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2016-09-07clk: bcm2835: Mark the VPU clock as criticalEric Anholt
The VPU clock is also the clock for our AXI bus, so we really can't disable it. This might have happened during boot if, for example, uart1 (aux_uart clock) probed and was then disabled before the other consumers of the VPU clock had probed. Signed-off-by: Eric Anholt <eric@anholt.net> Acked-by: Martin Sperl <kernel@martin.sperl.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-09-07nvme: Don't suspend admin queue that wasn't createdGabriel Krisman Bertazi
This fixes a regression in my previous commit c21377f8366c ("nvme: Suspend all queues before deletion"), which provoked an Oops in the removal path when removing a device that became IO incapable very early at probe (i.e. after a failed EEH recovery). Turns out, if the error occurred very early at the probe path, before even configuring the admin queue, we might try to suspend the uninitialized admin queue, accessing bad memory. Fixes: c21377f8366c ("nvme: Suspend all queues before deletion") Signed-off-by: Gabriel Krisman Bertazi <krisman@linux.vnet.ibm.com> Reviewed-by: Jay Freyensee <james_p_freyensee@linux.intel.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-09-07drm/i915: Add GEN7_PCODE_MIN_FREQ_TABLE_GT_RATIO_OUT_OF_RANGE to SNBChris Wilson
According to the CI test machines, SNB also uses the GEN7_PCODE_MIN_FREQ_TABLE_GT_RATIO_OUT_OF_RANGE value to report a bad GEN6_PCODE_MIN_FREQ_TABLE request. [ 157.744641] WARNING: CPU: 5 PID: 9238 at drivers/gpu/drm/i915/intel_pm.c:7760 sandybridge_pcode_write+0x141/0x200 [i915] [ 157.744642] Missing switch case (16) in gen6_check_mailbox_status [ 157.744642] Modules linked in: snd_hda_intel i915 ax88179_178a usbnet mii x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec snd_hwdep snd_hda_core mei_me lpc_ich snd_pcm mei broadcom bcm_phy_lib tg3 ptp pps_core [last unloaded: vgem] [ 157.744658] CPU: 5 PID: 9238 Comm: drv_hangman Tainted: G U W 4.8.0-rc3-CI-CI_DRM_1589+ #1 [ 157.744658] Hardware name: Dell Inc. XPS 8300 /0Y2MRG, BIOS A06 10/17/2011 [ 157.744659] 0000000000000000 ffff88011f093a98 ffffffff81426415 ffff88011f093ae8 [ 157.744662] 0000000000000000 ffff88011f093ad8 ffffffff8107d2a6 00001e50810d3c9f [ 157.744663] ffff880128680000 0000000000000008 0000000000000000 ffff88012868a650 [ 157.744665] Call Trace: [ 157.744669] [<ffffffff81426415>] dump_stack+0x67/0x92 [ 157.744672] [<ffffffff8107d2a6>] __warn+0xc6/0xe0 [ 157.744673] [<ffffffff8107d30a>] warn_slowpath_fmt+0x4a/0x50 [ 157.744685] [<ffffffffa0029831>] sandybridge_pcode_write+0x141/0x200 [i915] [ 157.744697] [<ffffffffa002a88a>] intel_enable_gt_powersave+0x64a/0x1330 [i915] [ 157.744712] [<ffffffffa006b4cb>] ? i9xx_emit_request+0x1b/0x80 [i915] [ 157.744725] [<ffffffffa0055ed3>] __i915_add_request+0x1e3/0x370 [i915] [ 157.744738] [<ffffffffa00428bd>] i915_gem_do_execbuffer.isra.16+0xced/0x1b80 [i915] [ 157.744740] [<ffffffff811a232e>] ? __might_fault+0x3e/0x90 [ 157.744752] [<ffffffffa0043b72>] i915_gem_execbuffer2+0xc2/0x2a0 [i915] [ 157.744753] [<ffffffff815485b7>] drm_ioctl+0x207/0x4c0 [ 157.744765] [<ffffffffa0043ab0>] ? i915_gem_execbuffer+0x360/0x360 [i915] [ 157.744767] [<ffffffff810ea4ad>] ? debug_lockdep_rcu_enabled+0x1d/0x20 [ 157.744769] [<ffffffff811fe09e>] do_vfs_ioctl+0x8e/0x680 [ 157.744770] [<ffffffff811a2377>] ? __might_fault+0x87/0x90 [ 157.744771] [<ffffffff811a232e>] ? __might_fault+0x3e/0x90 [ 157.744773] [<ffffffff810d3df2>] ? trace_hardirqs_on_caller+0x122/0x1b0 [ 157.744774] [<ffffffff811fe6cc>] SyS_ioctl+0x3c/0x70 [ 157.744776] [<ffffffff8180fe69>] entry_SYSCALL_64_fastpath+0x1c/0xac Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97491 Fixes: 87660502f1a4 ("drm/i915/gen6+: Interpret mailbox error flags") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Lyude <cpaul@redhat.com> Cc: Matt Roper <matthew.d.roper@intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: stable@vger.kernel.org Link: http://patchwork.freedesktop.org/patch/msgid/20160826105926.3413-1-chris@chris-wilson.co.uk Acked-by: Mika Kuoppala <mika.kuoppala@intel.com> (cherry picked from commit 7850d1c35344c7bd6a357240f2f9f60fc2c097b5) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2016-09-07brcmfmac: avoid potential stack overflow in brcmf_cfg80211_start_ap()Arend Van Spriel
User-space can choose to omit NL80211_ATTR_SSID and only provide raw IE TLV data. When doing so it can provide SSID IE with length exceeding the allowed size. The driver further processes this IE copying it into a local variable without checking the length. Hence stack can be corrupted and used as exploit. Cc: stable@vger.kernel.org # v4.7 Reported-by: Daxing Guo <freener.gdx@gmail.com> Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Reviewed-by: Franky Lin <franky.lin@broadcom.com> Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-07ath9k: bring back direction setting in ath9k_{start_stop}Giedrius Statkevičius
A regression was introduced in commit id 79d4db1214a ("ath9k: cleanup led_pin initial") that broken the WLAN status led on my laptop with AR9287 after suspending and resuming. Steps to reproduce: * Suspend (laptop) * Resume (laptop) * Observe that the WLAN led no longer turns ON/OFF depending on the status and is always red Even though for my case it only needs to be set to OUT in ath9k_start but for consistency bring back the IN direction setting as well. Fixes: 79d4db1214a0 ("ath9k: cleanup led_pin initial") Cc: Miaoqing Pan <miaoqing@codeaurora.org> Cc: Kalle Valo <kvalo@qca.qualcomm.com> Cc: <stable@vger.kernel.org> # 4.7+ Link: https://bugzilla.kernel.org/show_bug.cgi?id=151711 Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@gmail.com> [kvalo@qca.qualcomm.com: improve commit log] Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-09-07crypto: cryptd - initialize child shash_desc on importArd Biesheuvel
When calling .import() on a cryptd ahash_request, the structure members that describe the child transform in the shash_desc need to be initialized like they are when calling .init() Cc: stable@vger.kernel.org Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-09-07usb: dwc3: pci: fix build warning on !PM_SLEEPFelipe Balbi
When building a kernel with CONFIG_PM_SLEEP=n, we get the following warning: drivers/usb/dwc3/dwc3-pci.c:253:12: warning: 'dwc3_pci_pm_dummy' defined but not used In order to fix this, we should only define dwc3_pci_pm_dummy() when CONFIG_PM_SLEEP is defined. Fixes: f6c274e11e3b ("usb: dwc3: pci: runtime_resume child device") Reported-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-09-07Drivers: hv: vmbus: suppress some "hv_vmbus: Unknown GUID" warningsDexuan Cui
Some VMBus devices are not needed by Linux guest[1][2], and, VMBus channels of Hyper-V Sockets don't really mean usual synthetic devices, so let's suppress the warnings for them. [1] https://support.microsoft.com/en-us/kb/2925727 [2] https://msdn.microsoft.com/en-us/library/jj980180(v=winembedded.81).aspx Signed-off-by: Dexuan Cui <decui@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-07Driver: hv: vmbus: Make mmio resource localStephen Hemminger
This fixes a sparse warning because hyperv_mmio resources are only used in this one file and should be static. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-07usb: dwc3: Fix dr_mode validationThinh Nguyen
This patch follows the similar fix in dwc2. See commit 5268ed9d2e3b ("usb: dwc2: Fix dr_mode validation") Currently, the dr_mode is only checked against the module configuration. It also needs to be checked against the hardware capablities. The driver now checks if both the module configuration and hardware are capable of the dr_mode value. If not, then it will issue a warning and fall back to a supported value. If it is unable to fall back to a suitable value, then the probe will fail. Behavior summary: module : actual HW config dr_mode : dr_mode --------------------------------- host host any : host host dev any : INVALID host otg any : host dev host any : INVALID dev dev any : dev dev otg any : dev otg host any : host otg dev any : dev otg otg any : dr_mode Signed-off-by: Thinh Nguyen <thinhn@synopsys.com> Signed-off-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-09-07arm64: Use static keys for CPU featuresCatalin Marinas
This patch adds static keys transparently for all the cpu_hwcaps features by implementing an array of default-false static keys and enabling them when detected. The cpus_have_cap() check uses the static keys if the feature being checked is a constant, otherwise the compiler generates the bitmap test. Because of the early call to static_branch_enable() via check_local_cpu_errata() -> update_cpu_capabilities(), the jump labels are initialised in cpuinfo_store_boot_cpu(). Cc: Will Deacon <will.deacon@arm.com> Cc: Suzuki K. Poulose <Suzuki.Poulose@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
2016-09-07jump_labels: Allow array initialisersCatalin Marinas
The static key API is currently designed around single variable definitions. There are cases where an array of static keys is desirable, so extend the API to allow this rather than using the internal static key implementation directly. Cc: Jason Baron <jbaron@akamai.com> Cc: Jonathan Corbet <corbet@lwn.net> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Suggested-by: Dave P Martin <Dave.Martin@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
2016-09-07Revert "Drivers: hv: ring_buffer: count on wrap around mappings in ↵K. Y. Srinivasan
get_next_pkt_raw()" To deal with the merge conflict between net-next and char-misc trees, revert commit bb08d431a914 from char-misc tree. This commit can be rebased and applied once net-next picks up char-misc changes. Here is the commit log of the reverted patch: "With wrap around mappings in place we can always provide drivers with direct links to packets on the ring buffer, even when they wrap around. Do the required updates to get_next_pkt_raw()/put_pkt_raw()" Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-06Merge tag 'v4.9-rockchip-clk1' of ↵Stephen Boyd
git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into clk-next Pull rockchip clk driver updates from Heiko Stuebner: The biggest addition is probably the special clock-type for ddr clock control. While reading that clock is done the normal way from the registers, setting it always requires some sort of special handling to let the system survive this addition. As the commit message explains, there are currently 3 handling-types known. General SRAM-based code on rk3288 and before (which is waiting essentially for the PIE support that is currently being worked on), SCPI-based clk setting on the rk3368 through a coprocessor, which we might support once the support for legacy scpi-variants has matured and now on the rk3399 (and probably later) using a dcf controller that is controlled from the arm-trusted-firmware and gets accessed through firmware calls from the kernel. This is the variant we currently support, but the clock type is made to support the other variants in the future as well. Apart from that slightly bigger chunk, we have a mix of PLL rates, clock-ids and flags mainly for the rk3399. And interestingly an iomap fix for the legacy gate driver, where I hopefully could deter the submitter from actually using that in any new works. * tag 'v4.9-rockchip-clk1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip: clk: rockchip: use the dclk_vop_frac clock ids on rk3399 clk: rockchip: drop CLK_SET_RATE_PARENT from rk3399 fractional dividers clk: rockchip: add 2016M to big cpu clk rate table on rk3399 clk: rockchip: add rk3399 ddr clock support clk: rockchip: add dclk_vop_frac ids for rk3399 vop clk: rockchip: add new clock-type for the ddrclk soc: rockchip: add header for ddr rate SIP interface clk: rockchip: add SCLK_DDRC id for rk3399 ddrc clk: rockchip: handle of_iomap failures in legacy clock driver clk: rockchip: mark rk3399 hdcp_noc and vio_noc as critical clk: rockchip: use general clock flag when registering pll clk: rockchip: delete the CLK_IGNORE_UNUSED from aclk_pcie on rk3399 clk: rockchip: add 65MHz and 106.5MHz rates to rk3399 plls used for HDMI
2016-09-06MAINTAINERS: Add section for Renesas clock driversGeert Uytterhoeven
Add a section for Renesas clock drivers, as found on Renesas ARM SoCs, and list myself as the maintainer. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-09-06ipv6: addrconf: fix dev refcont leak when DAD failedWei Yongjun
In general, when DAD detected IPv6 duplicate address, ifp->state will be set to INET6_IFADDR_STATE_ERRDAD and DAD is stopped by a delayed work, the call tree should be like this: ndisc_recv_ns -> addrconf_dad_failure <- missing ifp put -> addrconf_mod_dad_work -> schedule addrconf_dad_work() -> addrconf_dad_stop() <- missing ifp hold before call it addrconf_dad_failure() called with ifp refcont holding but not put. addrconf_dad_work() call addrconf_dad_stop() without extra holding refcount. This will not cause any issue normally. But the race between addrconf_dad_failure() and addrconf_dad_work() may cause ifp refcount leak and netdevice can not be unregister, dmesg show the following messages: IPv6: eth0: IPv6 duplicate address fe80::XX:XXXX:XXXX:XX detected! ... unregister_netdevice: waiting for eth0 to become free. Usage count = 1 Cc: stable@vger.kernel.org Fixes: c15b1ccadb32 ("ipv6: move DAD and addrconf_verify processing to workqueue") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-06bnxt_en: Fix TX push operation on ARM64.Michael Chan
There is a code path where we are calling __iowrite64_copy() on an address that is not 64-bit aligned. This causes an exception on some architectures such as arm64. Fix that code path by using __iowrite32_copy(). Reported-by: JD Zheng <jiandong.zheng@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-06net: Don't delete routes in different VRFsMark Tomlinson
When deleting an IP address from an interface, there is a clean-up of routes which refer to this local address. However, there was no check to see that the VRF matched. This meant that deletion wasn't confined to the VRF it should have been. To solve this, a new field has been added to fib_info to hold a table id. When removing fib entries corresponding to a local ip address, this table id is also used in the comparison. The table id is populated when the fib_info is created. This was already done in some places, but not in ip_rt_ioctl(). This has now been fixed. Fixes: 021dd3b8a142 ("net: Add routes to the table associated with the device") Acked-by: David Ahern <dsa@cumulusnetworks.com> Tested-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: Mark Tomlinson <mark.tomlinson@alliedtelesis.co.nz> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-06net: smsc: remove build warning of duplicate definitionSudip Mukherjee
The build of m32r was giving warning: In file included from drivers/net/ethernet/smsc/smc91x.c:92:0: drivers/net/ethernet/smsc/smc91x.h:448:0: warning: "SMC_inb" redefined #define SMC_inb(ioaddr, reg) ({ BUG(); 0; }) drivers/net/ethernet/smsc/smc91x.h:106:0: note: this is the location of the previous definition #define SMC_inb(a, r) inb(((u32)a) + (r)) drivers/net/ethernet/smsc/smc91x.h:449:0: warning: "SMC_outb" redefined #define SMC_outb(x, ioaddr, reg) BUG() drivers/net/ethernet/smsc/smc91x.h:108:0: note: this is the location of the previous definition #define SMC_outb(v, a, r) outb(v, ((u32)a) + (r)) Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-06net: macb: initialize checksum when using checksum offloadingHelmut Buchsbaum
I'm still struggling to get this fix right.. Changes since v2: - do not blindly modify SKB contents according to Dave's legitimate objection Changes since v1: - dropped disabling HW checksum offload for Zynq - initialize checksum similar to net/ethernet/freescale/fec_main.c -- >8 -- MACB/GEM needs the checksum field initialized to 0 to get correct results on transmit in all cases, e.g. on Zynq, UDP packets with payload <= 2 otherwise contain a wrong checksums. Signed-off-by: Helmut Buchsbaum <helmut.buchsbaum@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-06xprtrdma: Fix receive buffer accountingChuck Lever
An RPC can terminate before its reply arrives, if a credential problem or a soft timeout occurs. After this happens, xprtrdma reports it is out of Receive buffers. A Receive buffer is posted before each RPC is sent, and returned to the buffer pool when a reply is received. If no reply is received for an RPC, that Receive buffer remains posted. But xprtrdma tries to post another when the next RPC is sent. If this happens a few dozen times, there are no receive buffers left to be posted at send time. I don't see a way for a transport connection to recover at that point, and it will spit warnings and unnecessarily delay RPCs on occasion for its remaining lifetime. Commit 1e465fd4ff47 ("xprtrdma: Replace send and receive arrays") removed a little bit of logic to detect this case and not provide a Receive buffer so no more buffers are posted, and then transport operation continues correctly. We didn't understand what that logic did, and it wasn't commented, so it was removed as part of the overhaul to support backchannel requests. Restore it, but be wary of the need to keep extra Receives posted to deal with backchannel requests. Fixes: 1e465fd4ff47 ("xprtrdma: Replace send and receive arrays") Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2016-09-06xprtrdma: Revert 3d4cf35bd4fa ("xprtrdma: Reply buffer exhaustion...")Chuck Lever
Receive buffer exhaustion, if it were to actually occur, would be catastrophic. However, when there are no reply buffers to post, that means all of them have already been posted and are waiting for incoming replies. By design, there can never be more RPCs in flight than there are available receive buffers. A receive buffer can be left posted after an RPC exits without a received reply; say, due to a credential problem or a soft timeout. This does not result in fewer posted receive buffers than there are pending RPCs, and there is already logic in xprtrdma to deal appropriately with this case. It also looks like the "+ 2" that was removed was accidentally accommodating the number of extra receive buffers needed for receiving backchannel requests. That will need to be addressed by another patch. Fixes: 3d4cf35bd4fa ("xprtrdma: Reply buffer exhaustion can be...") Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2016-09-06ipv6: release dst in ping_v6_sendmsgDave Jones
Neither the failure or success paths of ping_v6_sendmsg release the dst it acquires. This leads to a flood of warnings from "net/core/dst.c:288 dst_release" on older kernels that don't have 8bf4ada2e21378816b28205427ee6b0e1ca4c5f1 backported. That patch optimistically hoped this had been fixed post 3.10, but it seems at least one case wasn't, where I've seen this triggered a lot from machines doing unprivileged icmp sockets. Cc: Martin Lau <kafai@fb.com> Signed-off-by: Dave Jones <davej@codemonkey.org.uk> Acked-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-06Merge tag 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma Pull rdma fixes from Doug Ledford: "This is the second pull request for the rdma subsystem. Most of the patches are small and obvious. I took two patches in that are larger than I wanted this late in the cycle. The first is the hfi1 patch that implements a work queue to test the QSFP read state. I originally rejected the first patch for this (which would have place up to 20 seconds worth of udelays in their probe routine). They then rewrote it the way I wanted (use delayed work tasks to wait asynchronously up to 20 seconds for the QSFP to come alive), so I can't really complain about the size of getting what I asked for :-/. The second is large because it switches the rcu locking in the debugfs code. Since a locking change like this is done all at once, the size it what it is. It resolves a litany of debug messages from the kernel, so I pulled it in for -rc. The rest are all typical -rc worthy patches I think. There will still be a third -rc pull request from the rdma subsystem this release. I hope to have that one ready to go by the end of this week or early next. Summary: - a smattering of small fixes across the core, ipoib, i40iw, isert, cxgb4, and mlx4 - a slightly larger group of fixes to each of mlx5 and hfi1" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: IB/hfi1: Rework debugfs to use SRCU IB/hfi1: Make n_krcvqs be an unsigned long integer IB/hfi1: Add QSFP sanity pre-check IB/hfi1: Fix AHG KDETH Intr shift IB/hfi1: Fix SGE length for misaligned PIO copy IB/mlx5: Don't return errors from poll_cq IB/mlx5: Use TIR number based on selector IB/mlx5: Simplify code by removing return variable IB/mlx5: Return EINVAL when caller specifies too many SGEs IB/mlx4: Don't return errors from poll_cq Revert "IB/mlx4: Return EAGAIN for any error in mlx4_ib_poll_one" IB/ipoib: Fix memory corruption in ipoib cm mode connect flow IB/core: Fix use after free in send_leave function IB/cxgb4: Make _free_qp static to silence build warning IB/isert: Properly release resources on DEVICE_REMOVAL IB/hfi1: Fix the size parameter to find_first_bit IB/mlx5: Fix the size parameter to find_first_bit IB/hfi1: Clean up type used and casting i40iw: Receive notification events correctly i40iw: Update hw_iwarp_state
2016-09-06lkdtm: adjust usercopy tests to bypass const checksKees Cook
The hardened usercopy is now consistently avoiding checks against const sizes, since we really only want to perform runtime bounds checking on lengths that weren't known at build time. To test the hardened usercopy code, we must force the length arguments to be seen as non-const. Signed-off-by: Kees Cook <keescook@chromium.org>
2016-09-06usercopy: fold builtin_const check into inline functionKees Cook
Instead of having each caller of check_object_size() need to remember to check for a const size parameter, move the check into check_object_size() itself. This actually matches the original implementation in PaX, though this commit cleans up the now-redundant builtin_const() calls in the various architectures. Signed-off-by: Kees Cook <keescook@chromium.org>
2016-09-06x86/uaccess: force copy_*_user() to be inlinedKees Cook
As already done with __copy_*_user(), mark copy_*_user() as __always_inline. Without this, the checks for things like __builtin_const_p() won't work consistently in either hardened usercopy nor the recent adjustments for detecting usercopy overflows at compile time. The change in kernel text size is detectable, but very small: text data bss dec hex filename 12118735 5768608 14229504 32116847 1ea106f vmlinux.before 12120207 5768608 14229504 32118319 1ea162f vmlinux.after Signed-off-by: Kees Cook <keescook@chromium.org>
2016-09-06Merge branch 'mailbox-devel' of ↵Linus Torvalds
git://git.linaro.org/landing-teams/working/fujitsu/integration Pull mailbox fixes from Jassi Brar: "Misc fixes for BCM mailbox driver - Fix build warnings by making static functions used within the file. - Check for potential NULL before dereferencing - Fix link error by defining HAS_DMA dependency" * 'mailbox-devel' of git://git.linaro.org/landing-teams/working/fujitsu/integration: fix:mailbox:bcm-pdc-mailbox:mark symbols static where possible mailbox: bcm-pdc: potential NULL dereference in pdc_shutdown() mailbox: Add HAS_DMA Kconfig dependency to BCM_PDC_MBOX
2016-09-06arm64: mm: drop fixup_init() and mm.hKefeng Wang
There is only fixup_init() in mm.h , and it is only called in free_initmem(), so move the codes from fixup_init() into free_initmem(), then drop fixup_init() and mm.h. Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
2016-09-06Merge tag 'scsi-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "This is really three fixes, but the SES one comes in a bundle of three (making the replacement API available properly, using it and removing the non-working one). The SES problem causes an oops on hpsa devices because they attach virtual disks to the host which aren't SAS attached (the replacement API ignores them). The other two fixes are fairly minor: the sense key one means we actually resolve a newly added sense key and the RDAC device blacklisting is needed to prevent us annoying the universal XPORT lun of various RDAC arrays" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: sas: remove is_sas_attached() scsi: ses: use scsi_is_sas_rphy instead of is_sas_attached scsi: sas: provide stub implementation for scsi_is_sas_rphy scsi: blacklist all RDAC devices for BLIST_NO_ULD_ATTACH scsi: fix upper bounds check of sense key in scsi_sense_key_string()
2016-09-06Merge tag 'regmap-fix-v4.8-rc5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap Pull regmap fixes from Mark Brown: "Several fixes here, the main one being the change from Lars-Peter which I'd been letting soak in -next since the merge window in case it uncovered further issues as it's a minimal fix rather than a change addressing the root cause of the problems (which would've been too invasive for -rc): - The biggest change is a fix from Lars-Peter to ensure that we don't create overlapping rbtree nodes which in turn avoids returning corrupt cache values to users, fixing some issues that were exposed by some recent optimisations with certain access patterns but had been present for a long time. - A fix from Elaine Zhang to stop us updating the cache if we get an I/O error when writing to the hardware. - A fix fromm Maarten ter Huurne to avoid uninitialized defaults in cases where we have non-readable registers but are initializing the cache by reading from the device" * tag 'regmap-fix-v4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: regmap: drop cache if the bus transfer error regmap: rbtree: Avoid overlapping nodes regmap: cache: Fix num_reg_defaults computation from reg_defaults_raw
2016-09-06Merge tag 'spi-fix-v4.8-rc5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi Pull spi fixes from Mark Brown: "As well as the usual driver fixes there's a couple of non-trivial core fixes in here: - Fixes for issues reported by Julia Lawall in the changes that were sent last time to fix interaction between the bus lock and the locking done for the SPI thread. I'd let this one cook for a while to make sure nothing else came up in testing. - A fix from Sien Wu for arithmetic overflows when calculating the timeout for larger transfers (espcially common with slow buses with flashes on them)" * tag 'spi-fix-v4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: spi: Prevent unexpected SPI time out due to arithmetic overflow spi: pxa2xx-pci: fix ACPI-based enumeration of SPI devices MAINTAINERS: add myself as Samsung SPI maintainer spi: Drop io_mutex in error paths spi: sh-msiof: Avoid invalid clock generator parameters spi: img-spfi: Remove spi_master_put in img_spfi_remove() spi: mediatek: remove spi_master_put in mtk_spi_remove() spi: qup: Remove spi_master_put in spi_qup_remove()
2016-09-06Merge tag 'regulator-fix-v4.8-rc5' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator Pull regulator fixes from Mark Brown: "Two things here, one an e-mail update for Krzysztof Kozlowski and the other a couple of fixes for issues with incorrectly described voltages in a couple of the Qualcomm regulator drivers that were breaking MMC on some platforms" * tag 'regulator-fix-v4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: regulator: Change Krzysztof Kozlowski's email to kernel.org regulator: qcom_smd: Fix voltage ranges for pma8084 ftsmps and pldo regulator: qcom_smd: Fix voltage ranges for pm8x41
2016-09-06Merge tag 'pinctrl-v4.8-3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pin control fixes from Linus Walleij: "Nothing special at all, just three SoC-specific driver fixes: - Fix routing problems in pistachio (Imagination) and sunxi (AllWinner) - Fix an interrupt problem in the Cherryview (Intel)" * tag 'pinctrl-v4.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: pinctrl: sunxi: fix uart1 CTS/RTS pins at PG on A23/A33 pinctrl: cherryview: Do not mask all interrupts in probe pinctrl: pistachio: fix mfio pll_lock pinmux
2016-09-06drivers/perf: arm_pmu: Always consider IRQ0 as an errorMarc Zyngier
As declared by the chief penguin, and enforced by the NO_IRQ brigade, IRQ0 doesn't exist, and is considered as an error (no irq). Unfortunately, the arm_pmu driver still considers it as valid in a large number of cases. Let's fix this. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
2016-09-06jfs: Simplify codeChristophe JAILLET
Calling 'list_splice' followed by 'INIT_LIST_HEAD' is equivalent to 'list_splice_init'. This has been spotted with the following coccinelle script: ///// @@ expression y,z; @@ - list_splice(y,z); - INIT_LIST_HEAD(y); + list_splice_init(y,z); Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
2016-09-06powerpc/mmu nohash: Convert to hotplug state machineSebastian Andrzej Siewior
Install the callbacks via the state machine. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: rt@linutronix.de Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: linuxppc-dev@lists.ozlabs.org Link: http://lkml.kernel.org/r/20160818125731.27256-17-bigeasy@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-06powerpc/powermac: Convert to hotplug state machineSebastian Andrzej Siewior
Install the callbacks via the state machine. I assume here that the powermac has two CPUs and so only one can go up or down at a time. The variable smp_core99_host_open is here to ensure that we do not try to open or close the i2c host twice if something goes wrong and we invoke the prepare or online callback twice due to rollback. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: rt@linutronix.de Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: linuxppc-dev@lists.ozlabs.org Link: http://lkml.kernel.org/r/20160818125731.27256-16-bigeasy@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-06x86/kvm: Convert to hotplug state machineSebastian Andrzej Siewior
Install the callbacks via the state machine. The online & down callbacks are invoked on the target CPU so we can avoid using smp_call_function_single(). local_irq_disable() is used because smp_call_function_single() used to invoke the function with interrupts disabled. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Cc: kvm@vger.kernel.org Cc: Peter Zijlstra <peterz@infradead.org> Cc: Gleb Natapov <gleb@kernel.org> Cc: rt@linutronix.de Link: http://lkml.kernel.org/r/20160818125731.27256-15-bigeasy@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-06MIPS/BUS/CDMM: Convert to hotplug state machineSebastian Andrzej Siewior
Install the callbacks via the state machine and let the core invoke the callbacks on the already online CPUs. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: James Hogan <james.hogan@imgtec.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: rt@linutronix.de Link: http://lkml.kernel.org/r/20160818125731.27256-14-bigeasy@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-06cpuidle/coupled: Convert to hotplug state machineSebastian Andrzej Siewior
Install the callbacks via the state machine. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: linux-pm@vger.kernel.org Cc: Peter Zijlstra <peterz@infradead.org> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> Cc: rt@linutronix.de Link: http://lkml.kernel.org/r/20160824091444.brdr5zpbxjvh6n3f@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-06cpuidle/powernv: Convert to hotplug state machineSebastian Andrzej Siewior
Install the callbacks via the state machine. v1…v2: - Use only CPUHP_CPUIDLE_DEAD (requested by Daniel Lezcano) Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: linux-pm@vger.kernel.org Cc: Peter Zijlstra <peterz@infradead.org> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> Cc: rt@linutronix.de Link: http://lkml.kernel.org/r/20160824091259.ozyslcopxvbfdqzy@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-06cpuidle/pseries: Convert to hotplug state machineSebastian Andrzej Siewior
Install the callbacks via the state machine. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: linux-pm@vger.kernel.org Cc: Peter Zijlstra <peterz@infradead.org> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> Cc: rt@linutronix.de Link: http://lkml.kernel.org/r/20160818125731.27256-11-bigeasy@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-06md/raid5: Convert to hotplug state machineSebastian Andrzej Siewior
Install the callbacks via the state machine and let the core invoke the callbacks on the already online CPUs. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Neil Brown <neilb@suse.com> Cc: linux-raid@vger.kernel.org Cc: rt@linutronix.de Link: http://lkml.kernel.org/r/20160818125731.27256-10-bigeasy@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-06net/mvneta: Convert to hotplug state machineSebastian Andrzej Siewior
Install the callbacks via the state machine and let the core invoke the callbacks on the already online CPUs. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: netdev@vger.kernel.org Cc: rt@linutronix.de Link: http://lkml.kernel.org/r/20160818125731.27256-9-bigeasy@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-06kernel/softirq: Convert to hotplug state machineSebastian Andrzej Siewior
Install the callbacks via the state machine. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: rt@linutronix.de Link: http://lkml.kernel.org/r/20160818125731.27256-7-bigeasy@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-06mm/writeback: Convert to hotplug state machineSebastian Andrzej Siewior
Install the callbacks via the state machine and let the core invoke the callbacks on the already online CPUs. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Jens Axboe <axboe@fb.com> Cc: linux-mm@kvack.org Cc: rt@linutronix.de Cc: Tejun Heo <tj@kernel.org> Link: http://lkml.kernel.org/r/20160818125731.27256-6-bigeasy@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-06slub: Convert to hotplug state machineSebastian Andrzej Siewior
Install the callbacks via the state machine. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: linux-mm@kvack.org Cc: rt@linutronix.de Cc: David Rientjes <rientjes@google.com> Cc: Christoph Lameter <cl@linux.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Link: http://lkml.kernel.org/r/20160818125731.27256-5-bigeasy@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-06slab: Convert to hotplug state machineSebastian Andrzej Siewior
Install the callbacks via the state machine. Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Pekka Enberg <penberg@kernel.org> Cc: linux-mm@kvack.org Cc: rt@linutronix.de Cc: David Rientjes <rientjes@google.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Christoph Lameter <cl@linux.com> Link: http://lkml.kernel.org/r/20160823125319.abeapfjapf2kfezp@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-06relayfs: Convert to hotplug state machineRichard Weinberger
Install the callbacks via the state machine. They are installed at run time but relay_prepare_cpu() does not need to be invoked by the boot CPU because relay_open() was not yet invoked and there are no pools that need to be created. Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: rt@linutronix.de Cc: Andrew Morton <akpm@linux-foundation.org> Link: http://lkml.kernel.org/r/20160818125731.27256-3-bigeasy@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>