[PATCH] f2fs: check cap_resource only for data blocks

This patch changes the rule to check cap_resource for data blocks, not inode or node blocks in order to avoid selinux denial. Signed-off-by: Jaegeuk Kim --- fs/f2fs/f2fs.h | 8 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 9f2bc78a9f

Re: general protection fault in smc_getsockopt

syzbot has found reproducer for the following crash on upstream commit 83beed7b2b26f232d782127792dd0cd4362fdc41 (Fri Apr 20 17:56:32 2018 +) Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal syzbot dashboard link: https://syzkaller.appspot.com

[PATCH] Revert "drm/sun4i: add lvds mode_valid function"

From: Ondrej Jirman The reverted commit broke LVDS output on TBS A711 Tablet. That tablet has simple-panel node that has fixed pixel clock-frequency that A83T SoC used in the tablet can't generate exactly. Requested rate is 5200 and rounded_rate is calculated as 51857142. It's close enough f

[PATCH] Revert "f2fs: introduce f2fs_set_page_dirty_nobuffer"

This patch reverts copied f2fs_set_page_dirty_nobuffer to use generic function for stability. This reverts commit fe76b796fc5194cc3d57265002e3a748566d073f. Signed-off-by: Jaegeuk Kim --- fs/f2fs/checkpoint.c | 2 +- fs/f2fs/data.c | 33 + fs/f2fs/f2fs.h

Re: general protection fault in smc_setsockopt

syzbot has found reproducer for the following crash on upstream commit 83beed7b2b26f232d782127792dd0cd4362fdc41 (Fri Apr 20 17:56:32 2018 +) Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal syzbot dashboard link: https://syzkaller.appspot.com

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[PATCH] staging: android: ion: remove duplicate buffer field initializes

As a result of various previous patches, ion_buffer_create() now has two sets of identical statements for initializing two fields of the buffer struct, next to each other. Remove one set. Move the initialization of these two fields together with the statements that initialize the other two fields

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I Mikhail Fridman. has selected you specially as one of my beneficiaries for my Charitable Donation, Just as I have declared on May 23, 2016 to give my fortune as charity. Check the link below for confirmation: http://www.ibtimes.co.uk/russias-second-wealthiest-man-mikhail-fridman-plans-leaving

Re: [RFC PATCH] dt-bindings: add a jsonschema binding example

On Fri, Apr 20, 2018 at 6:41 PM, Stephen Boyd wrote: > Quoting Rob Herring (2018-04-20 11:15:04) >> On Fri, Apr 20, 2018 at 11:47 AM, Stephen Boyd wrote: >> > Quoting Rob Herring (2018-04-18 15:29:05) >> >> diff --git a/Documentation/devicetree/bindings/example-schema.yaml >> >> b/Documentation/

Re: [RFC PATCH] dt-bindings: add a jsonschema binding example

On Fri, Apr 20, 2018 at 4:00 PM, Frank Rowand wrote: > Hi Rob, > > Thanks for the example. It was a good starting tutorial of sorts for me > to understand the format a bit. > > > On 04/18/18 15:29, Rob Herring wrote: >> The current DT binding documentation format of freeform text is painful >> to

Re: [PATCH 5/5] x86, pti: filter at vma->vm_page_prot population

Dave Hansen wrote: > > From: Dave Hansen > > 0day reported warnings at boot on 32-bit systems without NX support: > > [ 12.349193] attempted to set unsupported pgprot: 8025 bits: > 8000 supported: 7fff > [ 12.350792] WARNING: CPU: 0 PID: 1 at arch/x86/

RE: [RESEND PATCH 1/1] drm/i915/glk: Add MODULE_FIRMWARE for Geminilake

Hi all: We tested GLK DMC 1.04 FW in last week of September 2017, using the latest drm-tip version for that time (4.14.0-rc2) and according to our results we could declare this FW as acceptable and healthy to be used with kernel version 4.14 . However, we cannot guarantee quality and healthy o

[PATCH 02/13] staging: iio: tsl2x7x: use GPL-2.0+ SPDX license identifier

The summary text for the GPL is not needed since the SPDX identifier is a legally binding shorthand that can be used instead. Signed-off-by: Brian Masney --- drivers/staging/iio/light/tsl2x7x.c | 10 +- drivers/staging/iio/light/tsl2x7x.h | 14 +- 2 files changed, 2 insertion

[PATCH 03/13] staging: iio: tsl2x7x: don't return error in IRQ handler

tsl2x7x_event_handler() could return an error and this could cause the interrupt to remain masked. We shouldn't return an error in the interrupt handler so this patch always returns IRQ_HANDLED. An error will be logged if one occurs. Signed-off-by: Brian Masney --- drivers/staging/iio/light/tsl2

[PATCH 04/13] staging: iio: tsl2x7x: simplify tsl2x7x_clear_interrupts function

tsl2x7x_clear_interrupts() takes a reg argument but there are only two callers to this function and both callers pass the same value. Since this function was introduced, interrupts are now working properly for this driver, and several unnecessary calls to tsl2x7x_clear_interrupts() were removed. Th

[PATCH 05/13] staging: iio: tsl2x7x: remove unnecessary chip status checks in suspend/resume

tsl2x7x_suspend() and tsl2x7x_resume() both check to see what the current chip status is. These checks are not necessary so this patch removes those checks. Signed-off-by: Brian Masney --- drivers/staging/iio/light/tsl2x7x.c | 16 ++-- 1 file changed, 2 insertions(+), 14 deletions(-)

[PATCH 08/13] staging: iio: tsl2x7x: add range checking to three sysfs attributes

The sysfs attributes in_illuminance0_target_input, in_illuminance0_calibrate, and in_proximity0_calibrate did not have proper range checking in place so this patch adds the correct range checks. Signed-off-by: Brian Masney --- drivers/staging/iio/light/tsl2x7x.c | 25 +++-- 1

[PATCH 06/13] staging: iio: tsl2x7x: simplify tsl2x7x_write_interrupt_config return

tsl2x7x_write_interrupt_config() has an unnecessary return value check at the end of the function. This patch changes the function to just return the value from the call to tsl2x7x_invoke_change(). Signed-off-by: Brian Masney --- drivers/staging/iio/light/tsl2x7x.c | 7 +-- 1 file changed, 1

[PATCH 07/13] staging: iio: tsl2x7x: simplify device id verification

This patch renames tsl2x7x_device_id() to tsl2x7x_device_id_verif(), removes the unnecessary pointer on the id parameter, and only calls the verification function once. Signed-off-by: Brian Masney --- drivers/staging/iio/light/tsl2x7x.c | 11 +-- 1 file changed, 5 insertions(+), 6 deleti

[PATCH 09/13] staging: iio: tsl2x7x: move power and diode settings into header file

The power and diode defines are needed for the platform data so this patch moves the defines out of the .c file and into the header file. A comment for the diode is also cleaned up while this code is touched. Signed-off-by: Brian Masney --- drivers/staging/iio/light/tsl2x7x.c | 12

[PATCH 13/13] staging: iio: tsl2x7x: rename prox_config to als_prox_config

The configuration register on the device is represented with the prox_config member on the tsl2x7x_settings structure. According to the TSL2772 data sheet, this register can hold: 1) the proximity drive level, 2) ALS/Proximity long wait, and 3) the ALS gain level. This patch renames prox_config to

[PATCH 01/13] staging: iio: tsl2x7x: move integration_time* attributes to IIO_INTENSITY channel

The integration_time* attributes are currently associated with the IIO_LIGHT channel but should be associated with the IIO_INTENSITY channel. Directory listing of the sysfs attributes for a TSL2772 with this patch applied: dev events in_illuminance0_calibrate in_illuminance0_calibscale_available i

[PATCH 00/13] iio: tsl2x7x: staging cleanups

Here is another round of staging cleanups for this driver mostly based on Jonathon's feedback. We're very close to a staging graduation and I only have a few items remaining on my todo list: - Remove wildcards from the driver name. Jonathan suggested tsl2571. - Don't make the events/ directory av

[PATCH 12/13] staging: iio: tsl2x7x: various comment cleanups

This patch removes several unnecessary comments, changes some comments so that the use as much of the allowable 80 characters as possible, adds the proper whitespace, removes some structure members from the kernel docs that are no longer present, and improves the existing kernel doc information for

[PATCH 11/13] staging: iio: tsl2x7x: use device defaults for als_time, prox_time and wait_time

This patch changes the defaults of the als_time, prox_time and wait_time to match the defaults according to the TSL2772 datasheet. Signed-off-by: Brian Masney --- drivers/staging/iio/light/tsl2x7x.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/staging/iio/lig

[PATCH 10/13] staging: iio: tsl2x7x: rename prx to prox for consistency

The driver mostly uses the 'prox' naming convention for most of the proximity settings, however prx_time and tsl2x7x_prx_gain was present. This patch renames these to prox_time and tsl2x7x_prox_gain for consistency with everything else in the driver. The kernel documentation for prx_gain is correc

Re: [PATCH v2] KVM: Extend MAX_IRQ_ROUTES to 4096 for all archs

2018-04-20 22:21 GMT+08:00 Cornelia Huck : > On Fri, 20 Apr 2018 21:51:13 +0800 > Wanpeng Li wrote: > >> 2018-04-20 15:15 GMT+08:00 Cornelia Huck : >> > On Thu, 19 Apr 2018 17:47:28 -0700 >> > Wanpeng Li wrote: >> > >> >> From: Wanpeng Li >> >> >> >> Our virtual machines make use of device assig

Re: [PATCH] KVM: s390: reset crypto attributes for all vcpus

Hi Tony, Thank you for the patch! Yet something to improve: [auto build test ERROR on s390/features] [also build test ERROR on v4.17-rc1 next-20180420] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux

Re: [PATCH 1/3] fs: move documentation for thaw_super() where appropriate

On 04/20/18 17:07, Luis R. Rodriguez wrote: > On Sat, Apr 21, 2018 at 12:01:31AM +, Bart Van Assche wrote: >> On Fri, 2018-04-20 at 16:59 -0700, Luis R. Rodriguez wrote: >>> +/** >>> + * thaw_super -- unlock filesystem >>> + * @sb: the super to thaw >>> + * >>> + * Unlocks the filesystem and ma

Re: [PATCH 1/3] fs: move documentation for thaw_super() where appropriate

On Sat, Apr 21, 2018 at 12:01:31AM +, Bart Van Assche wrote: > On Fri, 2018-04-20 at 16:59 -0700, Luis R. Rodriguez wrote: > > +/** > > + * thaw_super -- unlock filesystem > > + * @sb: the super to thaw > > + * > > + * Unlocks the filesystem and marks it writeable again after > > freeze_super(

Re: [PATCH 0/3] fs: minor fs thaw fixes and adjustments

On Fri, Apr 20, 2018 at 04:59:01PM -0700, Luis R. Rodriguez wrote: > Here's a few minor fs thaw fixes and adjustments I ran accross > as I started to refresh my development for to use freeze_fs on > suspend/hibernation [0]. These are just prep commits for the real > work, I'm still reviewing feedba

Re: [PATCH 1/3] fs: move documentation for thaw_super() where appropriate

On Fri, 2018-04-20 at 16:59 -0700, Luis R. Rodriguez wrote: > +/** > + * thaw_super -- unlock filesystem > + * @sb: the super to thaw > + * > + * Unlocks the filesystem and marks it writeable again after freeze_super(). > + */ Have you verified the output generated by scripts/kernel-doc? Last time

[PATCH 3/3] fs: fix corner case race on freeze_bdev() when sb disappears

freeze_bdev() will bail but leave the bd_fsfreeze_count incremented if the get_active_super() does not find the superblock on our super_blocks list to match. This issue has been present since v2.6.29 during the introduction of the ioctl_fsfreeze() and ioctl_fsthaw() via commit fcccf502540e3 ("file

[PATCH 1/3] fs: move documentation for thaw_super() where appropriate

On commit 08fdc8a0138a ("buffer.c: call thaw_super during emergency thaw") Mateusz added thaw_super_locked() and made thaw_super() use it, but forgot to move the documentation. Signed-off-by: Luis R. Rodriguez --- fs/super.c | 12 ++-- 1 file changed, 6 insertions(+), 6 deletions(-) dif

[PATCH 2/3] fs: make thaw_super_locked() really just a helper

thaw_super_locked() was added via commit 08fdc8a0138a ("buffer.c: call thaw_super during emergency thaw") merged on v4.17 to help with the ability so that the caller can take charge of handling the s_umount lock, however, it has left all* of the failure handling including unlocking lock of s_umount

Re: unregister_netdevice: waiting for DEV to become free

syzbot has found reproducer for the following crash on https://github.com/google/kmsan.git/master commit 48c6a2b0ab1b752451cdc40b5392471ed1a2a329 (Mon Apr 16 08:42:26 2018 +) mm/kmsan: fix origin calculation in kmsan_internal_check_memory syzbot dashboard link: https://syzkaller.appspot.co

[PATCH 0/3] fs: minor fs thaw fixes and adjustments

Here's a few minor fs thaw fixes and adjustments I ran accross as I started to refresh my development for to use freeze_fs on suspend/hibernation [0]. These are just prep commits for the real work, I'm still reviewing feedback and adjusting the code for that. I've tested the patches with generic/0

Re: [RFC PATCH 00/79] Generic page write protection and a solution to page waitqueue

On 04/20/2018 03:19 PM, Jerome Glisse wrote: > On Fri, Apr 20, 2018 at 12:57:41PM -0700, Tim Chen wrote: >> On 04/04/2018 12:17 PM, jgli...@redhat.com wrote: >> >> >> Your approach seems useful if there are lots of locked pages sharing >> the same wait queue. >> >> That said, in the original work

Re: [PATCH 2/2] drm/v3d: Introduce a new DRM driver for Broadcom V3D V3.x+

Daniel Vetter writes: > On Thu, Apr 19, 2018 at 12:20:35PM -0700, Eric Anholt wrote: >> This driver will be used to support Mesa on the Broadcom 7268 and 7278 >> platforms. >> >> V3D 3.3 introduces an MMU, which means we no longer need CMA or vc4's >> complicated CL/shader validation scheme. Th

Re: [RFC PATCH] dt-bindings: add a jsonschema binding example

Quoting Rob Herring (2018-04-20 11:15:04) > On Fri, Apr 20, 2018 at 11:47 AM, Stephen Boyd wrote: > > Quoting Rob Herring (2018-04-18 15:29:05) > >> diff --git a/Documentation/devicetree/bindings/example-schema.yaml > >> b/Documentation/devicetree/bindings/example-schema.yaml > >> new file mode 1

Re: [PATCH v4 04/22] iommu/vt-d: add bind_pasid_table function

On Fri, 20 Apr 2018 19:25:34 +0100 Jean-Philippe Brucker wrote: > On Tue, Apr 17, 2018 at 08:10:47PM +0100, Alex Williamson wrote: > [...] > > > + /* Assign guest PASID table pointer and size order */ > > > + ctx_lo = (pasidt_binfo->base_ptr & VTD_PAGE_MASK) | > > > + (pasidt_binfo->pasid

Re: [PATCH] [v2] scsi: ips: fix firmware timestamps for 32-bit

Arnd, > do_gettimeofday() is deprecated since it will stop working in 2038 on > 32-bit platforms, leading to incorrect times passed to the firmware. > On 64-bit platforms the current code appears to be fine, as the > calculation passes an 8-bit century number into the firmware that can > represen

Re: [PATCH] [RESEND 2] scsi: esas2r: use ktime_get_real_seconds()

Arnd, > do_gettimeofday() is deprecated because of the y2038 overflow. Here, > we use the result to pass into a 32-bit field in the firmware, which > still risks an overflow, but if the firmware is written to expect > unsigned values, it can at least last until y2106, and there is not > much we

[PATCH] fscrypt: use unbound workqueue for decryption

Improve fscrypt read performance by switching the decryption workqueue from bound to unbound. With the bound workqueue, when multiple bios completed on the same CPU, they were decrypted on that same CPU. But with the unbound queue, they are now decrypted in parallel on any CPU. Although fscrypt

Re: [PATCH][V2] isci: Fix infinite loop in while loop

Colin, > In the case when the phy_mask is bitwise anded with the phy_index bit > is zero the continue statement currently jumps to the next iteration > of the while loop and phy_index is never actually incremented, > potentially causing an infinite loop if phy_index is less than > SCI_MAX_PHS. Fi

Re: [PATCH] perf tools: set kernel end address properly

On Fri, 20 Apr 2018 08:59:15 +0900 Namhyung Kim wrote: > The map_groups__fixup_end() was called to set end addresses of kernel > map and module maps. But now machine__create_modules() is set the end > address of modules properly, the only remaining piece is the kernel map. > We can set it with a

Re: [PATCH v4 04/22] iommu/vt-d: add bind_pasid_table function

On Tue, 17 Apr 2018 13:10:47 -0600 Alex Williamson wrote: > On Mon, 16 Apr 2018 14:48:53 -0700 > Jacob Pan wrote: > > > Add Intel VT-d ops to the generic iommu_bind_pasid_table API > > functions. > > > > The primary use case is for direct assignment of SVM capable > > device. Originated from e

Re: [PATCH v3 0/6] scsi: handle special return codes for ABORTED COMMAND

Martin, > Here is another attempt to handle the special return codes for ABORTED > COMMAND for certain SCSI devices. Following MKP's recommendation, I've > created two new BLIST flags, simplifying the code in scsi_error.c > compared to the previous versions. Rather than using "free" bits, I > inc

Re: [patch V2 0/8] rslib: Cleanup and VLA removal

On Thu, Apr 19, 2018 at 3:04 AM, Thomas Gleixner wrote: > Kees tried to get rid of the Variable Length Arrays in the Reed-Solomon > library by replacing them with fixed length arrays on stack. Though they > are rather large and Andrew did not fall in love with that solution. > > This series addres

[PATCH v4] mtd: spi-nor: clear Winbond Extended Address Reg on switch to 3-byte addressing.

Winbond spi-nor flash 32MB and larger have an 'Extended Address Register' as one option for addressing beyond 16MB (Macronix has the same concept, Spansion has EXTADD bits in the Bank Address Register). According to section 8.2.7 Write Extended Address Register (C5h) of the Winbond W25Q256FV

Re: Representative Needed.

Good day, I am seeking your concept with great gratitude to present you as a representative to carry out business transactions with a reasonable share upon your interest and cooperation to work with us in trust. If interested please get back. Regards Kingsley --- This email has been checked

Re: [PATCH v2] mtd: spi-nor: clear Winbond Extended Address Reg on switch to 3-byte addressing.

On Sat, Apr 21 2018, Boris Brezillon wrote: > On Sat, 21 Apr 2018 07:28:19 +1000 > NeilBrown wrote: > >> On Fri, Apr 20 2018, Boris Brezillon wrote: >> >> > Hi Neil, >> > >> > On Mon, 16 Apr 2018 09:42:30 +1000 >> > NeilBrown wrote: >> > >> >> Winbond spi-nor flash 32MB and larger have an 'Ex

Re: [PATCH v3 0/7] MIPS: perf: MT fixes and improvements

On 04/20/2018 03:23 AM, Matt Redfearn wrote: > This series addresses a few issues with how the MIPS performance > counters code supports the hardware multithreading MT ASE. > > Firstly, implementations of the MT ASE may implement performance > counters > per core or per thread(TC). MIPS Techologie

Re: [PATCH v6 01/16] initrd: Add weakly-linked generic free_initrd_mem.

Hi Palmer, Palmer Dabbelt writes: > On Wed, 18 Apr 2018 04:10:16 PDT (-0700), s...@shealevy.com wrote: >> Hi all, >> >> Shea Levy writes: >> >>> This function is effectively identical across 14 architectures, and >>> the generic implementation is small enough to be negligible in the >>> archite

Re: Representative Needed.

Good day, I am seeking your concept with great gratitude to present you as a representative to carry out business transactions with a reasonable share upon your interest and cooperation to work with us in trust. If interested please get back. Regards Kingsley --- This email has been checked

Re: [PATCH 1/2] regulator: add QCOM RPMh regulator driver

On Fri, Apr 20 2018 at 13:07 -0600, David Collins wrote: On 04/18/2018 10:55 PM, Stephen Boyd wrote: Quoting David Collins (2018-03-22 18:30:06) On 03/21/2018 12:07 PM, Stephen Boyd wrote: Quoting David Collins (2018-03-16 18:09:10) diff --git a/drivers/regulator/Kconfig b/drivers/regulator/K

Re: [PATCH] bsg referencing bus driver module

> This patch isn't applyable because your mailer has changed all the tabs > to spaces. > > I also think there's no need to do it this way. I think what we need > is for fc_bsg_remove() to wait until the bsg queue is drained. It does > look like the author thought this happened otherwise the co

[PATCH 3/6] x86/intel_rdt/mba_sc: Add initialization support

When MBA software controller is enabled, we need a per domain storage for user specified bandwidth in "MBps" and the "percentage" values which are programmed into the IA32_MBA_THRTL_MSR. Add support for these data structures and initialization. The MBA percentage values have a default max value of

[PATCH V2 0/6] Memory bandwidth allocation software controller(mba_sc)

Sending the second version of MBA software controller which addresses the feedback on V1. Thanks to the feedback from Thomas on the V1. Thomas was unhappy about the bad structure and english in the documentation and comments explaining the changes and also about duct taping of data structure which

[PATCH 5/6] x86/intel_rdt/mba_sc: Prepare for feedback loop

This is a preparatory patch for the mba feedback loop. We add support to measure the "bandwidth in MBps" and the "delta bandwidth". We measure it reading the MBM IA32_QM_CTR MSRs and calculating the amount of "bytes" moved. There is no user interface for this and will only be used by the feedback l

[PATCH 2/6] x86/intel_rdt/mba_sc: Enable/disable MBA software controller

Currently user does memory bandwidth allocation(MBA) by specifying the bandwidth in percentage via the resctrl schemata file: "/sys/fs/resctrl/schemata" Add a new mount option "mba_MBps" to enable the user to specify MBA in MBps: $mount -t resctrl resctrl [-o cdp[,cdpl2][mba_MBps]] /sys/f

[PATCH 4/6] x86/intel_rdt/mba_sc: Add schemata support

Currently when user updates the "schemata" with new MBA percentage values, kernel writes the corresponding bandwidth percentage values to the IA32_MBA_THRTL_MSR. When MBA is expressed in MBps, the schemata format is changed to have the per package memory bandwidth in MBps instead of being specifie

[PATCH 1/6] x86/intel_rdt/mba_sc: Documentation for MBA software controller(mba_sc)

Add documentation about the feedback loop mechanism (MBA software controller) which lets the user specify the memory bandwidth allocation in MBps. This includes some changes to "schemata" formati with examples. Signed-off-by: Vikas Shivappa --- Documentation/x86/intel_rdt_ui.txt | 75 +++

[PATCH 6/6] x86/intel_rdt/mba_sc: Feedback loop to dynamically update mem bandwidth

mba_sc is a feedback loop where we periodically read MBM counters and try to restrict the bandwidth below a max value so the below is always true: "current bandwidth(cur_bw) < user specified bandwidth(user_bw)" The frequency of these checks is currently 1s and we just tag along the MBM overflow

Re: [PATCH 1/2] scsi: st: Replace GFP_ATOMIC with GFP_KERNEL in st_probe

Jia-Ju, > st_probe() is never called in atomic context. Applied patches 1 and 2 to 4.18/scsi-queue. Thanks! -- Martin K. Petersen Oracle Linux Engineering

Re: [PATCH v4 09/22] iommu/vt-d: add svm/sva invalidate function

On Tue, 17 Apr 2018 13:10:45 -0600 Alex Williamson wrote: > On Mon, 16 Apr 2018 14:48:58 -0700 > Jacob Pan wrote: > > > When Shared Virtual Address (SVA) is enabled for a guest OS via > > vIOMMU, we need to provide invalidation support at IOMMU API and > > driver level. This patch adds Intel VT

[PATCH 4/5] x86, pti: disallow global kernel text with RANDSTRUCT

I believe this was originally reported by the grsecurity team who tweeted about it (link below). RANDSTRUCT derives its hardening benefits from the attacker's lack of knowledge about the layout of kernel data structures. Keep the kernel image non-global in cases where RANDSTRUCT is in use to hel

[PATCH 0/5] x86, mm: PTI Global page fixes for 4.17

There have been a number of reports about issues with the patches that restore the Global PTE bit when using KPIT. This set resolves all of the issues that have been reported. These have been pushed out to a git tree where 0day should be chewing on them. Considering the troubles thus far, we sho

[PATCH 2/5] x86, pti: fix boot warning from Global-bit setting

From: Dave Hansen The pageattr.c code attempts to process "faults" when it goes looking for PTEs to change and finds non-present entries. It allows these faults in the linear map which is "expected to have holes", but WARN()s about them elsewhere, like when called on the kernel image. However,

[PATCH 3/5] x86, pti: reduce amount of kernel text allowed to be Global

Kees reported to me that I made too much of the kernel image global. It was far more than just text: I think this is too much set global: _end is after data, bss, and brk, and all kinds of other stuff that could hold secrets. I think this should match what mark_rod

[PATCH 5/5] x86, pti: filter at vma->vm_page_prot population

From: Dave Hansen 0day reported warnings at boot on 32-bit systems without NX support: [ 12.349193] attempted to set unsupported pgprot: 8025 bits: 8000 supported: 7fff [ 12.350792] WARNING: CPU: 0 PID: 1 at arch/x86/include/asm/pgtable.h:540 handle_m

[PATCH 1/5] x86, pti: fix boot problems from Global-bit setting

From: Dave Hansen Part of the global bit _setting_ patches also includes clearing the Global bit when we do not want it. That is done with set_memory_nonglobal(), which uses change_page_attr_clear() in pageattr.c under the covers. The TLB flushing code inside pageattr.c has has checks like BUG

Re: [RFC PATCH 00/79] Generic page write protection and a solution to page waitqueue

On Fri, Apr 20, 2018 at 12:57:41PM -0700, Tim Chen wrote: > On 04/04/2018 12:17 PM, jgli...@redhat.com wrote: > > From: Jérôme Glisse > > > > https://cgit.freedesktop.org/~glisse/linux/log/?h=generic-write-protection-rfc > > > > This is an RFC for LSF/MM discussions. It impacts the file subsyste

Re: [Intel-gfx] [PATCH] gpu: drm: i915: Change return type to vm_fault_t

On Wed, Apr 18, 2018 at 08:46:44AM +0300, Jani Nikula wrote: > On Tue, 17 Apr 2018, Souptick Joarder wrote: > > On 17-Apr-2018 9:45 PM, "Matthew Wilcox" wrote: > >> > >> On Tue, Apr 17, 2018 at 09:14:32PM +0530, Souptick Joarder wrote: > >> > Not exactly. The plan for these patches is to introduc

Re: [PATCH v2] mtd: spi-nor: clear Winbond Extended Address Reg on switch to 3-byte addressing.

On Sat, 21 Apr 2018 07:28:19 +1000 NeilBrown wrote: > On Fri, Apr 20 2018, Boris Brezillon wrote: > > > Hi Neil, > > > > On Mon, 16 Apr 2018 09:42:30 +1000 > > NeilBrown wrote: > > > >> Winbond spi-nor flash 32MB and larger have an 'Extended Address > >> Register' as one option for addressing

Re: [pci PATCH v8 2/4] ena: Migrate over to unmanaged SR-IOV support

On 4/20/2018 9:30 AM, Alexander Duyck wrote: Instead of implementing our own version of a SR-IOV configuration stub in the ena driver we can just reuse the existing pci_sriov_configure_simple function. Signed-off-by: Alexander Duyck --- v5: Replaced call to pci_sriov_configure_unmanaged with

Re: [PATCH v2 2/2] regulator: add QCOM RPMh regulator driver

On 04/19/2018 09:16 AM, Doug Anderson wrote: > On Wed, Apr 18, 2018 at 4:30 PM, David Collins > wrote: + * @drms_mode: Array of regulator framework modes which can + * be configured dynamically for this regulator + *

Re: [pci PATCH v8 4/4] pci-pf-stub: Add PF driver stub for PFs that function only to enable VFs

On 4/20/2018 9:31 AM, Alexander Duyck wrote: Add a new driver called "pci-pf-stub" to act as a "white-list" for PF devices that provide no other functionality other then acting as a means of allocating a set of VFs. For now I only have one example ID provided by Amazon in terms of devices that re

Re: [pci PATCH v8 1/4] pci: Add pci_sriov_configure_simple for PFs that don't manage VF resources

On 4/20/2018 9:28 AM, Alexander Duyck wrote: This patch adds a common configuration function called pci_sriov_configure_simple that will allow for managing VFs on devices where the PF is not capable of managing VF resources. Signed-off-by: Alexander Duyck Tested-by: Mark Rustad --- v5: New p

Re: [RFC PATCH 3/4] acpi: apei: Do not panic() in NMI because of GHES messages

On 04/20/2018 02:27 AM, James Morse wrote: > Hi Alex, > > On 04/16/2018 10:59 PM, Alex G. wrote: >> On 04/13/2018 11:38 AM, James Morse wrote: >>> This assumes a cache-invalidate will clear the error, which I don't > think we're >>> guaranteed on arm. >>> It also destroys any adjacent data, "eve

Re: [PATCH v7 00/11] Sunxi: Add SMP support on A83T

Hello, On Fri, 20 Apr 2018 23:10:11 +0200 Mylène Josserand wrote: > Hello everyone, > > This is a V7 of my series that adds SMP support for Allwinner sun8i-a83t. > Based on sunxi's tree, sunxi/for-next branch. > Depends on a patch from Doug Berger that allows to include the "cpu-type" > header

mmotm 2018-04-20-14-58 uploaded

The mm-of-the-moment snapshot 2018-04-20-14-58 has been uploaded to http://www.ozlabs.org/~akpm/mmotm/ mmotm-readme.txt says README for mm-of-the-moment: http://www.ozlabs.org/~akpm/mmotm/ This is a snapshot of my -mm patch queue. Uploaded at random hopefully more than once a week. You wi

Re: [PATCH v3] mtd: spi-nor: clear Winbond Extended Address Reg on switch to 3-byte addressing.

On 04/20/2018 11:26 PM, NeilBrown wrote: > > Winbond spi-nor flash 32MB and larger have an 'Extended Address > Register' as one option for addressing beyond 16MB (Macronix > has the same concept, Spansion has EXTADD bits in the Bank Address > Register). > > According to section >8.2.7 Write E

Re: [PATCH 4/4] sh: remove board_time_init() callback

On Fri, Apr 20, 2018 at 11:51:18PM +0200, Arnd Bergmann wrote: > On Fri, Apr 20, 2018 at 5:48 PM, Arnd Bergmann wrote: > > > @@ -41,8 +39,7 @@ static void __init sh_late_time_init(void) > > > > void __init time_init(void) > > { > > - if (board_time_init) > > - board_time_ini

Re: [PATCH] platform/x86: Kconfig: Fix dell-laptop dependency chain.

On Fri, Apr 20, 2018 at 05:55:28PM +, mario.limoncie...@dell.com wrote: > > > -Original Message- > > From: platform-driver-x86-ow...@vger.kernel.org [mailto:platform-driver-x86- > > ow...@vger.kernel.org] On Behalf Of Randy Dunlap > > Sent: Friday, April 20, 2018 12:53 PM > > To: Limon

Re: [PATCH] platform/x86: Kconfig: Fix dell-laptop dependency chain.

On Fri, Apr 20, 2018 at 12:42:11PM -0500, Mario Limonciello wrote: > As reported by Randy Dunlap: > >> WARNING: unmet direct dependencies detected for DELL_SMBIOS > >> Depends on [m]: X86 [=y] && X86_PLATFORM_DEVICES [=y] > >>&& (DCDBAS [=m] || > >> DCDBAS [=m]=n) && (ACPI_WMI [=n] || ACPI_WM

Re: [PATCH 4/4] sh: remove board_time_init() callback

On Fri, Apr 20, 2018 at 5:48 PM, Arnd Bergmann wrote: > @@ -41,8 +39,7 @@ static void __init sh_late_time_init(void) > > void __init time_init(void) > { > - if (board_time_init) > - board_time_init(); > + timer_init(); Testing revealed this to be broken, the fix is:

Re: [RFC PATCH] dt-bindings: add a jsonschema binding example

On Wed 18 Apr 15:29 PDT 2018, Rob Herring wrote: > The current DT binding documentation format of freeform text is painful > to write, review, validate and maintain. > > This is just an example of what a binding in the schema format looks > like. It's using jsonschema vocabulary in a YAML encoded

Re: [PATCH] prctl: Don't compile some of prctl functions when CRUI

Hi Sergey, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.17-rc1 next-20180420] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux

[PATCH] platform/x86: acer-wmi: add another KEY_POWER keycode

Now that we have informed the firmware that the Power Button driver is active, laptops such as the Acer Swift 3 will generate a WMI key event with code 0x87 when the power button key is pressed. Add this keycode to the table so that it is converted to an appropriate in

Re: [PATCH] sched/fair: Change sched_feat(x) in !CONFIG_SCHED_DEBUG case

On Fri, 20 Apr 2018, Peter Zijlstra wrote: > On Fri, Apr 20, 2018 at 06:29:07PM +0200, Philipp Klocke wrote: > > The gain is stopping a warning that clutters the output log of clang. > > Well, you should not be using clang anyway. It is known to miscompile > the kernel. > There are some advant

Re: [PATCH v2] mtd: spi-nor: clear Winbond Extended Address Reg on switch to 3-byte addressing.

On Fri, Apr 20 2018, Boris Brezillon wrote: > Hi Neil, > > On Mon, 16 Apr 2018 09:42:30 +1000 > NeilBrown wrote: > >> Winbond spi-nor flash 32MB and larger have an 'Extended Address >> Register' as one option for addressing beyond 16MB (Macronix >> has the same concept, Spansion has EXTADD bits i

[PATCH] platform/x86: acer-wmi: add another KEY_POWER keycode

Now that we have informed the firmware that the Power Button driver is active, laptops such as the Acer Swift 3 will generate a WMI key event with code 0x87 when the power button key is pressed. Add this keycode to the table so that it is converted to an appropriate in

[PATCH v3] mtd: spi-nor: clear Winbond Extended Address Reg on switch to 3-byte addressing.

Winbond spi-nor flash 32MB and larger have an 'Extended Address Register' as one option for addressing beyond 16MB (Macronix has the same concept, Spansion has EXTADD bits in the Bank Address Register). According to section 8.2.7 Write Extended Address Register (C5h) of the Winbond W25Q256FV

Re: [PATCH] kvmalloc: always use vmalloc if CONFIG_DEBUG_VM

On Fri, 20 Apr 2018, Matthew Wilcox wrote: > On Fri, Apr 20, 2018 at 04:54:53PM -0400, Mikulas Patocka wrote: > > On Fri, 20 Apr 2018, Michal Hocko wrote: > > > No way. This is just wrong! First of all, you will explode most likely > > > on many allocations of small sizes. Second, CONFIG_DEBUG_V

[PATCH v3] clk: add duty cycle support

Add the possibility to apply and query the clock signal duty cycle ratio. This is useful when the duty cycle of the clock signal depends on some other parameters controlled by the clock framework. For example, the duty cycle of a divider may depends on the raw divider setting (ratio = N / div) ,

[PATCH v7 05/11] ARM: smp: Add initialization of CNTVOFF

The CNTVOFF register from arch timer is uninitialized. It should be done by the bootloader but it is currently not the case, even for boot CPU because this SoC is booting in secure mode. It leads to an random offset value meaning that each CPU will have a different time, which isn't working very we

[PATCH v7 09/11] ARM: sun8i: smp: Add support for A83T

Add the support for A83T. A83T SoC has an additional register than A80 to handle CPU configurations: R_CPUS_CFG. Information about the register comes from Allwinner's BSP driver. An important difference is the Power Off Gating register for clusters which is BIT(4) in case of SUN9I-A80 and BIT(0) i

[PATCH v7 08/11] ARM: sun9i: smp: Add is_a83t field

To prepare the support of sun8i-a83t, add a field in the smp_data structure to know if we are on sun9i-a80 or sun8i-a83t. Add also a global variable to retrieve which architecture we are having. Signed-off-by: Mylène Josserand --- arch/arm/mach-sunxi/mc_smp.c | 4 1 file changed, 4 inserti

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