There is an issue when memcg unregisters events that were attached to
the same eventfd:
- On the first call mem_cgroup_usage_unregister_event() removes all
events attached to a given eventfd, and if there were no events left,
thresholds->primary would become NULL;
- Since there were several events registered, cgroups core will call
mem_cgroup_usage_unregister_event() again, but now kernel will oops,
as the function doesn't expect that threshold->primary may be NULL.
That's a good question whether mem_cgroup_usage_unregister_event()
should actually remove all events in one go, but nowadays it can't
do any better as cftype->unregister_event callback doesn't pass
any private event-associated cookie. So, let's fix the issue by
simply checking for threshold->primary.
FWIW, w/o the patch the following oops may be observed:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000004
IP: [<ffffffff810be32c>] mem_cgroup_usage_unregister_event+0x9c/0x1f0
Pid: 574, comm: kworker/0:2 Not tainted 3.3.0-rc4+ #9 Bochs Bochs
RIP: 0010:[<ffffffff810be32c>] [<ffffffff810be32c>] mem_cgroup_usage_unregister_event+0x9c/0x1f0
RSP: 0018:ffff88001d0b9d60 EFLAGS: 00010246
Process kworker/0:2 (pid: 574, threadinfo ffff88001d0b8000, task ffff88001de91cc0)
Call Trace:
[<ffffffff8107092b>] cgroup_event_remove+0x2b/0x60
[<ffffffff8103db94>] process_one_work+0x174/0x450
[<ffffffff8103e413>] worker_thread+0x123/0x2d0
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Kirill A. Shutemov <kirill@shutemov.name>
Cc: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
let user know they could try if pci=realloc could help.
-v2: update suggestion text.
Suggested-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Let the user could enable and disable with pci=realloc=on or pci=realloc=off
Also
1. move variable and functions near the place they are used.
2. change macro to function
3. change related functions and variable to static and _init
4. update parameter description accordingly.
This will let us add a config option to control default behavior, and
still allow the user to turn off automatic reallocation if it fails on
their platform until a permanent solution is found.
-v2: still honor pci=realloc, and treat it as pci=realloc=on
also use enum instead of ...
-v3: update kernel-paramenters.txt according to Jesse.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This patch makes IRQ_DOMAIN usable on MIPS. It uses an ugly workaround
to preserve current behaviour so that MIPS has time to add irq_domain
registration to the irq controller drivers. The workaround will be
removed in Linux v3.6
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-mips@linux-mips.org
When enabling pci reallocation for a pci bridge, we clear the small size
in in bridge and re-assign with requested + optional size for first
several tries, but Ram mention could have problem with one case:
https://bugzilla.kernel.org/show_bug.cgi?id=15960
After checking the booting log in
https://lkml.org/lkml/2010/4/19/44
[regression, bisected] Xonar DX invalid PCI I/O range since 977d17bb17
We should not stop too early for io ports.
Apr 19 10:19:38 [kernel] pci 0000:04:00.0: BAR 7: can't assign io (size 0x4000)
Apr 19 10:19:38 [kernel] pci 0000:05:01.0: BAR 8: assigned [mem 0x80400000-0x805fffff]
Apr 19 10:19:38 [kernel] pci 0000:05:01.0: BAR 7: can't assign io (size 0x2000)
Apr 19 10:19:38 [kernel] pci 0000:05:02.0: BAR 7: can't assign io (size 0x1000)
Apr 19 10:19:38 [kernel] pci 0000:05:03.0: BAR 7: can't assign io (size 0x1000)
Apr 19 10:19:38 [kernel] pci 0000:08:00.0: BAR 7: can't assign io (size 0x1000)
Apr 19 10:19:38 [kernel] pci 0000:09:04.0: BAR 0: can't assign io (size 0x100)
and clear 00:1c.0 to retry again.
This patch removes IORESOUCE_IO checking, and tries one more time. It
gives us a chance to get an allocation for the 00:1c.0 io port range
because the range from 0x4000 to 0x8000 will be freed and we can use it.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Otherwise we get:
`omap_sr_remove' referenced in section `.data' of arch/arm/mach-omap2/built-in.o:
defined in discarded section `.devexit.text' of arch/arm/mach-omap2/built-in.o
Signed-off-by: Tony Lindgren <tony@atomide.com>
If we don't have ARCH_OMAP2, 3 or 4 selected randconfig will always
fail with multiple errors as the CPU and MACHINE are not set.
Fix this by changing arch/arm/Makefile to build mach-omap2 based on
ARCH_OMAP2PLUS. And let's introduce SOC_OMAP and SOC_OMAP_NOOP that
allow randconfig to generate buildable .config files.
Note that we can also remove few uncecssary ARCH_OMAP2PLUS lines
as they are all within if ARCH_OMAP2PLUS block.
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Otherwise we get:
`omap_system_dma_remove' referenced in section `.data' of arch/arm/plat-omap/built-in.o:
defined in discarded section `.devexit.text' of arch/arm/plat-omap/built-in.o
Signed-off-by: Tony Lindgren <tony@atomide.com>
Temperature history is reset by writing 0x8000 into the peak temperature
register, not 0xffff.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Jean Delvare <khali@linux-fr.org>
rdev->desc->ops->set_voltage_time_sel may return negative error code.
Set delay to 0 and also show warning if set_voltage_time_sel returns error.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Provide a regcache_sync_region() operation which allows drivers to
write only part of the cache back to the hardware. This is intended
for use in cases like power domains or DSP memories where part of the
device register map may be reset without fully resetting the device.
Fully supporting these devices is likely to require additional work to
make specific regions of the register map cache only while they are in
reset, but this is enough for most devices.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
In order to allow us to support partial sync operations add minimum and
maximum register arguments to the sync operation and update the rbtree
and lzo caches to use this new information. The LZO implementation is
obviously not good, we could exit the iteration earlier, but there may
be room for more wide reaching optimisation there.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
SET_SYSTEM_SLEEP_PM_OPS writes .poweroff = *_resume once. Then we overwrite it
again explicitly as .poweroff = snd_soc_poweroff. Even though it works, as the
second one overwrites the first one, this is not the correct way. Fix this by
expanding SET_SYSTEM_SLEEP_PM_OPS in our structure.
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Adapt omap-iommu-debug to the latest omap-iommu API changes, which
were introduced by commit fabdbca "iommu/omap: eliminate the public
omap_find_iommu_device() method".
In a nutshell, iommu users are not expected to provide the omap_iommu
handle anymore - instead, iommus are attached using their user's device
handle.
omap-iommu-debug is a hybrid beast though: it invokes both public and
private omap iommu API, so fix it as necessary (otherwise a crash
is imminent).
Note: omap-iommu-debug is a bit disturbing, as it fiddles with internal
omap iommu data and requires exposing API which is otherwise not needed.
It should better be more tightly coupled with omap-iommu, to prevent
further bit rot and avoid exposing redundant API. Naturally that's out
of scope for the -rc cycle, so for now just fix the obvious.
Reported-by: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Hiroshi Doyu <hdoyu@nvidia.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Joerg Roedel <Joerg.Roedel@amd.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Stephen Rothwell reported that the following commit broke the
linux-next build:
1fd36adcd9: Replace the fd_sets in struct fdtable with an array of unsigned longs
Fix places where ->fds_bits needed to be removed as the core
kernel no longer uses fd_set internally for file descriptor
table management. There are two places:
(1) drivers/staging/android/binder.c
(2) arch/mips/kernel/kspd.c
Question: Should sp_cleanup() in the MIPS arch be using find_next_bit()
or fls()?
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Ralf Bächle <ralf@linux-mips.org>
cc: Arve Hjønnevåg <arve@android.com>
Link: http://lkml.kernel.org/r/20120224105707.32170.11550.stgit@warthog.procyon.org.uk
Signed-off-by: Ingo Molnar <mingo@elte.hu>
* 'vexpress-dt-v3.3-rc4' of git://git.linaro.org/people/pawelmoll/linux: (573 commits)
ARM: vexpress: Add Device Tree for V2P-CA15 core tile (TC1 variant)
ARM: vexpress: Add Device Tree for V2P-CA9 core tile
ARM: vexpress: Add Device Tree for V2P-CA5s core tile
ARM: vexpress: Motherboard RS1 memory map support
ARM: vexpress: Add Device Tree support
ARM: vexpress: Use FDT data in platform SMP calls
ARM: versatile: Map local timers using Device Tree when possible
ARM: vexpress: Get rid of MMIO_P2V
This adds full device tree boot support for the versatile express
platform, as has been awaited for a long time.
Conflicts:
arch/arm/mach-vexpress/core.h
The definition of AMBA_DEVICE was removed in one branch, and the
definition of MMIO_P2V was removed in the other branch.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Mark request status as done for Read Local Version HCI command. In AMP
initialization this HCI command is the last and needs to be completed.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
With Bluetooth 1.1 controllers the last command in the HCI init sequence
will be a write_local_name, however there was no callback to indicate
init request completion in this case. This patch fixes the issue by
adding the necessary callback to the write_local_name_complete handler.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Marcell Zambo and Janos Farago noticed and reported that when
new conntrack entries are added via netlink and the conntrack table
gets full, soft lockup happens. This is because the nf_conntrack_lock
is held while nf_conntrack_alloc is called, which is in turn wants
to lock nf_conntrack_lock while evicting entries from the full table.
The patch fixes the soft lockup with limiting the holding of the
nf_conntrack_lock to the minimum, where it's absolutely required.
It required to extend (and thus change) nf_conntrack_hash_insert
so that it makes sure conntrack and ctnetlink do not add the same entry
twice to the conntrack table.
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This reverts commit af14cca162.
This patch contains a race condition between packets and ctnetlink
in the conntrack addition. A new patch to fix this issue follows up.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
musb INDEX register is getting modified/corrupted during temporary
un-locking in a SMP system. Set this register with proper value
after re-acquiring the lock
Scenario:
---------
CPU1 is handling a data transfer completion interrupt received for
the CLASS1 EP
CPU2 is handling a CLASS2 thread which is queuing data to musb for
transfer
Below is the error sequence:
CPU1 | CPU2
--------------------------------------------------------------------
Data transfer completion inter- |
rupt recieved. |
|
musb INDEX reg set to CLASS1 EP |
|
musb LOCK is acquired. |
|
| CLASS2 thread queues data.
|
| CLASS2 thread tries to acquire musb
| LOCK but lock is already taken by
| CLASS1, so CLASS2 thread is
| spinning.
|
From Interrupt Context musb |
giveback function is called |
|
The giveback function releases | CLASS2 thread now acquires LOCK
LOCK |
|
ClASS1 Request's completion cal-| ClASS2 schedules the data transfer and
lback is called | sets the MUSB INDEX to Class2 EP number
|
Interrupt handler for CLASS1 EP |
tries to acquire LOCK and is |
spinning |
|
Interrupt for Class1 EP acquires| Class2 completes the scheduling etc and
the MUSB LOCK | releases the musb LOCK
|
Interrupt for Class1 EP schedul-|
es the next data transfer |
but musb INDEX register is still|
set to CLASS2 EP |
Since the MUSB INDEX register is set to a different endpoint, we
read and modify the wrong registers. Hence data transfer will not
happen properly. This results in unpredictable behavior
So, the MUSB INDEX register is set to proper value again when
interrupt re-acquires the lock
Cc: stable@vger.kernel.org
Signed-off-by: Supriya Karanth <supriya.karanth@stericsson.com>
Signed-off-by: Praveena Nadahally <praveen.nadahally@stericsson.com>
Reviewed-by: srinidhi kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
When loading g_ether gadget, there is below message:
Backtrace:
[<80012248>] (dump_backtrace+0x0/0x10c) from [<803cb42c>] (dump_stack+0x18/0x1c)
r7:00000000 r6:80512000 r5:8052bef8 r4:80513f30
[<803cb414>] (dump_stack+0x0/0x1c) from [<8000feb4>] (show_regs+0x44/0x50)
[<8000fe70>] (show_regs+0x0/0x50) from [<8004c840>] (__schedule_bug+0x68/0x84)
r5:8052bef8 r4:80513f30
[<8004c7d8>] (__schedule_bug+0x0/0x84) from [<803cd0e4>] (__schedule+0x4b0/0x528)
r5:8052bef8 r4:809aad00
[<803ccc34>] (__schedule+0x0/0x528) from [<803cd214>] (_cond_resched+0x44/0x58)
[<803cd1d0>] (_cond_resched+0x0/0x58) from [<800a9488>] (dma_pool_alloc+0x184/0x250)
r5:9f9b4000 r4:9fb4fb80
[<800a9304>] (dma_pool_alloc+0x0/0x250) from [<802a8ad8>] (fsl_req_to_dtd+0xac/0x180)
[<802a8a2c>] (fsl_req_to_dtd+0x0/0x180) from [<802a8ce4>] (fsl_ep_queue+0x138/0x274)
[<802a8bac>] (fsl_ep_queue+0x0/0x274) from [<7f004328>] (composite_setup+0x2d4/0xfac [g_ether])
[<7f004054>] (composite_setup+0x0/0xfac [g_ether]) from [<802a9bb4>] (fsl_udc_irq+0x8dc/0xd38)
[<802a92d8>] (fsl_udc_irq+0x0/0xd38) from [<800704f8>] (handle_irq_event_percpu+0x54/0x188)
[<800704a4>] (handle_irq_event_percpu+0x0/0x188) from [<80070674>] (handle_irq_event+0x48/0x68)
[<8007062c>] (handle_irq_event+0x0/0x68) from [<800738ec>] (handle_level_irq+0xb4/0x138)
r5:80514f94 r4:80514f40
[<80073838>] (handle_level_irq+0x0/0x138) from [<8006ffa4>] (generic_handle_irq+0x38/0x44)
r7:00000012 r6:80510b1c r5:80529860 r4:80512000
[<8006ff6c>] (generic_handle_irq+0x0/0x44) from [<8000f4c4>] (handle_IRQ+0x54/0xb4)
[<8000f470>] (handle_IRQ+0x0/0xb4) from [<800085b8>] (tzic_handle_irq+0x64/0x94)
r9:412fc085 r8:00000000 r7:80513f30 r6:00000001 r5:00000000
r4:00000000
[<80008554>] (tzic_handle_irq+0x0/0x94) from [<8000e680>] (__irq_svc+0x40/0x60)
The reason of above dump message is calling dma_poll_alloc with can-schedule
mem_flags at atomic context.
To fix this problem, below changes are made:
- fsl_req_to_dtd doesn't need to be protected by spin_lock_irqsave,
as struct usb_request can be access at process context. Move lock
to beginning of hardware visit (fsl_queue_td).
- Change the memory flag which using to allocate dTD descriptor buffer,
the memory flag can be from gadget layer.
It is tested at i.mx51 bbg board with g_mass_storage, g_ether, g_serial.
Cc: stable@vger.kernel.org
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch fixup below warning on device_unregister()
renesas_usbhs renesas_usbhs.1: host probed
renesas_usbhs renesas_usbhs.1: gadget probed
renesas_usbhs renesas_usbhs.1: irq request err
------------[ cut here ]------------
WARNING: at ${LINUX}/drivers/base/core.c:1)
Device 'gadget' does not have a release() function, it is broken and must be fi.
Modules linked in:
[<c000e25c>] (unwind_backtrace+0x0/0xe4) from [<c0016960>] (warn_slowpath_commo)
[<c0016960>] (warn_slowpath_common+0x4c/0x64) from [<c00169f8>] (warn_slowpath_)
[<c00169f8>] (warn_slowpath_fmt+0x2c/0x3c) from [<c0185b80>] (device_release+0x)
[<c0185b80>] (device_release+0x70/0x84) from [<c013e300>] (kobject_cleanup+0x58)
[<c013e300>] (kobject_cleanup+0x58/0x6c) from [<c01cba14>] (usbhs_mod_gadget_re)
[<c01cba14>] (usbhs_mod_gadget_remove+0x3c/0x6c) from [<c01c8384>] (usbhs_mod_p)
[<c01c8384>] (usbhs_mod_probe+0x68/0x80) from [<c01c7f84>] (usbhs_probe+0x1cc/0)
...
Cc: stable@vger.kernel.org
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This fix a bug in f_serial, which expect the ep->desc to be NULL after
disabling an endpoint.
Cc: stable@vger.kernel.org
Signed-off-by: Ido Shayevitz <idos@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Use pr_<level> for printk
Use temporary instead of multiple pr_conts
Coalesce formats.
Save a few bytes of object code too:
$ size drivers/net/ethernet/intel/e1000/e1000_main.o*
text data bss dec hex filename
60507 369 14120 74996 124f4
drivers/net/ethernet/intel/e1000/e1000_main.o.new
60717 369 14176 75262 125fe
drivers/net/ethernet/intel/e1000/e1000_main.o.old
Removed printing of pktdata.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Tushar Dave <tushar.n.dave@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Separate a complicated bit of e1000_config_dsp_after_link_change
into a new static function e1000_1000Mb_check_cable_length.
Reduces indentation and adds a bit of clarity.
Signed-off-by: Joe Perches <joe@perches.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Recent discussions on LKML, kernel-janitors, linux-wireless and netdev
have suggested boolean comparisons should use logical operators instead of
equality comparisons with true/false.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This allows the NIC to receive the Ethernet FCS
and pass it up the stack, allowing sniffers and
other interested programs to inspect the FCS.
Signed-off-by: Ben Greear <greearb@candelatech.com>
This allows the NIC to receive packets with bad FCS and
Runts, which can help when sniffing.
NOTE: r8169, at least on my NIC, silently drops packets
with bad FCS instead of counting them. It seems they are
only received in any fashion if the RxCRC flag is set
(which this patch allows).
Signed-off-by: Ben Greear <greearb@candelatech.com>
This allows the NIC to pass the Ethernet FCS on up
the stack, and is useful when sniffing networks.
Signed-off-by: Ben Greear <greearb@candelatech.com>
This allows the NIC to receive Runts and frames with bad
Ethernet Frame Checksums (FCS).
Useful to sniffing & diagnosing bad networks.
Signed-off-by: Ben Greear <greearb@candelatech.com>
This allows the NIC to pass the Ethernet Frame Checksum
(FCS) up the stack. Useful when sniffing packets.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Good for testing the RX logic for bad CRC handling.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This allows the NIC to receive all frames available, including
those with bad FCS, un-matched vlans, ethernet control frames,
and more.
Tested by sending frames with bad FCS.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This flag requests that network devices pass all
received frames up the stack, even ones with errors
such as invalid FCS (frame check sum). This will
allow sniffers to see bad packets and perhaps
give the user some idea how to fix the problem.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This can aid with testing the RX logic for bad
CRCs.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Convert the sa11x0 framebuffer driver to obtain the base address of its
hardware registers from the platform resources, and ioremap this rather
than relying on the static mappings.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
From: Ben Hutchings <ben@decadent.org.uk>
Extended VBLKs (those larger than the preset VBLK size) are divided
into fragments, each with its own VBLK header. Our LDM implementation
generally assumes that each VBLK is contiguous in memory, so these
fragments must be assembled before further processing.
Currently the reassembly seems to be done quite wrongly - no VBLK
header is copied into the contiguous buffer, and the length of the
header is subtracted twice from each fragment. Also the total
length of the reassembled VBLK is calculated incorrectly.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Anton Altaparmakov <anton@tuxera.com>
This is useful for testing RX handling of frames with bad
CRCs.
Requires driver support to actually put the packet on the
wire properly.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This enables enabling/disabling reception of the Ethernet
FCS. This can be useful when sniffing packets.
For e1000e, enabling RXFCS can change the default
behaviour for how the NIC handles CRC. Disabling RXFCS
will take the NIC back to defaults, which can be configured
as part of the module options.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
When set on hardware that supports the feature,
this causes the Ethernet FCS to be appended
to the end of the skb.
Useful for sniffing packets.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch adds Device Tree file for the CoreTile Express A15x2
(V2P-CA15) with Test Chip 1.
As the chip's GIC has 160 interrupt inputs and equivalent SMM
(FPGA) has GIC synthesised with 256 interrupts, NR_IRQS is
increased.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
