| Commit message (Collapse) | Author | Age | Files | Lines |
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Use the round_jiffies() function in e1000.
These timers all were of the "about once a second" or "about once every X
seconds" variety and several showed up in the "what wakes the cpu up" profiles
that the tickless patches provide. Some timers are highly dynamic based on
network load; but even on low activity systems they still show up so the
rounding is done only in cases of low activity, allowing higher frequency
timers in the high activity case.
The various hardware watchdogs are an obvious case; they run every 2 seconds
but aren't otherwise specific of exactly when they need to run.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Acked-by: Auke Kok <auke-jan.h.kok@intel.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Current tc35815 driver is very obsolete and less maintained for a long
time. Replace it with a new driver based on one from CELF patch
archive.
Major advantages of CELF version (version 1.23, for kernel 2.6.10) are:
* Independent of JMR3927.
(Actually independent of MIPS, but AFAIK the chip is used only on
MIPS platforms)
* TX4938 support.
* 64-bit proof.
* Asynchronous and on-demand auto negotiation.
* High performance on non-coherent architecture.
* ethtool support.
* Many bugfixes and cleanups.
And improvoments since version 1.23 are:
* TX4939 support.
* NETPOLL support.
* NAPI support. (disabled by default)
* Reduce memcpy on receiving.
* PM support.
* Many cleanups and bugfixes.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This patch makes two needlessly global functions static.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This patch makes the needlessly global vlan_strip_flag static.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Thanks to Jö Fahlke for donating hardware.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Forward porting of Ladis' 2.4 patch.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This patch provides a functionality that allows parallel
RX processing on multiple RX queues by using dummy netdevices.
Signed-off-by: Jan-Bernd Themann <themann@de.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This patch introduces functionality to dynamically add / remove
ehea ports via an userspace DLPAR tool. It creates a subnode for
each logical port in the sysfs.
Signed-off-by: Jan-Bernd Themann <themann@de.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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There are several uses of _ops structure in this driver that
can be converted to const.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Convert some initialized structures to C99 style.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Some code for Chelsio 1G boards was put in the driver
based on the vendor version (minus TOE). Well some of those board
versions are only supported with TOE on the vendor driver, so additional
dead code was added.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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In bcm43xx_ethtool, UTS_RELEASE is used. Replacing this with utsname()->release
avoids rebuilding this module each time the kernel version changes.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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It looks like some of the PC Card manfid/product strings were lost
when Host AP driver was converted to use PCMCIA_DEVICE_* helpers. This
patch adds back D-Link DWL-650 Rev. P1 using the same product ID
string match as the pcmcia-cs/cardmgr configuration used before.
Signed-off-by: Jouni Malinen <jkmaline@cc.hut.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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testing much?
Cc: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The in-kernel documentation of the bcm43xx driver is out of date.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The original macros result in gcc 4.2 warning about "cast from pointer
to integer of different size" on 64-bit systems.
Use of offsetof() on fields in substructures is widespread throughout
the kernel code and should work whether offsetof() is defined using
__compiler_offsetof() or a cast.
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Add the Marvell Libertas 8388 802.11 USB driver.
Signed-off-by: Marcelo Tosatti <marcelo@kvack.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Michael Buesch commented that GFP_NOFS should not be used in a
network driver.
Signed-off-by: Ulrich Kunitz <kune@deine-taler.de>
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Add 'channels' sysfs entry for ipw2200. The entry exports channels
information for the user space.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6:
sis900: Allocate rx replacement buffer before rx operation
usb-net/pegasus: simplify carrier detection
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Just found a hole in my last patch. It was reported to me that shortly after we
integrated this patch. The report was of an oops that took place inside of
netif_rx when using the sis900 driver. Looking at my origional patch I noted
that there was a spot between the new skb_alloc and the refill_rx_ring label
where skb got reassigned to the pointer currently held in the rx_ring for the
purposes of receiveing the frame. The result of this is however that the buffer
that gets passed to netif_rx (if it is called), then gets placed right back into
the rx_ring. So if you receive frames fast enough the skb being processed by
the network stack can get corrupted. The reporter is testing out the fix I've
written for this below (I'm not near my hardware at the moment to test myself),
but I wanted to post it for review ASAP. I'll post test results when I hear
them, but I think this is a pretty straightforward fix. It just uses a separate
pointer to do the rx operation, so that we don't improperly reassign the pointer
that we use to refill the rx ring.
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Simplify pegasus carrier detection; rely only on the periodic MII
polling. Reverts pieces of c43c49bd61fdb9bb085ddafcaadb17d06f95ec43.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
[SCSI] esp_scsi.c: Fix compilation.
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irqreturn.h for irqreturn_t and dma_addr_t being u128 warnings ;-)
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[NET]: Fix networking compilation errors
[AF_RXRPC/AFS]: Arch-specific fixes.
[AFS]: Fix VLocation record update wakeup
[NET]: Revert sk_buff walker cleanups.
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Fix miscellaneous networking compilation errors.
(*) Export ktime_add_ns() for modules.
(*) wext_proc_init() should have an ANSI declaration.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes for various arch compilation problems:
(*) Missing module exports.
(*) Variable name collision when rxkad and af_rxrpc both built in
(rxrpc_debug).
(*) Large constant representation problem (AFS_UUID_TO_UNIX_TIME).
(*) Configuration dependencies.
(*) printk() format warnings.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix the wakeup transitions after a VLocation record update completes
one way or another. This builds on Dave Miller's partial fix.
Also move wakeups outside the spinlocked sections.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts eefa3906283a2b60a6d02a2cda593a7d7d7946c5
The simplification made in that change works with the assumption that
the 'offset' parameter to these functions is always positive or zero,
which is not true. It can be and often is negative in order to access
SKB header values in front of skb->data.
Signed-off-by: David S. Miller <davem@davemloft.net>
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* git://git.infradead.org/mtd-2.6: (46 commits)
[MTD] [MAPS] drivers/mtd/maps/ck804xrom.c: convert pci_module_init()
[MTD] [NAND] CM-x270 MTD driver
[MTD] [NAND] Wrong calculation of page number in nand_block_bad()
[MTD] [MAPS] fix plat-ram printk format
[JFFS2] Fix compr_rubin.c build after include file elimination.
[JFFS2] Handle inodes with only a single metadata node with non-zero isize
[JFFS2] Tidy up licensing/copyright boilerplate.
[MTD] [OneNAND] Exit loop only when column start with 0
[MTD] [OneNAND] Fix access the past of the real oobfree array
[MTD] [OneNAND] Update Samsung OneNAND official URL
[JFFS2] Better fix for all-zero node headers
[JFFS2] Improve read_inode memory usage, v2.
[JFFS2] Improve failure mode if inode checking leaves unchecked space.
[JFFS2] Fix cross-endian build.
[MTD] Finish conversion mtd_blkdevs to use the kthread API
[JFFS2] Obsolete dirent nodes immediately on unlink, where possible.
Use menuconfig objects: MTD
[MTD] mtd_blkdevs: Convert to use the kthread API
[MTD] Fix fwh_lock locking
[JFFS2] Speed up mount for directly-mapped NOR flash
...
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This patch converts the pci_module_init() usage to pci_register_driver().
It's currently #if 0'ed, but still not a bad idea to change it.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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This patch provides MTD support for NAND flash devices on CM-x270 modules.
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/mtd/Kconfig
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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In case that there is no memory based bad block table available the
function nand_block_checkbad() in drivers/mtd/nand/nand_base.c will call
nand_block_bad() directly. When parameter 'getchip' is set to zero,
nand_block_bad() will not right shift the offset to calculate the
correct page number.
Signed-off-by: Thomas Knobloch <knobloch@siemens.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
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drivers/mtd/maps/plat-ram.c:172: warning: format '%lx' expects type 'long unsigned int', but argument 4 has type 'resource_size_t'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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It seems to be silly season lately.
(Oops, test builds are more useful if the file in question is actually
configured on. dwmw2).
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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This should never happen unless there's corruption on the medium and the
actual data nodes go missing. But the failure mode (an oops when we assume
the fragtree isn't empty and go looking for its last node) isn't useful.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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In particular, remove the bit in the LICENCE file about contacting
Red Hat for alternative arrangements. Their errant IS department broke
that arrangement a long time ago -- the policy of collecting copyright
assignments from contributors came to an end when the plug was pulled on
the servers hosting the project, without notice or reason.
We do still dual-license it for use with eCos, with the GPL+exception
licence approved by the FSF as being GPL-compatible. It's just that nobody
has the right to license it differently.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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The JFFS2 requests OOB function from column 0.
But the oobtest in nand-tests doesn't.
So we only exit loop only when column start with 0.
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Here it's not the case: all the entries are occupied by
OOB chunks. Therefore, once we get into a loop like
for (free = this->ecclayout->oobfree; free->length; ++free) {
}
we might end up scanning past the real oobfree array.
Probably the best way out, as the same thing might happen for common NAND
as well, is to check index against MTD_MAX_OOBFREE_ENTRIES.
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Update Samsung OneNAND official URL.
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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No need to check for all-zero header since the header cannot
be zero due to other checks.
Replace the all-zero header check in readinode.c with a
check for the magic word.
Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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We originally used to read every node and allocate a jffs2_tmp_dnode_info
structure for each, before processing them in (reverse) version order
and discarding the ones which are obsoleted by later nodes.
With huge logfiles, this behaviour caused memory problems. For example, a
file involved in OLPC trac #1292 has 1822391 nodes, and would cause the XO
machine to run out of memory during the first stage of read_inode().
Instead of just inserting nodes into a tree in version order as we find
them, we now put them into a tree in order of their offset within the
file, which allows us to immediately discard nodes which are completely
obsoleted.
We don't use a full tree with 'fragments' pointing to the real data
structure, as we do in the normal fragtree. We sort only on the start
address, and add an 'overlapped' flag to the tmp_dnode_info to indicate
that the node in question is (partially) overlapped by another.
When the scan is complete, we start at the end of the file, adding each
node to a real fragtree as before. Where the node is non-overlapped, we
just add it (it doesn't matter that it's not the latest version; there is
no overlap). When the node at the end of the tree _is_ overlapped, we sort
it and all its overlapping nodes into version order and then add them to
the fragtree in that order.
This 'early discard' reduces the peak allocation of tmp_dnode_info
structures from 1.8M to a mere 62872 (3.5%) in the degenerate case
referenced above.
This version of the patch also correctly rememembers the highest node
version# seen for an inode when it's scanned.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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We should never find the unchecked size is non-zero after we've finished
checking all inodes. If it happens, used to BUG(), leaving the alloc_sem
held and deadlocking. Instead, just return -ENOSPC after complaining. The
GC thread will die, but read-only operation should be able to continue and
the file system should be unmountable.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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When compiling a LE-capable JFFS2 on PowerPC, wbuf.c fails to compile:
fs/jffs2/wbuf.c:973: error: braced-group within expression allowed only inside a function
fs/jffs2/wbuf.c:973: error: initializer element is not constant
fs/jffs2/wbuf.c:973: error: (near initialization for ‘oob_cleanmarker.magic’)
fs/jffs2/wbuf.c:974: error: braced-group within expression allowed only inside a function
fs/jffs2/wbuf.c:974: error: initializer element is not constant
fs/jffs2/wbuf.c:974: error: (near initialization for ‘oob_cleanmarker.nodetype’)
fs/jffs2/wbuf.c:975: error: braced-group within expression allowed only inside a function
fs/jffs2/wbuf.c:976: error: initializer element is not constant
fs/jffs2/wbuf.c:976: error: (near initialization for ‘oob_cleanmarker.totlen’)
Provide constant_cpu_to_je{16,32} functions, and use them for initialising the
offending structure.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Remove waitqueue, 'exiting' flag and completion; use kthread APIs instead.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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Use menuconfigs instead of menus, so the whole menu can be disabled at once
instead of going through all options.
Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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