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2008-02-24ixgb: add RNBC counter - no buffer count - to ethtool statsAuke Kok
This counter is valuable to determine if the system is unable to timely return buffers to the hardware and this counter starts to increase well before the hardware starts to drop packets. If users experience rx_no_buffer_count increasing, they should increase the amount of descriptors. That will provide more buffers for the hardware and will decrease the chance of hard drops. Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-24macb: Fix speed settingAtsushi Nemoto
Fix NCFGR.SPD setting on 10Mbps. This bug was introduced by conversion to generic PHY layer in kernel 2.6.23. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-24sky2: fix LED managementStephen Hemminger
Fix problems in LED management, so ethtool -p works correctly on Yukon-EC and other chips. The driver was incorrectly setting the PHY LED overide bits. Moral: read the spec sheet, not the vendor driver. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-24[netdrvr] via-rhine: Use register offset definition for WOLcgClrLaura Garcia
Use register offset definition for WOLcgClr, rather than a magic number. This patch does not change the driver behaviour. Signed-off-by: Laura Garcia Liebana <nevola@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-23net/phy/mdio_bus.c: fix a check-after-useAdrian Bunk
This patch fixes a check-after-use spotted by the Coverity checker. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-23igb: Fix panic with NICs with 1000BASE-SX PHYBill Hayes
This patch eliminates a kernel panic with the igb driver in 2.6.25-rc2 when running on a Intel 82575 Ethernet controller with a 1000BASE-SX PHY. The panic does not happen with the 1000BASE-T PHY, only with a SX connection. Signed-off-by: Bill Hayes <bill.hayes@hp.com> Signed-off-by: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-23gianfar: don't pass NULL dev ptr to DMA opsBecky Bruce
Change all dma op invocations in gianfar.c to actually pass in the device pointer. Currently, the value is ignored, but it will be used going forward as we implement archdata for 32-bit powerpc. Signed-off-by: Becky Bruce <becky.bruce@freescale.com> Acked-by: Andy Fleming <afleming@freescale.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-23sis190: read the mac address from the eeprom firstFrancois Romieu
Reading a serie of zero from the cmos sram area do not work well with is_valid_ether_addr(). Let's read the mac address from the eeprom first as it seems more reliable. Fix for http://bugzilla.kernel.org/show_bug.cgi?id=9831 Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-23tlan: add static to function definitionsHarvey Harrison
The forward declarations were already marked static, make the definitions be static as well. Fixes the sparse warnings as well. drivers/net/tlan.c:1403:5: warning: symbol 'TLan_HandleInvalid' was not declared. Should it be static? drivers/net/tlan.c:1435:5: warning: symbol 'TLan_HandleTxEOF' was not declared. Should it be static? drivers/net/tlan.c:1521:5: warning: symbol 'TLan_HandleStatOverflow' was not declared. Should it be static? drivers/net/tlan.c:1557:5: warning: symbol 'TLan_HandleRxEOF' was not declared. Should it be static? drivers/net/tlan.c:1692:5: warning: symbol 'TLan_HandleDummy' was not declared. Should it be static? drivers/net/tlan.c:1722:5: warning: symbol 'TLan_HandleTxEOC' was not declared. Should it be static? drivers/net/tlan.c:1770:5: warning: symbol 'TLan_HandleStatusCheck' was not declared. Should it be static? drivers/net/tlan.c:1845:5: warning: symbol 'TLan_HandleRxEOC' was not declared. Should it be static? drivers/net/tlan.c:1905:6: warning: symbol 'TLan_Timer' was not declared. Should it be static? drivers/net/tlan.c:1986:6: warning: symbol 'TLan_ResetLists' was not declared. Should it be static? drivers/net/tlan.c:2046:6: warning: symbol 'TLan_FreeLists' was not declared. Should it be static? drivers/net/tlan.c:2095:6: warning: symbol 'TLan_PrintDio' was not declared. Should it be static? drivers/net/tlan.c:2130:6: warning: symbol 'TLan_PrintList' was not declared. Should it be static? drivers/net/tlan.c:2166:6: warning: symbol 'TLan_ReadAndClearStats' was not declared. Should it be static? drivers/net/tlan.c:2242:1: warning: symbol 'TLan_ResetAdapter' was not declared. Should it be static? drivers/net/tlan.c:2328:1: warning: symbol 'TLan_FinishReset' was not declared. Should it be static? drivers/net/tlan.c:2451:6: warning: symbol 'TLan_SetMac' was not declared. Should it be static? drivers/net/tlan.c:2493:6: warning: symbol 'TLan_PhyPrint' was not declared. Should it be static? drivers/net/tlan.c:2542:6: warning: symbol 'TLan_PhyDetect' was not declared. Should it be static? drivers/net/tlan.c:2589:6: warning: symbol 'TLan_PhyPowerDown' was not declared. Should it be static? drivers/net/tlan.c:2614:6: warning: symbol 'TLan_PhyPowerUp' was not declared. Should it be static? drivers/net/tlan.c:2635:6: warning: symbol 'TLan_PhyReset' was not declared. Should it be static? drivers/net/tlan.c:2663:6: warning: symbol 'TLan_PhyStartLink' was not declared. Should it be static? drivers/net/tlan.c:2750:6: warning: symbol 'TLan_PhyFinishAutoNeg' was not declared. Should it be static? drivers/net/tlan.c:2906:5: warning: symbol 'TLan_MiiReadReg' was not declared. Should it be static? drivers/net/tlan.c:2996:6: warning: symbol 'TLan_MiiSendData' was not declared. Should it be static? drivers/net/tlan.c:3038:6: warning: symbol 'TLan_MiiSync' was not declared. Should it be static? drivers/net/tlan.c:3077:6: warning: symbol 'TLan_MiiWriteReg' was not declared. Should it be static? drivers/net/tlan.c:3147:6: warning: symbol 'TLan_EeSendStart' was not declared. Should it be static? drivers/net/tlan.c:3187:5: warning: symbol 'TLan_EeSendByte' was not declared. Should it be static? drivers/net/tlan.c:3248:6: warning: symbol 'TLan_EeReceiveByte' was not declared. Should it be static? drivers/net/tlan.c:3306:5: warning: symbol 'TLan_EeReadByte' was not declared. Should it be static? Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-23claw: make use of DIV_ROUND_UPJulia Lawall
The kernel.h macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) / (d)) but is perhaps more readable. Signed-off-by: Ursula Braun <braunu@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-23pcnet_cs: if AX88190-based card, printk "use axnet_cs instead" message.Komuro
* If ConfigBase is 0x03c0 && manfid is (0x0149,0xc1ab), printk "use axnet_cs instead" message. Actually, most of the card with manfid(0x0149, 0xc1ab) use pcnet_cs driver. * remove entry (0x021b, 0x0202) Signed-off-by: Komuro <komurojun-mbn@nifty.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-23drivers/net/cs89x0.c: compilation warning fixLeonardo Potenza
Suppress the warning message about the 'netcard_portlist' defined but not used. Signed-off-by: Leonardo Potenza <lpotenza@inwind.it> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-23virtio_net: Fix oops on early interrupts - introduced by virtio reset codeChristian Borntraeger
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-23uli526x partially recognizing interfaceGrant Grundler
Patch fixes: http://bugzilla.kernel.org/show_bug.cgi?id=5839 Init sequence needs to poll phy until phy reset is complete. This is the same problem that I fixed in 2002 in tulip driver. Thanks to manty@manty.net for testing this patch. Thanks to Pozsar Balazs <pozsy@uhulinux.hu> for posting/testing a similar patch before: http://lkml.org/lkml/2006/8/21/45 Signed-off-by: Grant Grundler <grundler@parisc-linux.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-23update TULIP MAINTAINERSGrant Grundler
Kyle and I are co-maintaining tulip driver. Normally kyle will review my patchs and submit them. I'll deal with bugzilla.kernel.org bugs and try to resolve those bugs. Signed-off-by: Grant Grundler <grundler@parisc-linux.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-23igb: fix legacy mode irq issueAndy Gospodarek
I booted an igb kernel with the option pci=nomsi and instantly noticed that interrupts no longer worked on my igb device. I took a look at the interrupt initialization and quickly discovered a comment stating: "DO NOT USE EIAME or IAME in legacy mode" It seemed a bit odd that bits to enable IAM were being set in legacy interrupt mode, so I dropped out the following parts and interrupts began working fine again. [Updated code flow and a nitpick spelling error --Auke] Signed-off-by: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-23fs_enet: Don't call phy_mii_ioctl() in atomic context.Scott Wood
The lock acquisition in fs_ioctl() does not appear to actually be necessary, and thus is simply removed. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-23ehea: add kdump supportThomas Klein
This patch adds kdump support to the ehea driver. As the firmware doesn't free resource handles automatically, the driver has to run an as simple as possible free resource function in case of a crash shutdown. The function iterates over two arrays freeing all resource handles which are stored there. The arrays are kept up-to-date during normal runtime. The crash handler fn is triggered by the recently introduced PPC crash shutdown reg/unreg functions. Signed-off-by: Thomas Klein <tklein@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-02-23Merge branch 'master' of ../linux-2.6/David S. Miller
2008-02-23Fix u132-hcd.c compile errorMirco Tischler
This fixes the following compile error caused by commit 3a2d5b700132f35401f1d9e22fe3c2cab02c2549 ("PM: Introduce PM_EVENT_HIBERNATE callback state") CC [M] drivers/usb/host/u132-hcd.o drivers/usb/host/u132-hcd.c: In function ‘u132_suspend’: drivers/usb/host/u132-hcd.c:3224: error: expected expression before ‘int’ drivers/usb/host/u132-hcd.c:3225: error: ‘ports’ undeclared (first use in this function) ... Signed-off-by: Mirco Tischler <mt-ml@gmx.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23[NETFILTER]: fix ebtable targets returnJoonwoo Park
The function ebt_do_table doesn't take NF_DROP as a verdict from the targets. Signed-off-by: Joonwoo Park <joonwpark81@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-23[IP_TUNNEL]: Don't limit the number of tunnels with generic name explicitly.Pavel Emelyanov
Use the added dev_alloc_name() call to create tunnel device name, rather than iterate in a hand-made loop with an artificial limit. Thanks Patrick for noticing this. [ The way this works is, when the device is actually registered, the generic code noticed the '%' in the name and invokes dev_alloc_name() to fully resolve the name. -DaveM ] Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-23[NET]: Restore sanity wrt. print_mac().David S. Miller
MAC_FMT had only one user and we tried to get rid of that, but this created more problems than it solved. As a result, this reverts three commits: 235365f3aaaa10b7056293877c0ead50425f25c7 ("net/8021q/vlan_dev.c: Use print_mac."), fea5fa875eb235dc186b1f5184eb36abc63e26cc ("[NET]: Remove MAC_FMT"), and 8f789c48448aed74fe1c07af76de8f04adacec7d ("[NET]: Elminate spurious print_mac() calls.") Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-23[NEIGH]: Fix race between neighbor lookup and table's hash_rnd update.Pavel Emelyanov
The neigh_hash_grow() may update the tbl->hash_rnd value, which is used in all tbl->hash callbacks to calculate the hashval. Two lookup routines may race with this, since they call the ->hash callback without the tbl->lock held. Since the hash_rnd is changed with this lock write-locked moving the calls to ->hash under this lock read-locked closes this gap. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-23[RTNL]: Validate hardware and broadcast address attribute for RTM_NEWLINKThomas Graf
RTM_NEWLINK allows for already existing links to be modified. For this purpose do_setlink() is called which expects address attributes with a payload length of at least dev->addr_len. This patch adds the necessary validation for the RTM_NEWLINK case. The address length for links to be created is not checked for now as the actual attribute length is used when copying the address to the netdevice structure. It might make sense to report an error if less than addr_len bytes are provided but enforcing this might break drivers trying to be smart with not transmitting all zero addresses. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-23tg3: ethtool phys_id defaultStephen Hemminger
When asked to blink LEDs the tg3 driver behaves when using: ethtool -p ethX The default value for data is zero, and other drivers interpret this as blink forever (or at least a really long time). The tg3 driver interprets this as blink once. All drivers should have the same behaviour. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Acked-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-23[BNX2]: Update version to 1.7.4.Michael Chan
Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-23fix vmsas.c file permissionsOliver Pinter
Signed-off-by: Oliver Pinter <oliver.pntr@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23[BNX2]: Disable parallel detect on an HP blade.Michael Chan
Because of some board issues, we need to disable parallel detect on an HP blade. Without this patch, the link state can become stuck when it goes into parallel detect mode. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-23[BNX2]: More 5706S link down workaround.Michael Chan
The previous patches to workaround the 5706S on an HP blade were not sufficient. The link state still does not change properly in some cases. This patch adds polling to make it completely reliable. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-23Add memory barrier semantics to wake_up() & coLinus Torvalds
Oleg Nesterov and others have pointed out that on some architectures, the traditional sequence of set_current_state(TASK_INTERRUPTIBLE); if (CONDITION) return; schedule(); is racy wrt another CPU doing CONDITION = 1; wake_up_process(p); because while set_current_state() has a memory barrier separating setting of the TASK_INTERRUPTIBLE state from reading of the CONDITION variable, there is no such memory barrier on the wakeup side. Now, wake_up_process() does actually take a spinlock before it reads and sets the task state on the waking side, and on x86 (and many other architectures) that spinlock is in fact equivalent to a memory barrier, but that is not generally guaranteed. The write that sets CONDITION could move into the critical region protected by the runqueue spinlock. However, adding a smp_wmb() to before the spinlock should now order the writing of CONDITION wrt the lock itself, which in turn is ordered wrt the accesses within the spinlock (which includes the reading of the old state). This should thus close the race (which probably has never been seen in practice, but since smp_wmb() is a no-op on x86, it's not like this will make anything worse either on the most common architecture where the spinlock already gave the required protection). Acked-by: Oleg Nesterov <oleg@tv-sign.ru> Acked-by: Dmitry Adamushko <dmitry.adamushko@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23mvsas: fix build warning, clean prototypesJeff Garzik
- Fix build 'make randconfig' build warning spotted by Toralf Foerster: drivers/scsi/mvsas.c: In function 'mvs_hexdump': drivers/scsi/mvsas.c:715: error: implicit declaration of function 'isalnum' - Remove unneeded prototypes (spotted by hch) Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23documentation: atomic_add_unless() doesn't imply mb() on failureOleg Nesterov
(sorry for being offtpoic, but while experts are here...) A "typical" implementation of atomic_add_unless() can return 0 immediately after the first atomic_read() (before doing cmpxchg). In that case it doesn't provide any barrier semantics. See include/asm-ia64/atomic.h as an example. We should either change the implementation, or fix the docs. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Acked-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23memcgroup: return negative error code in mem_cgroup_create()Li Zefan
Cgroup requires the subsystem to return negative error code on error in the create method. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: Balbir Singh <balbir@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23memcgroup: remove a useless VM_BUG_ON()Li Zefan
Remove this VM_BUG_ON(), as Balbir stated: We used to have a for loop with !list_empty() as a termination condition and VM_BUG_ON(!pc) is a spill over. With the new loop, VM_BUG_ON(!pc) does not make sense. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Balbir Singh <balbir@in.ibm.com> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23memcgroup: fix and update documentationLi Zefan
- remove trailing " Bytes"s in the demonstration - remove section 4.4 (feature control_type has been removed) - fix reference section Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: Balbir Singh <balbir@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23cgroup: remove dead code in cgroup_get_rootdir()Li Zefan
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23cgroup: remove duplicate code in find_css_set()Li Zefan
The list head res->tasks gets initialized twice in find_css_set(). Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23cgroup: fix subsys bitopsLi Zefan
Cgroup uses unsigned long for subsys bitops, not unsigned long long. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23cgroup: fix memory leak in cgroup_get_sb()Li Zefan
opts.release_agent is not kfree()ed in all necessary places. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23cgroup: clean up cgroup.hLi Zefan
- replace old name 'cont' with 'cgrp' (Paul Menage did this cleanup for cgroup.c in commit bd89aabc6761de1c35b154fe6f914a445d301510) - remove a duplicate declaration of cgroup_path() Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23cgroup: fix commentsLi Zefan
fix: - comments about need_forkexit_callback - comments about release agent - typo and comment style, etc. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23cgroup: fix and update documentationLi Zefan
Misc fixes and updates, make the doc consistent with current cgroup implementation. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23Solve section mismatch for free_area_init_core.Alexander van Heukelum
WARNING: vmlinux.o(.meminit.text+0x649): Section mismatch in reference from the function free_area_init_core() to the function .init.text:setup_usemap() The function __meminit free_area_init_core() references a function __init setup_usemap(). If free_area_init_core is only used by setup_usemap then annotate free_area_init_core with a matching annotation. The warning is covers this stack of functions in mm/page_alloc.c: alloc_bootmem_node must be marked __init. alloc_bootmem_node is used by setup_usemap, if !SPARSEMEM. (usemap_size is only used by setup_usemap, if !SPARSEMEM.) setup_usemap is only used by free_area_init_core. free_area_init_core is only used by free_area_init_node. free_area_init_node is used by: arch/alpha/mm/numa.c: __init paging_init() arch/arm/mm/init.c: __init bootmem_init_node() arch/avr32/mm/init.c: __init paging_init() arch/cris/arch-v10/mm/init.c: __init paging_init() arch/cris/arch-v32/mm/init.c: __init paging_init() arch/m32r/mm/discontig.c: __init zone_sizes_init() arch/m32r/mm/init.c: __init zone_sizes_init() arch/m68k/mm/motorola.c: __init paging_init() arch/m68k/mm/sun3mmu.c: __init paging_init() arch/mips/sgi-ip27/ip27-memory.c: __init paging_init() arch/parisc/mm/init.c: __init paging_init() arch/sparc/mm/srmmu.c: __init srmmu_paging_init() arch/sparc/mm/sun4c.c: __init sun4c_paging_init() arch/sparc64/mm/init.c: __init paging_init() mm/page_alloc.c: __init free_area_init_nodes() mm/page_alloc.c: __init free_area_init() and mm/memory_hotplug.c: hotadd_new_pgdat() hotadd_new_pgdat can not be an __init function, but: It is compiled for MEMORY_HOTPLUG configurations only MEMORY_HOTPLUG depends on SPARSEMEM || X86_64_ACPI_NUMA X86_64_ACPI_NUMA depends on X86_64 ARCH_FLATMEM_ENABLE depends on X86_32 ARCH_DISCONTIGMEM_ENABLE depends on X86_32 So X86_64_ACPI_NUMA implies SPARSEMEM, right? So we can mark the stack of functions __init for !SPARSEMEM, but we must mark them __meminit for SPARSEMEM configurations. This is ok, because then the calls to alloc_bootmem_node are also avoided. Compile-tested on: silly minimal config defconfig x86_32 defconfig x86_64 defconfig x86_64 -HIBERNATION +MEMORY_HOTPLUG Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23Smack: update for file capabilitiesCasey Schaufler
Update the Smack LSM to allow the registration of the capability "module" as a secondary LSM. Integrate the new hooks required for file based capabilities. Signed-off-by: Casey Schaufler <casey@schaufler-ca.com> Cc: Serge Hallyn <serue@us.ibm.com> Cc: Stephen Smalley <sds@tycho.nsa.gov> Cc: Paul Moore <paul.moore@hp.com> Cc: James Morris <jmorris@namei.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23kprobes: refuse kprobe insertion on add/sub_preempt_counter()Srinivasa Ds
Kprobes makes use of preempt_disable(),preempt_enable_noresched() and these functions inturn call add/sub_preempt_count(). So we need to refuse user from inserting probe in to these functions. This patch disallows user from probing add/sub_preempt_count(). Signed-off-by: Srinivasa DS <srinivasa@in.ibm.com> Acked-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23cgroup memory controller: document huge memory/cache overhead in KconfigAndi Kleen
Document huge memory/cache overhead of memory controller in Kconfig I was a little surprised that 2.6.25-rc* increased struct page for the memory controller. At least on many x86-64 machines it will not fit into a single cache line now anymore and also costs considerable amounts of RAM. At earlier review I remembered asking for a external data structure for this. It's also quite unobvious that a innocent looking Kconfig option with a single line Kconfig description has such a negative effect. This patch attempts to document these disadvantages at least so that users configuring their kernel can make a informed decision. Signed-off-by: Andi Kleen <ak@suse.de> Cc: Balbir Singh <balbir@in.ibm.com> Acked-by: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23kernel-doc: fix function-pointer-parameter parsingRichard Kennedy
When running "make htmldocs" I'm seeing some non-fatal perl errors caused by trying to parse the callback function definitions in blk-core.c. The errors are "Use of uninitialized value in concatenation (.)..." in combination with: Warning(linux-2.6.25-rc2/block/blk-core.c:1877): No description found for parameter '' The function pointers are defined without a * i.e. int (drv_callback)(struct request *) The compiler is happy with them, but kernel-doc isn't. This patch teaches create_parameterlist in kernel-doc to parse this type of function pointer definition, but is it the right way to fix the problem ? The problem only seems to occur in blk-core.c. However with the patch applied, kernel-doc finds the correct parameter description for the callback in blk_end_request_callback, which is doesn't normally. I thought it would be a bit odd to change to code to use the more normal form of function pointers just to get the documentation to work, so I fixed kernel-doc instead - even though this is teaching it to understand code that might go away (The comment for blk_end_request_callback says that it should not be used and will removed at some point). Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23h8300: defconfig updateYoshinori Sato
defconfig update. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-23h8300: IRQ handling updateYoshinori Sato
- add missing file and declare. - remove unused file and macros. - some cleanup. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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