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The registers for RDLEN/TDLEN on i350 have the first 7 bits as read only.
This is a change from previous hardware in which it was only the first 4
bits that were read only.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This replace the PCI DMA state API (include/linux/pci-dma.h) with the
DMA equivalents since the PCI DMA state API will be obsolete.
No functional change.
For further information about the background:
http://marc.info/?l=linux-netdev&m=127037540020276&w=2
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Andrew Gallatin <gallatin@myri.com>
Cc: Brice Goglin <brice@myri.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This replace the PCI DMA state API (include/linux/pci-dma.h) with the
DMA equivalents since the PCI DMA state API will be obsolete.
No functional change.
For further information about the background:
http://marc.info/?l=linux-netdev&m=127037540020276&w=2
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This replace the PCI DMA state API (include/linux/pci-dma.h) with the
DMA equivalents since the PCI DMA state API will be obsolete.
No functional change.
For further information about the background:
http://marc.info/?l=linux-netdev&m=127037540020276&w=2
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This replace the PCI DMA state API (include/linux/pci-dma.h) with the
DMA equivalents since the PCI DMA state API will be obsolete.
No functional change.
For further information about the background:
http://marc.info/?l=linux-netdev&m=127037540020276&w=2
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This replace the PCI DMA state API (include/linux/pci-dma.h) with the
DMA equivalents since the PCI DMA state API will be obsolete.
No functional change.
For further information about the background:
http://marc.info/?l=linux-netdev&m=127037540020276&w=2
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This replace the PCI DMA state API (include/linux/pci-dma.h) with the
DMA equivalents since the PCI DMA state API will be obsolete.
No functional change.
For further information about the background:
http://marc.info/?l=linux-netdev&m=127037540020276&w=2
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Matt Carlson <mcarlson@broadcom.com>
Cc: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The notifier for address down should only be called if address is completely
gone, not just being marked as tentative on link transistion. The code
in net-next would case bonding/sctp/s390 to see address disappear on link
down, but they would never see it reappear on link up.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since an address in hash list has to already have a ref count,
no additional ref count is needed.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When link goes down, want address to be preserved but in a tentative
state, therefore it has to stay in hash list.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Recent changes preserve IPv6 address when link goes down (good).
But would cause address to point to dead dst entry (bad).
The simplest fix is to just not delete route if address is
being held for later use.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch updates the tg3 version to 3.110.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch removes the following checkpatch errors:
* return is not a function, parentheses are not required
* space prohibited between function name and open parenthesis '('
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The maximum packet size that gets programmed into the standard producer
ring control block is directly related to the packet size used to
allocate packet buffers. This patch removes the redundant preprocessor
constant.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The tg3 driver is written so that VLAN tagged packets can be accepted,
even if CONFIG_VLAN_8021Q or CONFIG_VLAN_8021Q_MODULE is not defined.
(Think raw interfaces.) If the device has ASF support enabled, the
firmware requires the driver to enable VLAN tag stripping. If VLAN
tagging is not explicitly supported by the kernel and ASF is enabled,
the driver will have to reinject the VLAN tag back into the packet
stream.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On a PCIX bus, the 5701 has a bug which requires the driver to double
copy all rx packets. The rx code uses the rx_offset device member as a
flag to determine if this workaround should take effect. The following
patch will modify the rx_offset member such that this test will become
less clear.
The patch starts by integrating the workaround check into the packet
length check. It rounds out the implementation by relaxing the
workaround restrictions if the platform has efficient unaligned
accesses.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch reduces the core clock to 6.25MHz when operating at 10Mbps
link speed. This is needed to prevent a bug that will ultimately cause
transmits to cease.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch sets the Maximum Read Request Size for the card reader
function to 1024 bytes to prevent an SD controller lockup.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch disables CLKREQ in L2 to workaround a chipset bug.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Suggested by Peter Zijlstra
Signed-off-by: David S. Miller <davem@davemloft.net>
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With latest CONFIG_PROVE_RCU stuff, I felt more comfortable to make this
work.
sk->sk_dst_cache is currently protected by a rwlock (sk_dst_lock)
This rwlock is readlocked for a very small amount of time, and dst
entries are already freed after RCU grace period. This calls for RCU
again :)
This patch converts sk_dst_lock to a spinlock, and use RCU for readers.
__sk_dst_get() is supposed to be called with rcu_read_lock() or if
socket locked by user, so use appropriate rcu_dereference_check()
condition (rcu_read_lock_held() || sock_owned_by_user(sk))
This patch avoids two atomic ops per tx packet on UDP connected sockets,
for example, and permits sk_dst_lock to be much less dirtied.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Dont use netdev_warn() in dev_cap_txqueue() and get_rps_cpu() so that we
can catch following warnings without crash.
bond0.2240 received packet on queue 6, but number of RX queues is 1
bond0.2240 received packet on queue 11, but number of RX queues is 1
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If a packet has the skb_shared_tx->hardware flag set the device is
instructed to generate a TX timestamp and write it back to memory after
the frame is transmitted. During the clean_tx_ring operation the
timestamp will be extracted and copied into the skb_shared_hwtstamps
struct of the skb.
TX timestamping is enabled by setting the tx_type to something else
than HWTSTAMP_TX_OFF with the SIOCSHWTSTAMP ioctl command. It is only
supported by eTSEC devices.
Signed-off-by: Manfred Rudigier <manfred.rudigier@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The device is configured to insert hardware timestamps into all
received packets. The RX timestamps are extracted from the padding
alingment bytes during the clean_rx_ring operation and copied into the
skb_shared_hwtstamps struct of the skb. This extraction only happens if
the rx_filter was set to something else than HWTSTAMP_FILTER_NONE with
the SIOCSHWTSTAMP ioctl command.
Hardware timestamping is only supported for eTSEC devices. To indicate
device support the new FSL_GIANFAR_DEV_HAS_TIMER flag was introduced.
Signed-off-by: Manfred Rudigier <manfred.rudigier@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for using the LL TEMAC Ethernet driver on
non-Virtex 5 platforms by adding support for accessing the Soft DMA
registers as if they were memory mapped instead of solely through the
DCR's (available on the Virtex 5).
The patch also updates the driver so that it runs on the MicroBlaze.
The changes were tested on the PowerPC 440, PowerPC 405, and the
MicroBlaze platforms.
Signed-off-by: John Tyner <jtyner@cs.ucr.edu>
Signed-off-by: John Linn <john.linn@xilinx.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The virt_to_bus call should not be used any longer as it's
considered illegal. The driver has the physical address of
the buffer in the descriptor such that it's not necessary
anyway.
Signed-off-by: John Linn <john.linn@xilinx.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Enable the SO_TIMESTAMPING socket infrastructure for raw packet sockets.
We introduce PACKET_TX_TIMESTAMP for the control message cmsg_type.
Similar support for UDP and CAN sockets was added in commit
51f31cabe3ce5345b51e4a4f82138b38c4d5dc91
Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for SJA1000 based PCI CAN interface cards
from electronic system design gmbh.
Some changes have been done on the common code:
- esd boards must not have the 2nd local interupt enabled (PLX9030/9050)
- a new path for PLX9056/PEX8311 chips has been added
- new plx9056 reset function has been implemented
- struct plx_card_info got a reset function entry
In detail the following additional boards are now supported:
CAN-PCI/200 (PCI)
CAN-PCI/266 (PCI)
CAN-PMC266 (PMC module)
CAN-PCIe/2000 (PCI Express)
CAN-CPCI/200 (Compact PCI, 3U)
CAN-PCI104 (PCI104)
Signed-off-by: Matthias Fuchs <matthias.fuchs@esd.eu>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The commit 29a4f2d3 used writel() at offset 0x26 which is
half-word aligned causing unaligned exceptions on a
Cortex-A8. The original patch solved the "aaci-pl041 fpga:04:
ac97 read back fail" issue on a soft reset. Reading from any
arbitrary aaci register seems to solve this issue.
Signed-off-by: Philby John <pjohn@mvista.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Conflicts:
lib/Kconfig.debug
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Found by kmemleak.
If request_resource() fails, we leak the struct resource we
allocated to represent the IOMMU mapping area.
This actually happens on sun4v machines because the IOMEM area is only
reported sans the IOMMU region, unlike all previous systems. I'll
need to fix that at some point, but for now fix the leak.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The only reference we store to this memory is in the form of a
physical address, so kmemleak can't see it.
Add a kmemleak_not_leak() annotation.
It's probably useful to be able to look at a dump of these things
either via debugfs or similar, and thus we could at some point store
them in some kind of table and therefore get rid of this annotation.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Only missing thing was an _sdata marker in vmlinux.lds.S
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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It's the only way we'll be able to implement the function
graph tracer properly.
A positive is that we no longer have to worry about the
linker over-optimizing the tail call, since we don't
use a tail call any more.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This keeps us from having to use kstat_irqs_cpu() from the NMI handler,
the former of which is a profiled function.
Instead we use a currently empty slot in the cpu_data
Signed-off-by: David S. Miller <davem@davemloft.net>
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These include the timer implementation, perf events support, and the
performance counter register (pcr) programming layer.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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The generic stack tracer does this job just as well.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Check function_trace_stop at ftrace_caller
Toss mcount_call and dummy call of ftrace_stub, unnecessary.
Document problems we'll have if the final kernel image link
ever turns on relaxation.
Properly size 'ftrace_call' so it looks right when inspecting
instructions under gdb et al.
Signed-off-by: David S. Miller <davem@davemloft.net>
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If we are in an NMI then doing a plain raw_local_irq_disable() will
write PIL_NORMAL_MAX into %pil, which is lower than PIL_NMI, and thus
we'll re-enable NMIs and recurse.
Doing a simple:
%pil = %pil | PIL_NORMAL_MAX
does what we want, if we're already at PIL_NMI (15) we leave it at
that setting, else we set it to PIL_NORMAL_MAX (14).
This should get the function tracer working on sparc64.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This gets rid of a local function (is_kernel_stack()) which tries to
do the same thing, yet poorly in that it doesn't handle IRQ stacks
properly.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add missing sg_init_table for sg_set_buf in virtio_net which
induced in defer skb patch.
Reported-by: Thomas Müller <thomas@mathtm.de>
Tested-by: Thomas Müller <thomas@mathtm.de>
Signed-off-by: Shirley Ma <xma@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* anonvma:
anonvma: when setting up page->mapping, we need to pick the _oldest_ anonvma
anon_vma: clone the anon_vma chain in the right order
vma_adjust: fix the copying of anon_vma chains
Simplify and comment on anon_vma re-use for anon_vma_prepare()
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* master.kernel.org:/home/rmk/linux-2.6-arm: (21 commits)
ARM: Fix ioremap_cached()/ioremap_wc() for SMP platforms
ARM: 6043/1: AT91 slow-clock resume: Don't wait for a disabled PLL to lock
ARM: 6031/1: fix Thumb-2 decompressor
ARM: 6029/1: ep93xx: gpio.c: local functions should be static
ARM: 6028/1: ARM: add MAINTAINERS for U300
ARM: 6024/1: bcmring: fix missing down on semaphore in dma.c
MXC: mach_armadillo5x0: Add USB Host support.
ARM mach-mx3: duplicated include
ARM mach-mx3: duplicated include
imx31: add watchdog device on litekit board.
imx3: Add watchdog platform device support
MXC: mach-mx31_3ds: add support for freescale mc13783 power management device.
MXC: mach-mx31_3ds: Add SPI1 device support.
MXC: mach-mx31_3ds: Add support for on board NAND Flash.
MXC: mach-mx31_3ds: Update variable names over recent mach name modification.
imx31: fix parent clock for rtc
i.MX51: remove NFC AXI static mapping
i.MX51: determine silicon revision dynamically
i.MX51: map TZIC dynamically
i.MX51: Use correct clock for gpt
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable:
Btrfs: make sure the chunk allocator doesn't create zero length chunks
Btrfs: fix data enospc check overflow
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6:
quota: Fix possible dq_flags corruption
quota: Hide warnings about writes to the filesystem before quota was turned on
ext3: symlink must be handled via filesystem specific operation
ext2: symlink must be handled via filesystem specific operation
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6:
udf: add speciffic ->setattr callback
udf: potential integer overflow
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