Re: [PATCH bpf-next 4/5] samples/bpf: Refine printing symbol for sampleip

On Wed, Apr 18, 2018 at 10:21:25PM -0700, Alexei Starovoitov wrote: > On Thu, Apr 19, 2018 at 01:12:49PM +0800, Leo Yan wrote: > > On Wed, Apr 18, 2018 at 09:47:45PM -0700, Alexei Starovoitov wrote: > > > On Thu, Apr 19, 2018 at 09:34:05AM +0800, Leo Yan wrote: > > > > The code defines macro

Re: 4.15.17 regression: bisected: timeout during microcode update

On Wed, Apr 18, 2018 at 06:53:30AM -0700, Raj, Ashok wrote: > On Wed, Apr 18, 2018 at 02:22:12PM +0200, Borislav Petkov wrote: > > On Wed, Apr 18, 2018 at 02:08:40PM +0200, Vitezslav Samel wrote: > > > I switched to firmware-in-kernel early loading and that works OK. > > firmware-in-kernel means

Re: [PATCH v2] fs, elf: don't complain MAP_FIXED_NOREPLACE unless -EEXIST error.

On Wed 18-04-18 23:07:12, Tetsuo Handa wrote: > >From 3f396857d23d4bf1fac4d4332316b5ba0af6d2f9 Mon Sep 17 00:00:00 2001 > From: Tetsuo Handa > Date: Wed, 18 Apr 2018 23:00:53 +0900 > Subject: [PATCH v2] fs, elf: don't complain MAP_FIXED_NOREPLACE unless >

Re: WARNING: stack going in the wrong direction? ip=__schedule+0x489/0x830

On Thu, Apr 19, 2018 at 01:49:41PM +0800, Fengguang Wu wrote: Hello, FYI this warning dates back to v4.16-rc5 . It's rather rare and often happen together with other errors. Sorry, that should be 0day didn't catch this particular WARNING. So it just occasionally show up in the context of

Re: [PATCH 01/14] memory: ti-emif-sram: Add resume function to recopy sram code

On Thursday 12 April 2018 10:14 PM, santosh.shilim...@oracle.com wrote: > On 4/11/18 9:53 PM, Keerthy wrote: >> From: Dave Gerlach >> >> After an RTC+DDR cycle we lose sram context so emif pm functions present >> in sram are lost. We can check if the first byte of the original

Re: [PATCH v11 0/4] set VSESR_EL2 by user space and support NOTIFY_SEI notification

James, > >> I do not know when it is merge-window. About the apply version, it does not >> have limited. > > 'git fetch' Linus' tree and look at the tags. 'v4.16' lost its '-rc' suffixes, > and there isn't a 'v4.17-rc1' yet, so we are still in the merge window. > > Linus sends a message to

Re: [PATCH net] virtio_net: split out ctrl buffer

On Thu, Apr 19, 2018 at 08:01:49AM +0300, Michael S. Tsirkin wrote: > When sending control commands, virtio net sets up several buffers for > DMA. The buffers are all part of the net device which means it's > actually allocated by kvmalloc so in theory (on extreme memory pressure) > it's possible

Re: [RFC v4 3/4] irqflags: Avoid unnecessary calls to trace_ if you can

On Wed, Apr 18, 2018 at 06:02:50PM +0900, Masami Hiramatsu wrote: > On Mon, 16 Apr 2018 21:07:47 -0700 > Joel Fernandes wrote: > > > With TRACE_IRQFLAGS, we call trace_ API too many times. We don't need > > to if local_irq_restore or local_irq_save didn't actually do anything.

[PATCH 1/2] blkcg: small fix on comment in blkcg_init_queue

The comment before blkg_create() in blkcg_init_queue() was moved from blkcg_activate_policy() by commit ec13b1d6f0a0457312e615, but it does not suit for the new context. Signed-off-by: Jiang Biao Signed-off-by: Wen Yang CC: Tejun Heo

[PATCH] net: hns: Avoid action name truncation

When longer interface names are used, the action names exposed in /proc/interrupts and /proc/irq/* maybe truncated. For example, when using the predictable name algorithm in systemd on a HiSilicon D05, I see: ubuntu@d05-3:~$ grep enahisic2i0-tx /proc/interrupts | sed 's/.* //'

[PATCH net] virtio_net: split out ctrl buffer

When sending control commands, virtio net sets up several buffers for DMA. The buffers are all part of the net device which means it's actually allocated by kvmalloc so in theory (on extreme memory pressure) it's possible to get a vmalloc'ed buffer which on some platforms means we can't DMA there.

Re: [PATCH bpf-next 4/5] samples/bpf: Refine printing symbol for sampleip

On Wed, Apr 18, 2018 at 09:47:45PM -0700, Alexei Starovoitov wrote: > On Thu, Apr 19, 2018 at 09:34:05AM +0800, Leo Yan wrote: > > The code defines macro 'PAGE_OFFSET' and uses it to decide if the > > address is in kernel space or not. But different architecture has > > different 'PAGE_OFFSET' so

[PATCH v2 net 3/3] virtio_net: sparse annotation fix

offloads is a buffer in virtio format, should use the __virtio64 tag. Signed-off-by: Michael S. Tsirkin --- drivers/net/virtio_net.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index f84fe04..c5b11f2

[PATCH v2 net 1/3] virtio_net: split out ctrl buffer

When sending control commands, virtio net sets up several buffers for DMA. The buffers are all part of the net device which means it's actually allocated by kvmalloc so it's in theory (on extreme memory pressure) possible to get a vmalloc'ed buffer which on some platforms means we can't DMA there.

[PATCH v2 net 2/3] virtio_net: fix adding vids on big-endian

Programming vids (adding or removing them) still passes guest-endian values in the DMA buffer. That's wrong if guest is big-endian and when virtio 1 is enabled. Note: this is on top of a previous patch: virtio_net: split out ctrl buffer Fixes: 9465a7a6f ("virtio_net: enable v1.0

[PATCH v2 net 0/3] virtio: ctrl buffer fixes

Here are a couple of fixes related to the virtio control buffer. Lightly tested on x86 only. Michael S. Tsirkin (3): virtio_net: split out ctrl buffer virtio_net: fix adding vids on big-endian virtio_net: sparse annotation fix drivers/net/virtio_net.c | 68

Re: [PATCH 2/2] crypto: ccree: enable support for hardware keys

On Mon, Apr 09, 2018 at 11:42:31AM +0300, Gilad Ben-Yossef wrote: > > Please look again. The stub version of cc_is_hw_key() doing that is being > replaced in this patch. The point is that the existing mechanism was unused before and this is new code. So you can't really point to the stubbed-out

Re: [PATCH] crypto: testmgr: Allow different compression results

On Wed, Apr 11, 2018 at 08:28:32PM +0200, Jan Glauber wrote: > > @@ -1362,7 +1373,17 @@ static int test_comp(struct crypto_comp *tfm, > goto out; > } > > - if (dlen != ctemplate[i].outlen) { > + ilen = dlen; > + dlen =

Re: [PATCH -next] user_namespace: Replace gotos with return statements

Marcos Paulo de Souza writes: > Found while inspecting the code that handles the setgroups procfs > file. What perchance might be the advantage of introducing multiple exits into proc_setgroups_write? I strongly suspect that if you look at the generated code it will

Re: tg3 crashes under high load, when using 100Mbits

On Sat, Apr 14, 2018 at 9:17 PM, Kai-Heng Feng wrote: > Hi Satish, > >> On 2018Mar21, at 00:57, Kai-Heng Feng wrote: >> >> Satish Baddipadige wrote: >> >>> On Thu, Feb 15, 2018 at 7:37 PM, Siva Reddy

Re: [PATCH] soc: Unconditionally include qcom Makefile

On Wed 18 Apr 16:28 PDT 2018, Evan Green wrote: > From: Guenter Roeck > > Incoming Qualcomm changes for GENI, i2c [1], and cmd-db [2] are enabled > with COMPILE_TEST in drivers/soc/qcom. For this to work, the Makefile > in that directory has to be included unconditionally,

RE: [PATCH v2] storvsc: Set up correct queue depth values for IDE devices

> Subject: Re: [PATCH v2] storvsc: Set up correct queue depth values for IDE > devices > > > Long, > > > Can you take a look at the following patch? > > >> > + max_sub_channels = > >> > +(num_cpus - 1) / storvsc_vcpus_per_sub_channel; > > What happens if num_cpus = 1? If

Re: cpu stopper threads and load balancing leads to deadlock

On Wed, 2018-04-18 at 07:47 +0200, Mike Galbraith wrote: > On Tue, 2018-04-17 at 15:21 +0100, Matt Fleming wrote: > > Hi guys, > > > > We've seen a bug in one of our SLE kernels where the cpu stopper > > thread ("migration/15") is entering idle balance. This then triggers > > active load balance.

Re: [PATCH v1 2/4] dt-bindings: clock: mediatek: add g3dsys bindings

On Wed, 2018-04-18 at 20:18 -0700, Stephen Boyd wrote: > Quoting sean.w...@mediatek.com (2018-04-18 03:24:54) > > From: Sean Wang > > > > Add bindings to g3dsys providing necessary clock and reset control to > > Mali-450. > > > > Signed-off-by: Sean Wang

linux-next: Tree for Apr 19

Hi all, Changes since 20180418: New tree: modules-fixes I have added a patch to the arm-current tree to fix build problems discovered overnight. The sound-asoc tree lost its build failure. Non-merge commits (relative to Linus' tree): 1055 1121 files changed, 36028 insertions(+), 19043

Re: issues with suspend on Dell XPS 13 2-in-1

On Wed, 2018-04-18 at 21:01 +, mario.limoncie...@dell.com wrote: > > > > > [...] > > > Srinivas, > > > > > > Do you know why Runtime PM is defaulting to disabled for all of > > > these > > > devices?  Is that a default kernel policy problem or a distro > > > policy > > > problem? > > > >

Re: [PATCH bpf-next 4/5] samples/bpf: Refine printing symbol for sampleip

On Thu, Apr 19, 2018 at 01:12:49PM +0800, Leo Yan wrote: > On Wed, Apr 18, 2018 at 09:47:45PM -0700, Alexei Starovoitov wrote: > > On Thu, Apr 19, 2018 at 09:34:05AM +0800, Leo Yan wrote: > > > The code defines macro 'PAGE_OFFSET' and uses it to decide if the > > > address is in kernel space or

Re: [PATCH v2 2/3] ASoC: amd: dma driver changes for BT I2S instance

On Thursday 19 April 2018 05:57 AM, Daniel Kurtz wrote: Hi Vijendar, On Wed, Apr 18, 2018 at 5:02 AM Vijendar Mukunda wrote: With in ACP, There are three I2S controllers can be configured/enabled ( I2S SP, I2S MICSP, I2S BT). Default enabled I2S controller

[PATCH] net: qrtr: Expose tunneling endpoint to user space

This implements a misc character device named "qrtr-tun" for the purpose of allowing user space applications to implement endpoints in the qrtr network. This allows more advanced (and dynamic) testing of the qrtr code as well as opens up the ability of tunneling qrtr over a network or USB link.

Smatch check for Spectre stuff

Several people have asked me to write this and I think one person was maybe working on writing it themselves... The point of this check is to find place which might be vulnerable to the Spectre vulnerability. In the kernel we have the array_index_nospec() macro which turns off speculation.

Re: [PATCH] checkpatch: Add a --strict test for structs with bool member definitions

On Thu, 2018-04-19 at 06:40 +0200, Julia Lawall wrote: > > On Wed, 18 Apr 2018, Joe Perches wrote: > > > On Tue, 2018-04-17 at 17:07 +0800, yuank...@codeaurora.org wrote: > > > Hi julia, > > > > > > On 2018-04-15 05:19 AM, Julia Lawall wrote: > > > > On Wed, 11 Apr 2018, Joe Perches wrote: > >

Re: [PATCH v2] storvsc: Set up correct queue depth values for IDE devices

Long, > Can you take a look at the following patch? >> > + max_sub_channels = >> > + (num_cpus - 1) / storvsc_vcpus_per_sub_channel; What happens if num_cpus = 1? -- Martin K. Petersen Oracle Linux Engineering

Re: [PATCH] clk: aspeed: Support second reset register

On Thu, 19 Apr 2018, at 12:22, Joel Stanley wrote: > The ast2500 has an additional reset register that contains resets not > present in the ast2400. This enables support for this register, and adds > the one reset line that is controlled by it. > > Signed-off-by: Joel Stanley

[PATCH 2/2] blkcg: init root blkcg_gq under lock

The initializing of q->root_blkg is currently outside of queue lock and rcu, so the blkg may be destroied before the initializing, which may cause dangling/null references. On the other side, the destroys of blkg are protected by queue lock or rcu. Put the initializing inside the queue lock and

Re: [PATCH] scsi: mptfc: fix spelling mistake in macro names

Colin, > Rename macros MPI_FCPORTPAGE0_SUPPORT_SPEED_UKNOWN and > MPI_FCPORTPAGE0_CURRENT_SPEED_UKNOWN to add in missing N in UNKNOWN Applied to 4.18/scsi-queue. Thanks. -- Martin K. Petersen Oracle Linux Engineering

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

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/Kconfig > >> index 097f617..e0ecd0a 100644 > >> --- a/drivers/regulator/Kconfig > >> +++

Re: [PATCH 1/2] cpufreq: brcmstb-avs-cpufreq: remove development debug support

On 18-04-18, 08:56, Markus Mayer wrote: > From: Markus Mayer > > This debug code was helpful while developing the driver, but it isn't > being used for anything anymore. > > Signed-off-by: Markus Mayer > --- > drivers/cpufreq/Kconfig.arm |

Re: [PATCH 01/12] iscsi_tcp: don't set a bounce limit

Christoph, > The default already is to never bounce, so the call is a no-op. Applied to 4.18/scsi-queue. Thanks! -- Martin K. Petersen Oracle Linux Engineering

Re: [PATCH 02/12] storsvc: don't set a bounce limit

Christoph, > The default already is to never bounce, so the call is a no-op. Applied to 4.18/scsi-queue. Thanks! -- Martin K. Petersen Oracle Linux Engineering

Re: [PATCH bpf-next 4/5] samples/bpf: Refine printing symbol for sampleip

On Thu, Apr 19, 2018 at 09:34:05AM +0800, Leo Yan wrote: > The code defines macro 'PAGE_OFFSET' and uses it to decide if the > address is in kernel space or not. But different architecture has > different 'PAGE_OFFSET' so this program cannot be used for all > platforms. > > This commit changes

Re: [PATCH] powerpc: Allow selection of CONFIG_LD_DEAD_CODE_DATA_ELIMINATION

On Wed, 18 Apr 2018 15:11:24 +0200 Christophe LEROY wrote: > Le 18/04/2018 à 10:36, Mathieu Malaterre a écrit : > > Christophe, > > > > On Wed, Apr 18, 2018 at 8:34 AM, Christophe LEROY > > wrote: > >> > >> > >> Le 17/04/2018 à 19:10, Mathieu

Re: [PATCHv2] x86/xen: Remove use of VLAs

On 04/18/2018 01:08 PM, Laura Abbott wrote: > There's an ongoing effort to remove VLAs[1] from the kernel to eventually > turn on -Wvla. It turns out, the few VLAs in use in Xen produce only a > single entry array that is always bounded by GDT_SIZE. Clean up the code to > get rid of the VLA and

Re: [cfs_trace_lock_tcd] BUG: KASAN: null-ptr-deref in cfs_trace_lock_tcd+0x25/0xeb

On Wed, Apr 18 2018, Linus Torvalds wrote: > Ugh, that lustre code is disgusting. > > I thought we were getting rid of it. Lots of people seem to get value out of it. So we're trying to polish the code to make it less disgusting. This is just a little fall-out. The smoking gun is [

Re: [PATCH] fasync: Fix deadlock between task-context and interrupt-context kill_fasync()

On 18.04.2018 23:00, Jeff Layton wrote: > On Tue, 2018-04-17 at 17:15 +0300, Kirill Tkhai wrote: >> On 17.04.2018 17:01, Matthew Wilcox wrote: >>> On Thu, Apr 05, 2018 at 02:58:06PM +0300, Kirill Tkhai wrote: I observed the following deadlock between them: [task 1]

Re: [PATCH] clk: sunxi-ng: replace lib-y with obj-y

Quoting Masahiro Yamada (2018-04-18 04:52:31) > We had commit 06e226c7fb23 ("clk: sunxi-ng: Move all clock types to a > library") and commit 799c43415442 ("kbuild: thin archives make default > for all archs") in the same development cycle, from different trees. > > With migration to the thin

[PATCH] soc: Unconditionally include qcom Makefile

From: Guenter Roeck Incoming Qualcomm changes for GENI, i2c [1], and cmd-db [2] are enabled with COMPILE_TEST in drivers/soc/qcom. For this to work, the Makefile in that directory has to be included unconditionally, rather than only if ARCH_QCOM is enabled. Example of the

Re: [PATCH v3 3/3] clk: qcom: Add Global Clock controller (GCC) driver for SDM845

Quoting Amit Nischal (2018-04-18 06:03:49) > On 2018-04-17 09:21, Stephen Boyd wrote: > > Quoting Amit Nischal (2018-04-03 06:22:41) > >> + > >> +static struct clk_rcg2 gcc_usb30_prim_mock_utmi_clk_src = { > >> + .cmd_rcgr = 0xf030, > >> + .mnd_width = 0, > >> + .hid_width = 5, >

Re: [PATCH -next] m68k: fix return value check in mcf_pci_init()

Hi Wei, On 18/04/18 23:57, Wei Yongjun wrote: > In case of error, the function ioremap() returns NULL pointer not > ERR_PTR(). The IS_ERR() test in the return value check should be > replaced with NULL test. > > Fixes: bf114d773167 ("m68k: force use of __raw_read/__raw_write address to be >

Re: [PATCH RFC tools/memory-model 2/5] tools/memory-model: Add litmus test for multicopy atomicity

On Wed, Apr 18, 2018 at 11:40:33AM +0200, Andrea Parri wrote: > On Mon, Apr 16, 2018 at 09:22:48AM -0700, Paul E. McKenney wrote: > > This commit adds a litmus test suggested by Alan Stern that is forbidden > > on multicopy atomic systems, but allowed on non-multicopy atomic systems. > > Note that

Re: [RFC PATCH ghak32 V2 02/13] audit: check children and threading before allowing containerid

On Fri, Mar 16, 2018 at 5:00 AM, Richard Guy Briggs wrote: > Check if a task has existing children or co-threads and refuse to set > the container ID if either are present. Failure to check this could > permit games where a child scratches its parent's back to work around >

Re: [PATCH 11/11] x86/pti: leave kernel text global for !PCID

On Fri, Apr 6, 2018 at 1:55 PM, Dave Hansen wrote: > +/* > + * For some configurations, map all of kernel text into the user page > + * tables. This reduces TLB misses, especially on non-PCID systems. > + */ > +void pti_clone_kernel_text(void) > +{ > + unsigned

Re: [PATCH RFC tools/memory-model 4/5] tools/memory-model: Add model support for spin_is_locked

On Wed, Apr 18, 2018 at 11:57:59AM +0200, Andrea Parri wrote: > On Mon, Apr 16, 2018 at 09:22:50AM -0700, Paul E. McKenney wrote: > > From: Luc Maranget > > > > This commit first adds a trivial macro for spin_is_locked() to > > linux-kernel.def. > > > > It also adds cat

Re: [PATCH v2 2/3] ASoC: amd: dma driver changes for BT I2S instance

Hi Vijendar, On Wed, Apr 18, 2018 at 5:02 AM Vijendar Mukunda wrote: > With in ACP, There are three I2S controllers can be > configured/enabled ( I2S SP, I2S MICSP, I2S BT). > Default enabled I2S controller instance is I2S SP. > This patch provides required changes to

Re: [lustre-devel] [PATCH 00/20] staging: lustre: convert to rhashtable

>>> libcfs in lustre has a resizeable hashtable. >>> Linux already has a resizeable hashtable, rhashtable, which is better >>> is most metrics. See https://lwn.net/Articles/751374/ in a few days >>> for an introduction to rhashtable. >> >> Thansk for starting this work. I was think about cleaning

[PATCH v2] perf tools: coresight: Moving to SPDX identifier

Moving perf tools CoreSight support to the SPDX identifier. Signed-off-by: Mathieu Poirier --- include/linux/coresight-pmu.h | 13 + tools/include/linux/coresight-pmu.h | 13 + tools/perf/arch/arm/util/auxtrace.c

Re: [PATCH 00/17] thermal: enable/check sensor after its setup is finished

Hi Bartlomiej, > Bartlomiej Zolnierkiewicz hat am 10. April 2018 um > 14:41 geschrieben: > > > Hi, > > [devm]_thermal_zone_of_sensor_register() is used to register > thermal sensor by thermal drivers using DeviceTree. Besides > registering sensor this function also

Re: [PATCH v2] ARM: dts: BCM5301X: Make usb3 phy use mdio phy driver

On 04/09/2018 03:31 PM, Vivek Unune wrote: > Currently, usb3 phy in bcm5301x.dtsi uses platform driver which > requires register range "ccb-mii" <0x18003000 0x1000>. This range > overlaps with mdio cmd and param registers (<0x18003000 0x8>). > Essentially, the platform driver partly acts like a

Re: [PATCH v2] prctl: Deprecate non PR_SET_MM_MAP operations

On Wed, Apr 18, 2018 at 03:28:20PM -0700, Andrew Morton wrote: > On Thu, 5 Apr 2018 21:26:51 +0300 Cyrill Gorcunov wrote: > > > Subject: [PATCH v2] prctl: Deprecate non PR_SET_MM_MAP operations > > s/Deprecate/remove/ ! Thanks! > > > > Googling didn't reveal some other

Re: [PATCH 2/6] rhashtable: remove incorrect comment on r{hl, hash}table_walk_enter()

On Wed, Apr 18 2018, Herbert Xu wrote: > On Wed, Apr 18, 2018 at 04:47:01PM +1000, NeilBrown wrote: >> Neither rhashtable_walk_enter() or rhltable_walk_enter() sleep, so >> remove the comments which suggest that they do. >> >> Signed-off-by: NeilBrown >> --- >>

Re: [PATCH 6/6] rhashtable: add rhashtable_walk_prev()

On Wed, Apr 18 2018, Herbert Xu wrote: > On Wed, Apr 18, 2018 at 04:47:02PM +1000, NeilBrown wrote: >> rhashtable_walk_prev() returns the object returned by >> the previous rhashtable_walk_next(), providing it is still in the >> table (or was during this grace period). >> This works even if

Re: [PATCH 1/6] rhashtable: remove outdated comments about grow_decision etc

On Wed, Apr 18 2018, Herbert Xu wrote: > On Wed, Apr 18, 2018 at 04:47:01PM +1000, NeilBrown wrote: >> grow_decision and shink_decision no longer exist, so remove >> the remaining references to them. >> >> Signed-off-by: NeilBrown > > Acked-by: Herbert Xu

Re: linux-next: build warning after merge of the scsi tree

Long, > I will fix this by moving those data structure to kmalloc pre-allocated > when channel is first created. Sounds good. I'll drop patch 3 for now and wait for you to resubmit. -- Martin K. Petersen Oracle Linux Engineering

Re: Linux 4.9.94

Hi Greg, This release has the same build failure on file tools/perf/tests/code- reading.c as the one reported for 4.4.128: Quoting from https://lkml.org/lkml/2018/4/16/246 tests/code-reading.c: In function ‘read_object_code’: tests/code-reading.c:186:19: error: ‘KMOD_DECOMP_LEN’ undeclared

Re: [PATCH 03/35] x86/entry/32: Load task stack from x86_tss.sp1 in SYSENTER handler

On Wed, Apr 18, 2018 at 4:26 PM, Andi Kleen wrote: > > Seems like a hack. Why can't that be stored in a per cpu variable? It *is* a percpu variable - the whole x86_tss structure is percpu. I guess it could be a different (separate) percpu variable, but might as well use

[PATCH v3 1/3] resource: Use list_head to link sibling resource

The struct resource uses singly linked list to link siblings. It's not easy to do reverse iteration on sibling list. So replace it with list_head. And this makes codes in kernel/resource.c more readable after refactoring than pointer operation. Besides, type of member variables of struct

[PATCH v3 2/3] resource: add walk_system_ram_res_rev()

This function, being a variant of walk_system_ram_res() introduced in commit 8c86e70acead ("resource: provide new functions to walk through resources"), walks through a list of all the resources of System RAM in reversed order, i.e., from higher to lower. It will be used in kexec_file code.

[PATCH v3 3/3] kexec_file: Load kernel at top of system RAM if required

For kexec_file loading, if kexec_buf.top_down is 'true', the memory which is used to load kernel/initrd/purgatory is supposed to be allocated from top to down. This is what we have been doing all along in the old kexec loading interface and the kexec loading is still default setting in some

[PATCH v3 0/3] resource: Use list_head to link sibling resource

This patchset mainly converts strut resource's sibling list from singly linked list to doubly linked list, list_head. This is suggested by Andrew. Since I need a reversed searching on iomem_resource's IORESOURCE_SYSTEM_RAM children, the old singly linked list way makes the code in v1 post really

[PATCH] USB: Increment wakeup count on remote wakeup.

On chromebooks we depend on wakeup count to identify the wakeup source. But currently USB devices do not increment the wakeup count when they trigger the remote wake. This patch addresses the same. Resume condition is reported differently on USB 2.0 and USB 3.0 devices. On USB 2.0 devices, a

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

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 document. Using jsonschema gives us access to existing

Re: [PATCH v2] prctl: Deprecate non PR_SET_MM_MAP operations

On Thu, 5 Apr 2018 21:26:51 +0300 Cyrill Gorcunov wrote: > Subject: [PATCH v2] prctl: Deprecate non PR_SET_MM_MAP operations s/Deprecate/remove/ ! > An ability to manipulate mm_struct fields was introduced in > sake of CRIU in first place. Later we provide more suitable >

Re: [v4 PATCH] mm: introduce arg_lock to protect arg_start|end and env_start|end in mm_struct

On 18.04.2018 21:48, Yang Shi wrote: > > > On 4/18/18 3:11 AM, Kirill Tkhai wrote: >> On 14.04.2018 21:24, Yang Shi wrote: >>> mmap_sem is on the hot path of kernel, and it very contended, but it is >>> abused too. It is used to protect arg_start|end and evn_start|end when >>> reading

RE: [PATCH v2] storvsc: Set up correct queue depth values for IDE devices

Hi Martin Can you take a look at the following patch? Long > > -Original Message- > > From: linux-kernel-ow...@vger.kernel.org > > On Behalf Of Long Li > > Sent: Thursday, March 22, 2018 2:47 PM > > To: KY Srinivasan ; Haiyang

Re: [PATCH 03/35] x86/entry/32: Load task stack from x86_tss.sp1 in SYSENTER handler

Joerg Roedel writes: > From: Joerg Roedel > > We want x86_tss.sp0 point to the entry stack later to use > it as a trampoline stack for other kernel entry points > besides SYSENTER. > > So store the task stack pointer in x86_tss.sp1, which is > otherwise unused

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

On 04/17/2018 01:02 PM, Doug Anderson wrote: > On Fri, Apr 13, 2018 at 7:50 PM, David Collins > wrote: >> +#define RPMH_REGULATOR_DISABLE 0x0 >> +#define RPMH_REGULATOR_ENABLE 0x1 > > In the last version Stephen said he didn't like the

Re: [PATCH v3 3/3] clk: qcom: Add Global Clock controller (GCC) driver for SDM845

Quoting Manu Gautam (2018-04-18 09:38:41) > Hi Amit, > > > On 4/18/2018 6:33 PM, Amit Nischal wrote: > >>> +   /* Disable the GPLL0 active input to MMSS and GPU via MISC > >>> registers */ > >>> +   regmap_update_bits(regmap, 0x09ffc, 0x3, 0x3); > >>> +   regmap_update_bits(regmap, 

Re: [per_cpu_ptr_to_phys] PANIC: early exception 0x0d IP 10:ffffffffa892f15f error 0 cr2 0xffff88001fbff000

Hi, On Wed, Apr 18, 2018 at 09:55:53PM +0800, Fengguang Wu wrote: > > Hello, > > FYI here is a slightly different boot error in mainline kernel 4.17.0-rc1. > It also dates back to v4.16 . > > It occurs in 4 out of 4 boots. > > [0.00] Built 1 zonelists, mobility grouping on. Total

Re: [RFC PATCH ghak32 V2 01/13] audit: add container id

On Fri, Mar 16, 2018 at 5:00 AM, Richard Guy Briggs wrote: > Implement the proc fs write to set the audit container ID of a process, > emitting an AUDIT_CONTAINER record to document the event. > > This is a write from the container orchestrator task to a proc entry of > the form

Re: linux-next: build failure after merge of the arm-current tree

Hi Russell, On Wed, 18 Apr 2018 19:17:23 +0100 Russell King wrote: > > Hmm, I guess it's a result of: > > # echo $(( )) > dash: 4: arithmetic expression: expecting primary: " " > > which points to the sed expression producing no output. If that's the > case, then

Re: Adding modules-linus branch to linux-next

Hi Jessica, On Wed, 18 Apr 2018 22:57:39 +0200 Jessica Yu wrote: > > Could you please add the modules-linus branch at: > > git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux.git modules-linus > > to linux-next? The branch will contain rc fixes intended for the >

Re: [RFC PATCH ghak32 V2 04/13] audit: add containerid filtering

On Fri, Mar 16, 2018 at 5:00 AM, Richard Guy Briggs wrote: > Implement container ID filtering using the AUDIT_CONTAINERID field name > to send an 8-character string representing a u64 since the value field > is only u32. > > Sending it as two u32 was considered, but gathering and

[PATCH v5] dmaengine: pl330: flush before wait, and add dev burst support.

Do DMAFLUSHP _before_ the first DMAWFP to ensure controller and peripheral are in agreement about dma request state before first transfer. Add support for burst transfers to/from peripherals. In the new scheme, the controller does as many burst transfers as it can then transfers the remaining

Re: [RFC PATCH ghak32 V2 05/13] audit: add containerid support for ptrace and signals

On Fri, Mar 16, 2018 at 5:00 AM, Richard Guy Briggs wrote: > Add container ID support to ptrace and signals. In particular, the "op" > field provides a way to label the auxiliary record to which it is > associated. > > Signed-off-by: Richard Guy Briggs > --- >

[PATCH -next] user_namespace: Replace gotos with return statements

Found while inspecting the code that handles the setgroups procfs file. Signed-off-by: Marcos Paulo de Souza --- Tested locally setting up a new userns, and setting setgroups as deny and allow, worked as before. kernel/user_namespace.c | 20 +++- 1

[PATCH] clk: aspeed: Support second reset register

The ast2500 has an additional reset register that contains resets not present in the ast2400. This enables support for this register, and adds the one reset line that is controlled by it. Signed-off-by: Joel Stanley --- drivers/clk/clk-aspeed.c | 44

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

On Wed, Apr 18, 2018 at 07:37:59PM -0500, Kim Phillips wrote: > diff --git a/tools/perf/arch/arm64/util/sym-handling.c > b/tools/perf/arch/arm64/util/sym-handling.c > index 0051b1ee8450..5c4a2e208bbc 100644 > --- a/tools/perf/arch/arm64/util/sym-handling.c > +++

Re: [PATCH] IB/core: Make ib_mad_client_id atomic

On 2018/4/18 22:24, Håkon Bugge wrote: Two kernel threads may get the same value for agent.hi_tid, if the agents are registered for different ports. As of now, this works, as the agent list is per port. It is however confusing and not future robust. Hence, making it atomic. Signed-off-by:

Re: [PATCH V2 2/2] ARM: dts: imx6sx-sabreauto: add external 24MHz clock source

Quoting Shawn Guo (2018-04-17 07:22:05) > On Mon, Mar 19, 2018 at 10:30:45AM +0800, Anson Huang wrote: > > On i.MX6SX SabreAuto board, there is external 24MHz clock > > source for analog clock2, add this clock source to clock tree. > > > > Signed-off-by: Anson Huang > > ---

Re: [PATCH v1 2/4] dt-bindings: clock: mediatek: add g3dsys bindings

Quoting sean.w...@mediatek.com (2018-04-18 03:24:54) > From: Sean Wang > > Add bindings to g3dsys providing necessary clock and reset control to > Mali-450. > > Signed-off-by: Sean Wang > --- > .../bindings/arm/mediatek/mediatek,g3dsys.txt

Re: [PATCH 2/6] rhashtable: remove incorrect comment on r{hl, hash}table_walk_enter()

On Thu, Apr 19, 2018 at 08:56:28AM +1000, NeilBrown wrote: > > I don't want to do that - I just want the documentation to be correct > (or at least, not be blatantly incorrect). The function does not sleep, > and is safe to call with spin locks held. > Do we need to spell out when it can be

RE: [PATCH V2 2/2] ARM: dts: imx6sx-sabreauto: add external 24MHz clock source

Anson Huang Best Regards! > -Original Message- > From: Stephen Boyd [mailto:sb...@kernel.org] > Sent: Thursday, April 19, 2018 11:18 AM > To: Anson Huang ; Shawn Guo > > Cc: mark.rutl...@arm.com; devicet...@vger.kernel.org; >

Re: [PATCH V8 1/5] crypto: Multi-buffer encryption infrastructure support

On Thu, Apr 19, 2018 at 12:54:16AM +, Dey, Megha wrote: > > Yeah I think I misunderstood. I think what you mean is to remove mcryptd.c > completely and avoid the extra layer of indirection to call the underlying > algorithm, instead call it directly, correct? > > So currently we have 3

Re: KASAN: slab-out-of-bounds Write in tcp_v6_syn_recv_sock

On Tue, Jan 02, 2018 at 03:58:01PM -0800, syzbot wrote: > Hello, > > syzkaller hit the following crash on > 61233580f1f33c50e159c50e24d80ffd2ba2e06b > git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/master > compiler: gcc (GCC) 7.1.1 20170620 > .config is attached > Raw console

Re: [RFC PATCH ghak32 V2 06/13] audit: add support for non-syscall auxiliary records

On Fri, Mar 16, 2018 at 5:00 AM, Richard Guy Briggs wrote: > Standalone audit records have the timestamp and serial number generated > on the fly and as such are unique, making them standalone. This new > function audit_alloc_local() generates a local audit context that will >

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

On Tue, 17 Apr 2018 11:27:26 +0900 Namhyung Kim wrote: > On Mon, Apr 16, 2018 at 05:48:11PM -0500, Kim Phillips wrote: > > On Mon, 16 Apr 2018 12:24:07 -0500 > > Kim Phillips wrote: > > > > > On Mon, 16 Apr 2018 13:58:00 -0300 > > > Arnaldo Carvalho

Re: [PATCH 03/35] x86/entry/32: Load task stack from x86_tss.sp1 in SYSENTER handler

On Wed, Apr 18, 2018 at 05:02:02PM -0700, Linus Torvalds wrote: > On Wed, Apr 18, 2018 at 4:26 PM, Andi Kleen wrote: > > > > Seems like a hack. Why can't that be stored in a per cpu variable? > > It *is* a percpu variable - the whole x86_tss structure is percpu. > > I

RE: [Patch v2 2/6] cifs: Allocate validate negotiation request through kmalloc

> -Original Message- > From: linux-kernel-ow...@vger.kernel.org > On Behalf > Of Long Li > Sent: Tuesday, April 17, 2018 12:17 PM > To: Steve French ; linux-c...@vger.kernel.org; samba- > techni...@lists.samba.org;

Re: [PATCH 03/35] x86/entry/32: Load task stack from x86_tss.sp1 in SYSENTER handler

On Wed, Apr 18, 2018 at 5:38 PM, Andi Kleen wrote: > On Wed, Apr 18, 2018 at 05:02:02PM -0700, Linus Torvalds wrote: >> On Wed, Apr 18, 2018 at 4:26 PM, Andi Kleen wrote: >> > >> > Seems like a hack. Why can't that be stored in a per cpu variable? >>

Re: [RFC PATCH ghak32 V2 01/13] audit: add container id

On Wed, Apr 18, 2018 at 8:41 PM, Casey Schaufler wrote: > On 4/18/2018 4:47 PM, Paul Moore wrote: >> On Fri, Mar 16, 2018 at 5:00 AM, Richard Guy Briggs wrote: >>> Implement the proc fs write to set the audit container ID of a process, >>> emitting an

RE: [Patch v2 2/6] cifs: Allocate validate negotiation request through kmalloc

> Subject: RE: [Patch v2 2/6] cifs: Allocate validate negotiation request > through > kmalloc > > > -Original Message- > > From: linux-kernel-ow...@vger.kernel.org > > On Behalf Of Long Li > > Sent: Tuesday, April 17, 2018 12:17 PM > > To: Steve

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