Re: [PATCH v2 00/19] prevent bounds-check bypass via speculative execution

On Thu, Jan 18, 2018 at 08:58:08AM -0800, Dan Williams wrote: > On Thu, Jan 18, 2018 at 5:18 AM, Will Deacon wrote: > > On Thu, Jan 11, 2018 at 05:41:08PM -0800, Dan Williams wrote: > >> On Thu, Jan 11, 2018 at 5:19 PM, Linus Torvalds > >>

Re: [RFC] Per file OOM badness

On Thu 18-01-18 18:00:06, Michal Hocko wrote: > On Thu 18-01-18 11:47:48, Andrey Grodzovsky wrote: > > Hi, this series is a revised version of an RFC sent by Christian König > > a few years ago. The original RFC can be found at > >

[PATCH] irq-imgpdc: Delete two error messages for a failed memory allocation in pdc_intc_probe()

From: Markus Elfring Date: Thu, 18 Jan 2018 18:05:46 +0100 Omit extra messages for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring ---

Re: [PATCH v7 11/14] MIPS: ingenic: Initial JZ4770 support

Hi James, Le mer. 17 janv. 2018 à 22:28, James Hogan a écrit : On Tue, Jan 16, 2018 at 04:48:01PM +0100, Paul Cercueil wrote: Provide just enough bits (clocks, clocksource, uart) to allow a kernel to boot on the JZ4770 SoC to a initramfs userspace. Signed-off-by:

Re: [PATCH 3/3] phy: rockchip-typec: reset USB3 controller before initializing PHY

2018-01-12 11:08 GMT+01:00 William Wu : > According to the RK3399 TRM, for Type-C USB start-up sequence, > we need to hold the whole USB 3.0 OTG controller in reset state > to keep the PIPE power state in P2 while initializing PHY. This > is because when initialize the

Re: [BUG] function_graph trace causes hang when using sleepgraph (4.15.0-rc1 and newer)

On Tue, 2018-01-09 at 11:13 -0500, Steven Rostedt wrote: > On Mon, 08 Jan 2018 17:25:15 -0800 > Todd Brandt wrote: > > > Can you reproduce the issue there? I just want to be sure it's not > > something local to our machines here, as long as you have CONFIG_PM > >

Re: [RFC PATCH] blk-mq: fixup RESTART when queue becomes idle

On Thu, 2018-01-18 at 12:03 -0500, Mike Snitzer wrote: > On Thu, Jan 18 2018 at 11:50am -0500, > Bart Van Assche wrote: > > My comments about the above are as follows: > > - It can take up to q->rq_timeout jiffies after a .queue_rq() > > implementation returned

Re: [mm 4.15-rc8] Random oopses under memory pressure.

On Thu 18-01-18 18:40:26, Kirill A. Shutemov wrote: [...] > + /* > + * Make sure that pages are in the same section before doing pointer > + * arithmetics. > + */ > + if (page_to_section(pvmw->page) != page_to_section(page)) > + return false; OK, THPs shouldn't

Re: [PATCH 2/3] arm64: dts: rockchip: add USB3 OTG reset for Type-C PHY on rk3399

2018-01-12 11:08 GMT+01:00 William Wu : > Add USB3 OTG reset for Type-C PHY. It can be used to hold the USB3 > OTG controller in reset state before initializing the Type-C PHY. > > Signed-off-by: William Wu > --- >

Re: [PATCH v6 02/12] drivers: base: cacheinfo: setup DT cache properties early

On Wed, 17 Jan 2018 10:08:27 PST (-0800), sudeep.ho...@arm.com wrote: (Sorry, somehow I missed this email until I saw Jeremy's reply today) On 15/01/18 16:07, Palmer Dabbelt wrote: On Mon, 15 Jan 2018 04:33:38 PST (-0800), sudeep.ho...@arm.com wrote: On Fri, Jan 12, 2018 at 06:59:10PM -0600,

Re: [PATCH 1/3] dt-bindings: phy: phy-rockchip-typec: add usb3 otg reset

On Thu, Jan 18, 2018 at 06:20:09PM +0100, Enric Balletbo Serra wrote: > As Brian said commit 06c47e6286d5 'usb: dwc3: of-simple: Add support > to get resets for the device' introduced the support to get the resets > from dwc3-of-simple and the queued commit 'b7e63d95c14d arm64: dts: > rockchip:

Re: general protection fault in strlen

On Thu, Jan 18, 2018 at 6:54 PM, Xin Long wrote: > This patch will also fix it: > https://patchwork.ozlabs.org/patch/862778/ #syz fix: netlink: reset extack earlier in netlink_rcv_skb

Re: aio poll, io_pgetevents and a new in-kernel poll API V3

Christoph Hellwig writes: > On Thu, Jan 18, 2018 at 11:44:03AM -0500, Jeff Moyer wrote: >> Jeff Moyer writes: >> >> > FYI, this kernel has issues. It will boot up, but I don't have >> > networking, and even rebooting doesn't succeed. I'm looking into it. >>

Re: [PATCH v5 3/4] PCI/DPC: Unify and plumb error handling into DPC

On 1/18/2018 1:00 PM, p...@codeaurora.org wrote: >> I think you would put into include/linux/pci.h only if there is an external >> use of constant outside of drivers/pci directory. Otherwise, you should keep >> the setting inside one of the header files in drivers/pci directory. >> >> I don't see

Re: [PATCH v2] net: ethernet: cavium: Correct Cavium Thunderx nicvf/nicpf modules names

Self NACK here: modules names has to contain dashes instead of underscores, as it defined at sources (or update modules DRV_NAME definitions whithin the source files with underscores). Shame on me. Vadim On Thu, Jan 18, 2018 at 07:53:09AM -0800, Vadim Lomovtsev wrote: > From: Vadim Lomovtsev

Re: [RFC PATCH] blk-mq: fixup RESTART when queue becomes idle

On Thu, Jan 18 2018 at 12:20pm -0500, Bart Van Assche wrote: > On Thu, 2018-01-18 at 12:03 -0500, Mike Snitzer wrote: > > On Thu, Jan 18 2018 at 11:50am -0500, > > Bart Van Assche wrote: > > > My comments about the above are as follows: > > > - It

Re: [PATCH 29/35] x86/speculation: Add IPBP support

On Thu, Jan 18, 2018 at 02:48:29PM +0100, Peter Zijlstra wrote: > From: Thomas Gleixner <--- Add commit message here. > Signed-off-by: Thomas Gleixner > Signed-off-by: Peter Zijlstra (Intel) > --- >

[PATCHv2 3/5] pktgen: Add behaviour flags macro to generate flags/names

PKT_FALGS macro will be used to add package behavior names definitions to simplify the code that prints/reads pkg flags. Sorted the array in order of printing the flags in pktgen_if_show() Note: Renamed IPSEC_ON => IPSEC for simplicity. No visible behavior change expected. Signed-off-by: Dmitry

[PATCH 6/9] clk: meson: add gxl hdmi pll

The hdmi pll used in the gxl family is actually different from the gxbb. The register layout is completely different, which explain why the hdmi pll rate has always been rubbish on the gxl. Adding the correct register field is the first part of the fix to get a correct rate out the hdmi pll

[PATCH 8/9] clk: meson: gxbb: add the fractional part of the fixed_pll

The fixed_pll of gxbb and gxl also has a fractional parameter. This has not been a problem so far because fractional part is actually set to 0 on these platforms, so the rate remains correct when it is ignored. Still, it is better represent the pll the way it is, so add the frac parameter now

Re: [PATCH 29/35] x86/speculation: Add IPBP support

On Thu, Jan 18, 2018 at 12:35:23PM -0600, Josh Poimboeuf wrote: > Maybe I missed the memo, why do we need both X86_FEATURE_IBPB and > X86_FEATURE_AMD_IBPB? So AMD_IBPB is a different CPUID bit in a different CPUID function and on Intel, IBPB is set only when X86_FEATURE_SPEC_CTRL - see

[PATCH 7/9] clk: meson: fix pll with fractional part calculation

The rate of the parent should not be multiplied by 2 when there is a fractional part to the pll. This is making the rate calculation of gxl_hdmi_pll wrong (and others as well). This multiplication is specific to the hdmi_pll of gxbb and is most likely due to a multiplier sitting in front of this

[PATCH 5/9] clk: meson: add od3 to the pll driver

Some meson plls, such as the hdmi pll, are using a 3rd od parameter, which is yet another "power of 2" post divider. Add it to fix the calculation of the hdmi_pll rate Fixes: 738f66d3211d ("clk: gxbb: add AmLogic GXBB clk controller driver") Signed-off-by: Jerome Brunet ---

[PATCH 4/9] clk: meson: use frac parameter width instead of a constant

Use the fractional part width in the calculation instead of 12, which happens to e the witdh right now. This is safer in case the field width ever change in the future Signed-off-by: Jerome Brunet --- drivers/clk/meson/clk-pll.c | 2 +- 1 file changed, 1 insertion(+), 1

Re: [PATCH] ARC: Add a knob to control usage of dual-issue

On 01/18/2018 05:48 AM, Alexey Brodkin wrote: HS48 core starts with dual-issue enabled but in some cases like debugging as well as benchmarking it might be useful to disable dual-issue for a particular run. Note: 1. To disable dual-issue user has to change a value of a global variable

[PATCH] input: remove at32psif

Since AVR32 arch is gone, at32psif driver is useless. This patch remove it. Signed-off-by: Corentin Labbe --- drivers/input/serio/Kconfig| 10 -- drivers/input/serio/Makefile | 1 - drivers/input/serio/at32psif.c | 357

Re: [PATCH] input: cyapa: remove redundant assignment to 'pwr_cmd'

On Wed, Jan 17, 2018 at 10:45:19AM +, Colin King wrote: > From: Colin Ian King > > The variable pwr_cmd is being assigned to cyapa->suspend_power_mode > twice, once during the declaration and once after taking an > interruptible mutex lock. Remove the redundant

ubifs: noatime support?

Hi! Ubifs seems to have atime support these days: sb->s_flags |= SB_ACTIVE; #ifndef CONFIG_UBIFS_ATIME_SUPPORT sb->s_flags |= SB_NOATIME; #else ubifs_msg(c, "full atime support is enabled."); #endif Which can be configured at compile-time, but no option to disable

Re: [PATCH] input: joystick: make USB drivers depend on USB

On 01/17/2018 01:53 PM, Dmitry Torokhov wrote: > On Wed, Jan 17, 2018 at 10:30:10PM +0100, Marcus Folkesson wrote: >> A driver should not enable an entire subsystem. > > I disagree. As you go through menuconfig and you encounter this option > and you have the hardware and you want to enable it,

[PATCHv2 5/5] pktgen: Clean read user supplied flag mess

Don't use error-prone-brute-force way. Signed-off-by: Dmitry Safonov --- net/core/pktgen.c | 144 +++--- 1 file changed, 39 insertions(+), 105 deletions(-) diff --git a/net/core/pktgen.c b/net/core/pktgen.c index

Re: [PATCH v2 0/2] arm64: Run enable method for errata work arounds on late CPUs

On 18/01/18 14:25, Suzuki K Poulose wrote: On 18/01/18 14:21, Dave Martin wrote: On Thu, Jan 18, 2018 at 12:08:43PM +, Robin Murphy wrote: On 18/01/18 12:00, Robin Murphy wrote: [...] +struct enable_arg { +    int (*enable)(struct arm64_cpu_capabilities const *); +    struct

[PATCHv2 0/5] pktgen: Behavior flags fixes

v2: o fixed a nitpick from David Miller There are a bunch of fixes/cleanups/Documentations. Diffstat says for itself, regardless added docs and missed flag parameters. Cc: Arnd Bergmann Cc: "David S. Miller" Cc: David Windsor Cc: Eric

[PATCHv2 4/5] pktgen: Remove brute-force printing of flags

Add macro generated pkt_flag_names array, with a little help of which the flags can be printed by using an index. Signed-off-by: Dmitry Safonov --- net/core/pktgen.c | 77 ++- 1 file changed, 19 insertions(+), 58 deletions(-)

Re: [PATCH v5 43/44] ARM: da8xx-dt: switch to device tree clocks

On 01/18/2018 09:27 AM, Sekhar Nori wrote: On Monday 08 January 2018 07:55 AM, David Lechner wrote: This removes all of the clock init code from da8xx-dt.c. This includes all of the OF_DEV_AUXDATA that was just used for looking up clocks. Note: You need to have clocks defined in your device

[RFC] perf: Allow fine-grained PMU access control

From: Tvrtko Ursulin For situations where sysadmins might want to allow different level of of access control for different PMUs, we start creating per-PMU perf_event_paranoid controls in sysfs. These work in equivalent fashion as the existing perf_event_paranoid

[PATCH 9/9] clk: meson: axg: add the fractional part of the fixed_pll

The fixed_pll also has a fractional part. On axg s400 board, without this parameter, the calculated rate is off by ~8Mhz (0,4%). The fixed_pll being the root of peripheral clock tree, this error is propagated to the rest of the clocks Adding the definition of the parameter fixes the problem

Re: [PATCH v1 tip/master 0/3] kprobes/x86: retpoline: Fix kprobes for retpoline

On Thu, Jan 18, 2018 at 02:03:07PM +0100, David Woodhouse wrote: > On Thu, 2018-01-18 at 05:01 -0800, Andi Kleen wrote: > > > > > > Side effect: [1/3] will move __x86_indirect_thunk_* functions > > > in kernel text area. Of course those functions were in the > > > .text area, but placed in right

Re: [PATCH v5 21/44] clk: davinci: New driver for TI DA8XX USB PHY clocks

On 01/18/2018 07:05 AM, Sekhar Nori wrote: On Monday 08 January 2018 07:47 AM, David Lechner wrote: +static int da8xx_usb1_phy_clk_set_parent(struct clk_hw *hw, u8 index) +{ + struct da8xx_usb1_phy_clk *clk = to_da8xx_usb1_phy_clk(hw); + unsigned int mask, val; + + /* Set the

Re: [PATCH 23/35] x86/speculation: Add basic speculation control code

On Thu, Jan 18, 2018 at 12:24:31PM -0600, Josh Poimboeuf wrote: > On Thu, Jan 18, 2018 at 06:12:36PM +0100, Paolo Bonzini wrote: > > On 18/01/2018 18:08, Dave Hansen wrote: > > > On 01/18/2018 08:37 AM, Josh Poimboeuf wrote: > > >>> > > >>> --- a/Documentation/admin-guide/kernel-parameters.txt > >

Re: [v8,02/12] objtool: Allow alternatives to be ignored

Hi folks, On Thu, Jan 11, 2018 at 09:46:24PM +, Woodhouse, David wrote: > Getting objtool to understand retpolines is going to be a bit of a > challenge. For now, take advantage of the fact that retpolines are > patched in with alternatives. Just read the original (sane) > non-alternative

Re: [PATCH v3 10/16] iommu: introduce device fault report API

Hi Jacob, I've got minor comments after working with this patch, sorry for the multiple replies On 17/11/17 18:55, Jacob Pan wrote: [...] > diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c > index 829e9e9..97b7990 100644 > --- a/drivers/iommu/iommu.c > +++ b/drivers/iommu/iommu.c > @@

Re: [PATCH-next] MEMCG: memcontrol: make local symbol static

On Thu, 2018-01-18 at 10:08 -0500, Christopher Díaz Riveros wrote: > Fixes the following sparse warning: > > mm/memcontrol.c:1097:14: warning: > symbol 'memcg1_stats' was not declared. Should it be static? > > Signed-off-by: Christopher Díaz Riveros > --- >

Re: [PATCH v2] arm64: Branch predictor hardening for Cavium ThunderX2

On 01/18/2018 12:56 PM, Jayachandran C wrote: > On Thu, Jan 18, 2018 at 01:53:55PM +, Will Deacon wrote: >> Hi JC, >> >> On Tue, Jan 16, 2018 at 03:45:54PM -0800, Jayachandran C wrote: >>> On Tue, Jan 16, 2018 at 04:52:53PM -0500, Jon Masters wrote: On 01/09/2018 07:47 AM, Jayachandran C

[PATCHv2 2/5] pktgen: Add missing !flag parameters

o FLOW_SEQ now can be disabled with pgset "flag !FLOW_SEQ" o FLOW_SEQ and FLOW_RND are antonyms, as it's shown by pktgen_if_show() o IPSEC now may be disabled Note, that IPV6 is enabled with dst6/src6 parameters, not with a flag parameter. Signed-off-by: Dmitry Safonov ---

[PATCHv2 1/5] Documentation/pktgen: Clearify how-to use pktgen samples

o Change process name in ps output: looks like, these days the process is named kpktgend_, rather than pktgen/. o Use pg_ctrl for start/stop as it can work well with pgset without changes to $(PGDEV) variable. o Clarify a bit needed $(PGDEV) definition for sample scripts and that one needs

Re: [Resend Patch] KVM/x86: Fix wrong macro references of X86_CR0_PG_BIT and X86_CR4_PAE_BIT in kvm_valid_sregs()

On Tue, Jan 16, 2018 at 05:34:07PM +0800, Tianyu Lan wrote: > kvm_valid_sregs() should use X86_CR0_PG and X86_CR4_PAE to check bit > status rather than X86_CR0_PG_BIT and X86_CR4_PAE_BIT. This patch is > to fix it. > > Fixes: f29810335965a(KVM/x86: Check input paging mode when cs.l is set) >

[PATCH 1/9] clk: meson: check pll rate param table before using it

Make sure the rate param table is available before using it. Some read-only pll don't provide it, which is ok because the table is not used by read-only clock. R/W clock are supposed to provide it, but it does not hurt check it. Signed-off-by: Jerome Brunet ---

[PATCH 0/9] clk: meson: pll fixes

This changeset is collection of fixes and clean-up around the pll clock provider. This has been triggered by the discussion around the ethernet clock on the axg [0]. On the axg the rate reported by the fixed_pll was off by 8Mhz, which led the internal mux of the ethernet driver to pick an mpll2

Re: [RFC PATCH] blk-mq: fixup RESTART when queue becomes idle

On Thu, 2018-01-18 at 13:30 -0500, Mike Snitzer wrote: > 1%!? Where are you getting that number? Ming has detailed more > significant performance gains than 1%.. and not just on lpfc (though you > keep seizing on lpfc because of the low queue_depth of 3). That's what I derived from the numbers

[PATCH 2/9] clk: meson: remove useless pll rate param tables

Read-only pll don't need param table to recalculate the rate. Providing them with a param table is just a waste of memory. Remove the useless tables from sys_pll on gxbb and axg. Signed-off-by: Jerome Brunet --- drivers/clk/meson/axg.c | 94

[PATCH 3/9] clk: meson: remove unnecessary rounding in the pll clock

The pll driver perform the rate calculation in Mhz, which adds an unnecessary rounding down to the Mhz of the rate. Use 64bits long integer to perform this calculation safely on meson8b and perform the calculation in Hz instead Fixes: 7a29a869434e ("clk: meson: Add support for Meson clock

Re: [PATCH v22 2/3] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_VQ

On Thu, Jan 18, 2018 at 10:30:18PM +0900, Tetsuo Handa wrote: > On 2018/01/18 1:44, Michael S. Tsirkin wrote: > >> +static void add_one_sg(struct virtqueue *vq, unsigned long pfn, uint32_t > >> len) > >> +{ > >> + struct scatterlist sg; > >> + unsigned int unused; > >> + int err; > >> + > >> +

Re: [PATCH] ARC: Add a knob to control usage of dual-issue

Hi Vineet, On Thu, 2018-01-18 at 10:54 -0800, Vineet Gupta wrote: > On 01/18/2018 05:48 AM, Alexey Brodkin wrote: > > HS48 core starts with dual-issue enabled but in some cases like > > debugging as well as benchmarking it might be useful to disable > > dual-issue for a particular run. > > > >

Re: [PATCH 0/7] PM /Domain/OPP: Add support to get performance state from DT

On Thursday, January 18, 2018 7:34:04 AM CET Viresh Kumar wrote: > On 22-12-17, 12:56, Viresh Kumar wrote: > > Hi, > > > > Now that the DT bindings [1] are already Reviewed/Acked by respective > > maintainers, here is the code to start using them. > > > > The first two patches provide helpers in

Re: [RFC][PATCH] get rid of the use of set_fs() (by way of kernel_recvmsg()) in sunrpc

On Thu, Jan 18, 2018 at 04:43:02AM +, Al Viro wrote: > We could turn ->msg_control/->msg_controllen into another > iov_iter, but seeing that we never do scatter-gather for those > IMO that would be a massive overkill. A flag controlling whether > ->msg_control is kernel or userland

Re: aio poll, io_pgetevents and a new in-kernel poll API V3

On 01/18/2018 07:51 PM, Avi Kivity wrote: On 01/18/2018 05:46 PM, Jeff Moyer wrote: FYI, this kernel has issues.  It will boot up, but I don't have networking, and even rebooting doesn't succeed.  I'm looking into it. FWIW, I'm running an older version of this patchset on my desktop with no

Re: general protection fault in strlen

On Thu, Jan 18, 2018 at 11:58 PM, syzbot wrote: > Hello, > > syzbot hit the following crash on upstream commit > 8cbab92dff778e516064c13113ca15d4869ec883 > > So far this crash happened 19 times on linux-next, net-next, upstream. > C

Re: [PATCH] crypto: ux500/hash: Add empty export and import

Please drop this as I will resend it as part of patchset. On 16.01.2018 17:32, Kamil Konieczny wrote: > Crypto framework will require async hash export/import, so add empty > functions to prevent OOPS. > > Signed-off-by: Kamil Konieczny > --- >

Re: aio poll, io_pgetevents and a new in-kernel poll API V3

Avi Kivity writes: > On 01/18/2018 05:46 PM, Jeff Moyer wrote: >> FYI, this kernel has issues. It will boot up, but I don't have >> networking, and even rebooting doesn't succeed. I'm looking into it. > > FWIW, I'm running an older version of this patchset on my desktop with

Re: [RFC 4/6] softirq: Run per-group per-cpu ksoftirqd thread

On Thu, 2018-01-18 at 18:00 +0100, Mike Galbraith wrote: > On Thu, 2018-01-18 at 16:12 +, Dmitry Safonov wrote: > > > > diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h > > index 2ea09896bd6e..17e1a04445fa 100644 > > --- a/include/linux/interrupt.h > > +++

Re: [PATCH] crypto: mxs-dcp: Add empty hash export and import

Please drop this as I will resend it as part of patchset. On 16.01.2018 17:16, Kamil Konieczny wrote: > Crypto framework will require async hash export/import, so add empty > functions to prevent OOPS. > > Signed-off-by: Kamil Konieczny > --- >

Re: [PATCH] crypto: n2_core: Add empty hash export and import

Please drop this as I will resend it as part of patchset. On 16.01.2018 17:18, Kamil Konieczny wrote: > Crypto framework will require async hash export/import, so add empty > functions to prevent OOPS. > > Signed-off-by: Kamil Konieczny > --- >

Re: [PATCH v5 3/4] PCI/DPC: Unify and plumb error handling into DPC

On 2018-01-18 22:01, Sinan Kaya wrote: On 1/18/2018 12:57 AM, p...@codeaurora.org wrote: On 2018-01-18 10:47, p...@codeaurora.org wrote: On 2018-01-17 22:16, Sinan Kaya wrote: On 1/17/2018 5:37 AM, Oza Pawandeep wrote: +++ b/include/linux/dpc.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier:

[PATCH net-next v2] net: core: Expose number of link up/down transitions

From: David Decotigny Expose the number of times the link has been going UP or DOWN, and update the "carrier_changes" counter to be the sum of these two events. While at it, also update the sysfs-class-net documentation to cover: carrier_changes (3.15), carrier_up_count

Re: [PATCH] print kdump kernel loaded status in stack dump

Dave Young writes: > printk("%sHardware name: %s\n", > log_lvl, dump_stack_arch_desc_str); > + if (kexec_crash_loaded()) > + printk("%skdump kernel loaded\n", log_lvl); Oops/warnings are getting longer and longer, often

[PATCH] ARCv2: Don't pretend we may set L-bit in STATUS32 with kflag instruction

As per PRM "kflag" instruction doesn't change state of L-flag ("Zero-Overhead loop disabled") in STATUS32 register so let's not act as if we can affect this bit. Signed-off-by: Alexey Brodkin --- arch/arc/include/asm/entry-arcv2.h | 2 +- 1 file changed, 1 insertion(+), 1

Re: [PATCH 1/3] perf, pt, coresight: Clean up address filter structure

On 18 January 2018 at 10:06, Will Deacon wrote: > On Thu, Jan 18, 2018 at 09:59:26AM -0700, Mathieu Poirier wrote: >> On 17 January 2018 at 05:31, Alexander Shishkin >> wrote: >> > On Tue, Feb 07, 2017 at 10:50:50AM -0700, Mathieu Poirier

Re: [PATCH 29/35] x86/speculation: Add IPBP support

On Thu, Jan 18, 2018 at 07:31:16PM +0100, Borislav Petkov wrote: > On Thu, Jan 18, 2018 at 02:48:29PM +0100, Peter Zijlstra wrote: > > From: Thomas Gleixner > > <--- Add commit message here. > > > Signed-off-by: Thomas Gleixner > > Signed-off-by: Peter

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

Export and import are mandatory in async hash. As drivers were rewritten, drop empty wrappers and correct init of ahash transformation. Signed-off-by: Kamil Konieczny --- crypto/ahash.c | 18 ++ 1 file changed, 2 insertions(+), 16 deletions(-)

Re: [PATCH v5 29/44] ARM: da8xx: add new USB PHY clock init using common clock framework

On 01/18/2018 09:14 AM, Sekhar Nori wrote: On Monday 08 January 2018 07:47 AM, David Lechner wrote: +int __init da8xx_register_usb20_phy_clk(bool use_usb_refclkin) +{ + struct regmap *cfgchip; + struct clk *usb0_psc_clk, *clk; + struct clk_hw *parent; + + cfgchip =

Re: [PATCH] ARC: Allow disabling of prefetch operations for debugging purposes

On 01/18/2018 05:48 AM, Alexey Brodkin wrote: Signed-off-by: Alexey Brodkin --- arch/arc/Kconfig | 5 + arch/arc/include/asm/processor.h | 11 +++ arch/arc/lib/memcpy-archs.S | 16 arch/arc/lib/memset-archs.S |

Re: aio poll, io_pgetevents and a new in-kernel poll API V3

On Thu, Jan 18, 2018 at 12:55:47PM -0500, Colin Walters wrote: > > FWIW: > https://git.gnome.org/browse/glib/commit/?id=3904c8761a60dbadbdfaf98fe23ff19cbdcc4a9a > > Since that a lot of userspace (including NetworkManager) uses eventfd. I > haven't > tried this patchset myself but I'd look at

Re: aio poll, io_pgetevents and a new in-kernel poll API V3

On Thu, Jan 18, 2018, at 11:44 AM, Jeff Moyer wrote: > Jeff Moyer writes: > > > FYI, this kernel has issues. It will boot up, but I don't have > > networking, and even rebooting doesn't succeed. I'm looking into it. > > A bisect lands on: eventfd: switch to ->poll_mask.

Re: [PATCH v2] arm64: Branch predictor hardening for Cavium ThunderX2

On Thu, Jan 18, 2018 at 01:53:55PM +, Will Deacon wrote: > Hi JC, > > On Tue, Jan 16, 2018 at 03:45:54PM -0800, Jayachandran C wrote: > > On Tue, Jan 16, 2018 at 04:52:53PM -0500, Jon Masters wrote: > > > On 01/09/2018 07:47 AM, Jayachandran C wrote: > > > > > > > Use PSCI based mitigation

Re: [PATCH v3 8/9] x86: use __uaccess_begin_nospec and ASM_IFENCE in get_user paths

On Thu, Jan 18, 2018 at 08:49:31AM -0800, Linus Torvalds wrote: > On Thu, Jan 18, 2018 at 8:38 AM, Christoph Hellwig wrote: > > > > > But there are about ~100 set_fs() calls in generic code, and some of > > > those really are pretty fundamental. Doing things like

Re: [PATCH 23/35] x86/speculation: Add basic speculation control code

On Thu, Jan 18, 2018 at 06:12:36PM +0100, Paolo Bonzini wrote: > On 18/01/2018 18:08, Dave Hansen wrote: > > On 01/18/2018 08:37 AM, Josh Poimboeuf wrote: > >>> > >>> --- a/Documentation/admin-guide/kernel-parameters.txt > >>> +++ b/Documentation/admin-guide/kernel-parameters.txt > >>> @@ -3932,6

Re: [RFC 4/6] softirq: Run per-group per-cpu ksoftirqd thread

On Thu, 2018-01-18 at 17:53 +, Dmitry Safonov wrote: > How do you identify in RT one ksoftirqd thread from > another? I mean, to find which softirq nr the thread is servicing? static void do_raise_softirq_irqoff(unsigned int nr) { struct task_struct *tsk = __this_cpu_ksoftirqd(nr);

[PATCH v3 1/5] crypto: mxs-dcp: Add empty hash export and import

Crypto framework requires export/import in async hash. If driver do not implement them, wrapper functions in framework will be used, and it will cause error during ahash alg registration (unless one disables crypto internal tests). To make change in framework and expose this requirement, I will

[PATCH 2/5] crypto: n2_core: Add empty hash export and import

Crypto framework requires export/import in async hash. If driver do not implement them, wrapper functions in framework will be used, and it will cause error during ahash alg registration (unless one disables crypto internal tests). To make change in framework and expose this requirement, I will

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

First four patches add empty hash export and import functions to each driver, with the same behaviour as in crypto framework. The last one drops them from crypto framework. Last one for ahash.c depends on all previous. Changes in v3: added change for bfin_crc.c make this a patchset, instead of

Re: [PATCH] PCI: dwc: dra7xx: add back CONFIG_PCI dependency for endpoint

On Thu, Jan 18, 2018 at 05:39:02PM +0100, Arnd Bergmann wrote: [...] > > However, since pci_irqd_intx_xlate is only defined inside > > CONFIG_PCI, even 489f8fe6aa71 will not help. > > > > Not completely sure about this, but perhaps a better fix is: > > > > +++ b/include/linux/pci.h > > @@

[PATCH 3/5] crypto: ux500/hash: Add empty export and import

Crypto framework requires export/import in async hash. If driver do not implement them, wrapper functions in framework will be used, and it will cause error during ahash alg registration (unless one disables crypto internal tests). To make change in framework and expose this requirement, I will

[PATCH 4/5] crypto: bfin_crc: Add empty hash export and import

Crypto framework requires export/import in async hash. If driver do not implement them, wrapper functions in framework will be used, and it will cause error during ahash alg registration (unless one disables crypto internal tests). To make change in framework and expose this requirement, I will

[PATCH] x86/cpu: Drop needless fall-through comment

This fall-through comment is both misspelled and unneeded (it appears between case statements, not between operations before a case statement). Signed-off-by: Kees Cook --- arch/x86/kernel/cpu/bugs.c | 1 - 1 file changed, 1 deletion(-) diff --git

Re: [PATCH] input: joystick: make USB drivers depend on USB

On Thu, Jan 18, 2018 at 10:25:21AM -0800, Randy Dunlap wrote: > On 01/17/2018 01:53 PM, Dmitry Torokhov wrote: > > On Wed, Jan 17, 2018 at 10:30:10PM +0100, Marcus Folkesson wrote: > >> A driver should not enable an entire subsystem. > > > > I disagree. As you go through menuconfig and you

Re: [PATCH] print kdump kernel loaded status in stack dump

On Thu, 18 Jan 2018 10:02:17 -0800 Andi Kleen wrote: > Dave Young writes: > > printk("%sHardware name: %s\n", > >log_lvl, dump_stack_arch_desc_str); > > + if (kexec_crash_loaded()) > > + printk("%skdump kernel

Re: [PATCH v5 20/44] dt-bindings: clock: Add bindings for TI DA8XX USB PHY clocks

On 01/18/2018 06:10 AM, Sekhar Nori wrote: On Monday 08 January 2018 07:47 AM, David Lechner wrote: This adds a new binding for TI DA8XX USB PHY clocks. These clocks are part of a syscon register called CFGCHIP3. CFGCHIP2 Signed-off-by: David Lechner +Examples: +

Re: [PATCH] input: remove at32psif

On Thu, Jan 18, 2018 at 07:58:11PM +0100, Corentin Labbe wrote: > Since AVR32 arch is gone, at32psif driver is useless. > This patch remove it. > > Signed-off-by: Corentin Labbe Applied, thank you. What about: config TOUCHSCREEN_WM97XX_ATMEL tristate "WM97xx

Re: [v8,02/12] objtool: Allow alternatives to be ignored

On Thu, Jan 18, 2018 at 11:09:31AM -0800, Guenter Roeck wrote: > Hi folks, > > On Thu, Jan 11, 2018 at 09:46:24PM +, Woodhouse, David wrote: > > Getting objtool to understand retpolines is going to be a bit of a > > challenge. For now, take advantage of the fact that retpolines are > >

Re: Missing watchdog after ACPI watchdog creation failure

On Thursday, January 18, 2018 12:26:37 PM CET Mika Westerberg wrote: > On Thu, Jan 18, 2018 at 12:20:32PM +0200, Mika Westerberg wrote: > > On Wed, Jan 17, 2018 at 12:53:41PM +0100, Takashi Iwai wrote: > > > Unfortunately we couldn't get approval yet, since it's a prototype > > > machine. > > > >

[PATCH 06/10] kill dev_ifname32()

From: Al Viro same story... Signed-off-by: Al Viro --- net/socket.c | 22 +- 1 file changed, 1 insertion(+), 21 deletions(-) diff --git a/net/socket.c b/net/socket.c index b267d051b50d..6d29ebce93dd 100644 ---

[PATCH 08/10] ipconfig: use dev_set_mtu()

From: Al Viro Signed-off-by: Al Viro --- net/ipv4/ipconfig.c | 17 +++-- 1 file changed, 3 insertions(+), 14 deletions(-) diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c index 5f396afaa08d..f75802ad960f 100644 ---

[PATCH 05/10] kill bond_ioctl()

From: Al Viro another sock_do_ioctl() equivalent Signed-off-by: Al Viro --- net/socket.c | 36 1 file changed, 4 insertions(+), 32 deletions(-) diff --git a/net/socket.c b/net/socket.c index

Re: [PATCH] MIPS: use generic GCC library routines from lib/

On Wed, 17 Jan 2018 17:34:59 -0800 (PST) Palmer Dabbelt wrote: > Ah, thanks for reminding me -- I'd originally posted a patch set that > converted > every other port to use these routines, but I ended up dropping all those. > Here's my original MIPS attempt > >

Re: [PATCH] input: remove at32psif

On Thu, Jan 18, 2018 at 08:48:24PM +0100, Corentin Labbe wrote: > On Thu, Jan 18, 2018 at 11:20:17AM -0800, Dmitry Torokhov wrote: > > On Thu, Jan 18, 2018 at 07:58:11PM +0100, Corentin Labbe wrote: > > > Since AVR32 arch is gone, at32psif driver is useless. > > > This patch remove it. > > > > >

[PATCH] auxdisplay: img-ascii-lcd: fix typo on select SYSCON/MFD_SYSCON

img-ascii-lcd select un-existing SYSCON kconfig name. This patch fix this error by using the correct MFD_SYSCON kconfig name. Signed-off-by: Corentin Labbe --- drivers/auxdisplay/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git

[PATCH net-next 0/1] rtnetlink: request RTM_GETLINK by pid or fd

Hey everyone, This makes it possible to identify the target network namespace of a RTM_GETLINK message by pid or fd. Often userspace tools that make heavy use of network namespaces need a simple and cheap way of querying network devices and network device properties. This becomes even more

Re: [PATCH] MIPS: use generic GCC library routines from lib/

On Wed, Jan 17, 2018 at 04:34:18PM +0300, Antony Pavlov wrote: > On Wed, 17 Jan 2018 09:03:48 + > Matt Redfearn wrote: > > > Hi, > > > > On Wed, Jan 17, 2018 at 09:51:21AM +0300, Antony Pavlov wrote: > > > The commit b35cd9884fa5 ("lib: Add shared copies of > > >

Re: [RFC][PATCH] get rid of the use of set_fs() (by way of kernel_recvmsg()) in sunrpc

On Thu, Jan 18, 2018 at 07:31:56PM +, Al Viro wrote: > * SO_RCVTIMEO/SO_SNDTIMEO handling in compat [sg]etsockopt() > * passing SIOC{ADD,DEL}TUNNEL down (ipmr_del_tunnel(),ipmr_new_tunnel(), > addrconf_set_dstaddr()) > * SIOCGSTAMP/SIOCGSTAMPNS in compat ioctls > * SIOCADDRT/SIOCDELRT in

Re: [RFC PATCH] blk-mq: fixup RESTART when queue becomes idle

On Thu, Jan 18 2018 at 3:11pm -0500, Jens Axboe wrote: > On 1/18/18 11:47 AM, Bart Van Assche wrote: > >> This is all very tiresome. > > > > Yes, this is tiresome. It is very annoying to me that others keep > > introducing so many regressions in such important parts of the

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