* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
igb: fix link reporting when using sgmii
igb: prevent skb_over panic w/ mtu smaller than 1K
igb: Fix DCA errors and do not use context index for 82576
ipv6: compile fix for ip6mr.c
packet: Avoid lock_sock in mmap handler
sfc: Replace stats_enabled flag with a disable count
sfc: SFX7101/SFT9001: Fix AN advertisements
sfc: SFT9001: Always enable XNP exchange on SFT9001 rev B
sfc: Update board info for hardware monitor on SFN4111T-R5 and later
sfc: Test for PHYXS faults whenever we cannot test link state bits
sfc: Reinitialise the PHY completely in case of a PHY or NIC reset
sfc: Fix post-reset MAC selection
sfc: SFN4111T: Fix GPIO sharing between I2C and FLASH_CFG_1
sfc: SFT9001: Fix speed reporting in 1G PHY loopback
sfc: SFX7101: Remove workaround for bad link training
sfc: SFT9001: Enable robust link training
sky2: fix hard hang with netconsoling and iface going up
The mmap_region() code would temporarily set the VM_ACCOUNT flag for
anonymous shared mappings just to inform shmem_zero_setup() that it
should enable accounting for the resulting shm object. It would then
clear the flag after calling ->mmap (for the /dev/zero case) or doing
shmem_zero_setup() (for the MAP_ANON case).
This just resulted in vma merge issues, but also made for just
unnecessary confusion. Use the already-existing VM_NORESERVE flag for
this instead, and let shmem_{zero|file}_setup() just figure it out from
that.
This also happens to make it obvious that the new DRI2 GEM layer uses a
non-reserving backing store for its object allocation - which is quite
possibly not intentional. But since I didn't want to change semantics
in this patch, I left it alone, and just updated the caller to use the
new flag semantics.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When using sgmii the link was not being properly passed up to the driver
from the underlying link management functions. This change corrects it so
that get_link_status is cleared when a link has been found.
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>
A panic has been observed with frame sizes smaller than 1K. This has been
root caused to the hardware spanning larger frames across multiple buffers
and then reporting the original frame size in the first descriptor. To
prevent this we can enable set the LPE bit which in turn will restrict
packet sizes to those set in the RLPML register.
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>
82576 was being incorrectly flagged as needing a context index. It does not as
each ring has it's own table of 2 contexts.
Driver was registering after registering the driver instead of the other way around.
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>
net/ipv6/ip6mr.c: In function 'pim6_rcv':
net/ipv6/ip6mr.c:368: error: implicit declaration of function 'csum_ipv6_magic'
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As the mmap handler gets called under mmap_sem, and we may grab
mmap_sem elsewhere under the socket lock to access user data, we
should avoid grabbing the socket lock in the mmap handler.
Since the only thing we care about in the mmap handler is for
pg_vec* to be invariant, i.e., to exclude packet_set_ring, we
can achieve this by simply using a new mutex.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Tested-by: Martin MOKREJŠ <mmokrejs@ribosome.natur.cuni.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently we use a spin-lock to serialise statistics fetches and also
to inhibit them for short periods of time, plus a flag to
enable/disable statistics fetches for longer periods of time, during
online reset. This was apparently insufficient to deal with the several
reasons for stats being disabled.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
All 10Xpress PHYs require autonegotiation all the time; enforce this
in the set_settings() method and do not treat it as a workaround.
Remove claimed support for 100M HD mode since it is not supported by
current firmware.
Do not set speed override bits when AN is enabled, and do not use
register 1.49192 for AN configuration as it can override what we set
elsewhere.
Always set the AN selector bits to 1 (802.3).
Fix confusion between Next Page and Extended Next Page.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Depending on the loopback mode, there may be no pertinent link state
bits. In this case we test the PHYXS RX fault bit instead. Make
sure to do this in all cases where there are no link state bits.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In particular, set pause advertising bits properly.
A PHY reset is not necessary to recover from the register self-test,
so use a "invisible" reset there instead.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Modify falcon_switch_mac() to always set NIC_STAT_REG, even if the the
MAC is the same as it was before. This ensures that the value is
correct after an online reset.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Change sfn4111t_reset() to change only GPIO output enables so that it
doesn't break subsequent I2C operations.
Update comments to explain exactly what we're doing.
Add a short sleep to make sure the FLASH_CFG_1 value is latched before
any subsequent I2C operations.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Instead of disabling AN in loopback, just prevent restarting AN and
override the speed in sft9001_get_settings().
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Early versions of the SFX7101 firmware could complete link training in
a state where it would not adequately cancel noise (Solarflare bug
10750). We previously worked around this by resetting the PHY after
seeing many Ethernet CRC errors. This workaround is unsafe since it
takes no account of the interval between errors; it also appears to
be unnecessary with production firmware. Therefore remove it.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Enable a firmware option that appears to be necessary for reliable
operation.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Printing anything over netconsole before hw is up and running is,
of course, not going to work.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit de33c8db59 ("Fix OOPS in
mmap_region() when merging adjacent VM_LOCKED file segments") unified
the vma merging of anonymous and file maps to just one place, which
simplified the code and fixed a use-after-free bug that could cause an
oops.
But by doing the merge opportunistically before even having called
->mmap() on the file method, it now compares two different 'vm_flags'
values: the pre-mmap() value of the new not-yet-formed vma, and previous
mappings of the same file around it.
And in doing so, it refused to merge the common file case, which adds a
marker to say "I can be made non-linear".
This fixes it by just adding a set of flags that don't have to match,
because we know they are ok to merge. Currently it's only that single
VM_CAN_NONLINEAR flag, but at least conceptually there could be others
in the future.
Reported-and-acked-by: Hugh Dickins <hugh@veritas.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg KH <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: Remove bogus BUG() check in ext4_bmap()
ext4: Fix building with EXT4FS_DEBUG
ext4: Initialize the new group descriptor when resizing the filesystem
ext4: Fix ext4_free_blocks() w/o a journal when files have indirect blocks
jbd2: On a __journal_expect() assertion failure printk "JBD2", not "EXT3-fs"
ext3: Add sanity check to make_indexed_dir
ext4: Add sanity check to make_indexed_dir
ext4: only use i_size_high for regular files
ext4: fix wrong use of do_div
* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
cfq-iosched: Allow RT requests to pre-empt ongoing BE timeslice
block: add sysfs file for controlling io stats accounting
Mark mandatory elevator functions in the biodoc.txt
include/linux: Add bsg.h to the Kernel exported headers
block: silently error an unsupported barrier bio
block: Fix documentation for blkdev_issue_flush()
block: add bio_rw_flagged() for testing bio->bi_rw
block: seperate bio/request unplug and sync bits
block: export SSD/non-rotational queue flag through sysfs
Fix small typo in bio.h's documentation
block: get rid of the manual directory counting in blktrace
block: Allow empty integrity profile
block: Remove obsolete BUG_ON
block: Don't verify integrity metadata on read error
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (29 commits)
tulip: fix 21142 with 10Mbps without negotiation
drivers/net/skfp: if !capable(CAP_NET_ADMIN): inverted logic
gianfar: Fix Wake-on-LAN support
smsc911x: timeout reaches -1
smsc9420: fix interrupt signalling test failures
ucc_geth: Change uec phy id to the same format as gianfar's
wimax: fix build issue when debugfs is disabled
netxen: fix memory leak in drivers/net/netxen_nic_init.c
tun: Add some missing TUN compat ioctl translations.
ipv4: fix infinite retry loop in IP-Config
net: update documentation ip aliases
net: Fix OOPS in skb_seq_read().
net: Fix frag_list handling in skb_seq_read
netxen: revert jumbo ringsize
ath5k: fix locking in ath5k_config
cfg80211: print correct intersected regulatory domain
cfg80211: Fix sanity check on 5 GHz when processing country IE
iwlwifi: fix kernel oops when ucode DMA memory allocation failure
rtl8187: Fix error in setting OFDM power settings for RTL8187L
mac80211: remove Michael Wu as maintainer
...
This patch adds the ability to pre-empt an ongoing BE timeslice when a RT
request is waiting for the current timeslice to complete. This reduces the
wait time to disk for RT requests from an upper bound of 4 (current value
of cfq_quantum) to 1 disk request.
Applied Jens' suggeested changes to avoid the rb lookup and use !cfq_class_rt()
and retested.
Latency(secs) for the RT task when doing sequential reads from 10G file.
| only RT | RT + BE | RT + BE + this patch
small (512 byte) reads | 143 | 163 | 145
large (1Mb) reads | 142 | 158 | 146
Signed-off-by: Divyesh Shah <dpshah@google.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Linus Torvalds
Alexander Duyck
Dave Jones
Herbert Xu
Ben Hutchings
Steve Hodgson
Alexey Dobriyan
Paul Larson
Divyesh Shah