Re: Linux 4.14.55

2018-07-11 Thread Greg KH
diff --git a/Makefile b/Makefile index de0955d8dfa3..0700feaaa6cf 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 4 PATCHLEVEL = 14 -SUBLEVEL = 54 +SUBLEVEL = 55 EXTRAVERSION = NAME = Petit Gorille diff --git a/arch/s390/kernel/entry.S

Re: [RFC PATCH v2 18/27] x86/cet/shstk: Introduce WRUSS instruction

2018-07-11 Thread Yu-cheng Yu
On Wed, 2018-07-11 at 17:27 +0200, Peter Zijlstra wrote: > On Wed, Jul 11, 2018 at 07:58:09AM -0700, Yu-cheng Yu wrote: > > > > On Wed, 2018-07-11 at 11:45 +0200, Peter Zijlstra wrote: > > > > > > On Tue, Jul 10, 2018 at 03:26:30PM -0700, Yu-cheng Yu wrote: > > > > > > > > > > > > diff --git

Re: Linux 4.17.6

2018-07-11 Thread Greg KH
diff --git a/Makefile b/Makefile index e4ddbad49636..1a885c8f82ef 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 4 PATCHLEVEL = 17 -SUBLEVEL = 5 +SUBLEVEL = 6 EXTRAVERSION = NAME = Merciless Moray diff --git a/arch/arm/boot/dts/am3517.dtsi

Linux 4.14.55

2018-07-11 Thread Greg KH
I'm announcing the release of the 4.14.55 kernel. All users of the 4.14 kernel series must upgrade. The updated 4.14.y git tree can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-4.14.y and can be browsed at the normal kernel.org git web

Re: fpga: fpga_mgr_free usage

2018-07-11 Thread Alan Tull
On Wed, Jul 11, 2018 at 7:38 AM, Federico Vaga wrote: Hi Federico, > Hi Alan, > > I have another point that I would like to discuss. It is about the > usage of 'fpga_mgr_free()' which does not look like consistent. > > This function, according to the current implementation, can be used by > an

Re: [PATCH 1/2] mips: Fix mips_dma_map_sg by using correct dma mapping function

2018-07-11 Thread Paul Burton
Hi Thomas, On Wed, Jul 11, 2018 at 01:38:51PM +0200, Thomas Bogendoerfer wrote: > sg list elements could cover more than one page of data. Therefore > using plat_map_dma_mem_page() doesn't work for platforms, which have > IOMMU functionality hidden behind plat_map_dma_XXX functions. > > Fixes:

Re: [RFC PATCH 0/4] Stop losing firmware-set DMA masks

2018-07-11 Thread Robin Murphy
On 11/07/18 15:40, Rob Herring wrote: On Tue, Jul 10, 2018 at 12:43 PM Robin Murphy wrote: Whilst the common firmware code invoked by dma_configure() initialises devices' DMA masks according to limitations described by the respective properties ("dma-ranges" for OF and _DMA/IORT for ACPI),

Re: [PATCH 24/32] vfs: syscall: Add fsopen() to prepare for superblock creation [ver #9]

2018-07-11 Thread Linus Torvalds
On Wed, Jul 11, 2018 at 1:42 AM David Howells wrote: > > Buffering till the end means you have to buffer *everything* - and, > unless you limit your buffer, you risk running out of RAM Do we really care? Can't we limit the buffer size to something small? Right now, the mount options

Re: [PATCH] arm64: neon: Fix function may_use_simd() return error status

2018-07-11 Thread Mark Rutland
On Wed, Jul 11, 2018 at 05:03:15PM +0100, Will Deacon wrote: > On Wed, Jul 11, 2018 at 04:47:58PM +0100, Mark Rutland wrote: > > On Wed, Jul 11, 2018 at 09:20:03AM +0200, Ard Biesheuvel wrote: > > > On 11 July 2018 at 03:09, Yandong.Zhao wrote: > > > > diff --git a/arch/arm64/include/asm/simd.h

Re: [PATCH v2] ARM64: dts: meson-axg: add saradc support

2018-07-11 Thread Jerome Brunet
On Mon, 2018-07-02 at 22:25 +, Yixun Lan wrote: > From: Xingyu Chen > > Add the DT info for SAR ADC of the Amlogic's Meson-AXG SoC. > > Signed-off-by: Xingyu Chen > Signed-off-by: Yixun Lan > --- > Hi kevin > I just re-send this patch which rebased to your khilman/v4.18/integ branch >

[PATCH] ARM: dts: at91: fix typo for PIN_PB22

2018-07-11 Thread Claudiu Beznea
Fix typo for PIN_PB22 on TD function. Signed-off-by: Claudiu Beznea --- arch/arm/boot/dts/sama5d2-pinfunc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/sama5d2-pinfunc.h b/arch/arm/boot/dts/sama5d2-pinfunc.h index e57191fb83de..ac61491c9d7f 100644 ---

Re: Lazy FPU restoration / moving kernel_fpu_end() to context switch

2018-07-11 Thread Sebastian Andrzej Siewior
On 2018-06-15 22:33:47 [+0200], Jason A. Donenfeld wrote: > On Fri, Jun 15, 2018 at 8:32 PM Andy Lutomirski wrote: > > quite in the form you imagined. The idea that we've tossed around is > > to restore FPU state on return to user mode. Roughly, we'd introduce > > a new thread flag

Re: [PATCH 00/39 v7] PTI support for x86-32

2018-07-11 Thread Linus Torvalds
On Wed, Jul 11, 2018 at 4:30 AM Joerg Roedel wrote: > > I did the load-testing again with 'perf top', the ldt_gdt > self-test and a kernel-compile running in a loop again. So none of the patches looked scary to me, but then, neither did earlier versions. It's the testing that worries me most.

Re: Kernel 4.17.4 lockup

2018-07-11 Thread H.J. Lu
On Wed, Jul 11, 2018 at 9:24 AM, Dave Hansen wrote: > On 07/11/2018 08:40 AM, H.J. Lu wrote: >> This is a quad-core machine with HT and 6 GB RAM. The workload is >> x32 GCC build and test with "make -j8". The bug is triggered during GCC >> test after a couple hours. I have a script to set up

Re: [PATCH 1/2] clk: imx6sll: add GPIO LPCGs

2018-07-11 Thread Stephen Boyd
Quoting Shawn Guo (2018-07-11 01:43:03) > On Fri, Jul 06, 2018 at 01:58:46PM -0700, Stephen Boyd wrote: > > Quoting Anson Huang (2018-06-21 23:32:33) > > > According to Reference Manual Rev.0, 06/2017, > > > there are GPIO LPCGs defined in CCM CCGRs, > > > add them into clock tree. > > > > > >

Re: [PATCH v6 4/7] thermal: tsens: Rename tsens-8996 to tsens-v2 for reuse

2018-07-11 Thread Bjorn Andersson
On Mon 09 Jul 04:43 PDT 2018, Amit Kucheria wrote: > The TSENS block inside the 8996 is internally classified as version 2 of > the IP. Several other SoC families use this block and can share this code. > > We rename get_temp() to reflect that it can be used across the v2 family. > >

Re: [PATCH v6 5/7] thermal: tsens: Add generic support for TSENS v2 IP

2018-07-11 Thread Bjorn Andersson
On Mon 09 Jul 04:43 PDT 2018, Amit Kucheria wrote: > SDM845 uses v2 of the TSENS IP block but the get_temp() function > appears to be identical across v2.x.y in code seen so far. We use the > generic get_temp() function defined as part of ops_generic_v2. > > Signed-off-by: Amit Kucheria

Re: [PATCH] mm: hugetlb: don't zero 1GiB bootmem pages.

2018-07-11 Thread Mike Kravetz
On 07/11/2018 05:48 AM, Michal Hocko wrote: > On Wed 11-07-18 14:47:11, Michal Hocko wrote: >> On Tue 10-07-18 11:49:03, Cannon Matthews wrote: >>> When using 1GiB pages during early boot, use the new >>> memblock_virt_alloc_try_nid_raw() function to allocate memory without >>> zeroing it.

Re: [RFC] Make need_resched() return true when rcu_urgent_qs requested

2018-07-11 Thread Paul E. McKenney
On Wed, Jul 11, 2018 at 07:43:03AM -0700, Paul E. McKenney wrote: > On Wed, Jul 11, 2018 at 03:23:45PM +0100, David Woodhouse wrote: > > > > > > On Mon, 2018-07-09 at 15:08 -0700, Paul E. McKenney wrote: > > > index f9c0ca2ccf0c..3350ece366ab 100644 > > > --- a/kernel/rcu/tree.c > > > +++

general protection fault in _vm_normal_page

2018-07-11 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:98be45067040 Add linux-next specific files for 20180711 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=12496ac240 kernel config: https://syzkaller.appspot.com/x/.config?x=3f3b3673fec35d01

Re: Kernel 4.17.4 lockup

2018-07-11 Thread Dave Hansen
On 07/11/2018 09:29 AM, H.J. Lu wrote: >>> # It takes about 3 hour to bootstrap x86-64 GCC and 3 hour to run tests, >>> TIMEOUT=480 >>> # Run it every hour, >>> 30 * * * * /export/gnu/import/git/gcc-test-x32/gcc-build -mx32 >>> --with-pic > /dev/null 2>&1 >> Oh, fun, one of those. >> >> How long

[0/10] staging:rtl8192u: One significant change...

2018-07-11 Thread John Whitmore
The first 9 patches in this series are coding style changes, including a number of patches to remove the "typedef" directive from a number of data structure definitions. This clears the checkpatch warning about defining new data types in the code. The last patch in the series, however, changes

[PATCH 01/10] staging:rtl8192u: typedef struct tx_desc_819x_usb > struct tx_desc_819x_usb

2018-07-11 Thread John Whitmore
Change structure tx_desc_819x_usb from being typedef to being a simple structure, without the typedef. checkpatch warns about defining new types in code. Signed-off-by: John Whitmore --- drivers/staging/rtl8192u/r8192U.h | 6 +++--- drivers/staging/rtl8192u/r8192U_core.c | 4 ++-- 2 files

[PATCH 02/10] staging:rtl8192u: trim multiple blank lines - Coding Style

2018-07-11 Thread John Whitmore
Trim the extra blank lines from the code, to clear checkpatch messages. Signed-off-by: John Whitmore --- drivers/staging/rtl8192u/r8192U.h | 20 1 file changed, 20 deletions(-) diff --git a/drivers/staging/rtl8192u/r8192U.h b/drivers/staging/rtl8192u/r8192U.h index

[PATCH 04/10] staging:rtl8192u: Rename file macro to avoid camel case - Coding Style

2018-07-11 Thread John Whitmore
Simple rename of the preprosessor switch, protecting against multiple inclusion of the header file. Change to clear the checkpatch coding style issue. Signed-off-by: John Whitmore --- drivers/staging/rtl8192u/r8192U.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git

[PATCH 05/10] staging:rtl8192u: typedef struct tx_desc_cmd_819x_usb remove typedef

2018-07-11 Thread John Whitmore
Change structure tx_desc_cmd_819x_usb from being typedef to being a simple structure, without the typedef. checkpatch warns about defining new types in the code. Signed-off-by: John Whitmore --- drivers/staging/rtl8192u/r8192U.h | 4 ++-- drivers/staging/rtl8192u/r8192U_core.c | 2 +- 2

Re: [PATCH v4] uart: fix race between uart_put_char() and uart_shutdown()

2018-07-11 Thread Serge E. Hallyn
Quoting Tycho Andersen (ty...@tycho.ws): > We have reports of the following crash: > > PID: 7 TASK: 88085c6d61c0 CPU: 1 COMMAND: "kworker/u25:0" > #0 [88085c6db710] machine_kexec at 81046239 > #1 [88085c6db760] crash_kexec at 810fc248 > #2

[PATCH 08/10] staging:rtl8192u: Remove struct rx_desc_819x_usb_aggr_subframe

2018-07-11 Thread John Whitmore
Removal of structure rx_desc_819x_usb_aggr_subframe from local header file, which is not used outside the header file. Signed-off-by: John Whitmore --- drivers/staging/rtl8192u/r8192U.h | 18 -- 1 file changed, 18 deletions(-) diff --git a/drivers/staging/rtl8192u/r8192U.h

[PATCH 10/10] staging:rtl8192u: Change struct r8192_priv member Rf_Mode from u8 > enum

2018-07-11 Thread John Whitmore
The file r8192U.h defines the structure for holding private data for the driver (typedef struct r8192_priv). This structure includes a member Rf_Mode which is defined to be of type "u8". Whilst the variable Rf_Mode is defined to be of type "u8" it is being assigned enumerated values defined by

[PATCH 06/10] staging:rtl8192u: typedef struct tx_fwinfo_819x_usb remove typedef

2018-07-11 Thread John Whitmore
Change structure tx_fwinfo_819x_usb from being typedef to being a simple structure, without the typedef. Clears the coding style issue flagged by checkpatch, (new type definitions) Signed-off-by: John Whitmore --- drivers/staging/rtl8192u/r8192U.h | 6 +++---

[PATCH 07/10] staging:rtl8192u: typedef struct rx_desc_819x_usb remove typedef

2018-07-11 Thread John Whitmore
Change structure rx_desc_819x_usb from being typedef to being a simple structure, without the typedef. Clears a checkpatch issue, definging new types in the code. Signed-off-by: John Whitmore --- drivers/staging/rtl8192u/r8192U.h | 4 ++-- drivers/staging/rtl8192u/r8192U_core.c | 14

[PATCH 03/10] staging:rtl8192u: remove unused structure tx_desc_819x_usb_aggr_subframe

2018-07-11 Thread John Whitmore
Structure tx_desc_819x_usb_aggr_subframe is defined in a local header file but is not used outside of the header file. Removed from the code as a result. Signed-off-by: John Whitmore --- drivers/staging/rtl8192u/r8192U.h | 28 1 file changed, 28 deletions(-) diff

[PATCH 09/10] staging:rtl8192u: remove typedef from struct rx_drvinfo_819x_usb

2018-07-11 Thread John Whitmore
Removed the typedef from the struct rx_drvinfo_819x_usb to leave it as a simple structure. This clears the issue flagged by checkpatch, defining new types. Signed-off-by: John Whitmore --- drivers/staging/rtl8192u/r8192U.h | 4 ++-- drivers/staging/rtl8192u/r8192U_core.c | 10 +-

Re: [PATCH v2 1/7] mhi_bus: core: initial checkin for modem host interface bus driver

2018-07-11 Thread Rob Herring
On Mon, Jul 09, 2018 at 01:08:08PM -0700, Sujeev Dias wrote: > This is the initial skeleton driver for mhi bus stack. MHI Host > Interface is a communication protocol to be used by the host to > control and communcate with modem over a high speed peripheral bus. > This module will allow host to

Re: [PATCH] sample: vfio-mdev: avoid deadlock in mdev_access()

2018-07-11 Thread Alex Williamson
On Fri, 6 Jul 2018 23:50:06 +0300 Alexey Khoroshilov wrote: > mdev_access() calls mbochs_get_page() with mdev_state->ops_lock held, > while mbochs_get_page() locks the mutex by itself. > It leads to unavoidable deadlock. > > Found by Linux Driver Verification project (linuxtesting.org). > >

[PATCH] staging: rtl8188eu: break line longer than 80 cols

2018-07-11 Thread Kacper Kołodziej
Signed-off-by: Kacper Kołodziej --- drivers/staging/rtl8188eu/core/rtw_ap.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/staging/rtl8188eu/core/rtw_ap.c b/drivers/staging/rtl8188eu/core/rtw_ap.c index 454a975a14f2..220b4bbe1f84 100644 ---

Re: [PATCH v2 5/7] mhi_bus: core: add support to get external modem time

2018-07-11 Thread Rob Herring
On Mon, Jul 09, 2018 at 01:08:12PM -0700, Sujeev Dias wrote: > For accurate synchronizations between external modem and > host processor, mhi host will capture modem time relative > to host time. Client may use time measurements for adjusting > any drift between host and modem. > > Signed-off-by:

Re: [PATCH 2/2] kprobe: fix: Add ftrace_ops_assist_func to kprobe blacklist

2018-07-11 Thread Francis Deslauriers
Hi Steven, I tested it and it prevents the kernel crash I am witnessing. As for the side-effect that Masami mentioned regarding not being able to probe function inside the trace_kprobe.c file, I suggest we move the target function in its own separate compile unit so it can be compiled with the

Re: [PATCH v2 6/7] mhi_bus: controller: MHI support for QCOM modems

2018-07-11 Thread Rob Herring
On Mon, Jul 09, 2018 at 01:08:13PM -0700, Sujeev Dias wrote: > QCOM PCIe based modems uses MHI as the communication protocol. > MHI control driver is the bus master for such modems. As the bus > master driver, it oversees power management operations > such as suspend, resume, powering on and off

Re: [PATCH] console: Replace #if 1 with a bool to ignore WARN_CONSOLE_UNLOCKED()

2018-07-11 Thread Hans de Goede
Hi, On 11-07-18 21:17, Steven Rostedt wrote: From: Steven Rostedt (VMware) There's been discussion on the fb list about the addition of WARN_CONSOLE_UNLOCKED() inside the fb code. The complaint is that when the fb module is loaded with lockless_register_fb the console lock is not taken for

Re: [PATCH v2 1/2] dt-bindings: reset: uniphier: add USB3 core reset support

2018-07-11 Thread Rob Herring
On Tue, Jul 10, 2018 at 10:14:16AM +0900, Kunihiko Hayashi wrote: > Add DT bindings for reset control of USB3 core implemented in UniPhier SoCs. > The reset control belongs to USB3 glue layer. > > Signed-off-by: Kunihiko Hayashi > --- > .../devicetree/bindings/reset/uniphier-reset.txt | 56 >

Re: [PATCH v35 1/5] mm: support to get hints of free page blocks

2018-07-11 Thread Michael S. Tsirkin
On Wed, Jul 11, 2018 at 01:09:49PM +0200, Michal Hocko wrote: > But let me note that I am not really convinced how this (or previous) > approach will really work in most workloads. We tend to cache heavily so > there is rarely any memory free. It might be that it's worth flushing the cache when

Re: [PATCH 06/12] ipc: rename ipc_lock() to ipc_lock_idr()

2018-07-11 Thread Davidlohr Bueso
On Mon, 09 Jul 2018, Manfred Spraul wrote: ipc/util.c contains multiple functions to get the ipc object pointer given an id number. There are two sets of function: One set verifies the sequence counter part of the id number, other functions do not check the sequence counter. The standard for

I wait to hear from you for more details.

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Re: [PATCH] ARM: at91: remove unnecessary of_platform_default_populate calls

2018-07-11 Thread Alexandre Belloni
On 11/07/2018 12:13:17-0600, Rob Herring wrote: > On Wed, Jul 11, 2018 at 10:15 AM Alexandre Belloni > wrote: > > > > Hi, > > > > On 09/07/2018 09:50:47-0600, Rob Herring wrote: > > > On Tue, Jun 19, 2018 at 3:40 PM Rob Herring wrote: > > > > > > > > The DT core will call

Re: [PATCH v2 1/3] clk: meson: add DT documentation for emmc clock controller

2018-07-11 Thread Rob Herring
On Tue, Jul 10, 2018 at 04:36:56PM +, Yixun Lan wrote: > Document the MMC sub clock controller driver, the potential consumer > of this driver is MMC or NAND. So you all have decided to properly model this now? > > Signed-off-by: Yixun Lan > --- > .../bindings/clock/amlogic,mmc-clkc.txt

Re: [PATCH v2 2/3] clk: meson: add sub MMC clock dt-bindings IDs

2018-07-11 Thread Rob Herring
On Tue, Jul 10, 2018 at 04:36:57PM +, Yixun Lan wrote: > Add two clock bindings IDs which provided by the MMC clock controller, > These two clocks will be used by MMC or NAND driver. I count 3 ids. > > Signed-off-by: Yixun Lan > --- > .../dt-bindings/clock/amlogic,meson-mmc-clkc.h | 16

Re: [PATCH v4] uart: fix race between uart_put_char() and uart_shutdown()

2018-07-11 Thread Serge E. Hallyn
Quoting Tycho Andersen (ty...@tycho.ws): > We have reports of the following crash: > > PID: 7 TASK: 88085c6d61c0 CPU: 1 COMMAND: "kworker/u25:0" > #0 [88085c6db710] machine_kexec at 81046239 > #1 [88085c6db760] crash_kexec at 810fc248 > #2

Re: [PATCH 07/12] ipc_idr_alloc refactoring

2018-07-11 Thread Davidlohr Bueso
On Mon, 09 Jul 2018, Manfred Spraul wrote: From: Dmitry Vyukov ipc_idr_alloc refactoring ENOCHANGELOG

Re: [PATCH 1/2] dt-bindings: Add vendor prefix for Sancloud

2018-07-11 Thread Rob Herring
On Wed, Jul 11, 2018 at 08:53:09AM +0200, Koen Kooi wrote: > Add vendor prefix for Sancloud Ltd. > > Signed-off-by: Koen Kooi > --- > Documentation/devicetree/bindings/vendor-prefixes.txt | 1 + > 1 file changed, 1 insertion(+) Acked-by: Rob Herring

WARNING in port_delete

2018-07-11 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:30c2c32d7f70 Merge tag 'drm-fixes-2018-07-10' of git://ano.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=139408c840 kernel config: https://syzkaller.appspot.com/x/.config?x=25856fac4e580aa7

Re: [PATCH 2/2] kprobe: fix: Add ftrace_ops_assist_func to kprobe blacklist

2018-07-11 Thread Steven Rostedt
On Wed, 11 Jul 2018 15:34:30 -0400 Francis Deslauriers wrote: > Hi Steven, > I tested it and it prevents the kernel crash I am witnessing. > As for the side-effect that Masami mentioned regarding not being able to probe > function inside the trace_kprobe.c file, I suggest we move the target >

Re: [PATCH 00/39 v7] PTI support for x86-32

2018-07-11 Thread Thomas Backlund
Den 2018-07-11 kl. 20:28, skrev Jiri Kosina: On Wed, 11 Jul 2018, Linus Torvalds wrote: It's the testing that worries me most. Pretty much no developers run 32-bit any more, and I'd be most worried about the odd interactions that might be hw-specific. Some crazy EFI mapping setup or the

KASAN: invalid-free in fat_fill_super

2018-07-11 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:98be45067040 Add linux-next specific files for 20180711 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=120b1ed040 kernel config: https://syzkaller.appspot.com/x/.config?x=3f3b3673fec35d01

[PATCH] mm/hugetlb: remove gigantic page support for HIGHMEM

2018-07-11 Thread Mike Kravetz
This reverts commit ee8f248d266e ("hugetlb: add phys addr to struct huge_bootmem_page") At one time powerpc used this field and supporting code. However that was removed with commit 79cc38ded1e1 ("powerpc/mm/hugetlb: Add support for reserving gigantic huge pages via kernel command line"). There

Re: [PATCH v2 1/4] x86/split_lock: Enumerate #AC exception for split locked access feature

2018-07-11 Thread Dave Hansen
On 07/10/2018 12:47 PM, Thomas Gleixner wrote: > And please tell your hardware people that they should stop creating > features which are not enumerated in one way or the other. That's just a > pain all over the place. Boot code, kernel, virt, tools Assuming it's too late to get CPUID or MSR

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2018-07-11 Thread Julie Ryan
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Re: [PATCH 07/12] ipc_idr_alloc refactoring

2018-07-11 Thread Dmitry Vyukov
On Wed, Jul 11, 2018 at 9:52 PM, Davidlohr Bueso wrote: > On Mon, 09 Jul 2018, Manfred Spraul wrote: > >> From: Dmitry Vyukov >> >> ipc_idr_alloc refactoring > > ENOCHANGELOG Manfred, could you please squash this into your commit? This was meant to be a code review comment rather than a

Re: [PATCH v4] uart: fix race between uart_put_char() and uart_shutdown()

2018-07-11 Thread Tycho Andersen
On Wed, Jul 11, 2018 at 02:49:08PM -0500, Serge E. Hallyn wrote: > Quoting Tycho Andersen (ty...@tycho.ws): > > We have reports of the following crash: > > > > PID: 7 TASK: 88085c6d61c0 CPU: 1 COMMAND: "kworker/u25:0" > > #0 [88085c6db710] machine_kexec at 81046239 > >

[GIT PULL][PATCH] tracing/kprobe: Release kprobe print_fmt properly

2018-07-11 Thread Steven Rostedt
Linus, This fixes a memory leak in the kprobe code. Please pull the latest trace-v4.18-rc3-2 tree, which can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git trace-v4.18-rc3-2 Tag SHA1: 2dc4f4a15fc23494d3fe5af7e1598923825d5da9 Head SHA1:

Re: [RFC PATCH v2 1/4] dt-bindings: misc: Add bindings for misc. BMC control fields

2018-07-11 Thread Rob Herring
On Wed, Jul 11, 2018 at 03:01:19PM +0930, Andrew Jeffery wrote: > Baseboard Management Controllers (BMCs) are embedded SoCs that exist to > provide remote management of (primarily) server platforms. BMCs are > often tightly coupled to the platform in terms of behaviour and provide > many hardware

[PATCH] x86/intel_rdt: Fix possible circular lock dependency

2018-07-11 Thread Reinette Chatre
Lockdep is reporting a possible circular locking dependency: == WARNING: possible circular locking dependency detected 4.18.0-rc1-test-test+ #4 Not tainted -- user_example/766 is trying to

(linux-kernel@vger.kernel.org)Re:GOD'S WORK

2018-07-11 Thread Mrs.TETA
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Re: Lazy FPU restoration / moving kernel_fpu_end() to context switch

2018-07-11 Thread Rik van Riel
On Wed, 2018-07-11 at 18:28 +0200, Sebastian Andrzej Siewior wrote: > On 2018-06-15 22:33:47 [+0200], Jason A. Donenfeld wrote: > > On Fri, Jun 15, 2018 at 8:32 PM Andy Lutomirski > > wrote: > > > quite in the form you imagined. The idea that we've tossed > > > around is > > > to restore FPU

Re: [PATCH 4.9 00/52] 4.9.112-stable review

2018-07-11 Thread Dan Rue
On Wed, Jul 11, 2018 at 04:47:35PM +0530, Naresh Kamboju wrote: > On 10 July 2018 at 23:54, Greg Kroah-Hartman > wrote: > > This is the start of the stable review cycle for the 4.9.112 release. > > There are 52 patches in this series, all will be posted as a response > > to this one. If anyone

Re: [RFC] Make need_resched() return true when rcu_urgent_qs requested

2018-07-11 Thread Paul E. McKenney
On Wed, Jul 11, 2018 at 08:31:55PM +0200, Christian Borntraeger wrote: > So why is the rcu_virt_note_context_switch(smp_processor_id()); > in guest_enter_irqoff not good enough? > > This was actually supposed to tell rcu that being in the guest > is an extended quiescing period (like userspace).

Re: [PATCH 4.9 181/310] net: phy: micrel: Restore led_mode and clk_sel on resume

2018-07-11 Thread Dan Rue
On Thu, Apr 19, 2018 at 10:05:24PM +0300, Leonard Crestez wrote: > On Thu, 2018-04-19 at 11:32 -0700, Florian Fainelli wrote: > > +Others who reported the same problem > > On 04/19/2018 11:24 AM, Naresh Kamboju wrote: > > > On 19 April 2018 at 21:41, Leonard Crestez > > > wrote: > > > > > > > >

Read carefully

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Re: [RFC] Make need_resched() return true when rcu_urgent_qs requested

2018-07-11 Thread David Woodhouse
On Wed, 2018-07-11 at 13:17 -0700, Paul E. McKenney wrote: > As I understand it, they would like to have their guest run uninterrupted > for extended times.  Because rcu_virt_note_context_switch() is a > point-in-time quiescent state, it cannot tell RCU about the extended > quiescent state. > >

Re: [PATCH v2] kvm/x86: Inform RCU of quiescent state when entering guest mode

2018-07-11 Thread Paul E. McKenney
On Wed, Jul 11, 2018 at 08:39:36PM +0200, Christian Borntraeger wrote: > > > On 07/11/2018 08:36 PM, Paul E. McKenney wrote: > > On Wed, Jul 11, 2018 at 11:20:53AM -0700, Paul E. McKenney wrote: > >> On Wed, Jul 11, 2018 at 07:01:01PM +0100, David Woodhouse wrote: > >>> From: David Woodhouse >

Re: [PATCH] extcon: max3355: include mod_devicetable.h

2018-07-11 Thread Chanwoo Choi
On 2018년 07월 12일 10:30, Chanwoo Choi wrote: > On 2018년 07월 12일 00:50, Arnd Bergmann wrote: >> Another driver turned up that is missing linux/mod_devicetable.h after >> the device IDs are split out from linux/platform_device.h: >> >> drivers/extcon/extcon-max3355.c:127:34: error: array type has

Re: [PATCH] extcon: max3355: include mod_devicetable.h

2018-07-11 Thread Chanwoo Choi
On 2018년 07월 12일 00:50, Arnd Bergmann wrote: > Another driver turned up that is missing linux/mod_devicetable.h after > the device IDs are split out from linux/platform_device.h: > > drivers/extcon/extcon-max3355.c:127:34: error: array type has incomplete > element type 'struct of_device_id' >

Re: [PATCH] arm64: Add support for STACKLEAK gcc plugin

2018-07-11 Thread Laura Abbott
On 07/11/2018 05:03 PM, Kees Cook wrote: From: Laura Abbott This adds support for the STACKLEAK gcc plugin to arm64 by implementing stackleak_check_alloca(), based heavily on the x86 version, and adding the two helpers used by the stackleak common code: current_top_of_stack() and

Re: [RFC PATCH] mm, page_alloc: double zone's batchsize

2018-07-11 Thread Andrew Morton
On Thu, 12 Jul 2018 01:40:41 + "Lu, Aaron" wrote: > Thanks Andrew. > I think the credit goes to Dave Hansen Oh. In that case, I take it all back. The patch sucks!

[PATCH v6 3/3] serial: 8250_dw: add fractional divisor support

2018-07-11 Thread Jisheng Zhang
For Synopsys DesignWare 8250 uart which version >= 4.00a, there's a valid divisor latch fraction register. The fractional divisor width is 4bits ~ 6bits. Now the preparation is done, it's easy to add the feature support. This patch firstly tries to get the fractional divisor width during probe,

Re: [PATCH 06/14] fsi: master-gpio: Add more tracepoints

2018-07-11 Thread Benjamin Herrenschmidt
On Thu, 2018-06-28 at 13:41 +0930, Joel Stanley wrote: > On 27 June 2018 at 08:55, Benjamin Herrenschmidt > wrote: > > This adds a few more tracepoints that have proven useful when > > debugging issues with the FSI bus. > > > > Signed-off-by: Benjamin Herrenschmidt > > Reviewed-by: Joel

Re: [patch 6/7] x86/kvmclock: Move kvmclock vsyscall param and init to kvmclock

2018-07-11 Thread Pavel Tatashin
+#include Can be removed, because as Paolo, noticed X86_HYPER_KVM check is not needed. > +static int __init kvm_setup_vsyscall_timeinfo(void) > +{ > +#ifdef CONFIG_X86_64 > + u8 flags; > + > + if (!hv_clock || !kvmclock_vsyscall) > + return 0; > + > + flags =

Re: linux-next: duplicate patches in the gfs2 and xfs trees

2018-07-11 Thread Stephen Rothwell
Hi Andreas, On Thu, 12 Jul 2018 04:30:07 +0200 Andreas Gruenbacher wrote: > > this is what I'm seeing (git log --pretty=oneline --abbrev-commit > --graph ^origin/master gfs2/for-next): > > * f79caf101801 (gfs2/for-next) gfs2: use iomap_readpage for blocksize > == PAGE_SIZE > * af58827ee500

Re: [PATCH v6 2/7] thermal: tsens: Add support to split up register address space into two

2018-07-11 Thread Amit Kucheria
On Thu, Jul 12, 2018 at 12:07 AM, Doug Anderson wrote: > Hi, > > On Mon, Jul 9, 2018 at 4:43 AM, Amit Kucheria > wrote: >> There are two banks of registers for v2 TSENS IPs: SROT and TM. On older >> SoCs these were contiguous, leading to DTs mapping them as one register >> address space of size

Re: [PATCH v6 3/7] dt: qcom: 8996: thermal: Move to DT initialisation

2018-07-11 Thread Amit Kucheria
On Thu, Jul 12, 2018 at 12:09 AM Doug Anderson wrote: > > Hi, > > On Mon, Jul 9, 2018 at 4:43 AM, Amit Kucheria > wrote: > > We also split up the regmap address space into two, one for the TM > > registers, the other for the SROT registers. This was required to deal with > > different address

Re: [PATCH v6 5/7] thermal: tsens: Add generic support for TSENS v2 IP

2018-07-11 Thread Amit Kucheria
On Thu, Jul 12, 2018 at 12:10 AM Doug Anderson wrote: > > Hi, > > On Mon, Jul 9, 2018 at 4:43 AM, Amit Kucheria > wrote: > > SDM845 uses v2 of the TSENS IP block but the get_temp() function > > appears to be identical across v2.x.y in code seen so far. We use the > > generic get_temp() function

[PATCH] MAINTAINERS: Add samples/mic/

2018-07-11 Thread Constantine Shulyupin
Signed-off-by: Constantine Shulyupin --- MAINTAINERS | 1 + 1 file changed, 1 insertion(+) diff --git a/MAINTAINERS b/MAINTAINERS index b40d702337f2..42c439b5cd6a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7303,6 +7303,7 @@ F:drivers/misc/mic/ F: drivers/dma/mic_x100_dma.c F:

[PATCH 02/31] usb: usbssp: Added some decoding functions.

2018-07-11 Thread Pawel Laszczak
This patch add additional functions that converts some fields to string. For example function usbssp_trb_comp_code_string take completion c ode value and return string describing completion code. Signed-off-by: Pawel Laszczak --- drivers/usb/usbssp/gadget.h | 572

[PATCH 01/31] usb: usbssp: Defined register maps and other useful structures.

2018-07-11 Thread Pawel Laszczak
It is a first patch introduce Cadence USBSSP DRD controller. This patch is related to device side. Device part of USBSSP controller base on standard XHCI specification. File define macros used bye USBSSP controller, structures holding and grouping registers, and other object that are used by

[PATCH 03/31] usb: usbssp: Add trace events used in driver

2018-07-11 Thread Pawel Laszczak
This patch creates a set of event class. For each event class this patch defines some trace events. 1. event class: usbssp_log_msg - usbssp_dbg_address - debug message used in function handling Address Device Command. - usbssp_dbg_context_change - debug messages related to

Re: [RFC PATCH] mm, page_alloc: double zone's batchsize

2018-07-11 Thread Lu, Aaron
On Wed, 2018-07-11 at 14:35 -0700, Andrew Morton wrote: > On Wed, 11 Jul 2018 13:58:55 +0800 Aaron Lu wrote: > > > [550 lines of changelog] > > OK, I'm convinced ;) That was a lot of work - thanks for being exhaustive. Thanks Andrew. I think the credit goes to Dave Hansen since he has been

Re: [PATCH] thp: fix data loss when splitting a file pmd

2018-07-11 Thread Yang Shi
On 7/11/18 5:48 PM, Hugh Dickins wrote: __split_huge_pmd_locked() must check if the cleared huge pmd was dirty, and propagate that to PageDirty: otherwise, data may be lost when a huge tmpfs page is modified then split then reclaimed. How has this taken so long to be noticed? Because there

[PATCH v2] KVM: Add coalesced PIO support

2018-07-11 Thread Wanpeng Li
From: Peng Hao Windows I/O, such as the real-time clock. The address register (port 0x70 in the RTC case) can use coalesced I/O, cutting the number of userspace exits by half when reading or writing the RTC. Guest access rtc like this: write register index to 0x70, then write or read data from

[PATCH v6 1/3] serial: 8250: introduce get_divisor() and set_divisor() hook

2018-07-11 Thread Jisheng Zhang
Add these two hooks so that they can be overridden with driver specific implementations. Signed-off-by: Jisheng Zhang Reviewed-by: Andy Shevchenko --- drivers/tty/serial/8250/8250_core.c | 4 drivers/tty/serial/8250/8250_port.c | 27 +++

Re: [PATCH] arm64: Add support for STACKLEAK gcc plugin

2018-07-11 Thread Kees Cook
On Wed, Jul 11, 2018 at 6:45 PM, Laura Abbott wrote: >> +#ifdef CONFIG_GCC_PLUGIN_STACKLEAK >> +#define MIN_STACK_LEFT 256 >> + >> +void __used stackleak_check_alloca(unsigned long size) >> +{ >> + unsigned long sp, stack_left; >> + >> + sp = current_stack_pointer; >> + >> +

Re: [PATCH v2 1/2] dt: bindings: Add bindings for SDHCI Synopsys DWC MSHC

2018-07-11 Thread Jisheng Zhang
Hi Rob, On Wed, 11 Jul 2018 10:12:06 -0600 Rob Herring wrote: > On Fri, Jul 06, 2018 at 03:20:47PM +0800, Jisheng Zhang wrote: > > Synopsys SDHCI compatible DesignWare Cores Mobile Storage Host > > Controller can support eMMC/SD/SDIO. Add the bindings. > > > > Signed-off-by: Jisheng Zhang > >

Re: linux-next: duplicate patches in the gfs2 and xfs trees

2018-07-11 Thread Andreas Gruenbacher
Hi, On 12 July 2018 at 03:37, Stephen Rothwell wrote: > Hi all, > > It looks like part of the xfs tree (the iomap-4.19-merge branch) that > was merge into the gfs2 tree has been rebased and the gfs2 tree has not > been updated to cope. The rebase commits are exactly the same patches > (though I

[PATCH 1/2] ARM: dts: imx51-zii-scu3-esb: Add switch IRQ line pinumx config

2018-07-11 Thread Andrey Smirnov
Add DT code to explicitly configure PAD_AUD3_BB_CK and avoid relying on defaults. Cc: Fabio Estevam Cc: Nikita Yushchenko Cc: Lucas Stach Cc: cphe...@gmail.com Cc: Shawn Guo Cc: Rob Herring Cc: Mark Rutland Cc: linux-arm-ker...@lists.infradead.org Cc: devicet...@vger.kernel.org Cc:

[PATCH 2/2] ARM: dts: imx51-zii-scu3-esb: Fix RAVE SP watchdog compatible string

2018-07-11 Thread Andrey Smirnov
It looks like I made a nasty typo in the original patch which resulted in missing watchdog device. Fix it. Cc: Fabio Estevam Cc: Nikita Yushchenko Cc: Lucas Stach Cc: cphe...@gmail.com Cc: Shawn Guo Cc: Rob Herring Cc: Mark Rutland Cc: linux-arm-ker...@lists.infradead.org Cc:

Re: [PATCH v9 4/7] tracepoint: Make rcuidle tracepoint callers use SRCU

2018-07-11 Thread Joel Fernandes
On Wed, Jul 11, 2018 at 09:22:37PM -0400, Steven Rostedt wrote: > On Wed, 11 Jul 2018 13:56:39 -0700 > Joel Fernandes wrote: > > > > > #define __DECLARE_TRACE(name, proto, args, cond, data_proto, data_args) > > > > \ > > > > extern struct tracepoint __tracepoint_##name;

RE: Re: Re: devfreq relation with pm qos

2018-07-11 Thread MyungJoo Ham
>MyungJo, I am trying to understand the relationship of PM QOS with >devfreq drivers. I don't see any relation of PM QOS api's with devfreq drivers >directly as there are no QOS apis used in the devfreq framework. > >The only explanation I have is that PM QOS has direct relationship >with CPUFREQ

[GIT PULL] FSI updates round 2 for 4.19

2018-07-11 Thread Benjamin Herrenschmidt
Hi Greg ! This is the second round of updates of the FSI stack. These comprise of: - Some build fixes detected with COMPILE_TEST when used on "other" archs - Sparse warning fixes - Some object lifetime fixes - A new feature to control some of the protocol delays - Overheaul of the

[PATCH v3 6/6] dt-bindings: xilinx: zynq: Add missing boards

2018-07-11 Thread Luis Araneda
The bindings were missing when the device-tree files were added Signed-off-by: Luis Araneda --- .../devicetree/bindings/arm/xilinx.txt | 17 + 1 file changed, 17 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/xilinx.txt

[PATCH v3 5/6] dt-bindings: Move Paralella board to Xilinx

2018-07-11 Thread Luis Araneda
Move the Adapteva Parallela board to Xilinx dt-bindings, as it's based on a Zynq SoC from Xilinx Signed-off-by: Luis Araneda --- Documentation/devicetree/bindings/arm/adapteva.txt | 7 --- Documentation/devicetree/bindings/arm/xilinx.txt | 3 +++ 2 files changed, 3 insertions(+), 7

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