| Commit message (Collapse) | Author | Age | Files | Lines |
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Commit ee6f779b9e0851e2f7da292a9f58e0095edf615a ("filp->f_pos not
correctly updated in proc_task_readdir") changed the proc code to use
filp->f_pos directly, rather than through a temporary variable. In the
process, that caused the operations to be done on the full 64 bits, even
though the offset is never that big.
That's all fine and dandy per se, but for some unfathomable reason gcc
generates absolutely horrid code when using 64-bit values in switch()
statements. To the point of actually calling out to gcc helper
functions like __cmpdi2 rather than just doing the trivial comparisons
directly the way gcc does for normal compares. At which point we get
link failures, because we really don't want to support that kind of
crazy code.
Fix this by just casting the f_pos value to "unsigned long", which
is plenty big enough for /proc, and avoids the gcc code generation issue.
Reported-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Zhang Le <r0bertz@gentoo.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Don't boost at the addresses which are listed on exception tables,
because major page fault will occur on those addresses. In that case,
kprobes can not ensure that when instruction buffer can be freed since
some processes will sleep on the buffer.
kprobes-ia64 already has same check.
Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm:
dm crypt: wait for endio to complete before destruction
dm crypt: fix kcryptd_async_done parameter
dm io: respect BIO_MAX_PAGES limit
dm table: rework reference counting fix
dm ioctl: validate name length when renaming
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The following oops has been reported when dm-crypt runs over a loop device.
...
[ 70.381058] Process loop0 (pid: 4268, ti=cf3b2000 task=cf1cc1f0 task.ti=cf3b2000)
...
[ 70.381058] Call Trace:
[ 70.381058] [<d0d76601>] ? crypt_dec_pending+0x5e/0x62 [dm_crypt]
[ 70.381058] [<d0d767b8>] ? crypt_endio+0xa2/0xaa [dm_crypt]
[ 70.381058] [<d0d76716>] ? crypt_endio+0x0/0xaa [dm_crypt]
[ 70.381058] [<c01a2f24>] ? bio_endio+0x2b/0x2e
[ 70.381058] [<d0806530>] ? dec_pending+0x224/0x23b [dm_mod]
[ 70.381058] [<d08066e4>] ? clone_endio+0x79/0xa4 [dm_mod]
[ 70.381058] [<d080666b>] ? clone_endio+0x0/0xa4 [dm_mod]
[ 70.381058] [<c01a2f24>] ? bio_endio+0x2b/0x2e
[ 70.381058] [<c02bad86>] ? loop_thread+0x380/0x3b7
[ 70.381058] [<c02ba8a1>] ? do_lo_send_aops+0x0/0x165
[ 70.381058] [<c013754f>] ? autoremove_wake_function+0x0/0x33
[ 70.381058] [<c02baa06>] ? loop_thread+0x0/0x3b7
When a table is being replaced, it waits for I/O to complete
before destroying the mempool, but the endio function doesn't
call mempool_free() until after completing the bio.
Fix it by swapping the order of those two operations.
The same problem occurs in dm.c with md referenced after dec_pending.
Again, we swap the order.
Cc: stable@kernel.org
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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In the async encryption-complete function (kcryptd_async_done), the
crypto_async_request passed in may be different from the one passed to
crypto_ablkcipher_encrypt/decrypt. Only crypto_async_request->data is
guaranteed to be same as the one passed in. The current
kcryptd_async_done uses the passed-in crypto_async_request directly
which may cause the AES-NI-based AES algorithm implementation to panic.
This patch fixes this bug by only using crypto_async_request->data,
which points to dm_crypt_request, the crypto_async_request passed in.
The original data (convert_context) is gotten from dm_crypt_request.
[mbroz@redhat.com: reworked]
Cc: stable@kernel.org
Signed-off-by: Huang Ying <ying.huang@intel.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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dm-io calls bio_get_nr_vecs to get the maximum number of pages to use
for a given device. It allocates one additional bio_vec to use
internally but failed to respect BIO_MAX_PAGES, so fix this.
This was the likely cause of:
https://bugzilla.redhat.com/show_bug.cgi?id=173153
Cc: stable@kernel.org
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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Fix an error introduced in dm-table-rework-reference-counting.patch.
When there is failure after table initialization, we need to use
dm_table_destroy, not dm_table_put, to free the table.
dm_table_put may be used only after dm_table_get.
Cc: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reviewed-by: Jonathan Brassow <jbrassow@redhat.com>
Reviewed-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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When renaming a mapped device validate the length of the new name.
The rename ioctl accepted any correctly-terminated string enclosed
within the data passed from userspace. The other ioctls enforce a
size limit of DM_NAME_LEN. If the name is changed and becomes longer
than that, the device can no longer be addressed by name.
Fix it by properly checking for device name length (including
terminating zero).
Cc: stable@kernel.org
Signed-off-by: Milan Broz <mbroz@redhat.com>
Reviewed-by: Jonathan Brassow <jbrassow@redhat.com>
Reviewed-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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In order for ntpd to correctly synchronize the clocks, the frequency of
the system clock must not be off by more than 500 ppm (or, put another
way, 1:2000), or ntpd will end up giving up on trying to synchronize
properly, and ends up reseting the clock in jumps instead.
The fast TSC PIT calibration sometimes failed this test - it was
assuming that the PIT reads always took about one microsecond each (2us
for the two reads to get a 16-bit timer), and that calibrating TSC to
the PIT over 15ms should thus be sufficient to get much closer than
500ppm (max 2us error on both sides giving 4us over 15ms: a 270 ppm
error value).
However, that assumption does not always hold: apparently some hardware
is either very much slower at reading the PIT registers, or there was
other noise causing at least one machine to get 700+ ppm errors.
So instead of using a fixed 15ms timing loop, this changes the fast PIT
calibration to read the TSC delta over the individual PIT timer reads,
and use the result to calculate the error bars on the PIT read timing
properly. We then successfully calibrate the TSC only if the maximum
error bars fall below 500ppm.
In the process, we also relax the timing to allow up to 25ms for the
calibration, although it can happen much faster depending on hardware.
Reported-and-tested-by: Jesper Krogh <jesper@krogh.cc>
Cc: john stultz <johnstul@us.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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During bootup, when we reprogram the PIT (programmable interval timer)
to start counting down from 0xffff in order to use it for the fast TSC
calibration, we should also make sure to delay a bit afterwards to allow
the PIT hardware to actually start counting with the new value.
That will happens at the next CLK pulse (1.193182 MHz), so the easiest
way to do that is to just wait at least one microsecond after
programming the new PIT counter value. We do that by just reading the
counter value back once - which will take about 2us on PC hardware.
Reported-and-tested-by: john stultz <johnstul@us.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
acpi-wmi: unsigned cannot be less than 0
thinkpad-acpi: fix module autoloading for older models
acer-wmi: Unmark as 'experimental'
acpi-wmi: Unmark as 'experimental'
acer-wmi: double free in acer_rfkill_exit()
platform/x86: depends instead of select for laptop platform drivers
asus-laptop: use select instead of depends on
eeepc-laptop: restore acpi_generate_proc_event()
asus-laptop: restore acpi_generate_proc_event()
acpi: check for pxm_to_node_map overflow
ACPI: remove doubled status checking
ACPI suspend: Blacklist Toshiba Satellite L300 that requires to set SCI_EN directly on resume
Revert "ACPI: make some IO ports off-limits to AML"
suspend: switch the Asus Pundit P1-AH2 to old ACPI sleep ordering
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include/linux/pci-acpi.h:74:
typedef u32 acpi_status;
result is unsigned, so an error returned by acpi_bus_register_driver()
will not be noticed.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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Looking at the source, there seems to be a missing * to match my DMI
string. I mean for newer IBM and Lenovo's laptops you match either one
of the following:
MODULE_ALIAS("dmi:bvnIBM:*:svnIBM:*:pvrThinkPad*:rvnIBM:*");
MODULE_ALIAS("dmi:bvnLENOVO:*:svnLENOVO:*:pvrThinkPad*:rvnLENOVO:*");
While for older Thinkpads, you do this (for instance):
IBM_BIOS_MODULE_ALIAS("1[0,3,6,8,A-G,I,K,M-P,S,T]");
with IBM_BIOS_MODULE_ALIAS being MODULE_ALIAS("dmi:bvnIBM:bvr" __type "ET??WW")
Note there's no * terminating the string. As result, udev doesn't load
anything because modprobe cannot find anything matching this (my
machine actually):
udevtest: run: '/sbin/modprobe dmi:bvnIBM:bvr1IET71WW(2.10):bd06/16/2006:svnIBM:pn236621U:pvrNotAv
Signed-off-by: Mathieu Chouquet-Stringer <mchouque@free.fr>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
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This driver has been around and used long enough that we can drop the
'experimental'.
Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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ACPI-WMI isn't experimental anymore, and there are other drivers that now
depend on it that aren't either.
Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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This is acer_rfkill_exit() from drivers/platform/x86/acer-wmi.c.
The code frees wireless_rfkill->data again instead of
bluetooth_rfkill->data.
This was found using a code checker (http://repo.or.cz/w/smatch.git/).
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
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"I hate `select' and will gleefully leap on any s/select/depends/ patch,
whether it works or not :)"
Andrew Morton
select INPUT is not needed here, because if someone doesn't want INPUT,
he won't want these drivers either.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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Like thinkpad_acpi or eeepc-laptop, asus-laptop will
now use "select" instead of "depends on"
for LEDS_CLASS, NEW_LEDS and BACKLIGHT_CLASS_DEVICE
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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Restore acpi_generate_proc_event() for backward
compatibility with old acpi scripts.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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Restore acpi_generate_proc_event() for backward
compatibility with old acpi scripts.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
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It is hardly (if ever) possible but in case of broken _PXM entry we could
reach out of pxm_to_node_map array bounds in acpi_map_pxm_to_node() call.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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There was a misplaced status test (two consequent tests without a
statement in between) in acpi_bus_init for ages. Remove it, since the
function which should be checked (acpi_os_initialize1) has BUG_ONs on
failure paths.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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directly on resume
This is a supplement of commit 65df78473ffbf3bff5e2034df1638acc4f3ddd50.
http://bugzilla.kernel.org/show_bug.cgi?id=12798
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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This reverts commit 5ec5d38a1c8af255ffc481c81eef13e9155524b3.
because it caused spurious dmesg warmings.
We'll implement the check for off-limit ports
in a more clever way in the future.
http://bugzilla.kernel.org/show_bug.cgi?id=12758
Signed-off-by: Len Brown <len.brown@intel.com>
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Switch the Asus Pundit P1-AH2 (M2N8L motherboard) to the old ACPI 1.0
sleep ordering by default. Without this it will not suspend/resume
correctly.
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Tested-by: Dustin Kirkland <kirkland@canonical.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (21 commits)
r8169: revert "r8169: read MAC address from EEPROM on init (2nd attempt)"
r8169: use hardware auto-padding.
igb: remove ASPM L0s workaround
netxen: remove old flash check.
mv643xx_eth: fix unicast address filter corruption on mtu change
xfrm: Fix xfrm_state_find() wrt. wildcard source address.
emac: Fix clock control for 405EX and 405EXr chips
ixgbe: fix multiple unicast address support
via-velocity: Fix DMA mapping length errors on transmit.
qlge: bugfix: Pad outbound frames smaller than 60 bytes.
qlge: bugfix: Move netif_napi_del() to common call point.
qlge: bugfix: Tell hw to strip vlan header.
qlge: bugfix: Increase filter on inbound csum.
dnet: replace obsolete *netif_rx_* functions with *napi_*
net: Add be2net driver.
dnet: Fix warnings on 64-bit.
dnet: Dave DNET ethernet controller driver (updated)
ipv6: Fix BUG when disabled ipv6 module is unloaded
bnx2x: Using DMAE to initialize the chip
bnx2x: Casting page alignment
...
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It fails on the following systems:
- RTL8169sc/8110sc (XID 18000000)
reported by Tim Durack <tdurack@gmail.com> (x86)
- RTL8169sb/8110sb (XID 10000000)
reported by Mikael Pettersson <mikpe@it.uu.se> (ARM)
The patch appeared to work on x86 for the following systems:
RTL8169sb/8110sb 10000000 PCI (EXT)
RTL8110s 04000000 PCI (EXT)
RTL8102e 24a00000 PCI-E (LOM)
RTL8168c/8111c 3c2000c0 PCI-E (LOM)
RTL8168b/8111b 38000000 PCI-E (LOM)
RTL8168b/8111b 38000000 PCI-E (EXT)
The patch exposes two problems:
1) while not completely wrong, mac addresses are not read correctly
from the EEPROM
2) the MAC address registers are not correctly set
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Tested-by: Mikael Pettersson <mikpe@it.uu.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It shortens the code and fixes the current pci_unmap leak with
padded skb reported by Dave Jones.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The L0s workaround should be moved into a pci quirk and so it is not
necessary in the driver. This update removes the L0s workaround from the
igb driver.
This was the second half of the PCI quirk patch that Matthew Wilcox did
not pick up when he picked up the quirk patch.
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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Remove flash size check which made sense only for ancient
boards with 1MB flash. The check is based on values read
from specific locations and fails with firmware size changes.
This prevents driver from getting right mac addresses.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When mv643xx_eth_open() is called to up an interface, port_start()
will first re-program the unicast address filter, and then
re-initialise the PORT_CONFIG register, but that will disable unicast
promiscuous mode if it was enabled by the unicast address filter setup.
This isn't a problem on ifconfig up, as ->set_rx_mode() will be called
shortly afterwards which will program the filters again, but it does
trigger when changing the MTU, which calls mv643xx_eth_stop() and then
mv643xx_eth_open() by hand to repopulate the receive rings with skbuffs
of the new size.
Swap the initialisation of the PORT_START register and the call to
the unicast filter setup function to fix this.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The change to make xfrm_state objects hash on source address
broke the case where such source addresses are wildcarded.
Fix this by doing a two phase lookup, first with fully specified
source address, next using saddr wildcarded.
Reported-by: Nicolas Dichtel <nicolas.dichtel@dev.6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The EMAC variant in the 405EX and 405EXr chips needs the "440EP" type clock
control workaround to avoid lockups of the Rx side during reset.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Tested-by: Felix Radensky <felix@embedded-sol.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Multiple unicast address support appears to have been broken with the
change to support net_device_ops. This a regression from 2.6.28 to 2.6.29.
I'm not 100% on whether ndo_set_multicast_list can be NULL after this
or not. If ndo_set_rx_mode is set everything _should_ be using it.
Signed-off-by: Chris Leech <christopher.leech@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@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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From: Dave Jones <davej@redhat.com>
The dma-debug changes caught that this driver uses the
wrong DMA mapping length when skb_padto() does something.
With suggestions from Eric Dumazet.
Signed-off-by: David S. Miller <davem@davemloft.net>
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With some asic configurations xmit of frames smaller than 60 bytes may
fail.
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Moving netif_napi_del() up the call chain so it will get called from all
exit points.
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Chip does not do UDP checksum when fragmentation occurs.
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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*netif_rx_* functions is obsolete and removed in newer kernels so
we need to use corresponding *napi_* functions instead.
Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Sathya Perla <sathyap@serverengines.com>
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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Driver for Dave DNET ethernet controller found on Dave/DENX QongEVB-LITE
FPGA. Heavily based on Dave sources, I've just adopted it to current
kernel version and done some code cleanup.
Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Do not try to "uninitialize" ipv6 if its initialization had been skipped
because module parameter disable=1 had been specified.
Reported-by: Thomas Backlund <tmb@mandriva.org>
Signed-off-by: John Dykstra <john.dykstra1@gmail.com>
Acked-by: Brian Haley <brian.haley@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There was a bug, which occasionally caused failure in PRAM initialization after
the cold boot.
Also incremented version number to 1.45.27.
Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Adding a proper cast to the argument of PAGE_ALIGN macro so that the output
won't depend on its original type. Without this cast aligned value will be
truncated to the size of the argument type.
Reported-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com>
Tested-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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sge_buff_size may not be more than 0xffff.
Reported-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com>
Tested-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Impact: help prevent extinction of species
The Tasmanian Devil is a shy iconic Australian creature named for its
spine-chilling screech. It is threatened with extinction due to a
scientifically interesting but horrific transmissible facial cancer.
This one is standing in for Tux for one release using the far less-known
Devil Facial Tux Disguise.
Save The Tasmanian Devil http://tassiedevil.com.au
Signed-off-by: Linux.conf.au Hobart Team <contact@marchsouth.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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