- 06 May, 2015 11 commits
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Markus Pargmann authored
The old format to define pinctrl settings for imx in DT has two hierarchy levels. The first level are function device nodes. The second level are pingroups which contain a property fsl,pins. The original intention was to define all pin functions in a single dtsi file and just reference the correct ones in the board files. This idea was rejected some time ago leading to the current design to have all the pinfunctions defined in the board files. So we don't need the function device nodes anymore. This patch changes the pinctrl driver to accept devicetrees which do not have the first hierarchy level, function device nodes. For example karo-tx25 already has such a devicetree. Old devicetrees are still parsed and supported. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Helmut Buchsbaum authored
Since SCLK, MISO and MOSI are the only mandatory signals at Zynq's SPI interfaces, SS0, SS1 and SS2 have to be configured separately as they may be used as simple GPIO lines. This, of course, has to be considered in the devicetree, so pin controller configuration for e.g. an SPI0 using SS0 and SS1 only might look like the following snippet (derived from the example of chapter "17.5.3 MIO/EMIO" Routing of Zynq-7000 TRM UG585). So MIO20 can now be used as GPIO instead of being occupied by SPI0 SS2 function. Note the separate pinmux function for the slave select signals: pinctrl_spi0_default: spi0-default { mux_spi { function = "spi0"; groups = "spi0_0_grp"; }; mux_ss { function = "spi0_ss"; groups = "spi0_0_ss0_grp", "spi0_0_ss1_grp"; } conf-output { pins = "MIO16", "MIO21"; slew-rate = <0>; bias-disable; low-power-disable; io-standard = <1>; }; conf-input { pins = "MIO17"; slew-rate = <0>; bias-high-impedance; low-power-disable; io-standard = <1>; }; conf-select { pins = "MIO18", "MIO19"; slew-rate = <0>; bias-pull-up; low-power-disable; io-standard = <1>; }; }; pinctrl_gpio0_default { mux { function = "gpio0"; groups = "gpio0_20_grp" }; conf { pins = "MIO20"; slew-rate = <0>; bias-pull-up; low-power-disable; io-standard = <1>; }; }; Signed-off-by: Helmut Buchsbaum <helmut.buchsbaum@gmail.com> Acked-by: Sören Brinkmann <soren.brinkmann@xilinx.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Linus Walleij authored
Assign GPIO chip and irqchip to the GPIO container dynamically, so we can set a unique name for each GPIO irqchip and see what chip the hwirq offset actually relates to. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Linus Walleij authored
This activates strict mode muxing for the Nomadik pin controllers, as these do not allow GPIO and functions to use the same pin simultaneously. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Linus Walleij authored
While the pinmux_ops are ideally just a vtable for pin mux calls, the "strict" setting belongs so intuitively with the pin multiplexing that we should move it here anyway. Putting it in the top pinctrl_desc makes no sense. Cc: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Sonic Zhang authored
Disallow simultaneous use of the the GPIO and peripheral mux functions by setting a flag "strict" in struct pinctrl_desc. The blackfin pinmux and gpio controller doesn't allow user to set up a pin for both GPIO and peripheral function. So, add flag strict in struct pinctrl_desc to check both gpio_owner and mux_owner before approving the pin request. v2-changes: - if strict flag is set, check gpio_owner and mux_onwer in if and else clause v3-changes: - add kerneldoc for this struct - augment Documentation/pinctrl.txt Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Frank Li authored
Add i.MX7D pinctrl driver support Signed-off-by: Frank Li <Frank.Li@freescale.com> Signed-off-by: Anson Huang <b20788@freescale.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Andrew Bresticker authored
Add a device-tree binding document for the pin controller present on the IMG Pistachio SoC. Signed-off-by: Damien Horsley <Damien.Horsley@imgtec.com> Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com> Signed-off-by: Andrew Bresticker <abrestic@chromium.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Pawel Moll <pawel.moll@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> Cc: Kumar Gala <galak@codeaurora.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Joachim Eastwood authored
Signed-off-by: Joachim Eastwood <manabian@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Joachim Eastwood authored
Pinctrl driver for the System Control Unit (SCU) found on NXP LPC18xx/43xx devices. Driver uses the generic pinctrl DT bindings for multiplexing and property settings. Signed-off-by: Joachim Eastwood <manabian@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Alexander Stein authored
This adds the callback for set_multiple. As this controller has a separate set and clear register, we can't write directly to PIO_ODSR as this would required a cached variable and would race with at91_gpio_set. So build masks for the PIO_SODR and PIO_CODR registers and write them together. Signed-off-by: Alexander Stein <alexanders83@web.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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- 04 May, 2015 3 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4Linus Torvalds authored
Pull ext4 fixes from Ted Ts'o: "Some miscellaneous bug fixes and some final on-disk and ABI changes for ext4 encryption which provide better security and performance" * tag 'for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: fix growing of tiny filesystems ext4: move check under lock scope to close a race. ext4: fix data corruption caused by unwritten and delayed extents ext4 crypto: remove duplicated encryption mode definitions ext4 crypto: do not select from EXT4_FS_ENCRYPTION ext4 crypto: add padding to filenames before encrypting ext4 crypto: simplify and speed up filename encryption
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git://people.freedesktop.org/~airlied/linuxLinus Torvalds authored
Pull drm fixes from Dave Airlie: "One intel fix, one rockchip fix, and a bunch of radeon fixes for some regressions from audio rework and vm stability" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/i915/chv: Implement WaDisableShadowRegForCpd drm/radeon: fix userptr return value checking (v2) drm/radeon: check new address before removing old one drm/radeon: reset BOs address after clearing it. drm/radeon: fix lockup when BOs aren't part of the VM on release drm/radeon: add SI DPM quirk for Sapphire R9 270 Dual-X 2G GDDR5 drm/radeon: adjust pll when audio is not enabled drm/radeon: only enable audio streams if the monitor supports it drm/radeon: only mark audio as connected if the monitor supports it (v3) drm/radeon/audio: don't enable packets until the end drm/radeon: drop dce6_dp_enable drm/radeon: fix ordering of AVI packet setup drm/radeon: Use drm_calloc_ab for CS relocs drm/rockchip: fix error check when getting irq MAINTAINERS: add entry for Rockchip drm drivers
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- 03 May, 2015 8 commits
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git://anongit.freedesktop.org/drm-intelDave Airlie authored
Just a single intel fix * tag 'drm-intel-fixes-2015-04-30' of git://anongit.freedesktop.org/drm-intel: drm/i915/chv: Implement WaDisableShadowRegForCpd
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https://github.com/markyzq/kernel-drm-rockchipDave Airlie authored
one fix and maintainers update * 'drm-next0420' of https://github.com/markyzq/kernel-drm-rockchip: drm/rockchip: fix error check when getting irq MAINTAINERS: add entry for Rockchip drm drivers
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds authored
Pull SCSI fixes from James Bottomley: "This is three logical fixes (as 5 patches). The 3ware class of drivers were causing an oops with multiqueue by tearing down the command mappings after completing the command (where the variables in the command used to tear down the mapping were no-longer valid). There's also a fix for the qnap iscsi target which was choking on us sending it commands that were too long and a fix for the reworked aha1542 allocating GFP_KERNEL under a lock" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: 3w-9xxx: fix command completion race 3w-xxxx: fix command completion race 3w-sas: fix command completion race aha1542: Allocate memory before taking a lock SCSI: add 1024 max sectors black list flag
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git://git.infradead.org/users/vkoul/slave-dmaLinus Torvalds authored
Pull slave dmaengine fixes from Vinod Koul: "Here are the fixes in dmaengine subsystem for rc2: - privatecnt fix for slave dma request API by Christopher - warn fix for PM ifdef in usb-dmac by Geert - fix hardware dependency for xgene by Jean" * 'next' of git://git.infradead.org/users/vkoul/slave-dma: dmaengine: increment privatecnt when using dma_get_any_slave_channel dmaengine: xgene: Set hardware dependency dmaengine: usb-dmac: Protect PM-only functions to kill warning
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git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linuxLinus Torvalds authored
Pull powerpc fixes from Michael Ellerman: - build fix for SMP=n in book3s_xics.c - fix for Daniel's pci_controller_ops on powernv. - revert the TM syscall abort patch for now. - CPU affinity fix from Nathan. - two EEH fixes from Gavin. - fix for CR corruption from Sam. - selftest build fix. * tag 'powerpc-4.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux: powerpc/powernv: Restore non-volatile CRs after nap powerpc/eeh: Delay probing EEH device during hotplug powerpc/eeh: Fix race condition in pcibios_set_pcie_reset_state() powerpc/pseries: Correct cpu affinity for dlpar added cpus selftests/powerpc: Fix the pmu install rule Revert "powerpc/tm: Abort syscalls in active transactions" powerpc/powernv: Fix early pci_controller_ops loading. powerpc/kvm: Fix SMP=n build error in book3s_xics.c
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Jan Kara authored
The estimate of necessary transaction credits in ext4_flex_group_add() is too pessimistic. It reserves credit for sb, resize inode, and resize inode dindirect block for each group added in a flex group although they are always the same block and thus it is enough to account them only once. Also the number of modified GDT block is overestimated since we fit EXT4_DESC_PER_BLOCK(sb) descriptors in one block. Make the estimation more precise. That reduces number of requested credits enough that we can grow 20 MB filesystem (which has 1 MB journal, 79 reserved GDT blocks, and flex group size 16 by default). Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Eric Sandeen <sandeen@redhat.com>
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Davide Italiano authored
fallocate() checks that the file is extent-based and returns EOPNOTSUPP in case is not. Other tasks can convert from and to indirect and extent so it's safe to check only after grabbing the inode mutex. Signed-off-by: Davide Italiano <dccitaliano@gmail.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Cc: stable@vger.kernel.org
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Lukas Czerner authored
Currently it is possible to lose whole file system block worth of data when we hit the specific interaction with unwritten and delayed extents in status extent tree. The problem is that when we insert delayed extent into extent status tree the only way to get rid of it is when we write out delayed buffer. However there is a limitation in the extent status tree implementation so that when inserting unwritten extent should there be even a single delayed block the whole unwritten extent would be marked as delayed. At this point, there is no way to get rid of the delayed extents, because there are no delayed buffers to write out. So when a we write into said unwritten extent we will convert it to written, but it still remains delayed. When we try to write into that block later ext4_da_map_blocks() will set the buffer new and delayed and map it to invalid block which causes the rest of the block to be zeroed loosing already written data. For now we can fix this by simply not allowing to set delayed status on written extent in the extent status tree. Also add WARN_ON() to make sure that we notice if this happens in the future. This problem can be easily reproduced by running the following xfs_io. xfs_io -f -c "pwrite -S 0xaa 4096 2048" \ -c "falloc 0 131072" \ -c "pwrite -S 0xbb 65536 2048" \ -c "fsync" /mnt/test/fff echo 3 > /proc/sys/vm/drop_caches xfs_io -c "pwrite -S 0xdd 67584 2048" /mnt/test/fff This can be theoretically also reproduced by at random by running fsx, but it's not very reliable, though on machines with bigger page size (like ppc) this can be seen more often (especially xfstest generic/127) Signed-off-by: Lukas Czerner <lczerner@redhat.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu> Cc: stable@vger.kernel.org
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- 02 May, 2015 7 commits
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Chanho Park authored
This patch removes duplicated encryption modes which were already in ext4.h. They were duplicated from commit 3edc18d8 and commit f542fb. Cc: Theodore Ts'o <tytso@mit.edu> Cc: Michael Halcrow <mhalcrow@google.com> Cc: Andreas Dilger <adilger.kernel@dilger.ca> Signed-off-by: Chanho Park <chanho61.park@samsung.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Herbert Xu authored
This patch adds a tristate EXT4_ENCRYPTION to do the selections for EXT4_FS_ENCRYPTION because selecting from a bool causes all the selected options to be built-in, even if EXT4 itself is a module. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds authored
Pull networking fixes from David Miller: 1) Receive packet length needs to be adjust by 2 on RX to accomodate the two padding bytes in altera_tse driver. From Vlastimil Setka. 2) If rx frame is dropped due to out of memory in macb driver, we leave the receive ring descriptors in an undefined state. From Punnaiah Choudary Kalluri 3) Some netlink subsystems erroneously signal NLM_F_MULTI. That is only for dumps. Fix from Nicolas Dichtel. 4) Fix mis-use of raw rt->rt_pmtu value in ipv4, one must always go via the ipv4_mtu() helper. From Herbert Xu. 5) Fix null deref in bridge netfilter, and miscalculated lengths in jump/goto nf_tables verdicts. From Florian Westphal. 6) Unhash ping sockets properly. 7) Software implementation of BPF divide did 64/32 rather than 64/64 bit divide. The JITs got it right. Fix from Alexei Starovoitov. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (30 commits) ipv4: Missing sk_nulls_node_init() in ping_unhash(). net: fec: Fix RGMII-ID mode net/mlx4_en: Schedule napi when RX buffers allocation fails netxen_nic: use spin_[un]lock_bh around tx_clean_lock net/mlx4_core: Fix unaligned accesses mlx4_en: Use correct loop cursor in error path. cxgb4: Fix MC1 memory offset calculation bnx2x: Delay during kdump load net: Fix Kernel Panic in bonding driver debugfs file: rlb_hash_table net: dsa: Fix scope of eeprom-length property net: macb: Fix race condition in driver when Rx frame is dropped hv_netvsc: Fix a bug in netvsc_start_xmit() altera_tse: Correct rx packet length mlx4: Fix tx ring affinity_mask creation tipc: fix problem with parallel link synchronization mechanism tipc: remove wrong use of NLM_F_MULTI bridge/nl: remove wrong use of NLM_F_MULTI bridge/mdb: remove wrong use of NLM_F_MULTI net: sched: act_connmark: don't zap skb->nfct trivial: net: systemport: bcmsysport.h: fix 0x0x prefix ...
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Stefan Hajnoczi authored
Here the "other side" refers to the guest or host. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Rusty Russell authored
With my job change kernel work will be "own time"; I'm keeping lguest and modules (and the virtio standards work), but virtio kernel has to go. This makes it clear that Michael is in charge. He's good, but having me watch over his shoulder won't help. Good luck Michael! Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-clientLinus Torvalds authored
Pull Ceph RBD fix from Sage Weil. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: rbd: end I/O the entire obj_request on error
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David S. Miller authored
If we don't do that, then the poison value is left in the ->pprev backlink. This can cause crashes if we do a disconnect, followed by a connect(). Tested-by: Linus Torvalds <torvalds@linux-foundation.org> Reported-by: Wen Xu <hotdog3645@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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- 01 May, 2015 10 commits
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Ilya Dryomov authored
When we end I/O struct request with error, we need to pass obj_request->length as @nr_bytes so that the entire obj_request worth of bytes is completed. Otherwise block layer ends up confused and we trip on rbd_assert(more ^ (which == img_request->obj_request_count)); in rbd_img_obj_callback() due to more being true no matter what. We already do it in most cases but we are missing some, in particular those where we don't even get a chance to submit any obj_requests, due to an early -ENOMEM for example. A number of obj_request->xferred assignments seem to be redundant but I haven't touched any of obj_request->xferred stuff to keep this small and isolated. Cc: Alex Elder <elder@linaro.org> Cc: stable@vger.kernel.org # 3.10+ Reported-by: Shawn Edwards <lesser.evil@gmail.com> Reviewed-by: Sage Weil <sage@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Theodore Ts'o authored
This obscures the length of the filenames, to decrease the amount of information leakage. By default, we pad the filenames to the next 4 byte boundaries. This costs nothing, since the directory entries are aligned to 4 byte boundaries anyway. Filenames can also be padded to 8, 16, or 32 bytes, which will consume more directory space. Change-Id: Ibb7a0fb76d2c48e2061240a709358ff40b14f322 Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Theodore Ts'o authored
Avoid using SHA-1 when calculating the user-visible filename when the encryption key is available, and avoid decrypting lots of filenames when searching for a directory entry in a directory block. Change-Id: If4655f144784978ba0305b597bfa1c8d7bb69e63 Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfsLinus Torvalds authored
Pull btrfs fixes from Chris Mason: "A few more btrfs fixes. These range from corners Filipe found in the new free space cache writeback to a grab bag of fixes from the list" * 'for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: Btrfs: btrfs_release_extent_buffer_page didn't free pages of dummy extent Btrfs: fill ->last_trans for delayed inode in btrfs_fill_inode. btrfs: unlock i_mutex after attempting to delete subvolume during send btrfs: check io_ctl_prepare_pages return in __btrfs_write_out_cache btrfs: fix race on ENOMEM in alloc_extent_buffer btrfs: handle ENOMEM in btrfs_alloc_tree_block Btrfs: fix find_free_dev_extent() malfunction in case device tree has hole Btrfs: don't check for delalloc_bytes in cache_save_setup Btrfs: fix deadlock when starting writeback of bg caches Btrfs: fix race between start dirty bg cache writeout and bg deletion
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linuxLinus Torvalds authored
Pull arm64 fixes from Will Deacon: "Not too much here, but we've addressed a couple of nasty issues in the dma-mapping code as well as adding the halfword and byte variants of load_acquire/store_release following on from the CSD locking bug that you fixed in the core. - fix perf devicetree warnings at probe time - fix memory leak in __dma_free() - ensure DMA buffers are always zeroed - show IRQ trigger in /proc/interrupts (for parity with ARM) - implement byte and halfword access for smp_{load_acquire,store_release}" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: perf: Fix the pmu node name in warning message arm64: perf: don't warn about missing interrupt-affinity property for PPIs arm64: add missing PAGE_ALIGN() to __dma_free() arm64: dma-mapping: always clear allocated buffers ARM64: Enable CONFIG_GENERIC_IRQ_SHOW_LEVEL arm64: add missing data types in smp_load_acquire/smp_store_release
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Sam Bobroff authored
Patches 7cba160a "powernv/cpuidle: Redesign idle states management" and 77b54e9f "powernv/powerpc: Add winkle support for offline cpus" use non-volatile condition registers (cr2, cr3 and cr4) early in the system reset interrupt handler (system_reset_pSeries()) before it has been determined if state loss has occurred. If state loss has not occurred, control returns via the power7_wakeup_noloss() path which does not restore those condition registers, leaving them corrupted. Fix this by restoring the condition registers in the power7_wakeup_noloss() case. This is apparent when running a KVM guest on hardware that does not support winkle or sleep and the guest makes use of secondary threads. In practice this means Power7 machines, though some early unreleased Power8 machines may also be susceptible. The secondary CPUs are taken off line before the guest is started and they call pnv_smp_cpu_kill_self(). This checks support for sleep states (in this case there is no support) and power7_nap() is called. When the CPU is woken, power7_nap() returns and because the CPU is still off line, the main while loop executes again. The sleep states support test is executed again, but because the tested values cannot have changed, the compiler has optimized the test away and instead we rely on the result of the first test, which has been left in cr3 and/or cr4. With the result overwritten, the wrong branch is taken and power7_winkle() is called on a CPU that does not support it, leading to it stalling. Fixes: 7cba160a ("powernv/cpuidle: Redesign idle states management") Fixes: 77b54e9f ("powernv/powerpc: Add winkle support for offline cpus") [mpe: Massage change log a bit more] Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Gavin Shan authored
Commit 1c509148b ("powerpc/eeh: Do probe on pci_dn") probes EEH devices in early stage, which is reasonable to pSeries platform. However, it's wrong for PowerNV platform because the PE# isn't determined until the resources (IO and MMIO) are assigned to PE in hotplug case. So we have to delay probing EEH devices for PowerNV platform until the PE# is assigned. Fixes: ff57b454 ("powerpc/eeh: Do probe on pci_dn") Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Gavin Shan authored
When asserting reset in pcibios_set_pcie_reset_state(), the PE is enforced to (hardware) frozen state in order to drop unexpected PCI transactions (except PCI config read/write) automatically by hardware during reset, which would cause recursive EEH error. However, the (software) frozen state EEH_PE_ISOLATED is missed. When users get 0xFF from PCI config or MMIO read, EEH_PE_ISOLATED is set in PE state retrival backend. Unfortunately, nobody (the reset handler or the EEH recovery functinality in host) will clear EEH_PE_ISOLATED when the PE has been passed through to guest. The patch sets and clears EEH_PE_ISOLATED properly during reset in function pcibios_set_pcie_reset_state() to fix the issue. Fixes: 28158cd1 ("Enhance pcibios_set_pcie_reset_state()") Reported-by: Carol L. Soto <clsoto@us.ibm.com> Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com> Tested-by: Carol L. Soto <clsoto@us.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Nathan Fontenot authored
The incorrect ordering of operations during cpu dlpar add results in invalid affinity for the cpu being added. The ibm,associativity property in the device tree is populated with all zeroes for the added cpu which results in invalid affinity mappings and all cpus appear to belong to node 0. This occurs because rtas configure-connector is called prior to making the rtas set-indicator calls. Phyp does not assign affinity information for a cpu until the rtas set-indicator calls are made to set the isolation and allocation state. Correct the order of operations to make the rtas set-indicator calls (done in dlpar_acquire_drc) before calling rtas configure-connector. Fixes: 1a8061c4 ("powerpc/pseries: Add kernel based CPU DLPAR handling") Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Michael Ellerman authored
My patch to add install support for the powerpc selftests had a typo, leading to the three tests in the pmu directory itself not being installed. Fixes: 6faeeea4 ("selftests: Add install support for the powerpc tests") Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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- 30 Apr, 2015 1 commit
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull power management and ACPI fixes from Rafael Wysocki: "Three regression fixes this time, one for a recent regression in the cpuidle core affecting multiple systems, one for an inadvertently added duplicate typedef in ACPICA that breaks compilation with GCC 4.5 and one for an ACPI Smart Battery Subsystem driver regression introduced during the 3.18 cycle (stable-candidate). Specifics: - Fix for a regression in the cpuidle core introduced by one of the recent commits in the clockevents_notify() removal series that put a call to a function which had to be executed with disabled interrupts into a code path running with enabled interrupts (Rafael J Wysocki) - Fix for a build problem in ACPICA (with GCC 4.5) introduced by one of the recent ACPICA tools commits that added a duplicate typedef to one of the ACPICA's header files by mistake (Olaf Hering) - Fix for a regression in the ACPI SBS (Smart Battery Subsystem) driver introduced during the 3.18 development cycle causing the smart battery manager to be marked as not present when it should be marked as present (Chris Bainbridge)" * tag 'pm+acpi-4.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpuidle: Run tick_broadcast_exit() with disabled interrupts ACPI / SBS: Enable battery manager when present ACPICA: remove duplicate u8 typedef
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