty bit if it's
already set by kernel prior to calling __ib_umem_release(). This
reduces memory deregistration time by half or even more when we ran
application simulation test program.
Signed-off-by: Qing Huang <qing.huang@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Commit 57520751445b ("IB/SA: Add OPA path record type") introduced
new local function __ib_copy_path_rec_to_user, but didn't limit its
scope. This produces the following sparse warning:
drivers/infiniband/core/uverbs_marshall.c:99:6: warning:
symbol '__ib_copy_path_rec_to_user' was not declared. Should it be
static?
In addition, it used sizeof ... notations instead of sizeof(...), which
is correct in C, but a little bit misleading. Let's change it too.
Fixes: 57520751445b ("IB/SA: Add OPA path record type")
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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RDMA netlink is part of ib_core, hence ibnl_chk_listeners(),
ibnl_init() and ibnl_cleanup() don't need to be published
in public header file.
Let's remove EXPORT_SYMBOL from ibnl_chk_listeners() and move all these
functions to private header file.
CC: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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If srp_init_qp() fails at srp_create_ch_ib() then ch->send_cq
may be NULL.
Calling directly to ib_destroy_qp() is sufficient because
no work requests were posted on the created qp.
Fixes: 9294000d6d89 ("IB/srp: Drain the send queue before destroying a QP")
Cc: <stable@vger.kernel.org>
Signed-off-by: Israel Rukshin <israelr@mellanox.com>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Bart van Assche <bart.vanassche@sandisk.com>--
Signed-off-by: Doug Ledford <dledford@redhat.com>
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ipoib_dev_uninit_default() call is used in ipoib_main.c file only
and it generates the following warning from smatch tool:
drivers/infiniband/ulp/ipoib/ipoib_main.c:1593:6: warning:
symbol 'ipoib_dev_uninit_default' was not declared. Should it
be static?
so let's declare that function as static.
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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ipoib_dev_init accesses the wrong private data for the IPoIB device.
Commit cd565b4b51e5 (IB/IPoIB: Support acceleration options callbacks)
changed ipoib_priv from being identical to netdev_priv to being an
area inside of, but not the same pointer as, the netdev_priv pointer.
As such, the struct we want is the ipoib_priv area, not the netdev_priv
area, so use the right accessor, otherwise we kernel panic.
[ 27.271938] IPv6: ADDRCONF(NETDEV_CHANGE): mlx5_ib0.8006: link becomes ready
[ 28.156790] BUG: unable to handle kernel NULL pointer dereference at 000000000000067c
[ 28.166309] IP: ib_query_port+0x30/0x180 [ib_core]
...
[ 28.306282] RIP: 0010:ib_query_port+0x30/0x180 [ib_core]
...
[ 28.393337] Call Trace:
[ 28.397594] ipoib_get_link_ksettings+0x66/0xe0 [ib_ipoib]
[ 28.405274] __ethtool_get_link_ksettings+0xa0/0x1c0
[ 28.412353] speed_show+0x74/0xa0
[ 28.417503] dev_attr_show+0x20/0x50
[ 28.422922] ? mutex_lock+0x12/0x40
[ 28.428179] sysfs_kf_seq_show+0xbf/0x1a0
[ 28.434002] kernfs_seq_show+0x21/0x30
[ 28.439470] seq_read+0x116/0x3b0
[ 28.444445] ? do_filp_open+0xa5/0x100
[ 28.449774] kernfs_fop_read+0xff/0x180
[ 28.455220] __vfs_read+0x37/0x150
[ 28.460167] ? security_file_permission+0x9d/0xc0
[ 28.466560] vfs_read+0x8c/0x130
[ 28.471318] SyS_read+0x55/0xc0
[ 28.475950] do_syscall_64+0x67/0x150
[ 28.481163] entry_SYSCALL64_slow_path+0x25/0x25
...
[ 28.584493] ---[ end trace 3549968a4bf0aa5d ]---
Fixes: cd565b4b51e5 (IB/IPoIB: Support acceleration options callbacks)
Fixes: 0d7e2d2166f6 (IB/ipoib: add get_link_ksettings in ethtool)
Signed-off-by: Honggang Li <honli@redhat.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Add null check before dereferencing pointer sgid_attr.ndev
inside function rdma_vlan_dev_vlan_id().
Addresses-Coverity-ID: 1373979
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Acked-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Cache the needed umr_fence and set the wqe ctrl segmennt
accordingly.
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Acked-by: Leon Romanovsky <leon@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The cited patch added a type field to structures ib_ah and rdma_ah_attr.
Function mlx4_ib_query_ah() builds an rdma_ah_attr structure from the
data in an mlx4_ib_ah structure (which contains both an ib_ah structure
and an address vector).
For mlx4_ib_query_ah() to work properly, the type field in the contained
ib_ah structure must be set correctly.
In the outgoing MAD tunneling flow, procedure mlx4_ib_multiplex_mad()
paravirtualizes a MAD received from a slave and sends the processed
mad out over the wire. During this processing, it populates an
mlx4_ib_ah structure and calls mlx4_ib_query_ah().
The cited commit overlooked setting the type field in the contained
ib_ah structure before invoking mlx4_ib_query_ah(). As a result, the
type field remained uninitialized, and the rdma_ah_attr structure was
incorrectly built. This resulted in improperly built MADs being sent out
over the wire.
This patch properly initializes the type field in the contained ib_ah
structure before calling mlx4_ib_query_ah(). The rdma_ah_attr structure
is then generated correctly.
Fixes: 44c58487d51a ("IB/core: Define 'ib' and 'roce' rdma_ah_attr types")
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The handling of IB_RDMA_WRITE_ONLY_WITH_IMMEDIATE will leak a memory
reference when a buffer cannot be allocated for returning the immediate
data.
The issue is that the rkey validation has already occurred and the RNR
nak fails to release the reference that was fruitlessly gotten. The
the peer will send the identical single packet request when its RNR
timer pops.
The fix is to release the held reference prior to the rnr nak exit.
This is the only sequence the requires both rkey validation and the
buffer allocation on the same packet.
Cc: Stable <stable@vger.kernel.org> # 4.7+
Tested-by: Tadeusz Struk <tadeusz.struk@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Keep VL15 credits at 0 during LNI, before link-up. Store
VL15 credits value during verify cap interrupt and set
in after link-up. This addresses an issue where VL15 MAD
packets could be sent by one side of the link before
the other side is ready to receive them.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Dean Luick <dean.luick@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jakub Byczkowski <jakub.byczkowski@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The Omni-Path adapter driver fails to load on the ppc64le platform
due to invalid PCI setup.
This patch makes the PCI configuration more robust and will
fix 64 bit addressing for ppc64le.
Signed-off-by: Steven L Roberts <robers97@gmail.com>
Acked-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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