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2012-12-05arm64: compat for clock_adjtime(2) is miswiredAl Viro
struct timex is different on arm and arm64; adjtimex(2) takes care to convert, clock_adjtime(2) doesn't... Signed-off-by: Al Viro <viro@ZenIV.linux.org.uk> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Cc: <stable@vger.kernel.org>
2012-12-05arm64: move FP-SIMD save/restore code to a macroMarc Zyngier
In order to be able to reuse the save-restore code in KVM, move it to a pair of macros, similar to what the 32bit code does. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-12-05arm64: hyp: initialize vttbr_el2 to zeroMarc Zyngier
The architecture doesn't mandate any reset value for vttbr_el2. Better set it to a known value before some HYP code gets confused. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-12-05arm64: add hypervisor stubMarc Zyngier
If booted in EL2, install an dummy hypervisor whose only purpose is to be replaced by a full fledged one. A minimal API allows to: - obtain the current HYP vectors (__hyp_get_vectors) - set new HYP vectors (__hyp_set_vectors) Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-12-05arm64: record boot mode when entering the kernelMarc Zyngier
To be able to signal the availability of EL2 to other parts of the kernel, record the boot mode. Once booted, two predicates indicate if HYP mode is available, and if not, whether this is due to a boot mode mismatch or not. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-12-05arm64: move vector entry macro to assembler.hMarc Zyngier
This macro is also useful to other bits defining vectors (hypervisor stub, KVM...). Move it to a common location. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-12-05arm64: add AArch32 execution modes to ptrace.hMarc Zyngier
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-12-05arm64: expand register mapping between AArch32 and AArch64Marc Zyngier
The general purpose registers in AArch32 are mapped in an architecturally defined manner into the AArch64 registers. It allows the AArch32 registers of an application or a virtual machine to be inspected by the OS or an hypervisor. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-12-05arm64: generic timer: use virtual counter instead of physical at EL0Will Deacon
We want to use the virtual counter at EL0, as the physical counter may not track the current clocksource for guests running under a hypervisor. This patch updates the vdso and generic timer driver to use the virtual counter. The kernel EL2 entry code is also updated to ensure that the virtual offset is initialised to zero. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-12-05arm64: vdso: defer shifting of nanosecond component of timespecWill Deacon
Shifting the nanosecond component of the computed timespec early can lead to sub-ns inaccuracies when using the truncated value as input to further arithmetic for things like conversions to monotonic time. This patch defers the timespec shifting until after the final value has been computed. Reported-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-12-05arm64: vdso: rework __do_get_tspec register allocation and return shiftWill Deacon
In preparation for sub-ns precision in the vdso timespec maths, change the __do_get_tspec register allocation so that we return the clocksource shift value instead of the unused xtime tspec. Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-12-05arm64: vdso: check sequence counter even for coarse realtime operationsWill Deacon
When returning coarse realtime values from clock_gettime, we must still check the sequence counter to ensure that the kernel does not update the vdso datapage whilst we are loading the coarse timespec as this could potentially result in time appearing to go backwards. This patch delays the coarse realtime check until after we have loaded successfully from the vdso datapage. This does mean that we always load the wtm timespec, but conditionalising the load and adding an extra sequence test is unlikely to buy us anything other than messy code, particularly as the sequence test implies a read barrier. Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-12-05arm64: vdso: fix clocksource mask when extracting bottom 56 bitsWill Deacon
The generic timer clocksource has 56 bits of precision and as such must be masked appropriately after we have read it. The current mask generated by a movn instruction is off by 4 bits, so we accidentally include the top 4 bits in the final value. This patch fixes the broken mask. Acked-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-12-05ACPI / PM: Fix header of acpi_dev_pm_detach() in acpi.hRafael J. Wysocki
The header of acpi_dev_pm_detach() in include/linux/acpi.h has an incorrect return type, which should be void. Fix that. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2012-12-05Revert: "rt2x00: Don't let mac80211 send a BAR when an AMPDU subframe fails"Stanislaw Gruszka
This revert: commit be03d4a45c09ee5100d3aaaedd087f19bc20d01f Author: Andreas Hartmann <andihartmann@01019freenet.de> Date: Tue Apr 17 00:25:28 2012 +0200 rt2x00: Don't let mac80211 send a BAR when an AMPDU subframe fails To fix problem workaround by above commit use IEEE80211_HW_TEARDOWN_AGGR_ON_BAR_FAIL flag (see change log for "mac80211: introduce IEEE80211_HW_TEARDOWN_AGGR_ON_BAR_FAIL" patch). Resolve: https://bugzilla.kernel.org/show_bug.cgi?id=42828 Bisected-by: Francisco Pina Martins <f.pinamartins@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-12-05mac80211: introduce IEEE80211_HW_TEARDOWN_AGGR_ON_BAR_FAILStanislaw Gruszka
Commit f0425beda4d404a6e751439b562100b902ba9c98 "mac80211: retry sending failed BAR frames later instead of tearing down aggr" caused regression on rt2x00 hardware (connection hangs). This regression was fixed by commit be03d4a45c09ee5100d3aaaedd087f19bc20d01 "rt2x00: Don't let mac80211 send a BAR when an AMPDU subframe fails". But the latter commit caused yet another problem reported in https://bugzilla.kernel.org/show_bug.cgi?id=42828#c22 After long discussion in this thread: http://mid.gmane.org/20121018075615.GA18212@redhat.com and testing various alternative solutions, which failed on one or other setup, we have no other good fix for the issues like just revert both mentioned earlier commits. To do not affect other hardware which benefit from commit f0425beda4d404a6e751439b562100b902ba9c98, instead of reverting it, introduce flag that when used will restore mac80211 behaviour before the commit. Cc: stable@vger.kernel.org Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> [replaced link with mid.gmane.org that has message-id] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-12-05mac80211: add debug file for mic failureSaravana
The mic failure count provides the number of mic failures that have happened on a given key (without a countermeasure being started, since that would remove the key). Signed-off-by: Saravana <saravanad@posedge.com> [fix NULL pointer issues] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-12-05ASN.1: Fix an indefinite length skip errorDavid Howells
Fix an error in asn1_find_indefinite_length() whereby small definite length elements of size 0x7f are incorrecly classified as non-small. Without this fix, an error will be given as the length of the length will be perceived as being very much greater than the maximum supported size. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-12-05MODSIGN: Don't use enum-type bitfields in module signature info blockDavid Howells
Don't use enum-type bitfields in the module signature info block as we can't be certain how the compiler will handle them. As I understand it, it is arch dependent, and it is possible for the compiler to rearrange them based on endianness and to insert a byte of padding to pad the three enums out to four bytes. Instead use u8 fields for these, which the compiler should emit in the right order without padding. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-12-04ACPI / video: ignore BIOS initial backlight value for HP Folio 13-2000Zhang Rui
Or else the laptop will boot with a dimmed screen. References: https://bugzilla.kernel.org/show_bug.cgi?id=51141 Tested-by: Stefan Nagy <public@stefan-nagy.at> Signed-off-by: Zhang Rui <rui.zhang@intel.com> Cc: <stable@vger.kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2012-12-04ACPI : do not use Lid and Sleep button for S5 wakeupZhang Rui
When system enters power off, the _PSW of Lid device is enabled. But this may cause the system to reboot instead of power off. A proper way to fix this is to always disable lid wakeup capability for S5. References: https://bugzilla.kernel.org/show_bug.cgi?id=35262 Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2012-12-04cfg80211: check no-OFDM flag for channels wider than 20 MHzJohannes Berg
For channels wider than 20 MHz OFDM will be used, so when checking whether or not a channel is usable, check for the no-OFDM flag if the channel is wider than 20 MHz. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-12-04ipv6: Protect ->mc_forwarding access with CONFIG_IPV6_MROUTEDavid S. Miller
Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04watchdog: Fix CPU hotplug regressionThomas Gleixner
Norbert reported: "3.7-rc6 booted with nmi_watchdog=0 fails to suspend to RAM or offline CPUs. It's reproducable with a KVM guest and physical system." The reason is that commit bcd951cf(watchdog: Use hotplug thread infrastructure) missed to take this into account. So the cpu offline code gets stuck in the teardown function because it accesses non initialized data structures. Add a check for watchdog_enabled into that path to cure the issue. Reported-and-tested-by: Norbert Warmuth <nwarmuth@t-online.de> Tested-by: Joseph Salisbury <joseph.salisbury@canonical.com> Link: http://lkml.kernel.org/r/alpine.LFD.2.02.1211231033230.2701@ionos Link: http://bugs.launchpad.net/bugs/1079534 Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2012-12-04clk: ux500: fix bit errorLinus Walleij
This fixes a bit error in the U8500 clock implementation: the unused p2_pclk12 registered at bit 12 in periphereral group 6 was defined as using bit 11 rather than bit 12. When walking over and disabling the unused clocks in the tree at late init time, p2_pclk12 was disabled, by effectively clearing the but for p2_pclk11 instead of bit 12 as it should have, thus disabling gpio block 6 and 7. Reported-by: Lee Jones <lee.jones@linaro.org> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Cc: Philippe Begnic <philippe.begnic@st.com> Cc: stable@kernel.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Mike Turquette <mturquette@linaro.org>
2012-12-04ip6mr: fix rtm_family of rtnl msgNicolas Dichtel
We talk about IPv6, hence the family is RTNL_FAMILY_IP6MR! rtnl_register() is already called with RTNL_FAMILY_IP6MR. The bug is here since the beginning of this function (commit 5b285cac3570). Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04net: dev_change_net_namespace: send a KOBJ_REMOVED/KOBJ_ADDSerge Hallyn
When a new nic is created in namespace ns1, the kernel sends a KOBJ_ADD uevent to ns1. When the nic is moved to ns2, we only send a KOBJ_MOVE to ns2, and nothing to ns1. This patch changes that behavior so that when moving a nic from ns1 to ns2, we send a KOBJ_REMOVED to ns1 and KOBJ_ADD to ns2. (The KOBJ_MOVE is still sent to ns2). The effects of this can be seen when starting and stopping containers in an upstart based host. Lxc will create a pair of veth nics, the kernel sends KOBJ_ADD, and upstart starts network-instance jobs for each. When one nic is moved to the container, because no KOBJ_REMOVED event is received, the network-instance job for that veth never goes away. This was reported at https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1065589 With this patch the networ-instance jobs properly go away. The other oddness solved here is that if a nic is passed into a running upstart-based container, without this patch no network-instance job is started in the container. But when the container creates a new nic itself (ip link add new type veth) then network-interface jobs are created. With this patch, behavior comes in line with a regular host. v2: also send KOBJ_ADD to new netns. There will then be a _MOVE event from the device_rename() call, but that should be innocuous. Signed-off-by: Serge Hallyn <serge.hallyn@canonical.com> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> Acked-by: Daniel Lezcano <daniel.lezcano@free.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04net: neterion: use for_each_pci_dev to simplify the codeWei Yongjun
Use for_each_pci_dev to simplify the code. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04ip6mr: advertise new mfc entries via rtnlNicolas Dichtel
This patch allows to monitor mf6c activities via rtnetlink. To avoid parsing two times the mf6c oifs, we use maxvif to allocate the rtnl msg, thus we may allocate some superfluous space. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04ipmr: advertise new mfc entries via rtnlNicolas Dichtel
This patch allows to monitor mfc activities via rtnetlink. To avoid parsing two times the mfc oifs, we use maxvif to allocate the rtnl msg, thus we may allocate some superfluous space. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04ipmr/ip6mr: allow to get unresolved cache via netlinkNicolas Dichtel
/proc/net/ip[6]_mr_cache allows to get all mfc entries, even if they are put in the unresolved list (mfc[6]_unres_queue). But only the table RT_TABLE_DEFAULT is displayed. This patch adds the parsing of the unresolved list when the dump is made via rtnetlink, hence each table can be checked. In IPv6, we set rtm_type in ip6mr_fill_mroute(), because in case of unresolved mfc __ip6mr_fill_mroute() will not set it. In IPv4, it is already done. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04ipmr/ip6mr: report origin of mfc entry into rtnl msgNicolas Dichtel
A mfc entry can be static or not (added via the mroute_sk socket). The patch reports MFC_STATIC flag into rtm_protocol by setting rtm_protocol to RTPROT_STATIC or RTPROT_MROUTED. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04ipmr/ip6mr: advertise mfc stats via rtnetlinkNicolas Dichtel
These statistics can be checked only via /proc/net/ip_mr_cache or SIOCGETSGCNT[_IN6] and thus only for the table RT_TABLE_DEFAULT. Advertising them via rtnetlink allows to get statistics for all cache entries, whatever the table is. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04ip6mr: use nla_nest_* helpersNicolas Dichtel
This patch removes the skb manipulations when nested attributes are added by using standard helpers. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04netconf: advertise mc_forwarding statusNicolas Dichtel
This patch advertise the MC_FORWARDING status for IPv4 and IPv6. This field is readonly, only multicast engine in the kernel updates it. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04Merge branch 'master' of git://1984.lsi.us.es/nf-nextDavid S. Miller
Pablo Neira Ayuso says: ==================== * Remove limitation in the maximum number of supported sets in ipset. Now ipset automagically increments the number of slots in the array of sets by 64 new spare slots, from Jozsef Kadlecsik. * Partially remove the generic queue infrastructure now that ip_queue is gone. Its only client is nfnetlink_queue now, from Florian Westphal. * Add missing attribute policy checkings in ctnetlink, from Florian Westphal. * Automagically kill conntrack entries that use the wrong output interface for the masquerading case in case of routing changes, from Jozsef Kadlecsik. * Two patches two improve ct object traceability. Now ct objects are always placed in any of the existing lists. This allows us to dump the content of unconfirmed and dying conntracks via ctnetlink as a way to provide more instrumentation in case you suspect leaks, from myself. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04qlcnic: rename module params with module_param_namedSony Chacko
Add qlcnic prefix to qlcnic driver module parameters. Signed-off-by: Sony Chacko <sony.chacko@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04qlcnic: fix bug in LRO descriptor access macroSony Chacko
Signed-off-by: Sony Chacko <sony.chacko@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04qlcnic: update NIC partition interface routinesSony Chacko
Refactor 82xx driver to support new adapter Update routines to support variable number of NIC partitions Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com> Signed-off-by: Sony Chacko <sony.chacko@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04qlcnic: get board name APISony Chacko
Cleanup get board information API. Signed-off-by: Sony Chacko <sony.chacko@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04qlcnic: modify PCI and register access routinesSony Chacko
Refactor 82xx driver to support new adapter Update PCI and hardware access routines Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: Sony Chacko <sony.chacko@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04qlcnic: move HW specific data to seperate structureSony Chacko
Move HW specific data to a seperate structure as part of refactoring 82xx adapter driver. Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: Sony Chacko <sony.chacko@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04qlcnic: add 82xx adapter specific checksSony Chacko
Add 82xx adapter ID check before 82xx specific operations as part of refactoring the driver to enable support for new adapter. Signed-off-by: Sony Chacko <sony.chacko@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04tg3: PTP - Enable the timestamping feature in hardware and fill skb tx/rx ↵Matt Carlson
timestamps This patch implements the hardware timestamping as described in Documentation/networking/timestamping.txt Update version to 3.128. Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Cc: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04tg3: PTP - Add the hardware timestamp ioctlMatt Carlson
This patch implements the SIOCSHWTSTAMP ioctl as described in Documentation/networking/timestamping.txt [Removed HWTSTAMP_FILTER_ALL handling by returning -ERANGE based on input from Richard Cochran.] Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Cc: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04tg3: PTP - Implement the ptp api and ethtool functionsMatt Carlson
This patch adds the ptp_caps structure, ptp api implementation, reference clock read and register/unregister functions. All the basic clock operations as described in Documentation/ptp/ptp.txt are supported. Frequency adjustment is performed using hardware with a 24 bit accumulator and a programmable correction value. On each clk, the correction value gets added to the accumulator and when it overflows, the time counter is incremented/decremented and the accumulator reset. So conversion from ppb to correction value is ppb * (1 << 24) / 1000000000 [Re-organized to put the ptp_clock_info struct declaration in one patch, added ptp_clock_info.name, and added locking to tg3_ptp_adjtime() based on input from Richard Cochran.] Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Cc: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04tg3: PTP - Add header definitions, initialization and hw access functions.Matt Carlson
This patch adds code to write the reference clock. If a chip reset is performed, the hwclock is reinitialized with the adjusted kernel time Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Cc: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04tg3: Fix inconsistent locking for tg3_netif_start().Nithin Nayak Sujir
Every caller holds tp->lock when calling tg3_netif_start() except tg3_io_resume(). Fix it so that it is all consistent. The subsequent PTP patches add tg3_ptp_resume() to tg3_netif_start() and the tp->lock is required. Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-12-04Merge branch 'fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux Pull module fixes from Rusty Russell: "Module signing build fixes for blackfin and metag" * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: modsign: add symbol prefix to certificate list linux/kernel.h: define SYMBOL_PREFIX
2012-12-04Merge tag 'upstream-3.7-rc9' of git://git.infradead.org/linux-ubiLinus Torvalds
Pull UBI changes from Artem Bityutskiy: "Fixes for 2 brown-paperbag bugs introduced this merge window by the fastmap code: 1. The UBI background thread got stuck when a bit-flip happened because free LEBs was not removed from the "free" tree when we started using it. 2. I/O debugging checks did not work because we called a sleeping function in atomic context." * tag 'upstream-3.7-rc9' of git://git.infradead.org/linux-ubi: UBI: dont call ubi_self_check_all_ff() in __wl_get_peb() UBI: remove PEB from free tree in get_peb_for_wl()
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