- 07 3月, 2013 5 次提交
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由 Eric Dumazet 提交于
HTB uses an internal pfifo queue, which limit is not reported to userland tools (tc), and value inherited from device tx_queue_len at setup time. Introduce TCA_HTB_DIRECT_QLEN attribute to allow finer control. Remove two obsolete pr_err() calls as well. Signed-off-by: NEric Dumazet <edumazet@google.com> Cc: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Florian Fainelli 提交于
We are currently busy waiting for MDIO registers to complete their operation but we did not propagate the result back to the caller. Update r6040_phy_{read,write} to report the busy waiting result accordingly. Signed-off-by: NFlorian Fainelli <florian@openwrt.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Nicolas Dichtel 提交于
It's useful to be able to get the initial state of all entries. The patch adds the support for IPv4 and IPv6. Signed-off-by: NNicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jiri Pirko 提交于
As suggested by Eric Dumazet, allow user to select mode which chooses TX port randomly. Functionality should be more of less similar to round-robin mode with even lower overhead. Signed-off-by: NJiri Pirko <jiri@resnulli.us> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jiri Pirko 提交于
No need to duplicate code for this. Signed-off-by: NJiri Pirko <jiri@resnulli.us> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 06 3月, 2013 13 次提交
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由 Eric Dumazet 提交于
BQL (Byte Queue Limits) proper operation needs TX completion being serviced in a timely fashion. bnx2x uses a non standard NAPI poll weight, and thats not fair to other napi poll handlers, and even not reasonable. Use the default value instead. Signed-off-by: NEric Dumazet <edumazet@google.com> Cc: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Eric Dumazet 提交于
Some drivers use a too big NAPI poll weight. This patch adds a NAPI_POLL_WEIGHT default value and issues an error message if a driver attempts to use a bigger weight. Signed-off-by: NEric Dumazet <edumazet@google.com> Cc: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Flavio Leitner 提交于
We must try harder to get unique (addr, port) pairs when doing port autoselection for sockets with SO_REUSEADDR option set. This is a continuation of commit aacd9289 for IPv6. Signed-off-by: NFlavio Leitner <fbl@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jingoo Han 提交于
This patch uses module_platform_driver_probe() macro which makes the code smaller and simpler. Signed-off-by: NJingoo Han <jg1.han@samsung.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jingoo Han 提交于
This patch uses module_platform_driver_probe() macro which makes the code smaller and simpler. Signed-off-by: NJingoo Han <jg1.han@samsung.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jingoo Han 提交于
This patch uses module_platform_driver_probe() macro which makes the code smaller and simpler. Signed-off-by: NJingoo Han <jg1.han@samsung.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc由 Linus Torvalds 提交于
Pull powerpc fixes from Ben Herrenschmidt: "Here are a few powerpc bits & fixes for rc1. A couple of str*cpy fixes, some fixes in handling the FSCR register on Power8 (controls the enabling of processor features), a 32-bit build fix and a couple more nits." * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc: Set DSCR bit in FSCR setup powerpc: Add DSCR FSCR register bit definition powerpc: Fix setting FSCR for HV=0 and on secondary CPUs powerpc: Wireup the kcmp syscall to sys_ni powerpc: Remove unused BITOP_LE_SWIZZLE macro powerpc: Avoid link stack corruption in MMU on syscall entry path drivers/tty/hvc: Use strlcpy instead of strncpy powerpc/pseries/hvcserver: Fix strncpy buffer limit in location code powerpc: Fix compile of sha1-powerpc-asm.S on 32-bit
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git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux由 Linus Torvalds 提交于
Pull virtio hwrng fix from Rusty Russell: "Nasty side-effect of vmalloc'ing modules: their static vars cannot be put into scatterlists. Jens has a check queued for this, so it shouldn't happen again. We could fix this in virtio_rng, but it's actually far easier to just do it in the core" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: hw_random: make buffer usable in scatterlist.
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net由 Linus Torvalds 提交于
Pull networking fixes from David Miller: "A moderately sized pile of fixes, some specifically for merge window introduced regressions although others are for longer standing items and have been queued up for -stable. I'm kind of tired of all the RDS protocol bugs over the years, to be honest, it's way out of proportion to the number of people who actually use it. 1) Fix missing range initialization in netfilter IPSET, from Jozsef Kadlecsik. 2) ieee80211_local->tim_lock needs to use BH disabling, from Johannes Berg. 3) Fix DMA syncing in SFC driver, from Ben Hutchings. 4) Fix regression in BOND device MAC address setting, from Jiri Pirko. 5) Missing usb_free_urb in ISDN Hisax driver, from Marina Makienko. 6) Fix UDP checksumming in bnx2x driver for 57710 and 57711 chips, fix from Dmitry Kravkov. 7) Missing cfgspace_lock initialization in BCMA driver. 8) Validate parameter size for SCTP assoc stats getsockopt(), from Guenter Roeck. 9) Fix SCTP association hangs, from Lee A Roberts. 10) Fix jumbo frame handling in r8169, from Francois Romieu. 11) Fix phy_device memory leak, from Petr Malat. 12) Omit trailing FCS from frames received in BGMAC driver, from Hauke Mehrtens. 13) Missing socket refcount release in L2TP, from Guillaume Nault. 14) sctp_endpoint_init should respect passed in gfp_t, rather than use GFP_KERNEL unconditionally. From Dan Carpenter. 15) Add AISX AX88179 USB driver, from Freddy Xin. 16) Remove MAINTAINERS entries for drivers deleted during the merge window, from Cesar Eduardo Barros. 17) RDS protocol can try to allocate huge amounts of memory, check that the user's request length makes sense, from Cong Wang. 18) SCTP should use the provided KMALLOC_MAX_SIZE instead of it's own, bogus, definition. From Cong Wang. 19) Fix deadlocks in FEC driver by moving TX reclaim into NAPI poll, from Frank Li. Also, fix a build error introduced in the merge window. 20) Fix bogus purging of default routes in ipv6, from Lorenzo Colitti. 21) Don't double count RTT measurements when we leave the TCP receive fast path, from Neal Cardwell." * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (61 commits) tcp: fix double-counted receiver RTT when leaving receiver fast path CAIF: fix sparse warning for caif_usb rds: simplify a warning message net: fec: fix build error in no MXC platform net: ipv6: Don't purge default router if accept_ra=2 net: fec: put tx to napi poll function to fix dead lock sctp: use KMALLOC_MAX_SIZE instead of its own MAX_KMALLOC_SIZE rds: limit the size allocated by rds_message_alloc() MAINTAINERS: remove eexpress MAINTAINERS: remove drivers/net/wan/cycx* MAINTAINERS: remove 3c505 caif_dev: fix sparse warnings for caif_flow_cb ax88179_178a: ASIX AX88179_178A USB 3.0/2.0 to gigabit ethernet adapter driver sctp: use the passed in gfp flags instead GFP_KERNEL ipv[4|6]: correct dropwatch false positive in local_deliver_finish l2tp: Restore socket refcount when sendmsg succeeds net/phy: micrel: Disable asymmetric pause for KSZ9021 bgmac: omit the fcs phy: Fix phy_device_free memory leak bnx2x: Fix KR2 work-around condition ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull irq fixes and cleanups from Thomas Gleixner: "Commit e5ab012c ("nohz: Make tick_nohz_irq_exit() irq safe") is the first commit in the series and the minimal necessary bugfix, which needs to go back into stable. The remanining commits enforce irq disabling in irq_exit(), sanitize the hardirq/softirq preempt count transition and remove a bunch of no longer necessary conditionals." I personally love getting rid of the very subtle and confusing IRQ_EXIT_OFFSET thing. Even apart from the whole "more lines removed than added" thing. * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irq: Don't re-enable interrupts at the end of irq_exit irq: Remove IRQ_EXIT_OFFSET workaround Revert "nohz: Make tick_nohz_irq_exit() irq safe" irq: Sanitize invoke_softirq irq: Ensure irq_exit() code runs with interrupts disabled nohz: Make tick_nohz_irq_exit() irq safe
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull smpboot bugfix from Thomas Gleixner: "A single bugfix for a regression introduced with the conversion of the stop machine threads to the generic smpboot thread management facility" * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: stop_machine: Mark per cpu stopper enabled early
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git://git.secretlab.ca/git/linux由 Linus Torvalds 提交于
Pull second round of GPIO changes from Grant Likely: "This branch contains a few bug fixes that I missed the first time around and updates to the gpio_desc series included in the first pull request. This tag has been retagged to drop the 2 head commits because the one of them caused a build failure." * tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux: gpio/gpio-ich: fix ichx_gpio_check_available() return what callers expect gpiolib: move comment to right function gpiolib: use const parameters when possible gpiolib: check descriptors validity before use
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git://neil.brown.name/md由 Linus Torvalds 提交于
Pull md updates from NeilBrown: "Mostly little bugfixes. Only "feature" is a new RAID10 layout which slightly improves the number of sets of devices that can concurrently fail, without data loss." * tag 'md-3.9' of git://neil.brown.name/md: md: expedite metadata update when switching read-auto -> active md: remove CONFIG_MULTICORE_RAID456 md/raid1,raid10: fix deadlock with freeze_array() md/raid0: improve error message when converting RAID4-with-spares to RAID0 md: raid0: fix error return from create_stripe_zones. md: fix two bugs when attempting to resize RAID0 array. DM RAID: Add support for MD's RAID10 "far" and "offset" algorithms MD RAID10: Improve redundancy for 'far' and 'offset' algorithms (part 2) MD RAID10: Improve redundancy for 'far' and 'offset' algorithms (part 1) MD RAID10: Minor non-functional code changes md: raid1,10: Handle REQ_WRITE_SAME flag in write bios md: protect against crash upon fsync on ro array
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- 05 3月, 2013 18 次提交
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由 Michael Neuling 提交于
We support DSCR (Data Stream Control Register) so we should make sure we set it in the FSCR (Facility Status & Control Register) incase some firmwares don't set it. If we don't set this, we'll take a facility unavailable exception when using the DSCR. Signed-off-by: NMichael Neuling <mikey@neuling.org> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Michael Neuling 提交于
This sets the DSCR (Data Stream Control Register) in the FSCR (Facility Status & Control Register). Also harmonise TAR (Target Address Register) FSCR bit definition too. Signed-off-by: NMichael Neuling <mikey@neuling.org> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Michael Neuling 提交于
Currently we only set the FSCR (Facility Status and Control Register) when HV=1 but this feature is available when HV=0 also. This patch sets FSCR when HV=0. Also, we currently only set the FSCR on the master CPU. This patch also sets the FSCR on secondary CPUs. Signed-off-by: NMichael Neuling <mikey@neuling.org> cc: Ian Munsie <imunsie@au1.ibm.com> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Tony Breeds 提交于
Since kmp takes 2 unsigned long args there should be a compat wrapper. Since one isn't provided I think it's safer just to hook this up to not implemented. If we need it later we can do it properly then. Signed-off-by: NTony Breeds <tony@bakeyournoodle.com> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Akinobu Mita 提交于
The BITOP_LE_SWIZZLE macro was used in the little-endian bitops functions for powerpc. But these functions were converted to generic bitops and the BITOP_LE_SWIZZLE is not used anymore. Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Michael Neuling 提交于
Currently we use the link register to branch up high in the early MMU on syscall entry path. Unfortunately, this trashes the link stack as the address we are going to is not associated with the earlier mflr. This patch simply converts us to used the count register (volatile over syscalls anyway) instead. This is much better at predicting in this scenario and doesn't trash link stack causing a bunch of additional branch mispredicts later. Benchmarking this on POWER8 saves a bunch of cycles on Anton's null syscall benchmark here: http://ozlabs.org/~anton/junkcode/null_syscall.cSigned-off-by: NMichael Neuling <mikey@neuling.org> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Chen Gang 提交于
when strlen pi->location_code is larger than HVCS_CLC_LENGTH + 1, original implementation can not let hvcsd->p_location_code NUL terminated. so need fix it (also can simplify the code) Signed-off-by: NChen Gang <gang.chen@asianux.com> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Chen Gang 提交于
the dest buf len is 80 (HVCS_CLC_LENGTH + 1). the src buf len is PAGE_SIZE. if src buf string len is more than 80, it will cause issue. Signed-off-by: NChen Gang <gang.chen@asianux.com> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Tony Breeds 提交于
When building with CRYPTO_SHA1_PPC enabled we fail with: powerpc/crypto/sha1-powerpc-asm.S: Assembler messages: powerpc/crypto/sha1-powerpc-asm.S:116: Error: can't resolve `0' {*ABS* section} - `STACKFRAMESIZE' {*UND* section} powerpc/crypto/sha1-powerpc-asm.S:116: Error: expression too complex powerpc/crypto/sha1-powerpc-asm.S:178: Error: unsupported relocation against STACKFRAMESIZE Use INT_FRAME_SIZE instead of STACKFRAMESIZE. Signed-off-by: NTony Breeds <tony@bakeyournoodle.com> Tested-by: NChristian Kujau <lists@nerdbynature.de> Signed-off-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
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由 Rusty Russell 提交于
virtio_rng feeds the randomness buffer handed by the core directly into the scatterlist, since commit bb347d98. However, if CONFIG_HW_RANDOM=m, the static buffer isn't a linear address (at least on most archs). We could fix this in virtio_rng, but it's actually far easier to just do it in the core as virtio_rng would have to allocate a buffer every time (it doesn't know how much the core will want to read). Reported-by: NAurelien Jarno <aurelien@aurel32.net> Tested-by: NAurelien Jarno <aurelien@aurel32.net> Signed-off-by: NRusty Russell <rusty@rustcorp.com.au> Cc: stable@kernel.org
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由 Neal Cardwell 提交于
We should not update ts_recent and call tcp_rcv_rtt_measure_ts() both before and after going to step5. That wastes CPU and double-counts the receiver-side RTT sample. Signed-off-by: NNeal Cardwell <ncardwell@google.com> Acked-by: NEric Dumazet <edumazet@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Silviu-Mihai Popescu 提交于
This fixes the following sparse warning: net/caif/caif_usb.c:84:16: warning: symbol 'cfusbl_create' was not declared. Should it be static? Signed-off-by: NSilviu-Mihai Popescu <silviupopescu1990@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Cong Wang 提交于
Cc: David S. Miller <davem@davemloft.net> Cc: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com> Signed-off-by: NCong Wang <amwang@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Frank Li 提交于
build error cause by Commit ff43da86 ("NET: FEC: dynamtic check DMA desc buff type") drivers/net/ethernet/freescale/fec.c: In function ‘fec_enet_get_nextdesc’: drivers/net/ethernet/freescale/fec.c:215:18: error: invalid use of undefined type ‘struct bufdesc_ex’ drivers/net/ethernet/freescale/fec.c: In function ‘fec_enet_get_prevdesc’: drivers/net/ethernet/freescale/fec.c:224:18: error: invalid use of undefined type ‘struct bufdesc_ex’ drivers/net/ethernet/freescale/fec.c: In function ‘fec_enet_start_xmit’: drivers/net/ethernet/freescale/fec.c:286:37: error: arithmetic on pointer to an incomplete type drivers/net/ethernet/freescale/fec.c:287:13: error: arithmetic on pointer to an incomplete type drivers/net/ethernet/freescale/fec.c:324:7: error: dereferencing pointer to incomplete type etc.... Signed-off-by: NFrank Li <Frank.Li@freescale.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Lorenzo Colitti 提交于
Setting net.ipv6.conf.<interface>.accept_ra=2 causes the kernel to accept RAs even when forwarding is enabled. However, enabling forwarding purges all default routes on the system, breaking connectivity until the next RA is received. Fix this by not purging default routes on interfaces that have accept_ra=2. Signed-off-by: NLorenzo Colitti <lorenzo@google.com> Acked-by: NYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Acked-by: NEric Dumazet <edumazet@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Frank Li 提交于
up stack ndo_start_xmit already hold lock. fec_enet_start_xmit needn't spin lock. stat_xmit just update fep->cur_tx fec_enet_tx just update fep->dirty_tx Reserve a empty bdb to check full or empty cur_tx == dirty_tx means full cur_tx == dirty_tx +1 means empty So needn't is_full variable. Fix spin lock deadlock ================================= [ INFO: inconsistent lock state ] 3.8.0-rc5+ #107 Not tainted --------------------------------- inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. ptp4l/615 [HC1[1]:SC0[0]:HE0:SE1] takes: (&(&list->lock)->rlock#3){?.-...}, at: [<8042c3c4>] skb_queue_tail+0x20/0x50 {HARDIRQ-ON-W} state was registered at: [<80067250>] mark_lock+0x154/0x4e8 [<800676f4>] mark_irqflags+0x110/0x1a4 [<80069208>] __lock_acquire+0x494/0x9c0 [<80069ce8>] lock_acquire+0x90/0xa4 [<80527ad0>] _raw_spin_lock_bh+0x44/0x54 [<804877e0>] first_packet_length+0x38/0x1f0 [<804879e4>] udp_poll+0x4c/0x5c [<804231f8>] sock_poll+0x24/0x28 [<800d27f0>] do_poll.isra.10+0x120/0x254 [<800d36e4>] do_sys_poll+0x15c/0x1e8 [<800d3828>] sys_poll+0x60/0xc8 [<8000e780>] ret_fast_syscall+0x0/0x3c *** DEADLOCK *** 1 lock held by ptp4l/615: #0: (&(&fep->hw_lock)->rlock){-.-...}, at: [<80355f9c>] fec_enet_tx+0x24/0x268 stack backtrace: Backtrace: [<800121e0>] (dump_backtrace+0x0/0x10c) from [<80516210>] (dump_stack+0x18/0x1c) r6:8063b1fc r5:bf38b2f8 r4:bf38b000 r3:bf38b000 [<805161f8>] (dump_stack+0x0/0x1c) from [<805189d0>] (print_usage_bug.part.34+0x164/0x1a4) [<8051886c>] (print_usage_bug.part.34+0x0/0x1a4) from [<80518a88>] (print_usage_bug+0x78/0x88) r8:80065664 r7:bf38b2f8 r6:00000002 r5:00000000 r4:bf38b000 [<80518a10>] (print_usage_bug+0x0/0x88) from [<80518b58>] (mark_lock_irq+0xc0/0x270) r7:bf38b000 r6:00000002 r5:bf38b2f8 r4:00000000 [<80518a98>] (mark_lock_irq+0x0/0x270) from [<80067270>] (mark_lock+0x174/0x4e8) [<800670fc>] (mark_lock+0x0/0x4e8) from [<80067744>] (mark_irqflags+0x160/0x1a4) [<800675e4>] (mark_irqflags+0x0/0x1a4) from [<80069208>] (__lock_acquire+0x494/0x9c0) r5:00000002 r4:bf38b2f8 [<80068d74>] (__lock_acquire+0x0/0x9c0) from [<80069ce8>] (lock_acquire+0x90/0xa4) [<80069c58>] (lock_acquire+0x0/0xa4) from [<805278d8>] (_raw_spin_lock_irqsave+0x4c/0x60) [<8052788c>] (_raw_spin_lock_irqsave+0x0/0x60) from [<8042c3c4>] (skb_queue_tail+0x20/0x50) r6:bfbb2180 r5:bf1d0190 r4:bf1d0184 [<8042c3a4>] (skb_queue_tail+0x0/0x50) from [<8042c4cc>] (sock_queue_err_skb+0xd8/0x188) r6:00000056 r5:bfbb2180 r4:bf1d0000 r3:00000000 [<8042c3f4>] (sock_queue_err_skb+0x0/0x188) from [<8042d15c>] (skb_tstamp_tx+0x70/0xa0) r6:bf0dddb0 r5:bf1d0000 r4:bfbb2180 r3:00000004 [<8042d0ec>] (skb_tstamp_tx+0x0/0xa0) from [<803561d0>] (fec_enet_tx+0x258/0x268) r6:c089d260 r5:00001c00 r4:bfbd0000 [<80355f78>] (fec_enet_tx+0x0/0x268) from [<803562cc>] (fec_enet_interrupt+0xec/0xf8) [<803561e0>] (fec_enet_interrupt+0x0/0xf8) from [<8007d5b0>] (handle_irq_event_percpu+0x54/0x1a0) [<8007d55c>] (handle_irq_event_percpu+0x0/0x1a0) from [<8007d740>] (handle_irq_event+0x44/0x64) [<8007d6fc>] (handle_irq_event+0x0/0x64) from [<80080690>] (handle_fasteoi_irq+0xc4/0x15c) r6:bf0dc000 r5:bf811290 r4:bf811240 r3:00000000 [<800805cc>] (handle_fasteoi_irq+0x0/0x15c) from [<8007ceec>] (generic_handle_irq+0x28/0x38) r5:807130c8 r4:00000096 [<8007cec4>] (generic_handle_irq+0x0/0x38) from [<8000f16c>] (handle_IRQ+0x54/0xb4) r4:8071d280 r3:00000180 [<8000f118>] (handle_IRQ+0x0/0xb4) from [<80008544>] (gic_handle_irq+0x30/0x64) r8:8000e924 r7:f4000100 r6:bf0ddef8 r5:8071c974 r4:f400010c r3:00000000 [<80008514>] (gic_handle_irq+0x0/0x64) from [<8000e2e4>] (__irq_svc+0x44/0x5c) Exception stack(0xbf0ddef8 to 0xbf0ddf40) Signed-off-by: NFrank Li <Frank.Li@freescale.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Cong Wang 提交于
Don't definite its own MAX_KMALLOC_SIZE, use the one defined in mm. Cc: Vlad Yasevich <vyasevich@gmail.com> Cc: Sridhar Samudrala <sri@us.ibm.com> Cc: Neil Horman <nhorman@tuxdriver.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: NCong Wang <amwang@redhat.com> Acked-by: NNeil Horman <nhorman@tuxdriver.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Cong Wang 提交于
Dave Jones reported the following bug: "When fed mangled socket data, rds will trust what userspace gives it, and tries to allocate enormous amounts of memory larger than what kmalloc can satisfy." WARNING: at mm/page_alloc.c:2393 __alloc_pages_nodemask+0xa0d/0xbe0() Hardware name: GA-MA78GM-S2H Modules linked in: vmw_vsock_vmci_transport vmw_vmci vsock fuse bnep dlci bridge 8021q garp stp mrp binfmt_misc l2tp_ppp l2tp_core rfcomm s Pid: 24652, comm: trinity-child2 Not tainted 3.8.0+ #65 Call Trace: [<ffffffff81044155>] warn_slowpath_common+0x75/0xa0 [<ffffffff8104419a>] warn_slowpath_null+0x1a/0x20 [<ffffffff811444ad>] __alloc_pages_nodemask+0xa0d/0xbe0 [<ffffffff8100a196>] ? native_sched_clock+0x26/0x90 [<ffffffff810b2128>] ? trace_hardirqs_off_caller+0x28/0xc0 [<ffffffff810b21cd>] ? trace_hardirqs_off+0xd/0x10 [<ffffffff811861f8>] alloc_pages_current+0xb8/0x180 [<ffffffff8113eaaa>] __get_free_pages+0x2a/0x80 [<ffffffff811934fe>] kmalloc_order_trace+0x3e/0x1a0 [<ffffffff81193955>] __kmalloc+0x2f5/0x3a0 [<ffffffff8104df0c>] ? local_bh_enable_ip+0x7c/0xf0 [<ffffffffa0401ab3>] rds_message_alloc+0x23/0xb0 [rds] [<ffffffffa04043a1>] rds_sendmsg+0x2b1/0x990 [rds] [<ffffffff810b21cd>] ? trace_hardirqs_off+0xd/0x10 [<ffffffff81564620>] sock_sendmsg+0xb0/0xe0 [<ffffffff810b2052>] ? get_lock_stats+0x22/0x70 [<ffffffff810b24be>] ? put_lock_stats.isra.23+0xe/0x40 [<ffffffff81567f30>] sys_sendto+0x130/0x180 [<ffffffff810b872d>] ? trace_hardirqs_on+0xd/0x10 [<ffffffff816c547b>] ? _raw_spin_unlock_irq+0x3b/0x60 [<ffffffff816cd767>] ? sysret_check+0x1b/0x56 [<ffffffff810b8695>] ? trace_hardirqs_on_caller+0x115/0x1a0 [<ffffffff81341d8e>] ? trace_hardirqs_on_thunk+0x3a/0x3f [<ffffffff816cd742>] system_call_fastpath+0x16/0x1b ---[ end trace eed6ae990d018c8b ]--- Reported-by: NDave Jones <davej@redhat.com> Cc: Dave Jones <davej@redhat.com> Cc: David S. Miller <davem@davemloft.net> Cc: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com> Signed-off-by: NCong Wang <amwang@redhat.com> Acked-by: NVenkat Venkatsubra <venkat.x.venkatsubra@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 04 3月, 2013 4 次提交
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由 Linus Torvalds 提交于
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git://git.infradead.org/users/dhowells/linux-headers由 Linus Torvalds 提交于
Pull fbdev UAPI disintegration from David Howells: "You'll be glad to here that the end is nigh for the UAPI patches. Only the fbdev/framebuffer piece remains now that the SCSI stuff has gone in. Here are the UAPI disintegration bits for the fbdev drivers. It appears that Florian hasn't had time to deal with my patch, but back in December he did say he didn't mind if I pushed it forward." Yay. No more uapi movement. And hopefully no more big header file cleanups coming up either, it just tends to be very painful. * tag 'disintegrate-fbdev-20121220' of git://git.infradead.org/users/dhowells/linux-headers: UAPI: (Scripted) Disintegrate include/video
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由 Linus Torvalds 提交于
Merge tag 'stable/for-linus-3.9-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen Pull Xen bug-fixes from Konrad Rzeszutek Wilk: - Update the Xen ACPI memory and CPU hotplug locking mechanism. - Fix PAT issues wherein various applications would not start - Fix handling of multiple MSI as AHCI now does it. - Fix ARM compile failures. * tag 'stable/for-linus-3.9-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xenbus: fix compile failure on ARM with Xen enabled xen/pci: We don't do multiple MSI's. xen/pat: Disable PAT using pat_enabled value. xen/acpi: xen cpu hotplug minor updates xen/acpi: xen memory hotplug minor updates
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs由 Linus Torvalds 提交于
Pull more VFS bits from Al Viro: "Unfortunately, it looks like xattr series will have to wait until the next cycle ;-/ This pile contains 9p cleanups and fixes (races in v9fs_fid_add() etc), fixup for nommu breakage in shmem.c, several cleanups and a bit more file_inode() work" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: constify path_get/path_put and fs_struct.c stuff fix nommu breakage in shmem.c cache the value of file_inode() in struct file 9p: if v9fs_fid_lookup() gets to asking server, it'd better have hashed dentry 9p: make sure ->lookup() adds fid to the right dentry 9p: untangle ->lookup() a bit 9p: double iput() in ->lookup() if d_materialise_unique() fails 9p: v9fs_fid_add() can't fail now v9fs: get rid of v9fs_dentry 9p: turn fid->dlist into hlist 9p: don't bother with private lock in ->d_fsdata; dentry->d_lock will do just fine more file_inode() open-coded instances selinux: opened file can't have NULL or negative ->f_path.dentry (In the meantime, the hlist traversal macros have changed, so this required a semantic conflict fixup for the newly hlistified fid->dlist)
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