[PATCH 4.14 147/195] kasan: dont emit builtin calls when sanitization is off

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Andrey Konovalov commit 0e410e158e5baa1300bdf678cea4f4e0cf9d8b94 upstream. With KASAN enabled the kernel has two different memset() functions, one with KASAN checks

[PATCH 4.14 125/195] media: v4l2-compat-ioctl32.c: avoid sizeof(type)

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Hans Verkuil commit 333b1e9f96ce05f7498b581509bb30cde03018bf upstream. Instead of doing sizeof(struct foo) use sizeof(*up). There even were cases where 4 *

[PATCH 4.14 155/195] pipe: actually allow root to exceed the pipe buffer limits

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Eric Biggers commit 85c2dd5473b2718b4b63e74bfeb1ca876868e11f upstream. pipe-user-pages-hard and pipe-user-pages-soft are only supposed to apply to unprivileged users, as

[PATCH 4.14 176/195] pktcdvd: Fix pkt_setup_dev() error path

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Bart Van Assche commit 5a0ec388ef0f6e33841aeb810d7fa23f049ec4cd upstream. Commit 523e1d399ce0 ("block: make gendisk hold a reference to its queue") modified add_disk()

[PATCH 4.14 160/195] Bluetooth: btusb: Restore QCA Rome suspend/resume fix with a "rewritten" version

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Hans de Goede commit 61f5acea8737d9b717fcc22bb6679924f3c82b98 upstream. Commit 7d06d5895c15 ("Revert "Bluetooth: btusb: fix QCA...suspend/resume"") removed the setting of

[PATCH 4.15 201/202] scsi: lpfc: Fix crash after bad bar setup on driver attachment

4.15-stable review patch. If anyone has any objections, please let me know. -- From: James Smart commit e4b9794efdce13242f4af6682f3ed48ce3864a87 upstream. In test cases where an instance of the driver is detached and reattached, the driver will crash on

[PATCH 4.15 171/202] alpha: fix reboot on Avanti platform

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Mikulas Patocka commit 55fc633c41a08ce9244ff5f528f420b16b1e04d6 upstream. We need to define NEED_SRM_SAVE_RESTORE on the Avanti, otherwise we get machine check exception

Re: [patch 1/2] mm, page_alloc: extend kernelcore and movablecore for percent

On Thu, 15 Feb 2018, Matthew Wilcox wrote: > What if ... on startup, slab allocated a MAX_ORDER page for itself. > It would then satisfy its own page allocation requests from this giant > page. If we start to run low on memory in the rest of the system, slab > can be induced to return some of it

[PATCH 4.15 202/202] scsi: cxlflash: Reset command ioasc

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Uma Krishnan commit 96cf727fe8f102bf92150b741db71ee39fb8c521 upstream. In the event of a command failure, cxlflash returns the failure to the upper layers to

[PATCH 4.15 172/202] alpha: fix formating of stack content

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Mikulas Patocka commit 4b01abdb32fc36abe877503bfbd33019159fad71 upstream. Since version 4.9, the kernel automatically breaks printk calls into multiple newlines unless

Re: [PATCH 0/3] crypto: stm32/hash: Correction to improve robustness

On Mon, Jan 29, 2018 at 03:28:08PM +0100, Lionel Debieve wrote: > From: Lionel Debieve > > Hi, > > This patch serie will improve global robustness for stm32-hash driver. > > Patch #1 is fixing dma-burst issue when configuration is not set. > Patch #2 solves issue that

Re: [PATCH v2 0/6] crypto: engine - Permit to enqueue all async requests

On Fri, Jan 26, 2018 at 08:15:28PM +0100, Corentin Labbe wrote: > Hello > > The current crypto_engine support only ahash and ablkcipher request. > My first patch which try to add skcipher was Nacked, it will add too many > functions > and adding other algs(aead, asymetric_key) will make the

[PATCH 4.15 198/202] devpts: fix error handling in devpts_mntget()

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Eric Biggers commit c9cc8d01fb04117928830449388512a5047569c9 upstream. If devpts_ptmx_path() returns an error code, then devpts_mntget() dereferences an ERR_PTR():

[PATCH 4.15 197/202] mn10300/misalignment: Use SIGSEGV SEGV_MAPERR to report a failed user copy

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Eric W. Biederman commit 6ac1dc736b323011a55ecd1fc5897c24c4f77cbd upstream. Setting si_code to 0 is the same a setting si_code to SI_USER which is definitely not

[[INTERNAL] PATCH 0/2] Fix STM32F7 DWC2 OTG HS binding

This patchset fixes STM32F7 DWC2 OTG HS binding. It actually re-applies the v2 former patches adding STM32F7 DWC2 OTG HS support. Amelie Delaunay (2): dt-bindings: usb: fix the STM32F7 DWC2 OTG HS core binding usb: dwc2: fix STM32F7 USB OTG HS compatible

[PATCH 4.15 181/202] pktcdvd: Fix pkt_setup_dev() error path

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Bart Van Assche commit 5a0ec388ef0f6e33841aeb810d7fa23f049ec4cd upstream. Commit 523e1d399ce0 ("block: make gendisk hold a reference to its queue") modified add_disk()

[PATCH 4.15 182/202] pktcdvd: Fix a recently introduced NULL pointer dereference

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Bart Van Assche commit 882d4171a8950646413b1a3cbe0e4a6a612fe82e upstream. Call bdev_get_queue(bdev) after bdev->bd_disk has been initialized instead of just before

[PATCH 4.15 179/202] pinctrl: sx150x: Register pinctrl before adding the gpiochip

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Peter Rosin commit 1a1d39e1b8dd1d0f92a79da4fcc1ab0be3ae9bfc upstream. Various gpiolib activity depend on the pinctrl to be up and kicking. Therefore, register the pinctrl

[PATCH 4.15 159/202] pipe: actually allow root to exceed the pipe buffer limits

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Eric Biggers commit 85c2dd5473b2718b4b63e74bfeb1ca876868e11f upstream. pipe-user-pages-hard and pipe-user-pages-soft are only supposed to apply to unprivileged users, as

[PATCH 4.15 154/202] media: vivid: fix module load error when enabling fb and no_error_inj=1

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Hans Verkuil commit 0fa2c5f954c41e870fe327907c01cb8f7ea8d5a2 upstream. If the framebuffer is enabled and error injection is disabled, then creating the controls for

Re: [PATCH v2 1/6] phy: rockchip-typec: deprecate some DT properties for various register fields.

Hi Enric, Am Mittwoch, 14. Februar 2018, 17:54:42 CET schrieb Enric Balletbo i Serra: > Adding properties for various register fields in the DT doesn't scale and > this information should be in the driver instead. > > Before this patch these registers (description below) were specified in > the

[PATCH 4.15 155/202] media: cxusb, dib0700: ignore XC2028_I2C_FLUSH

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Mauro Carvalho Chehab commit 9893b905e743ded332575ca04486bd586c0772f7 upstream. The XC2028_I2C_FLUSH only needs to be implemented on a few devices. Others can safely

[PATCH 4.15 142/202] afs: Add missing afs_put_cell()

4.15-stable review patch. If anyone has any objections, please let me know. -- From: David Howells commit e44150157f42219fa5c074588efdb31ccfb197fc upstream. afs_alloc_volume() needs to release the cell ref it obtained in the case of an error. Fix this by

Re: [PATCH v3 4/8] i2c: ov9650: use 64-bit arithmetic instead of 32-bit

On 02/15/2018 07:52 AM, Hans Verkuil wrote: On 08/02/18 17:39, Gustavo A. R. Silva wrote: Hi Sakari, On 02/07/2018 03:59 PM, Sakari Ailus wrote: Hi Gustavo, On Tue, Feb 06, 2018 at 10:47:50AM -0600, Gustavo A. R. Silva wrote: Add suffix ULL to constants 1 and 100 in order to give

[PATCH 4.15 126/202] media: v4l2-compat-ioctl32.c: make ctrl_is_pointer work for subdevs

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Hans Verkuil commit 273caa260035c03d89ad63d72d8cd3d9e5c5e3f1 upstream. If the device is of type VFL_TYPE_SUBDEV then vdev->ioctl_ops is NULL so the 'if

[PATCH 4.15 111/202] crypto: poly1305 - remove ->setkey() method

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Eric Biggers commit a16e772e664b9a261424107784804cffc8894977 upstream. Since Poly1305 requires a nonce per invocation, the Linux kernel implementations of Poly1305 don't

[PATCH 4.15 113/202] crypto: hash - prevent using keyed hashes without setting key

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Eric Biggers commit 9fa68f620041be04720d0cbfb1bd3ddfc6310b24 upstream. Currently, almost none of the keyed hash algorithms check whether a key has been set before

[PATCH 4.15 114/202] media: v4l2-ioctl.c: use check_fmt for enum/g/s/try_fmt

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Hans Verkuil commit b2469c814fbc8f1f19676dd4912717b798df511e upstream. Don't duplicate the buffer type checks in enum/g/s/try_fmt. The check_fmt function does that

[PATCH 4.15 116/202] media: v4l2-compat-ioctl32.c: add missing VIDIOC_PREPARE_BUF

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Hans Verkuil commit 3ee6d040719ae09110e5cdf24d5386abe5d1b776 upstream. The result of the VIDIOC_PREPARE_BUF ioctl was never copied back to userspace since it was

Re: [PATCH 2/2] mm: Add kvmalloc_ab_c and kvzalloc_struct

On Thu, Feb 15, 2018 at 09:55:11AM -0600, Christopher Lameter wrote: > On Wed, 14 Feb 2018, Matthew Wilcox wrote: > > > > Uppercase like the similar KMEM_CACHE related macros in > > > include/linux/slab.h?> > > > > Do you think that would look better in the users? Compare: > > Does looking

[PATCH 3/7] sched/fair: Consider misfit tasks when load-balancing

On asymmetric cpu capacity systems load intensive tasks can end up on cpus that don't suit their compute demand. In this scenarios 'misfit' tasks should be migrated to cpus with higher compute capacity to ensure better throughput. group_misfit_task indicates this scenario, but tweaks to the

[PATCH 1/7] sched: Add static_key for asymmetric cpu capacity optimizations

The existing asymmetric cpu capacity code should cause minimal overhead for others. Putting it behind a static_key, it has been done for SMT optimizations, would make it easier to extend and improve without causing harm to others moving forward. cc: Ingo Molnar cc: Peter

[PATCH 6/7] sched: Rename root_domain->overload to should_idle_balance

From: Valentin Schneider The name "overload" is not very explicit, especially since it doesn't use any concept of "load" coming from load-tracking signals. For now it simply tracks if any of the CPUs in root_domain has more than one runnable task, and is then used to

[PATCH V2] posix-timers: Protect posix clock array access against speculation

The clockid argument of clockid_to_kclock() comes straight from user space via various syscalls and is used as index into the posix_clocks array. Protect it against spectre v1 array out of bounds speculation. Remove the redundant check for !posix_clock[id] as this is another source for

[PATCH 7/7] sched/fair: Set sd->should_idle_balance when misfit

From: Valentin Schneider Idle balance is a great opportunity to pull a misfit task. However, there are scenarios where misfit tasks are present but idle balance is prevented by the should_idle_balance flag. A good example of this is a workload of n identical tasks.

[PATCH 4.15 085/202] [Variant 2/Spectre-v2] arm/arm64: smccc: Implement SMCCC v1.1 inline primitive

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Marc Zyngier Commit f2d3b2e8759a upstream. One of the major improvement of SMCCC v1.1 is that it only clobbers the first 4 registers, both on 32 and 64bit. This means

[PATCH 4.15 045/202] [Variant 3/Meltdown] arm64: Force KPTI to be disabled on Cavium ThunderX

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Marc Zyngier Commit 6dc52b15c4a4 upstream. Cavium ThunderX's erratum 27456 results in a corruption of icache entries that are loaded from memory that is mapped as

[PATCH 4.15 053/202] [Variant 1/Spectre-v1] arm64: entry: Ensure branch through syscall table is bounded under speculation

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit 6314d90e6493 upstream. In a similar manner to array_index_mask_nospec, this patch introduces an assembly macro (mask_nospec64) which can be used to

[PATCH 4.15 054/202] [Variant 1/Spectre-v1] arm64: uaccess: Prevent speculative use of the current addr_limit

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit c2f0ad4fc089 upstream. A mispredicted conditional call to set_fs could result in the wrong addr_limit being forwarded under speculation to a

[PATCH 4.15 052/202] [Variant 1/Spectre-v1] arm64: Use pointer masking to limit uaccess speculation

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Robin Murphy Commit 4d8efc2d5ee4 upstream. Similarly to x86, mitigate speculation past an access_ok() check by masking the pointer against the address limit before use.

[PATCH -next v2 0/3] sysvipc: introduce STAT_ANY commands

Changes from v1 (https://lwn.net/Articles/747225/): - Renamed cmds to STAT_ANY, instead of STAT_ALL (per Eric). - Added Robert's reported-by tag. - Added changes for smack lsm. Hi, The following patches adds the discussed[1] new command for shm as well as for sems and msq as they are subject to

[PATCH 3/3] ipc/msg: introduce msgctl(MSG_STAT_ANY)

There is a permission discrepancy when consulting msq ipc object metadata between /proc/sysvipc/msg (0444) and the MSG_STAT shmctl command. The later does permission checks for the object vs S_IRUGO. As such there can be cases where EACCESS is returned via syscall but the info is displayed anyways

[PATCH 1/3] ipc/shm: introduce shmctl(SHM_STAT_ANY)

There is a permission discrepancy when consulting shm ipc object metadata between /proc/sysvipc/shm (0444) and the SHM_STAT shmctl command. The later does permission checks for the object vs S_IRUGO. As such there can be cases where EACCESS is returned via syscall but the info is displayed anyways

Re: [PATCH] drm/i915/selftests: fix inconsistent IS_ERR and PTR_ERR

Quoting Gustavo A. R. Silva (2018-02-15 16:09:09) > > > On 02/15/2018 03:13 AM, Jani Nikula wrote: > > On Wed, 14 Feb 2018, "Gustavo A. R. Silva" wrote: > >> Fix inconsistent IS_ERR and PTR_ERR in shrink_boom. > >> The proper pointer to use is _explode_ instead of

Re: [PATCH 2/4] arm64: dts: renesas: r8a77995: add FCPVD nodes

On Thu, Feb 15, 2018 at 04:20:42PM +, Kieran Bingham wrote: > Hi Simon, > > On 15/02/18 16:14, Simon Horman wrote: > > On Tue, Feb 13, 2018 at 02:32:22PM +0200, Laurent Pinchart wrote: > >> Hi Kieran, > >> > >> Thank you for the patch. > >> > >> On Tuesday, 13 February 2018 00:25:27 EET

[PATCH 4.15 064/202] [Variant 2/Spectre-v2] arm64: Move BP hardening to check_and_switch_context

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Marc Zyngier Commit a8e4c0a919ae upstream. We call arm64_apply_bp_hardening() from post_ttbr_update_workaround, which has the unexpected consequence of being triggered

Re: [PATCH v7 0/5] Add Intel IOMMU debugfs support

On Thu, 15 Feb 2018 10:53:38 +0100 Joerg Roedel wrote: > On Tue, Feb 13, 2018 at 02:53:32PM -0800, Jacob Pan wrote: > > We did start out with /dev/mem but run into CONFIG_STRICT_DEVMEM > > requirement which is turned on by default. > > libpci is only limited to PCI config space

[PATCH 4.15 060/202] [Variant 2/Spectre-v2] arm64: cpufeature: Pass capability structure to ->enable callback

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit 0a0d111d40fd upstream. In order to invoke the CPU capability ->matches callback from the ->enable callback for applying local-CPU workarounds, we need

Re: [PATCH v7 04/37] earlycon: add reg-offset to physical address before mapping

On Tue, Feb 13, 2018 at 3:09 AM, Greentime Hu wrote: > It will get the wrong virtual address because port->mapbase is not added > the correct reg-offset yet. We have to update it before earlycon_map() > is called > > Signed-off-by: Greentime Hu >

[PATCH 4.15 058/202] [Variant 2/Spectre-v2] arm64: cpufeature: __this_cpu_has_cap() shouldnt stop early

4.15-stable review patch. If anyone has any objections, please let me know. -- From: James Morse Commit edf298cfce47 upstream. this_cpu_has_cap() tests caps->desc not caps->matches, so it stops walking the list when it finds a 'silent' feature, instead

[PATCH 4.15 014/202] media: hdpvr: Fix an error handling path in hdpvr_probe()

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Arvind Yadav commit c0f71bbb810237a38734607ca4599632f7f5d47f upstream. Here, hdpvr_register_videodev() is responsible for setup and register a video device. Also

[PATCH 4.15 046/202] [Variant 3/Meltdown] arm64: entry: Reword comment about post_ttbr_update_workaround

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit f167211a93ac upstream. We don't fully understand the Cavium ThunderX erratum, but it appears that mapping the kernel as nG can lead to horrible

[PATCH 4.15 044/202] [Variant 3/Meltdown] arm64: kpti: Add ->enable callback to remap swapper using nG mappings

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit f992b4dfd58b upstream. Defaulting to global mappings for kernel space is generally good for performance and appears to be necessary for Cavium

[PATCH 4.15 043/202] [Variant 3/Meltdown] arm64: mm: Permit transitioning from Global to Non-Global without BBM

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit 4e6020565596 upstream. Break-before-make is not needed when transitioning from Global to Non-Global mappings, provided that the contiguous hint is not

Re: [PATCH 7/8] arm64: dts: renesas: r8a77995-draak: Add HDMI Out through ADV7511

On Thu, Feb 15, 2018 at 04:16:00PM +0200, Laurent Pinchart wrote: > Hi Kieran, > > Thank you for the patch. > > On Thursday, 15 February 2018 10:38:22 EET Kieran Bingham wrote: > > From: Kieran Bingham > > > > Provide a device node for the ADV7511 as found on

[PATCH 4.15 034/202] [Variant 3/Meltdown] arm64: Kconfig: Add CONFIG_UNMAP_KERNEL_AT_EL0

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit 084eb77cd3a8 upstream. Add a Kconfig entry to control use of the entry trampoline, which allows us to unmap the kernel whilst running in userspace and

[PATCH 4.15 036/202] [Variant 3/Meltdown] arm64: Take into account ID_AA64PFR0_EL1.CSV3

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit 179a56f6f9fb upstream. For non-KASLR kernels where the KPTI behaviour has not been overridden on the command line we can use ID_AA64PFR0_EL1.CSV3 to

[v4 1/6] mm/memory_hotplug: enforce block size aligned range check

Start qemu with the following arguments: -m 64G,slots=2,maxmem=66G -object memory-backend-ram,id=mem1,size=2G Which boots machine with 64G and adds a device mem1 with 2G that can be hotplugged later. Also make sure that .config has the following options turned on: CONFIG_MEMORY_HOTPLUG

[PATCH 4.15 016/202] [Variant 3/Meltdown] arm64: mm: Temporarily disable ARM64_SW_TTBR0_PAN

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit 376133b7edc2 upstream. We're about to rework the way ASIDs are allocated, switch_mm is implemented and low-level kernel entry/exit is handled, so keep

[PATCH 4.15 017/202] [Variant 3/Meltdown] arm64: mm: Move ASID from TTBR0 to TTBR1

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit 7655abb95386 upstream. In preparation for mapping kernelspace and userspace with different ASIDs, move the ASID to TTBR1 and update switch_mm to

Re: [PATCH v5 1/3] sched: Stop nohz stats when decayed

On 15-Feb 17:50, Peter Zijlstra wrote: > On Thu, Feb 15, 2018 at 03:22:47PM +, Patrick Bellasi wrote: > > > > static struct { > > > > cpumask_var_t idle_cpus_mask; > > > > atomic_t nr_cpus; > > > > + int has_blocked;/* Idle CPUS has blocked load */ > > >

[v4 0/6] optimize memory hotplug

Changelog: v3 - v4 Addressed comments from Ingo Molnar and from Michal Hocko Splitted 4th patch into three patches Instead of using section table to save node ids, saving node id in the first page of every section. v2 - v3 Fixed two issues

[v4 4/6] mm/memory_hotplug: optimize probe routine

When memory is hotplugged pages_correctly_reserved() is called to verify that the added memory is present, this routine traverses through every struct page and verifies that PageReserved() is set. This is a slow operation especially if a large amount of memory is added. Instead of checking every

v4.16-rc1 misaligned atomics in skb__clone / __napi_alloc_skb

Hi, While fuzzing arm64 v4.16-rc1 with Syzkaller, I've been hitting a misaligned atomic in __skb_clone: atomic_inc(&(skb_shinfo(skb)->dataref)); .. where dataref doesn't have the required natural alignment, and the atomic operation faults. e.g. i often see it aligned to a single byte

[PATCH 4.14 167/195] alpha: fix reboot on Avanti platform

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Mikulas Patocka commit 55fc633c41a08ce9244ff5f528f420b16b1e04d6 upstream. We need to define NEED_SRM_SAVE_RESTORE on the Avanti, otherwise we get machine check exception

[PATCH 4.14 166/195] alpha: Fix mixed up args in EXC macro in futex operations

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Michael Cree commit 84e455361ec97ea6037d31d42a2955628ea2094b upstream. Fix the typo (mixed up arguments) in the EXC macro in the futex definitions introduced by commit

[PATCH 4.14 195/195] scsi: cxlflash: Reset command ioasc

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Uma Krishnan commit 96cf727fe8f102bf92150b741db71ee39fb8c521 upstream. In the event of a command failure, cxlflash returns the failure to the upper layers to

Re: [RFC PATCH 3/5] asm-generic/bitops/atomic.h: Rewrite using atomic_fetch_*

On Thu, Feb 15, 2018 at 03:29:33PM +, Will Deacon wrote: > +static inline void set_bit(unsigned int nr, volatile unsigned long *p) > +{ > + p += BIT_WORD(nr); > + atomic_long_fetch_or_relaxed(BIT_MASK(nr), (atomic_long_t *)p); > +} > > +static inline void clear_bit(unsigned int nr,

[PATCH 4.14 179/195] clocksource/drivers/stm32: Fix kernel panic with multiple timers

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Daniel Lezcano commit e0aeca3d8cbaea514eb98df1149faa918f9ec42d upstream. The current code hides a couple of bugs: - The global variable 'clock_event_ddata' is

[PATCH 4.14 178/195] blk-mq: quiesce queue before freeing queue

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Ming Lei commit c2856ae2f315d754a0b6a268e4c6745b332b42e7 upstream. After queue is frozen, dispatch still may happen, for example: 1) requests are submitted from several

Consolidate tasklet + tasklet-hi code

Ingo made a RT patch a few years back called "tasklet: Prevent tasklets from going into infinite spin in RT" [0]. I ripped the non-RT pieces out of it and here they are. I kept him as the original Author. [0]

[PATCH 4.14 095/195] mtd: cfi: convert inline functions to macros

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Arnd Bergmann commit 9e343e87d2c4c707ef8fae2844864d4dde3a2d13 upstream. The map_word_() functions, dating back to linux-2.6.8, try to perform bitwise operations on a 'map_word'

[PATCH 4.14 054/195] [Variant 3/Meltdown] arm64: entry: Reword comment about post_ttbr_update_workaround

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit f167211a93ac upstream. We don't fully understand the Cavium ThunderX erratum, but it appears that mapping the kernel as nG can lead to horrible

[PATCH 4.14 056/195] [Variant 1/Spectre-v1] arm64: barrier: Add CSDB macros to control data-value prediction

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit 669474e772b9 upstream. For CPUs capable of data value prediction, CSDB waits for any outstanding predictions to architecturally resolve before

Re: [PATCH 3/3] percpu: Remove inert tracepoint in __init code

On Thu, Feb 15, 2018 at 07:22:46AM -0800, Tejun Heo wrote: > On Wed, Feb 14, 2018 at 10:40:43AM -0600, Josh Poimboeuf wrote: > > The jump_label code doesn't patch init code, so this tracepoint can > > never be enabled. Remove it. > > > > Cc: Tejun Heo > > Signed-off-by: Josh

[PATCH 4.14 051/195] [Variant 3/Meltdown] arm64: mm: Permit transitioning from Global to Non-Global without BBM

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit 4e6020565596 upstream. Break-before-make is not needed when transitioning from Global to Non-Global mappings, provided that the contiguous hint is not

[PATCH 4.15 168/202] alpha: fix crash if pthread_create races with signal delivery

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Mikulas Patocka commit 21ffceda1c8b3807615c40d440d7815e0c85d366 upstream. On alpha, a process will crash if it attempts to start a thread and a signal is delivered at the

[PATCH 4.15 167/202] signal/sh: Ensure si_signo is initialized in do_divide_error

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Eric W. Biederman commit 0e88bb002a9b2ee8cc3cc9478ce2dc126f849696 upstream. Set si_signo. Cc: Yoshinori Sato Cc: Rich Felker

Re: [PATCH 08/15] Documentation: devicetree: renesas,sci: Add r8a77965

On Tue, Feb 13, 2018 at 10:45:55AM +0100, Jacopo Mondi wrote: > Add documentation for r8a77965 compatible string to reneass sci-serial > device tree bindings documentation. I think a better subject would be: dt-bindings: serial: sh-sci: Add support for r8a77965 (H)SCIF

Re: [PATCH] crypto: qat - Make several functions static

On Tue, Feb 06, 2018 at 11:36:42PM +, Colin King wrote: > From: Colin Ian King > > Functions qat_rsa_set_n, qat_rsa_set_e and qat_rsa_set_n are local to > the source and do not need to be in global scope, so make them static. > > Cleans up sparse warnings: >

Re: [PATCH] crypto: s5p-sss.c: Fix kernel Oops in AES-ECB mode

On Mon, Feb 05, 2018 at 06:40:20PM +0100, Kamil Konieczny wrote: > > In AES-ECB mode crypt is done with key only, so any use of IV > can cause kernel Oops, as reported by Anand Moon. > Fixed it by using IV only in AES-CBC and AES-CTR. > > Signed-off-by: Kamil Konieczny

Re: [PATCH 06/15] Documentation: devicetree: dma: Add r8a77965 dmac

On Thu, Feb 15, 2018 at 04:39:49PM +0100, Simon Horman wrote: > On Tue, Feb 13, 2018 at 10:45:53AM +0100, Jacopo Mondi wrote: > > Add documentation for r8a77965 compatible string to rcar-dmac device > > tree bindings documentation. > > > > Signed-off-by: Jacopo Mondi >

[PATCH 0/3] USB OTG on STM32F7 boards

This patchset adds support for Peripheral mode on stm32f746 by adding dwc2 gadget fifo sizes and enables USB OTG HS in OTG (DRD) mode on stm32746g-eval and stm32f769-disco. It possible to use OTG HS in Peripheral or Host mode, depending on the USB connector. Amelie Delaunay (3): ARM: dts:

[PATCH 4.15 125/202] media: v4l2-compat-ioctl32.c: refactor compat ioctl32 logic

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Daniel Mentz commit a1dfb4c48cc1e64eeb7800a27c66a6f7e88d075a upstream. The 32-bit compat v4l2 ioctl handling is implemented based on its 64-bit equivalent. It converts

[PATCH 4.15 084/202] [Variant 2/Spectre-v2] arm/arm64: smccc: Make function identifiers an unsigned quantity

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Marc Zyngier Commit ded4c39e93f3 upstream. Function identifiers are a 32bit, unsigned quantity. But we never tell so to the compiler, resulting in the following: 4ac:

[PATCH 4.15 136/202] KVM: PPC: Book3S PR: Fix broken select due to misspelling

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Ulf Magnusson commit 57ea5f161a7de5b1913c212d04f57a175b159fdf upstream. Commit 76d837a4c0f9 ("KVM: PPC: Book3S PR: Don't include SPAPR TCE code on non-pseries platforms")

[PATCH 2/7] sched/fair: Add group_misfit_task load-balance type

To maximize throughput in systems with asymmetric cpu capacities (e.g. ARM big.LITTLE) load-balancing has to consider task and cpu utilization as well as per-cpu compute capacity when load-balancing in addition to the current average load based load-balancing policy. Tasks with high utilization

[PATCH 4/7] sched/fair: Avoid unnecessary balancing of asymmetric capacity groups

On systems with asymmetric cpu capacities, a skewed load distribution might yield better throughput than balancing load per group capacity. For example, preferring high capacity cpus for compute intensive tasks leaving low capacity cpus idle rather than balancing the number of idle cpus across

[PATCH 5/7] sched/fair: Kick nohz balance if rq->misfit_task

From: Valentin Schneider There already are a few conditions in nohz_kick_needed() to ensure a nohz kick is triggered, but they are not enough for some misfit task scenarios. Excluding asym packing, those are: * rq->nr_running >=2: Not relevant here because we are

[PATCH 0/7] sched/fair: Migrate 'misfit' tasks on asymmetric capacity systems

On asymmetric cpu capacity systems (e.g. Arm big.LITTLE) it is crucial for performance that cpu intensive tasks are aggressively migrated to high capacity cpus as soon as those become available. The capacity awareness tweaks already in the wake-up path can't handle this as such tasks might run or

[PATCH 4.15 095/202] ubifs: free the encrypted symlink target

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Eric Biggers commit 6b46d444146eb8d0b99562795cea8086639d7282 upstream. ubifs_symlink() forgot to free the kmalloc()'ed buffer holding the encrypted symlink target,

Re: [PATCH v3 0/5] crypto: ahash.c: Require export/import in ahash

On 02/15/2018 04:41 PM, Herbert Xu wrote: > On Thu, Jan 18, 2018 at 07:33:59PM +0100, Kamil Konieczny wrote: >> First four patches add empty hash export and import functions to each driver, >> with the same behaviour as in crypto framework. The last one drops them from >> crypto framework. Last

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Re: [PATCH v3 2/5] arm64: dts: renesas: r8a77995: add VSP instances

On Wed, Feb 14, 2018 at 09:55:05AM +, Kieran Bingham wrote: > From: Kieran Bingham > > The r8a77995 has a VSPBS to support image processing such as blending of > two input images, and has two VSPDs to handle display pipelines with a > DU. > >

[PATCH 4.15 071/202] [Variant 2/Spectre-v2] arm64: Branch predictor hardening for Cavium ThunderX2

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Jayachandran C Commit f3d795d9b360 upstream. Use PSCI based mitigation for speculative execution attacks targeting the branch predictor. We use the same mechanism

[PATCH v12 0/8] TDA1997x HDMI video reciver

This is a v4l2 subdev driver supporting the TDA1997x HDMI video receiver. I've tested this on a Gateworks GW54xx/GW551x with an IMX6Q/IMX6DL which uses the TDA19971 with 16bits connected to the IMX6 CSI and single-lane I2S audio providing 2-channel audio. For this configuration I've tested both

Re: [PATCH 1/3] percpu: match chunk allocator declarations with definitions

On Thu, 15 Feb 2018, Dennis Zhou wrote: > At some point the function declaration parameters got out of sync with > the function definitions in percpu-vm.c and percpu-km.c. This patch > makes them match again. Acked-by: Christoph Lameter

[PATCH 4.15 047/202] [Variant 3/Meltdown] arm64: idmap: Use "awx" flags for .idmap.text .pushsection directives

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit 439e70e27a51 upstream. The identity map is mapped as both writeable and executable by the SWAPPER_MM_MMUFLAGS and this is relied upon by the kpti code

[PATCH 4.15 062/202] [Variant 2/Spectre-v2] arm64: Move post_ttbr_update_workaround to C code

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Marc Zyngier Commit 95e3de3590e3 upstream. We will soon need to invoke a CPU-specific function pointer after changing page tables, so move post_ttbr_update_workaround

Re: [PATCH] x86/mm/kaiser: avoid 32-bit/PAE build warning

On Thu, Feb 15, 2018 at 04:37:10PM +0100, Arnd Bergmann wrote: > On Thu, Feb 15, 2018 at 6:43 AM, Greg KH wrote: > > On Wed, Feb 14, 2018 at 11:12:24PM +0100, Arnd Bergmann wrote: > >> On Wed, Dec 6, 2017 at 4:08 PM, Dave Hansen > >>

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