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2008-02-04Merge branch 'locks' of git://linux-nfs.org/~bfields/linuxLinus Torvalds
* 'locks' of git://linux-nfs.org/~bfields/linux: pid-namespaces-vs-locks-interaction file locks: Use wait_event_interruptible_timeout() locks: clarify posix_locks_deadlock
2008-02-04kbuild: Fix instrumentation removal breakage on avr32Haavard Skinnemoen
AVR32 still includes Kconfig.instrumentation, so it won't build after this... Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Acked-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuildLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild: scsi: fix dependency bug in aic7 Makefile kbuild: add svn revision information to setlocalversion kbuild: do not warn about __*init/__*exit symbols being exported Move Kconfig.instrumentation to arch/Kconfig and init/Kconfig Add HAVE_KPROBES Add HAVE_OPROFILE Create arch/Kconfig Fix ARM to play nicely with generic Instrumentation menu kconfig: ignore select of unknown symbol kconfig: mark config as changed when loading an alternate config kbuild: Spelling/grammar fixes for config DEBUG_SECTION_MISMATCH Remove __INIT_REFOK and __INITDATA_REFOK kbuild: print only total number of section mismatces found
2008-02-04vm audit: add VM_DONTEXPAND to mmap for drivers that need itNick Piggin
Drivers that register a ->fault handler, but do not range-check the offset argument, must set VM_DONTEXPAND in the vm_flags in order to prevent an expanding mremap from overflowing the resource. I've audited the tree and attempted to fix these problems (usually by adding VM_DONTEXPAND where it is not obvious). Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-04ADB: Add missing #include <linux/platform_device.h>Geert Uytterhoeven
Commit c9f6d3d5c6d4f4cd3a53549a69c92951180e2a76 ("[POWERPC] adb: Replace sleep notifier with platform driver suspend/resume hooks") introduced compile errors on m68k because <linux/platform_device.h> is not explicitly included. On powerpc, it's pulled in through <asm/prom.h>. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (77 commits) [IPV6]: Reorg struct ifmcaddr6 to save some bytes [INET_TIMEWAIT_SOCK]: Reorganize struct inet_timewait_sock to save some bytes [DCCP]: Reorganize struct dccp_sock to save 8 bytes [INET6]: Reorganize struct inet6_dev to save 8 bytes [SOCK] proto: Add hashinfo member to struct proto EMAC driver: Fix bug: The clock divisor is set to all ones at reset. EMAC driver: fix bug - invalidate data cache of new_skb->data range when cache is WB EMAC driver: add power down mode EMAC driver: ADSP-BF52x arch/mach support EMAC driver: use simpler comment headers and strip out information that is maintained in the scm's log EMAC driver: bf537 MAC multicast hash filtering patch EMAC driver: define MDC_CLK=2.5MHz and caculate mdc_div according to SCLK. EMAC driver: shorten the mdelay value to solve netperf performance issue [netdrvr] sis190: build fix sky2: fix Wake On Lan interaction with BIOS sky2: restore multicast addresses after recovery pci-skeleton: Misc fixes to build neatly phylib: Add Realtek 821x eth PHY support natsemi: Update locking documentation PHYLIB: Locking fixes for PHY I/O potentially sleeping ...
2008-02-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6: Driver core: Remove unneeded get_{device,driver}() calls. Driver core: Update some prototypes in platform.txt driver core: convert to use class_find_device api PM: Export device_pm_schedule_removal nozomi: finish constification nozomi: constify driver nozomi driver update Add ja_JP translation of stable_kernel_rules.txt kobject: kerneldoc comment fix kobject: Always build in kernel/ksysfs.o.
2008-02-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6: PCI: fix 4x section mismatch warnings PCI: fix section mismatch warnings referring to pci_do_scan_bus pci: pci_enable_device_bars() fix for lpfc driver Revert "PCI: PCIE ASPM support"
2008-02-03pid-namespaces-vs-locks-interactionVitaliy Gusev
fcntl(F_GETLK,..) can return pid of process for not current pid namespace (if process is belonged to the several namespaces). It is true also for pids in /proc/locks. So correct behavior is saving pointer to the struct pid of the process lock owner. Signed-off-by: Vitaliy Gusev <vgusev@openvz.org> Acked-by: Serge Hallyn <serue@us.ibm.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
2008-02-03file locks: Use wait_event_interruptible_timeout()Matthew Wilcox
interruptible_sleep_on_locked() is just an open-coded wait_event_interruptible_timeout(), with the one difference that interruptible_sleep_on_locked() doesn't bother to check the condition on which it is waiting, depending instead on the BKL to avoid the case where it blocks after the wakeup has already been called. locks_block_on_timeout() is only used in one place, so it's actually simpler to inline it into its caller. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
2008-02-03locks: clarify posix_locks_deadlockJ. Bruce Fields
For such a short function (with such a long comment), posix_locks_deadlock() seems to cause a lot of confusion. Attempt to make it a bit clearer: - Remove the initial posix_same_owner() check, which can never pass (since this is only called in the case that block_fl and caller_fl conflict) - Use an explicit loop (and a helper function) instead of a goto. - Rewrite the comment, attempting a clearer explanation, and removing some uninteresting historical detail. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
2008-02-03scsi: fix dependency bug in aic7 MakefileSam Ravnborg
Building the aic7xxx driver includes the copy of an .h file from a _shipped file. In a highly parallel build Ingo saw that the build sometimes failed (included distcc usage). It was tracked down to a missing dependency from the .c source file to the generated .h file. We started to build the .c file before the copy (cat) operation of the .h file completed and we then only got half of the definitions from the copied .h file. Add an explicit dependency from the .c files to the generated .h files so make knows all dependencies and finsih the build of the .h files before it starts building the .o files. Ingo tested this fix and reported: good news: hundreds of successful kernel builds and no failures overnight. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Ingo Molnar <mingo@elte.hu> Acked-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-02-03Merge branch 'fixes' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6
2008-02-03[IPV6]: Reorg struct ifmcaddr6 to save some bytesArnaldo Carvalho de Melo
/home/acme/git/net-2.6/net/ipv6/mcast.c: struct ifmcaddr6 | -8 1 struct changed igmp6_group_dropped | -6 add_grec | -3 mld_ifc_timer_expire | -18 ip6_mc_add_src | -3 ip6_mc_del_src | -3 igmp6_group_added | -3 6 functions changed, 36 bytes removed, diff: -36 ipv6.ko: 6 functions changed, 36 bytes removed, diff: -36 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03[INET_TIMEWAIT_SOCK]: Reorganize struct inet_timewait_sock to save some bytesArnaldo Carvalho de Melo
/home/acme/git/net-2.6/net/ipv6/tcp_ipv6.c: struct inet_timewait_sock | -8 struct tcp_timewait_sock | -8 2 structs changed tcp_v6_rcv | -6 1 function changed, 6 bytes removed, diff: -6 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03[DCCP]: Reorganize struct dccp_sock to save 8 bytesArnaldo Carvalho de Melo
/home/acme/git/net-2.6/net/dccp/ipv6.c: struct dccp_sock | -8 struct dccp6_sock | -8 2 structs changed Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03[INET6]: Reorganize struct inet6_dev to save 8 bytesArnaldo Carvalho de Melo
And make it a multiple of a 64 bytes, reducing cacheline trashing: Before: [acme@doppio net-2.6]$ pahole -C inet6_dev net/dccp/ipv6.o struct inet6_dev { <SNIP> long unsigned int mc_maxdelay; /* 48 8 */ unsigned char mc_qrv; /* 56 1 */ unsigned char mc_gq_running; /* 57 1 */ unsigned char mc_ifc_count; /* 58 1 */ /* XXX 5 bytes hole, try to pack */ /* --- cacheline 1 boundary (64 bytes) --- */ struct timer_list mc_gq_timer; /* 64 48 */ <SNIP> __u32 if_flags; /* 180 4 */ int dead; /* 184 4 */ u8 rndid[8]; /* 188 8 */ /* XXX 4 bytes hole, try to pack */ /* --- cacheline 3 boundary (192 bytes) was 8 bytes ago --- */ struct timer_list regen_timer; /* 200 48 */ <SNIP> /* size: 456, cachelines: 8 */ /* sum members: 447, holes: 2, sum holes: 9 */ /* last cacheline: 8 bytes */ }; After: net-2.6/net/ipv6/af_inet6.c: struct inet6_dev | -8 1 struct changed Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03[SOCK] proto: Add hashinfo member to struct protoArnaldo Carvalho de Melo
This way we can remove TCP and DCCP specific versions of sk->sk_prot->get_port: both v4 and v6 use inet_csk_get_port sk->sk_prot->hash: inet_hash is directly used, only v6 need a specific version to deal with mapped sockets sk->sk_prot->unhash: both v4 and v6 use inet_hash directly struct inet_connection_sock_af_ops also gets a new member, bind_conflict, so that inet_csk_get_port can find the per family routine. Now only the lookup routines receive as a parameter a struct inet_hashtable. With this we further reuse code, reducing the difference among INET transport protocols. Eventually work has to be done on UDP and SCTP to make them share this infrastructure and get as a bonus inet_diag interfaces so that iproute can be used with these protocols. net-2.6/net/ipv4/inet_hashtables.c: struct proto | +8 struct inet_connection_sock_af_ops | +8 2 structs changed __inet_hash_nolisten | +18 __inet_hash | -210 inet_put_port | +8 inet_bind_bucket_create | +1 __inet_hash_connect | -8 5 functions changed, 27 bytes added, 218 bytes removed, diff: -191 net-2.6/net/core/sock.c: proto_seq_show | +3 1 function changed, 3 bytes added, diff: +3 net-2.6/net/ipv4/inet_connection_sock.c: inet_csk_get_port | +15 1 function changed, 15 bytes added, diff: +15 net-2.6/net/ipv4/tcp.c: tcp_set_state | -7 1 function changed, 7 bytes removed, diff: -7 net-2.6/net/ipv4/tcp_ipv4.c: tcp_v4_get_port | -31 tcp_v4_hash | -48 tcp_v4_destroy_sock | -7 tcp_v4_syn_recv_sock | -2 tcp_unhash | -179 5 functions changed, 267 bytes removed, diff: -267 net-2.6/net/ipv6/inet6_hashtables.c: __inet6_hash | +8 1 function changed, 8 bytes added, diff: +8 net-2.6/net/ipv4/inet_hashtables.c: inet_unhash | +190 inet_hash | +242 2 functions changed, 432 bytes added, diff: +432 vmlinux: 16 functions changed, 485 bytes added, 492 bytes removed, diff: -7 /home/acme/git/net-2.6/net/ipv6/tcp_ipv6.c: tcp_v6_get_port | -31 tcp_v6_hash | -7 tcp_v6_syn_recv_sock | -9 3 functions changed, 47 bytes removed, diff: -47 /home/acme/git/net-2.6/net/dccp/proto.c: dccp_destroy_sock | -7 dccp_unhash | -179 dccp_hash | -49 dccp_set_state | -7 dccp_done | +1 5 functions changed, 1 bytes added, 242 bytes removed, diff: -241 /home/acme/git/net-2.6/net/dccp/ipv4.c: dccp_v4_get_port | -31 dccp_v4_request_recv_sock | -2 2 functions changed, 33 bytes removed, diff: -33 /home/acme/git/net-2.6/net/dccp/ipv6.c: dccp_v6_get_port | -31 dccp_v6_hash | -7 dccp_v6_request_recv_sock | +5 3 functions changed, 5 bytes added, 38 bytes removed, diff: -33 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03EMAC driver: Fix bug: The clock divisor is set to all ones at reset.Bryan Wu
Signed-off-by: Kalle Pokki <kalle.pokki@eke.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03EMAC driver: fix bug - invalidate data cache of new_skb->data range when ↵Alexey Demin
cache is WB It prevents overwritting new data from DMA. Signed-off-by: Alexey Demin <bf53x@ya.ru> Signed-off-by: Bryan Wu <bryan.wu@analog.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03EMAC driver: add power down modeVitja Makarov
This patch puts phy in power-down mode when interface is down. Also we should think about energy detect power-down mode, that will decrease power consumption when no link. Signed-off-by: Vitja Makarov <vitja.makarov@gmail.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03EMAC driver: ADSP-BF52x arch/mach supportMichael Hennerich
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03EMAC driver: use simpler comment headers and strip out information that is ↵Mike Frysinger
maintained in the scm's log Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03EMAC driver: bf537 MAC multicast hash filtering patchAidan Williams
The bf537 Ethernet MAC driver in the 2007R1.1-RC3 kernel (and the current kernel) do not implement multicast hash filtering. This is a performance problem if you have lots of multicast on your network. This patch plugs the right bits into the multicast hash registers. Signed-off-by: Aidan Williams <aidan@nicta.com.au> Signed-off-by: Bryan Wu <bryan.wu@analog.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03EMAC driver: define MDC_CLK=2.5MHz and caculate mdc_div according to SCLK.Bryan Wu
Signed-off-by: Bryan Wu <bryan.wu@analog.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03EMAC driver: shorten the mdelay value to solve netperf performance issueBryan Wu
Signed-off-by: Bryan Wu <bryan.wu@analog.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03[netdrvr] sis190: build fixJeff Garzik
Fix PCI table section type conflict, by removing __devinitdata. Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03sky2: fix Wake On Lan interaction with BIOSStephen Hemminger
This patch disables config mode access after clearing PCI settings. Some BIOS's seem to not do WOL if config bit still set. Fixes: http://bugzilla.kernel.org/show_bug.cgi?id=9721 Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03sky2: restore multicast addresses after recoveryStephen Hemminger
If the sky2 deadman timer forces a recovery, the multicast hash list is lost. Move the call to sky2_set_multicast to the end of sky2_up() so all paths that bring device up will restore multicast. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03pci-skeleton: Misc fixes to build neatlyJike Song
The pci-skeleton.c has several problems with compilation, such as missing args when calling synchronize_irq(). Fix it. Signed-off-by: Jike Song <albcamus@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03phylib: Add Realtek 821x eth PHY supportJohnson Leung
this PHY present on the MPC8315E and MPC837xE RDB boards. Signed-off-by: Johnson Leung <r58129@freescale.com> Signed-off-by: Kevin Lam <r43770@freescale.com> Signed-off-by: Joe D'Abbraccio <ljd015@freescale.com> Signed-off-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03natsemi: Update locking documentationMark Brown
The documentation regarding synchronisation at the head of the natsemi driver was badly bitrotted so replace it with a general statement about the techniques used which is less likely to bitrot. Also remove the note saying these chips are uncommon - it makes little difference but they were used in a number of laptops and at least one mass market PCI ethernet card. Signed-off-by: Mark Brown <broonie@sirena.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03PHYLIB: Locking fixes for PHY I/O potentially sleepingNate Case
PHY read/write functions can potentially sleep (e.g., a PHY accessed via I2C). The following changes were made to account for this: * Change spin locks to mutex locks * Add a BUG_ON() to phy_read() phy_write() to warn against calling them from an interrupt context. * Use work queue for PHY state machine handling since it can potentially sleep * Change phydev lock from spinlock to mutex Signed-off-by: Nate Case <ncase@xes-inc.com> Acked-by: Andy Fleming <afleming@freescale.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03forcedeth: mac address mcp77/79Ayaz Abdulla
This patch is a critical fix for MCP77 and MCP79 devices. The feature flags were missing the define for correct mac address (DEV_HAS_CORRECT_MACADDR). Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03forcedeth: multicast fixAyaz Abdulla
This patch fixes the case where no multicast addresses are requested to be added to the multicast filter. The multicast mask must be set to all 1's instead of all 0's. Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03forcedeth: tx pause fixAyaz Abdulla
This patch fixes the tx pause enable watermark flags. The new values where determined to be optimal during testing. Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03forcedeth: updated copyright sectionAyaz Abdulla
This patch updates the copyright section to include 2007 and 2008. Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03forcedeth: checksum fixAyaz Abdulla
The driver should inform the stack when checksum has been performed by the HW when both IP and TCP (or UDP) checksum flags are indicated by HW. Previously, it would also inform the stack when only IP checksum flag was indicated by HW. This can cause data corruption when IP fragments are used. The IP Identification field can wrap around and cause data from new fragments to fill into older fragment slots with same IP Id. The stack would then not perform TCP/UDP checksum (after re-assembly of all fragments) since driver falsely stated it was already calculated. Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03forcedeth: reset register fixAyaz Abdulla
This patch fixes the reset register definition from 0x3C to 0x34. Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03drivers/net/arm/at91_ether.c: logical/bitand typo in function reset_phy()Roel Kluin
include/linux/mii.h:48:#define BMCR_RESET 0x8000 The function reset_phy() is in "#if 0" inactivated code Replace logical "&&" by bit "&" before BMCR_RESET Signed-off-by: Roel Kluin <12o3l@tiscali.nl> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03cxgb3: Remove incorrect __devinit annotationsRoland Dreier
When PCI error recovery was added to cxgb3, a function t3_io_slot_reset() was added. This function can call back into t3_prep_adapter() at any time, so t3_prep_adapter() can no longer be marked __devinit. This patch removes the __devinit annotation from t3_prep_adapter() and all the functions that it calls, which fixes WARNING: drivers/net/cxgb3/built-in.o(.text+0x2427): Section mismatch in reference from the function t3_io_slot_reset() to the function .devinit.text:t3_prep_adapter() Signed-off-by: Roland Dreier <rolandd@cisco.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03bonding: update MAINTAINERSJay Vosburgh
Remove Chad Tindel; he hasn't been involved for a number of years. Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03bonding: update versionJay Vosburgh
Update bonding to version 3.2.4. Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03bonding: do not acquire rtnl in ARP monitorJay Vosburgh
The ARP monitor functions currently acquire RTNL when performing failover operations, but do so incorrectly (out of order). This causes various warnings from might_sleep. The ARP monitor isn't supported for any of the bonding modes that actually require RTNL, so it is safe to not hold RTNL when failing over in the ARP monitor. Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03bonding: fix race that causes invalid statisticsAndy Gospodarek
I've seen reports of invalid stats in /proc/net/dev for bonding interfaces, and found it's a pretty easy problem to reproduce. Since the current code zeros the bonding stats when a read is requested and a pointer to that data is returned to the caller we cannot guarantee that the caller has completely accessed the data before a successive call to request the stats zeroes the stats again. This patch creates a new stack variable to keep track of the updated stats and copies the data from that variable into the bonding stats structure. This ensures that the value for any of the bonding stats should not incorrectly return zero for any of the bonding statistics. This does use more stack space and require an extra memcpy, but it seems like a fair trade-off for consistently correct bonding statistics. Signed-off-by: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Chris Snook <csnook@redhat.com> Acked-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03bonding: fix NULL pointer deref in startup processingJay Vosburgh
Fix the "are we creating a duplicate" check to not compare the name if the name is NULL (meaning that the system should select a name). Bug reported by Benny Amorsen <benny+usenet@amorsen.dk>. Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03bonding: fix set_multicast_list lockingJay Vosburgh
This patch eliminates a problem (reported by lockdep) in the bond_set_multicast_list function. It first reduces the locking on bond->lock to a simple read_lock, and second, adds netif_tx locking around the bonding mc_list manipulations that occur outside of the set_multicast_list function. The original problem was related to IPv6 addrconf activity. Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03bonding: fix parameter parsingJay Vosburgh
My last fix (commit ece95f7fefe3afae19e641e1b3f5e64b00d5b948) didn't handle one case correctly. This resolves that, and it will now correctly parse parameters with arbitrary white space, and either text names or mode values. Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03Fix/Rewrite of the mipsnet driver]Ralf Baechle
This is Thiemo's patch. ----- Forwarded message from Thiemo Seufer <ths@networkno.de> ----- From: Thiemo Seufer <ths@networkno.de> Date: Sat, 17 Nov 2007 22:29:13 +0000 To: netdev@vger.kernel.org Cc: linux-mips@linux-mips.org, ralf@linux-mips.org Subject: [PATCH, REPOST] Fix/Rewrite of the mipsnet driver Content-Type: text/plain; charset=us-ascii Hello All, currently the mipsnet driver fails after transmitting a number of packages because SKBs are allocated but never freed. I fixed that and coudn't refrain from removing the most egregious warts. - mipsnet.h folded into mipsnet.c, as it doesn't provide any useful external interface. - Free SKB after transmission. - Call free_irq in mipsnet_close, to balance the request_irq in mipsnet_open. - Removed duplicate read of rxDataCount. - Some identifiers are now less verbose. - Removed dead and/or unnecessarily complex code. - Code formatting fixes. Tested on Qemu's mipssim emulation, with this patch it can boot a Debian NFSroot. Thiemo Signed-off-by: Thiemo Seufer <ths@networkno.de> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-03remove obsolete tokenring maintainer informationAdrian Bunk
- Peter's email address is bouncing - the project webpage no longer exists - neither Peter nor Mike had a single patch included in the kernel since 2.6.12-rc2 (when the git history begins) Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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