[PATCH 4.14 062/195] [Variant 1/Spectre-v1] arm64: uaccess: Dont bother eliding access_ok checks in __{get, put}_user

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit 84624087dd7e upstream. access_ok isn't an expensive operation once the addr_limit for the current thread has been loaded into the cache. Given that the initial access_ok ch

[PATCH 4.14 065/195] [Variant 2/Spectre-v2] arm64: cpufeature: __this_cpu_has_cap() shouldnt stop early

4.14-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 of walking to the end o

[PATCH 4.14 064/195] [Variant 1/Spectre-v1] arm64: futex: Mask __user pointers prior to dereference

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit 91b2d3442f6a upstream. The arm64 futex code has some explicit dereferencing of user pointers where performing atomic operations in response to a futex command. This patch u

[PATCH 4.14 067/195] [Variant 2/Spectre-v2] arm64: cpufeature: Pass capability structure to ->enable callback

4.14-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 a handle on the capab

[PATCH 4.14 073/195] [Variant 2/Spectre-v2] arm64: entry: Apply BP hardening for high-priority synchronous exceptions

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit 5dfc6ed27710 upstream. Software-step and PC alignment fault exceptions have higher priority than instruction abort exceptions, so apply the BP hardening hooks there too if

[PATCH 4.14 076/195] [Variant 2/Spectre-v2] arm64: Implement branch predictor hardening for affected Cortex-A CPUs

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit aa6acde65e03 upstream. Cortex-A57, A72, A73 and A75 are susceptible to branch predictor aliasing and can theoretically be attacked by malicious code. This patch implements

[PATCH 4.14 080/195] [Variant 2/Spectre-v2] arm/arm64: KVM: Consolidate the PSCI include files

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Marc Zyngier Commit 1a2fb94e6a77 upstream. As we're about to update the PSCI support, and because I'm lazy, let's move the PSCI include file to include/kvm so that both ARM architectures can

[PATCH 4.14 081/195] [Variant 2/Spectre-v2] arm/arm64: KVM: Add PSCI_VERSION helper

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Marc Zyngier Commit d0a144f12a7c upstream. As we're about to trigger a PSCI version explosion, it doesn't hurt to introduce a PSCI_VERSION helper that is going to be used everywhere. Reviewe

[PATCH 4.14 084/195] [Variant 2/Spectre-v2] arm/arm64: KVM: Advertise SMCCC v1.1

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Marc Zyngier Commit 09e6be12effd upstream. The new SMC Calling Convention (v1.1) allows for a reduced overhead when calling into the firmware, and provides a new feature discovery mechanism.

[PATCH 4.14 055/195] [Variant 3/Meltdown] arm64: idmap: Use "awx" flags for .idmap.text .pushsection directives

4.14-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 to manage a synchroni

[PATCH 4.14 047/195] [Variant 3/Meltdown] arm64: kpti: Fix the interaction between ASID switching and software PAN

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Catalin Marinas Commit 6b88a32c7af6 upstream. With ARM64_SW_TTBR0_PAN enabled, the exception entry code checks the active ASID to decide whether user access was enabled (non-zero ASID) when t

[PATCH 4.14 102/195] ubifs: free the encrypted symlink target

4.14-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, creating a memory leak. Fix

[PATCH 4.14 104/195] nfs41: do not return ENOMEM on LAYOUTUNAVAILABLE

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Tigran Mkrtchyan commit 7ff4cff637aa0bd2abbd81f53b2a6206c50afd95 upstream. A pNFS server may return LAYOUTUNAVAILABLE error on LAYOUTGET for files which don't have any layout. In this situatio

[PATCH 4.14 109/195] NFS: Fix a race between mmap() and O_DIRECT

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Trond Myklebust commit e231c6879cfd44e4fffd384bb6dd7d313249a523 upstream. When locking the file in order to do O_DIRECT on it, we must unmap any mmapped ranges on the pagecache so that we can

[PATCH 4.14 100/195] ubi: fastmap: Erase outdated anchor PEBs during attach

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Sascha Hauer commit f78e5623f45bab2b726eec29dc5cefbbab2d0b1c upstream. The fastmap update code might erase the current fastmap anchor PEB in case it doesn't find any new free PEB. When a power

[PATCH 4.14 111/195] ahci: Annotate PCI ids for mobile Intel chipsets as such

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Hans de Goede commit ca1b4974bd237f2373b0e980b11957aac3499b56 upstream. Intel uses different SATA PCI ids for the Desktop and Mobile SKUs of their chipsets. For older models the comment descri

[PATCH 4.14 107/195] NFS: commit direct writes even if they fail partially

4.14-stable review patch. If anyone has any objections, please let me know. -- From: J. Bruce Fields commit 1b8d97b0a837beaf48a8449955b52c650a7114b4 upstream. If some of the WRITE calls making up an O_DIRECT write syscall fail, we neglect to commit, even if some of the WRITEs

[PATCH 4.14 088/195] [Variant 2/Spectre-v2] arm64: KVM: Add SMCCC_ARCH_WORKAROUND_1 fast handling

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Marc Zyngier Commit f72af90c3783 upstream. We want SMCCC_ARCH_WORKAROUND_1 to be fast. As fast as possible. So let's intercept it as early as we can by testing for the function call number as

[PATCH 4.14 113/195] ahci: Add Intel Cannon Lake PCH-H PCI ID

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Mika Westerberg commit f919dde0772a894c693a1eeabc77df69d6a9b937 upstream. Add Intel Cannon Lake PCH-H PCI ID to the list of supported controllers. Signed-off-by: Mika Westerberg Signed-off-b

[PATCH 4.14 117/195] crypto: poly1305 - remove ->setkey() method

4.14-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 use the crypto API's k

[PATCH 4.14 092/195] [Variant 2/Spectre-v2] arm/arm64: smccc: Implement SMCCC v1.1 inline primitive

4.14-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 that it becomes very eas

Applied "ASoC: hdac_hdmi : Ensuring proper setting of output widget power state" to the asoc tree

The patch ASoC: hdac_hdmi : Ensuring proper setting of output widget power state has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git All being well this means that it will be integrated into the linux-next tree (usually sometime in the n

[PATCH 4.14 131/195] media: v4l2-compat-ioctl32.c: refactor compat ioctl32 logic

4.14-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 32-bit data structures i

[PATCH 4.14 094/195] [Variant 2/Spectre-v2] arm64: Kill PSCI_GET_VERSION as a variant-2 workaround

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Marc Zyngier Commit 3a0a397ff5ff upstream. Now that we've standardised on SMCCC v1.1 to perform the branch prediction invalidation, let's drop the previous band-aid. If vendors haven't update

[PATCH 4.14 093/195] [Variant 2/Spectre-v2] arm64: Add ARM_SMCCC_ARCH_WORKAROUND_1 BP hardening support

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Marc Zyngier Commit b092201e0020 upstream. Add the detection and runtime code for ARM_SMCCC_ARCH_WORKAROUND_1. It is lovely. Really. Tested-by: Ard Biesheuvel Signed-off-by: Marc Zyngier S

[PATCH 4.14 139/195] KVM: PPC: Book3S HV: Make sure we dont re-enter guest without XIVE loaded

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Paul Mackerras commit 43ff3f65234061e08d234bdef5a9aadc19832b74 upstream. This fixes a bug where it is possible to enter a guest on a POWER9 system without having the XIVE (interrupt controller

[PATCH 4.14 136/195] arm: KVM: Fix SMCCC handling of unimplemented SMC/HVC calls

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Marc Zyngier commit 20e8175d246e9f9deb377f2784b3e7dfb2ad3e86 upstream. KVM doesn't follow the SMCCC when it comes to unimplemented calls, and inject an UNDEF instead of returning an error. Sin

[PATCH 4.14 086/195] [Variant 2/Spectre-v2] arm/arm64: KVM: Turn kvm_psci_version into a static inline

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Marc Zyngier Commit a4097b351118 upstream. We're about to need kvm_psci_version in HYP too. So let's turn it into a static inline, and pass the kvm structure as a second parameter (so that HY

[PATCH 4.14 144/195] ASoC: skl: Fix kernel warning due to zero NHTL entry

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Takashi Iwai commit 20a1eae7cbf96e9bf8579362e971491e6aea upstream. I got the following kernel warning when loading snd-soc-skl module on Dell Latitude 7270 laptop: memremap attempted on m

[PATCH 4.14 142/195] KVM: PPC: Book3S PR: Fix broken select due to misspelling

4.14-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") added a reference to

[PATCH 4.14 123/195] media: v4l2-compat-ioctl32.c: fix the indentation

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Hans Verkuil commit b7b957d429f601d6d1942122b339474f31191d75 upstream. The indentation of this source is all over the place. Fix this. This patch only changes whitespace. Signed-off-by: Hans

[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 (memset) and one without (_

Re: [PATCH 1/2] pps-gpio: Avoid flooding syslog

On 15/02/18 16:12, Lukas Senger wrote: Why a void function? You should use it to toggle echoing GPIO... =8-o RFC 2783 says to generate the echo pulse "as rapidly as possible" which is why I do the toggling in the irq handler. However this leaves the default echo function installed which just

[PATCH 4.14 150/195] media: ts2020: avoid integer overflows on 32 bit machines

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Mauro Carvalho Chehab commit 81742be14b6a90c9fd0ff6eb4218bdf696ad8e46 upstream. Before this patch, when compiled for arm32, the signal strength were reported as: Lock (0x1f) Signal= 4294908

[PATCH 4.14 157/195] HID: quirks: Fix keyboard + touchpad on Toshiba Click Mini not working

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Hans de Goede commit edfc3722cfef4217c7fe92b272cbe0288ba1ff57 upstream. The Toshiba Click Mini uses an i2c attached keyboard/touchpad combo (single i2c_hid device for both) which has a vid:pid

[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 * sizeof(__u32) was used instead of si

[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 documented in both Doc

[PATCH 4.14 121/195] media: v4l2-ioctl.c: dont copy back the result for -ENOTTY

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Hans Verkuil commit 181a4a2d5a0a7b43cab08a70710d727e7764ccdd upstream. If the ioctl returned -ENOTTY, then don't bother copying back the result as there is no point. Signed-off-by: Hans Verku

[PATCH 4.14 168/195] alpha: fix formating of stack content

4.14-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 pr_cont is used. Fix the

[PATCH 4.14 173/195] pinctrl: sx150x: Unregister the pinctrl on release

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Peter Rosin commit 0657cb50b5a75abd92956028727dc255d690a4a6 upstream. There is no matching call to pinctrl_unregister, so switch to the managed devm_pinctrl_register to clean up properly when

[PATCH 4.14 171/195] pinctrl: intel: Initialize GPIO properly when used through irqchip

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Mika Westerberg commit f5a26acf0162477af6ee4c11b4fb9cffe5d3e257 upstream. When a GPIO is requested using gpiod_get_* APIs the intel pinctrl driver switches the pin to GPIO mode and makes sure

[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() and disk_release() but d

[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 the BTUSB_RESET_RESUM

[PATCH 4.14 180/195] lib/ubsan.c: s/missaligned/misaligned/

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Andrew Morton commit b8fe1120b4ba342b4f156d24e952d6e686b20298 upstream. A vist from the spelling fairy. Cc: David Laight Cc: Andrey Ryabinin Signed-off-by: Andrew Morton Signed-off-by: Lin

[PATCH 4.14 183/195] objtool: Fix switch-table detection

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Peter Zijlstra commit 99ce7962d52d1948ad6f2785e308d48e76e0a6ef upstream. Linus reported that GCC-7.3 generated a switch-table construct that confused objtool. It turns out that, in particular

[PATCH 4.14 186/195] ACPI: sbshc: remove raw pointer from printk() message

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Greg Kroah-Hartman commit 43cdd1b716b26f6af16da4e145b6578f98798bf6 upstream. There's no need to be printing a raw kernel pointer to the kernel log at every boot. So just remove it, and change

[PATCH 4.14 182/195] btrfs: Handle btrfs_set_extent_delalloc failure in fixup worker

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Nikolay Borisov commit f3038ee3a3f1017a1cbe9907e31fa12d366c5dcb upstream. This function was introduced by 247e743cbe6e ("Btrfs: Use async helpers to deal with pages that have been improperly d

[PATCH 4.14 193/195] scsi: core: Ensure that the SCSI error handler gets woken up

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Bart Van Assche commit 3bd6f43f5cb3714f70c591514f344389df593501 upstream. If scsi_eh_scmd_add() is called concurrently with scsi_host_queue_ready() while shost->host_blocked > 0 then it can ha

[PATCH 4.14 189/195] ovl: take mnt_want_write() for removing impure xattr

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Amir Goldstein commit a5a927a7c82e28ea76599dee4019c41e372c911f upstream. The optimization in ovl_cache_get_impure() that tries to remove an unneeded "impure" xattr needs to take mnt_want_write

[PATCH 4.14 191/195] devpts: fix error handling in devpts_mntget()

4.14-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(): BUG: unable to handle k

[PATCH 4.14 161/195] ipmi: use dynamic memory for DMI driver override

4.14-stable review patch. If anyone has any objections, please let me know. -- From: John Garry commit 5516e21a1e95e9b9f39985598431a25477d91643 upstream. Currently a crash can be seen if we reach the "err" label in dmi_add_platform_ipmi(), calling platform_device_put(), like h

[PATCH 4.14 163/195] signal/sh: Ensure si_signo is initialized in do_divide_error

4.14-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 Cc: Paul Mundt Cc: linux...@vger.kernel.org Fixes: 0983b31849bb

[PATCH 4.14 164/195] alpha: fix crash if pthread_create races with signal delivery

4.14-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 same time. The crash

[PATCH 4.15 004/202] CIFS: zero sensitive data when freeing

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Aurelien Aptel commit 97f4b7276b829a8927ac903a119bef2f963ccc58 upstream. also replaces memset()+kfree() by kzfree(). Signed-off-by: Aurelien Aptel Signed-off-by: Steve French Reviewed-by: P

[PATCH 4.15 000/202] 4.15.4-stable review

This is the start of the stable review cycle for the 4.15.4 release. There are 202 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Sat Feb 17 15:16:28 UTC 2018. Anything receiv

[PATCH 4.15 001/202] watchdog: indydog: Add dependency on SGI_HAS_INDYDOG

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Matt Redfearn commit 24f8d233074badd4c18e4dafd2fb97d65838afed upstream. Commit da2a68b3eb47 ("watchdog: Enable COMPILE_TEST where possible") enabled building the Indy watchdog driver when COMP

[PATCH 4.15 018/202] [Variant 3/Meltdown] arm64: mm: Remove pre_ttbr0_update_workaround for Falkor erratum #E1003

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit 85d13c001497 upstream. The pre_ttbr0_update_workaround hook is called prior to context-switching TTBR0 because Falkor erratum E1003 can cause TLB allocation with the wrong

[PATCH 4.15 019/202] [Variant 3/Meltdown] arm64: mm: Rename post_ttbr0_update_workaround

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit 158d495899ce upstream. The post_ttbr0_update_workaround hook applies to any change to TTBRx_EL1. Since we're using TTBR1 for the ASID, rename the hook to make it clearer as

[PATCH 4.15 007/202] ssb: Do not disable PCI host on non-Mips

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Sven Joachim commit a9e6d44ddeccd3522670e641f1ed9b068e746ff7 upstream. After upgrading an old laptop to 4.15-rc9, I found that the eth0 and wlan0 interfaces had disappeared. It turns out that

[PATCH 4.15 025/202] [Variant 3/Meltdown] arm64: mm: Map entry trampoline into trampoline and kernel page tables

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit 51a0048beb44 upstream. The exception entry trampoline needs to be mapped at the same virtual address in both the trampoline page table (which maps nothing else) and also th

[PATCH 4.15 027/202] [Variant 3/Meltdown] arm64: entry: Hook up entry trampoline to exception vectors

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit 4bf3286d29f3 upstream. Hook up the entry trampoline to our exception vectors so that all exceptions from and returns to EL0 go via the trampoline, which swizzles the vector

[PATCH 4.15 029/202] [Variant 3/Meltdown] arm64: cpu_errata: Add Kryo to Falkor 1003 errata

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Stephen Boyd Commit bb48711800e6 upstream. The Kryo CPUs are also affected by the Falkor 1003 errata, so we need to do the same workaround on Kryo CPUs. The MIDR is slightly more complicated

[PATCH 4.15 031/202] [Variant 3/Meltdown] arm64: entry: Add fake CPU feature for unmapping the kernel at EL0

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit ea1e3de85e94 upstream. Allow explicit disabling of the entry trampoline on the kernel command line (kpti=off) by adding a fake CPU feature (ARM64_UNMAP_KERNEL_AT_EL0) that

[PATCH 4.15 037/202] [Variant 3/Meltdown] arm64: capabilities: Handle duplicate entries for a capability

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Suzuki K Poulose Commit 67948af41f2e upstream. Sometimes a single capability could be listed multiple times with differing matches(), e.g, CPU errata for different MIDR versions. This breaks

[PATCH 4.15 039/202] [Variant 3/Meltdown] arm64: kpti: Fix the interaction between ASID switching and software PAN

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Catalin Marinas Commit 6b88a32c7af6 upstream. With ARM64_SW_TTBR0_PAN enabled, the exception entry code checks the active ASID to decide whether user access was enabled (non-zero ASID) when t

[PATCH 4.15 008/202] watchdog: gpio_wdt: set WDOG_HW_RUNNING in gpio_wdt_stop

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Rasmus Villemoes commit bc137dfdbec27c0ec5731a89002daded4a4aa1ea upstream. The first patch above (https://patchwork.kernel.org/patch/9970181/) makes the oops go away, but it just papers over t

[PATCH 4.15 033/202] [Variant 3/Meltdown] arm64: use RET instruction for exiting the trampoline

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit be04a6d1126b upstream. Speculation attacks against the entry trampoline can potentially resteer the speculative instruction stream through the indirect branch and into arbi

[PATCH 4.15 011/202] sched/rt: Up the root domain ref count when passing it around via IPIs

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Steven Rostedt (VMware) commit 364f56653708ba8bcdefd4f0da2a42904baa8eeb upstream. When issuing an IPI RT push, where an IPI is sent to each CPU that has more than one RT task scheduled on it,

[PATCH 4.15 056/202] [Variant 1/Spectre-v1] arm64: uaccess: Mask __user pointers for __arch_{clear, copy_*}_user

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit f71c2ffcb20d upstream. Like we've done for get_user and put_user, ensure that user pointers are masked before invoking the underlying __arch_{clear,copy_*}_user operations.

[PATCH 4.15 040/202] [Variant 3/Meltdown] arm64: cputype: Add MIDR values for Cavium ThunderX2 CPUs

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Jayachandran C Commit 0d90718871fe upstream. Add the older Broadcom ID as well as the new Cavium ID for ThunderX2 CPUs. Signed-off-by: Jayachandran C Signed-off-by: Will Deacon Signed-off-

[PATCH 4.15 009/202] Revert "drm/i915: mark all device info struct with __initconst"

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Lionel Landwerlin commit b5a756a722286af9702d565501e1f690d075d16b upstream. This reverts commit 5b54eddd3920e9f6f1a6d972454baf350cbae77e. Conflicts: drivers/gpu/drm/i915/i915_pci.c

[PATCH 4.15 072/202] [Variant 2/Spectre-v2] arm64: KVM: Increment PC after handling an SMC trap

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Marc Zyngier Commit f5115e8869e1 upstream. When handling an SMC trap, the "preferred return address" is set to that of the SMC, and not the next PC (which is a departure from the behaviour of

[PATCH 4.15 069/202] [Variant 2/Spectre-v2] arm64: Implement branch predictor hardening for affected Cortex-A CPUs

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit aa6acde65e03 upstream. Cortex-A57, A72, A73 and A75 are susceptible to branch predictor aliasing and can theoretically be attacked by malicious code. This patch implements

[PATCH 4.15 070/202] [Variant 2/Spectre-v2] arm64: Implement branch predictor hardening for Falkor

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Shanker Donthineni Commit ec82b567a74f upstream. Falkor is susceptible to branch predictor aliasing and can theoretically be attacked by malicious code. This patch implements a mitigation for

[PATCH 4.15 068/202] [Variant 2/Spectre-v2] arm64: cputype: Add missing MIDR values for Cortex-A72 and Cortex-A75

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit a65d219fe5dc upstream. Hook up MIDR values for the Cortex-A72 and Cortex-A75 CPUs, since they will soon need MIDR matches for hardening the branch predictor. Signed-off-by

[PATCH 4.15 073/202] [Variant 2/Spectre-v2] arm/arm64: KVM: Consolidate the PSCI include files

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Marc Zyngier Commit 1a2fb94e6a77 upstream. As we're about to update the PSCI support, and because I'm lazy, let's move the PSCI include file to include/kvm so that both ARM architectures can

[PATCH 4.15 048/202] [Variant 3/Meltdown] perf: arm_spe: Fail device probe when arm64_kernel_unmapped_at_el0()

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Will Deacon Commit 7a4a0c1555b8 upstream. When running with the kernel unmapped whilst at EL0, the virtually-addressed SPE buffer is also unmapped, which can lead to buffer faults if userspac

[PATCH 4.15 076/202] [Variant 2/Spectre-v2] arm/arm64: KVM: Implement PSCI 1.0 support

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Marc Zyngier Commit 58e0b2239a4d upstream. PSCI 1.0 can be trivially implemented by providing the FEATURES call on top of PSCI 0.2 and returning 1.0 as the PSCI version. We happily ignore ev

[PATCH 4.15 079/202] [Variant 2/Spectre-v2] arm/arm64: KVM: Turn kvm_psci_version into a static inline

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Marc Zyngier Commit a4097b351118 upstream. We're about to need kvm_psci_version in HYP too. So let's turn it into a static inline, and pass the kvm structure as a second parameter (so that HY

[PATCH 4.15 083/202] [Variant 2/Spectre-v2] firmware/psci: Expose SMCCC version through psci_ops

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Marc Zyngier Commit e78eef554a91 upstream. Since PSCI 1.0 allows the SMCCC version to be (indirectly) probed, let's do that at boot time, and expose the version of the calling convention as p

[PATCH 4.15 051/202] [Variant 1/Spectre-v1] arm64: Make USER_DS an inclusive limit

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Robin Murphy Commit 51369e398d0d upstream. Currently, USER_DS represents an exclusive limit while KERNEL_DS is inclusive. In order to do some clever trickery for speculation-safe masking, we

[PATCH 4.15 081/202] [Variant 2/Spectre-v2] arm64: KVM: Add SMCCC_ARCH_WORKAROUND_1 fast handling

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Marc Zyngier Commit f72af90c3783 upstream. We want SMCCC_ARCH_WORKAROUND_1 to be fast. As fast as possible. So let's intercept it as early as we can by testing for the function call number as

[PATCH 4.15 101/202] NFS: reject request for id_legacy key without auxdata

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Eric Biggers commit 49686cbbb3ebafe42e63868222f269d8053ead00 upstream. nfs_idmap_legacy_upcall() is supposed to be called with 'aux' pointing to a 'struct idmap', via the call to request_key_w

[PATCH 4.15 103/202] nfsd: Detect unhashed stids in nfsd4_verify_open_stid()

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Trond Myklebust commit 4f1764172a0aa7395d12b96cae640ca1438c5085 upstream. The state of the stid is guaranteed by 2 locks: - The nfs4_client 'cl_lock' spinlock - The nfs4_ol_stateid 'st_mutex'

[PATCH 4.15 094/202] ubi: block: Fix locking for idr_alloc/idr_remove

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Bradley Bolen commit 7f29ae9f977bcdc3654e68bc36d170223c52fd48 upstream. This fixes a race with idr_alloc where gd->first_minor can be set to the same value for two simultaneous calls to ubiblo

[PATCH 4.15 097/202] nfs41: do not return ENOMEM on LAYOUTUNAVAILABLE

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Tigran Mkrtchyan commit 7ff4cff637aa0bd2abbd81f53b2a6206c50afd95 upstream. A pNFS server may return LAYOUTUNAVAILABLE error on LAYOUTGET for files which don't have any layout. In this situatio

[PATCH 4.15 098/202] NFS: Add a cond_resched() to nfs_commit_release_pages()

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Trond Myklebust commit 7f1bda447c9bd48b415acedba6b830f61591601f upstream. The commit list can get very large, and so we need a cond_resched() in nfs_commit_release_pages() in order to ensure w

[PATCH-next] sched/headers: Clean up

Trivial clean up making comments fit in 80 columns and keeping the same comment style. Signed-off-by: Christopher Diaz Riveros --- include/linux/sched.h | 54 +-- 1 file changed, 35 insertions(+), 19 deletions(-) diff --git a/include/linux/sched

[PATCH 4.15 117/202] media: v4l2-compat-ioctl32.c: fix the indentation

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Hans Verkuil commit b7b957d429f601d6d1942122b339474f31191d75 upstream. The indentation of this source is all over the place. Fix this. This patch only changes whitespace. Signed-off-by: Hans

[PATCH 4.15 115/202] media: v4l2-ioctl.c: dont copy back the result for -ENOTTY

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Hans Verkuil commit 181a4a2d5a0a7b43cab08a70710d727e7764ccdd upstream. If the ioctl returned -ENOTTY, then don't bother copying back the result as there is no point. Signed-off-by: Hans Verku

[PATCH 4.15 087/202] [Variant 2/Spectre-v2] arm64: Kill PSCI_GET_VERSION as a variant-2 workaround

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Marc Zyngier Commit 3a0a397ff5ff upstream. Now that we've standardised on SMCCC v1.1 to perform the branch prediction invalidation, let's drop the previous band-aid. If vendors haven't update

[PATCH 4.15 118/202] media: v4l2-compat-ioctl32.c: move helper functions to __get/put_v4l2_format32

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Hans Verkuil commit 486c521510c44a04cd756a9267e7d1e271c8a4ba upstream. These helper functions do not really help. Move the code to the __get/put_v4l2_format32 functions. Signed-off-by: Hans V

[PATCH 4.15 120/202] media: v4l2-compat-ioctl32.c: copy m.userptr in put_v4l2_plane32

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Hans Verkuil commit 8ed5a59dcb47a6f76034ee760b36e089f3e82529 upstream. The struct v4l2_plane32 should set m.userptr as well. The same happens in v4l2_buffer32 and v4l2-compliance tests for thi

[PATCH 4.15 122/202] media: v4l2-compat-ioctl32.c: copy clip list in put_v4l2_window32

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Hans Verkuil commit a751be5b142ef6bcbbb96d9899516f4d9c8d0ef4 upstream. put_v4l2_window32() didn't copy back the clip list to userspace. Drivers can update the clip rectangles, so this should b

[PATCH 4.15 088/202] mtd: cfi: convert inline functions to macros

4.15-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' structure. This

[PATCH 4.15 134/202] KVM: PPC: Book3S HV: Drop locks before reading guest memory

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Paul Mackerras commit 36ee41d161c67a6fcf696d4817a0da31f778938c upstream. Running with CONFIG_DEBUG_ATOMIC_SLEEP reveals that HV KVM tries to read guest memory, in order to emulate guest instru

[PATCH 4.15 090/202] mtd: nand: Fix nand_do_read_oob() return value

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Miquel Raynal commit 87e89ce8d0d14f573c068c61bec2117751fb5103 upstream. Starting from commit 041e4575f034 ("mtd: nand: handle ECC errors in OOB"), nand_do_read_oob() (from the NAND core) did r

[PATCH 4.15 135/202] KVM: arm/arm64: Handle CPU_PM_ENTER_FAILED

4.15-stable review patch. If anyone has any objections, please let me know. -- From: James Morse commit 58d6b15e9da5042a99c9c30ad725792e4569150e upstream. cpu_pm_enter() calls the pm notifier chain with CPU_PM_ENTER, then if there is a failure: CPU_PM_ENTER_FAILED. When KVM r

[PATCH 4.15 143/202] afs: Need to clear responded flag in addr cursor

4.15-stable review patch. If anyone has any objections, please let me know. -- From: David Howells commit 8305e579c653b127b292fcdce551e930f9560260 upstream. In afs_select_fileserver(), we need to clear the ->responded flag in the address list when reusing it. We should also c

[PATCH 4.15 140/202] ASoC: compress: Correct handling of copy callback

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Charles Keepax commit 290df4d3ab192821b66857c05346b23056ee9545 upstream. The soc_compr_copy callback is currently broken. Since the changes to move the compr_ops over to the component the retu

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