On Fri, Sep 29, 2017 at 01:44:56PM +0200, Paolo Bonzini wrote:
> On 29/09/2017 12:34, Peter Zijlstra wrote:
> > On Fri, Sep 29, 2017 at 12:01:24PM +0200, Paolo Bonzini wrote:
> >>> Does this mean whenever we get a page fault in a RCU read-side critical
> >>> section, we may hit this?
> >>>
> >>> Co
On Fri, Sep 29, 2017 at 11:24:19AM -0500, Tom Lendacky wrote:
> Some routines in mem_encrypt.c are called very early in the boot process,
> e.g. sme_encrypt_kernel(). When CONFIG_TRACE_BRANCH_PROFILING is defined
> the resulting branch profiling associated with the check to see if SME is
> active r
On Fri, Sep 29, 2017 at 10:18:25AM +0200, Paolo Bonzini wrote:
> On 28/09/2017 23:35, Marcelo Tosatti wrote:
> > On Thu, Sep 28, 2017 at 09:22:02AM +0200, Paolo Bonzini wrote:
> >> On 28/09/2017 02:44, Marcelo Tosatti wrote:
> Again: if you have many interruptions, it's not a flaw in KVM or QE
On 29/09/2017 17:47, Lai Jiangshan wrote:
> Hello, all
>
> An interesting (at least to me) thinking came up to me when I found
> that the lguest was removed. But I don't have enough knowledge
> to find out the answer nor energy to implement it in some time.
>
> Is it possible to implement kvm-pv
On Fri, Sep 29, 2017 at 04:26:10PM +0100, Morten Rasmussen wrote:
> On Fri, Sep 01, 2017 at 03:21:03PM +0200, Peter Zijlstra wrote:
> > +/*
> > + * sched_entity:
> > + *
> > + * load_sum := runnable_sum
> > + * load_avg = se_weight(se) * runnable_avg
> > + *
> > + * cfq_rs:
>
> I think this sh
On Fri, Sep 29, 2017 at 09:29:39AM -0700, Paul E. McKenney wrote:
> On Fri, Sep 29, 2017 at 10:08:43AM +0100, Will Deacon wrote:
> > On Thu, Sep 28, 2017 at 05:58:30PM -0700, Paul E. McKenney wrote:
> > > On Fri, Sep 29, 2017 at 07:59:09AM +1300, Michael Cree wrote:
> > > > On Thu, Sep 28, 2017 at
On Fri, Sep 29, 2017 at 10:08:43AM +0100, Will Deacon wrote:
> On Thu, Sep 28, 2017 at 05:58:30PM -0700, Paul E. McKenney wrote:
> > On Fri, Sep 29, 2017 at 07:59:09AM +1300, Michael Cree wrote:
> > > On Thu, Sep 28, 2017 at 08:43:54AM -0700, Paul E. McKenney wrote:
> > > > On Thu, Sep 28, 2017 at
Some routines in mem_encrypt.c are called very early in the boot process,
e.g. sme_encrypt_kernel(). When CONFIG_TRACE_BRANCH_PROFILING is defined
the resulting branch profiling associated with the check to see if SME is
active results in a kernel crash. Disable branch profiling for
mem_encrypt.c b
On Fri, Sep 29, 2017 at 08:19:22AM -0700, Mike Travis wrote:
> > So I would still like to get clarification on how ART works (or likely
> > doesn't) on your systems. I think for now its fairly prudent to kill
> > detect_art() on UV.
>
> I tested with both detect_art enabled and disabled and didn't
The Platform Security Processor (PSP) is part of AMD Secure Processor
(AMD-SP), PSP is a dedicated processor that provides the support for
key management commands in a Secure Encrypted Virtualization (SEV) mode,
along with software-based Trusted Execution Environment (TEE) to enable
the third-party
On Thu, Sep 28, 2017 at 04:51:46PM -0700, Govindarajulu Varadarajan wrote:
> On Thu, 28 Sep 2017, Peter Zijlstra wrote:
>
> >On Wed, Sep 27, 2017 at 02:42:20PM -0700, Govindarajulu Varadarajan wrote:
> >>Make MAX_LOCK_DEPTH configurable. It is set to 48 right now. Number of
> >>VFs under a PCI pf
On Fri, Sep 29, 2017 at 01:34:13PM +0300, Volodymyr Babchuk wrote:
>
>
> On 29.09.17 03:23, Yury Norov wrote:
> > On Thu, Sep 28, 2017 at 09:04:03PM +0300, Volodymyr Babchuk wrote:
> > > From: Volodymyr Babchuk
> > >
> > > These functions will be used to pass information about shared
> > > buff
On Fri, 2017-09-29 at 23:10 +0800, Wei Hu (Xavier) wrote:
> This patch-set introduces some bug fixes and code improvements
> for hip06 and hip08 RoCE driver. It includes a patch for fixing
> the assign algorithm of qp_attr->max_rd_atomic and
> qp_attr->max_dest_rd_atomic, three patches for static c
| From: Harsh Jain
| Sent: Friday, September 29, 2017 1:14:45 AM
|
| Robin,
|
| I tried running patch on our test setup.
|
| With "intel_iommu=on" : I can see single occurrence of DMAR Write failure
| on perf traffic with 10 thread.
|
| [ 749.616480] perf: interrupt took too long (3203 >
* Derald D. Woods [170928 19:05]:
> On Tue, Sep 12, 2017 at 06:48:20PM -0500, Derald D. Woods wrote:
> > This patch set allows TMDSEVM3530(omap3-evm.dts) to boot using common
> > processor module data that is shared with 'omap3-evm-37xx.dts'. A new
> > common file for processor module data is intr
__sanitizer_cov_trace_pc() is a hot code, so it's worth
to remove pointless '!current' check. Current is never NULL.
Signed-off-by: Andrey Ryabinin
Acked-by: Dmitry Vyukov
Acked-by: Mark Rutland
---
Changes since v1:
- Collect acks and drop other patches.
kernel/kcov.c | 2 +-
1 file change
On 09/19/2017 04:47 PM, Dmitry Vyukov wrote:
> On Tue, Sep 19, 2017 at 3:30 PM, Mark Rutland wrote:
>> Hi,
>>
>> On Tue, Sep 19, 2017 at 03:46:46PM +0300, Andrey Ryabinin wrote:
>>> There is no need to surround kaslr_offset() with CONFIG_RANDOMIZE_BASE
>>> ifdef.
>>> kaslr_offset() will just retu
On September 29, 2017 6:59:18 AM PDT, Razvan Stefanescu
wrote:
>
>
>> -Original Message-
>> From: Bogdan Purcareata
>> Sent: Friday, September 29, 2017 16:36
>> To: Razvan Stefanescu ;
>> gre...@linuxfoundation.org
>> Cc: de...@driverdev.osuosl.org; linux-kernel@vger.kernel.org;
>> net...
Similar to __down_write_killable(), and read killable primitive.
Signed-off-by: Kirill Tkhai
---
arch/ia64/include/asm/rwsem.h | 22 +++---
1 file changed, 19 insertions(+), 3 deletions(-)
diff --git a/arch/ia64/include/asm/rwsem.h b/arch/ia64/include/asm/rwsem.h
index 8fa98dd
On Thu, Sep 28, 2017 at 09:00:52PM -0700, Linus Torvalds wrote:
> On Thu, Sep 28, 2017 at 8:32 PM, Kyle Sanderson wrote:
> > Not sure if the stack is crap or not, but this looks like an RCU crash?
> >
> > https://i.imgur.com/sBnNe1p.jpg
>
> Hmm. Not the clearest picture, and the "Code:" line in p
There was mutex_lock_interruptible() initially, and it was changed
to rwsem, but there were not killable rwsem primitives that time.
>From commit 9902af79c01a:
"The main issue is the lack of down_write_killable(), so the places
like readdir.c switched to plain inode_lock(); once killable
Similar to __down_write_killable(), add read killable primitive:
extract current __down_read() code to macros and teach it to get
different functions as slow_path argument:
store ax register to ret, and add sp register and preserve its value.
Add call_rwsem_down_read_failed_killable() assembly ent
Similar to down_read() and down_write_killable(),
add killable version of down_read(), based on
__down_read_killable() function, added in previous
patches.
Signed-off-by: Kirill Tkhai
---
include/asm-generic/rwsem.h |8
include/linux/rwsem.h |1 +
kernel/locking/rwsem.c
Hi,
this is resending of the series, I previously sent. There are no changes
in separate patches except of [4/6], which is rebased on recent tip.git.
Two patches from the previous sending are already applied by Peter,
so they are not in this series. They are:
83ced169d9a0 "locking/rwsem-xadd: Add
Similar to __down_write_killable(), and read killable primitive.
Signed-off-by: Kirill Tkhai
---
arch/alpha/include/asm/rwsem.h | 18 --
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/arch/alpha/include/asm/rwsem.h b/arch/alpha/include/asm/rwsem.h
index 77873d0a
Similar to __down_write_killable(), and read killable primitive.
Signed-off-by: Kirill Tkhai
---
arch/s390/include/asm/rwsem.h | 18 --
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/arch/s390/include/asm/rwsem.h b/arch/s390/include/asm/rwsem.h
index 597e7e96b59
On Fri, 2017-09-29 at 23:10 +0800, Wei Hu (Xavier) wrote:
> From: Lijun Ou
>
> When only set IB_QP_DEST_QPN flag for attr_mask, the operation of
> assigning the dest_qp_num for dest_qp field of qp context is valid.
This commit message reads poorly. I reworded it.
--
Doug Ledford
GPG KeyI
From: Thor Thayer
Allow ARM64 support for the Cadence QSPI interface by
adding ARM64 as a dependency.
Signed-off-by: Thor Thayer
---
drivers/mtd/spi-nor/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mtd/spi-nor/Kconfig b/drivers/mtd/spi-nor/Kconfig
index 6
Hi Ingo,
Please consider pulling,
- Arnaldo
Test results at the end of this message, as usual.
The following changes since commit b130a699c07155a1d6ef7d971a5f3bf0e3818d5a:
Merge tag 'perf-urgent-for-mingo-4.14-20170912' of
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux int
From: Arnaldo Carvalho de Melo
Yet another fix for probing the max attr.precise_ip setting: it is not
enough settting attr.exclude_kernel for !root users, as they _can_
profile the kernel if the kernel.perf_event_paranoid sysctl is set to
-1, so check that as well.
Testing it:
As non root:
$
From: Mengting Zhang
With --call-graph option, perf report can display call chains using
type, min percent threshold, optional print limit and order. And the
default call-graph parameter is 'graph,0.5,caller,function,percent'.
Before this patch, 'perf report --call-graph' shows incorrect debug
m
From: Ingo Molnar
Time for a sync with ABI/uapi headers with the upcoming v4.14 kernel.
None of the ABI changes require any source code level changes to our
existing in-kernel tooling code:
- tools/arch/s390/include/uapi/asm/kvm.h:
New KVM_S390_VM_TOD_EXT ABI, not used by in-kernel too
From: Thomas Richter
On s390x perf test 1 failed. It turned out that commit 4a084ecfc821
("perf report: Fix module symbol adjustment for s390x") was incorrect.
The previous implementation in dso__load_sym() is also suitable for
s390x.
Therefore this patch undoes commit 4a084ecfc821.
Signed-off-
From: Akemi Yagi
The build of kernel v4.14-rc1 for i686 fails on RHEL 6 with the error
in tools/perf:
util/syscalltbl.c:157: error: expected ';', ',' or ')' before '__maybe_unused'
mv: cannot stat `util/.syscalltbl.o.tmp': No such file or directory
Fix it by placing/moving:
#include
From: Thomas Richter
On s390x perf test 1 failed. It turned out that commit cf6383f73cf2
("perf report: Fix kernel symbol adjustment for s390x") was incorrect.
The previous implementation in dso__load_sym() is also suitable for
s390x.
Therefore this patch undoes commit cf6383f73cf2
Signed-off-
From: Arnaldo Carvalho de Melo
Now that I'm switching the container builds from using a local volume
pointing to the kernel repository with the perf sources, instead getting
a detached tarball to be able to use a container cluster, some places
broke because I forgot to put some of the required fi
On Thu, Sep 28, 2017 at 05:37:19PM -0500, Bjorn Helgaas wrote:
> On Thu, Sep 28, 2017 at 12:37:07PM +0100, Lorenzo Pieralisi wrote:
> > Through struct pci_host_bridge->{map/swizzle}_irq() hooks is now
> > possible to define IRQ mapping functions on a per PCI host bridge basis.
> >
> > Actual IRQ a
On Fri, Sep 29, 2017 at 11:23:35AM +0200, Vlastimil Babka wrote:
> The save_stack_trace() and save_stack_trace_tsk() wrappers of
> __save_stack_trace() add themselves to the call stack, and thus appear in the
> recorded stacktraces. This is redundant and wasteful when we have limited
> space
> to
On Fri, Sep 29, 2017 at 10:54:39AM -0500, Brijesh Singh wrote:
> In production, you do not want to run encrypted guest on an unencrypted
> hypervisor -- I was thinking about the debug environment. We can start
> with mem_encrypt=sme and if we see the need for 'sev' arg then we can
> extend it later
On 09/29/2017 09:41 AM, Borislav Petkov wrote:
On Fri, Sep 29, 2017 at 07:28:47AM -0500, Brijesh Singh wrote:
if we are adding a chicken bits then I think we should do it for both
"smeonly" and "sevonly". We can boot host OS with SME disabled and SEV
enabled, and still be able to create the SE
On Fri, 2017-09-29 at 23:10 +0800, Wei Hu (Xavier) wrote:
> When lp_qp_work is NULL, it should be returned ENOMEM. This patch
> mainly adds the error checking branch, modifies the return value of
> the function named hns_roce_v1_set_mac that calling
> hns_roce_v1_recreate_lp_qp.
>
> Ihis patch fix
Hello, all
An interesting (at least to me) thinking came up to me when I found
that the lguest was removed. But I don't have enough knowledge
to find out the answer nor energy to implement it in some time.
Is it possible to implement kvm-pv which allows kvm to run on
the boxes without hardware vi
On Fri, 29 Sep 2017 19:56:41 +0530, Pintu Kumar said:
> 1) If you have pointers on how to setup ssh/net connection on QEMU
> with busybox, do let me know.
Busybox doesn't do that as far as I know, as it's intended as a single-user
/sbin/init replacement. You'll need a full-featured userspace with
> From: Andrew Lunn [mailto:and...@lunn.ch]
> Sent: Thursday, September 28, 2017 11:57 AM
>
> It is the MAC which is doing the time stamping, not they PHY?
> So why NETWORK_PHY_TIMESTAMPING?
NETWORK_PHY_TIMESTAMPING implies NET_PTP_CLASSIFY (which I do use) and
net/core/timestamping.c (which I d
On 29.09.17 16:06, Mark Rutland wrote:
On Thu, Sep 28, 2017 at 09:04:04PM +0300, Volodymyr Babchuk wrote:
From: Volodymyr Babchuk
This change adds ops for shm_(un)register functions in tee interface.
Client application can use these functions to (un)register an own shared
buffer in OP-TEE ad
On Fri, Sep 29, 2017 at 05:15:36PM +0300, Andrey Ryabinin wrote:
> Currently we use current_stack_pointer() function to get the value
> of the stack pointer register. Since commit f5caf621ee35
> ("x86/asm: Fix inline asm call constraints for Clang") we have stack
> register variable declared. It ca
> From: Andrew Lunn [mailto:and...@lunn.ch]
> Sent: Thursday, September 28, 2017 12:36 PM
>
> I assume ptp already has the core code to use pinctrl and Linux
> standard GPIOs? What does the device tree binding look like? How do
> you specify the GPIOs to use?
>
> What we want to avoid is defining
Good news everyone,
the Linux Test Project test suite stable release for *September 2017* has been
released.
Since the last release 290 patches by 39 authors were merged.
Notable changes for this release include:
-
* New tests for:
- copy_file_range()
Hi Mario,
[auto build test ERROR on platform-drivers-x86/for-next]
[also build test ERROR on v4.14-rc2 next-20170929]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
https://github.com/0day-ci/linux/commits/Mario-Limonciello/Introduce
> From: Florian Fainelli [mailto:f.faine...@gmail.com]
> Sent: Thursday, September 28, 2017 12:40 PM
>
> Can we also have a fast-path bypass in case time stamping is not
> supported by the switch so we don't have to even try to classify this
> packet only to realize we don't have a port_rxtsamp() o
> From: Andrew Lunn [mailto:and...@lunn.ch]
> Sent: Thursday, September 28, 2017 1:01 PM
>
> > With the write and read acquiring and then releasing the lock
> > immediately, is no there room for this sequence to be interrupted in the
> > middle and end-up returning inconsistent reads?
>
> The gene
On Fri, Sep 29, 2017 at 12:51 AM, Ingo Molnar wrote:
>
> * Linus Torvalds wrote:
>
>> On Thu, Sep 28, 2017 at 2:58 PM, Josh Poimboeuf wrote:
>> The kernel test robot report looked to be ignored as a "gcc-4.4 is too
>> old to worry about" thing. [...]
>
> No, and sorry if my first reply grumbling
On Fri, 2017-09-29 at 14:52 +0100, Colin King wrote:
> From: Colin Ian King
>
> Variable j is being assigned to loop_j and then later being
> assigned to a new value in for loops. The first initialization
> is therefore redundant and can be removed.
>
> Cleans up clang warning:
> warning: Value
Hi Andrew,
On 28/09/2017 22:38, Andrew Morton wrote:
On Thu, 28 Sep 2017 14:29:02 +0200 Laurent Dufour
wrote:
Laurent's [0/n] provides some nice-looking performance benefits for
workloads which are chosen to show performance benefits(!) but, alas,
no quantitative testing results for workload
On Fri, 2017-09-29 at 14:16 +0100, Colin King wrote:
> From: Colin Ian King
>
> The functions hns_roce_table_mhop_get, hns_roce_table_mhop_put,
> hns_roce_cleanup_mhop_hem_table, hns_roce_v1_post_mbox,
> hns_roce_cmq_setup_basic_desc, hns_roce_cmq_send,
> hns_roce_cmq_query_hw_info are all local
On Fri, Sep 01, 2017 at 03:21:03PM +0200, Peter Zijlstra wrote:
> +/*
> + * sched_entity:
> + *
> + * load_sum := runnable_sum
> + * load_avg = se_weight(se) * runnable_avg
> + *
> + * cfq_rs:
I think this should be "cfs_rq" instead.
> + *
> + * load_sum = \Sum se_weight(se) * se->avg.load_
Hi Srishti,
On Fri, Sep 29, 2017 at 03:30:40PM +0530, Srishti Sharma wrote:
> Replace drm_dev_unref with drm_dev_put as it is more consistent
> with kernel coding style. Done using the following semantic
> patch by coccinelle.
Thanks for the patch!
Acked-by: Liviu Dudau
I'm going to pull this
On Fri, 29 Sep 2017 12:22:42 +0200
"Jason A. Donenfeld" wrote:
> Hi guys,
>
> One handy aspect of Netlink is that it's backwards compatible. This
> means that you can run old userspace utilities on new kernels, even if
> the new kernel supports new features and netlink attributes. The wire
> for
Linus,
Please git pull the following tag:
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git
for-linus-4.14c-rc3-tag
xen: fixes for 4.14-rc3
It contains 3 fixes:
- avoid a warning when compiling with clang
- consider read-only bits in xen-pciback when writing to a BAR
- fix a boot cra
On Sun, 2017-09-24 at 17:21 +0530, Himanshu Jha wrote:
> Use setup_timer and mod_timer API instead of structure assignments.
>
> This is done using Coccinelle and semantic patch used
> for this as follows:
>
> @@
> expression x,y,z,a,b;
> @@
>
> -init_timer (&x);
> +setup_timer (&x, y, z);
> +mo
Hi Joe,
[auto build test ERROR on linus/master]
[also build test ERROR on v4.14-rc2 next-20170929]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
https://github.com/0day-ci/linux/commits/Joe-Lawrence/A-few-round_pipe_size-and-pipe-max
On Fri, Sep 29, 2017 at 5:11 PM, Pali Rohár wrote:
> Yes, that would fix problem for you and break other machines...
I dunno what happened to you guys to use top-posting...
>> FYI, latest update and info relating to
>> https://bugzilla.kernel.org/show_bug.cgi?id=196913
Quick solution is to appl
On 9/29/2017 1:46 AM, Peter Zijlstra wrote:
On Thu, Sep 28, 2017 at 01:03:39PM -0500, mike.tra...@hpe.com wrote:
The UV BIOS goes to considerable effort to get the TSC synchronization
accurate across the entire system. Included in that are multiple chassis
that can have 32+ sockets. The arc
On 29.09.17 13:53, Mark Rutland wrote:
On Thu, Sep 28, 2017 at 09:03:59PM +0300, Volodymyr Babchuk wrote:
+static int
+tee_ioctl_shm_register(struct tee_context *ctx,
+ struct tee_ioctl_shm_register_data __user *udata)
+{
+ long ret;
+ struct tee_ioctl_shm_regi
Linus,
The following changes since commit 5753743fa5108b8f98bd61e40dc63f641b26c768:
KVM: VMX: remove WARN_ON_ONCE in kvm_vcpu_trigger_posted_interrupt
(2017-09-19 15:09:16 +0200)
are available in the git repository at:
git://git.kernel.org/pub/scm/virt/kvm/kvm.git tags/for-linus
for you t
> From: Andrew Lunn [mailto:and...@lunn.ch]
> Sent: Thursday, September 28, 2017 12:03 PM
>
> > + bool timeout = time_is_before_jiffies(chip->last_overflow_check +
> > + MV88E6XXX_TAI_OVERFLOW_PERIOD);
> > +
> > + if (timeout) {
>
> Why do you need this
If hugepage_migration_supported() returns true, this renders the
hugepages_treat_as_movable sysctl completely pointless.
Let's keep this behavior optional by switching the if() condition
from || to &&.
Signed-off-by: Alexandru Moise <00moses.alexande...@gmail.com>
---
mm/hugetlb.c | 2 +-
1 file
On Tue, Sep 19, 2017 at 03:46:03PM -0500, Brijesh Singh wrote:
> Platform Security Processor (PSP) is part of AMD Secure Processor (AMD-SP),
The Platform...
> PSP is a dedicated processor that provides the support for key management
> commands in a Secure Encrypted Virtualiztion (SEV) mode, along
Regenerate the default configuration on top of v4.14-rc1.
Signed-off-by: Alexandre Torgue
diff --git a/arch/arm/configs/stm32_defconfig b/arch/arm/configs/stm32_defconfig
index 90e5c46..3ed3158 100644
--- a/arch/arm/configs/stm32_defconfig
+++ b/arch/arm/configs/stm32_defconfig
@@ -18,7 +18,6 @@
On Mon, Sep 25, 2017 at 09:00:17AM -0700, Tejun Heo wrote:
> These are two patches to implement the cgroup2 CPU controller
> interface. Changes from the last revision[L].
Peter, Ping.
Thanks.
--
tejun
Hi,
we've collected a bunch of isolated fixes, for crashes, user-visible behaviour
or missing bits from other subsystem cleanups from the past. The overall
number is not small but I was not able to make it significantly smaller. Most
of the patches are supposed to go to stable. There are no merge
Hi Benjamin,
and many thanks for this cleanup patchset.
Reviewed-by: Philippe Cornu
Tested-by: Philippe Cornu
Philippe :-)
On 09/29/2017 02:59 PM, Benjamin Gaignard wrote:
> The goal of this series is to simplify driver code when they need to clean up
> a previously allocated panel bridge.
> F
Hi, Pasha
At 09/28/2017 09:11 PM, Pasha Tatashin wrote:
It will be best if we can support TSC sync capability in x86, but seems
is not easy.
Sure, your hardware achieving sync would be best, but even if it does
not, we can still use TSC. Using notsc simple because you fail to sync
TSCs is quit
-support-for-Dell-SMBIOS-over-WMI/20170929-221513
base: git://git.infradead.org/users/dvhart/linux-platform-drivers-x86.git
for-next
config: i386-randconfig-x013-201739 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux
On 29/09/17 14:41, Timo Alho wrote:> On 21.09.2017 14:10, Jonathan
Hunter wrote:
>>> --- a/drivers/firmware/tegra/bpmp.c
>>> +++ b/drivers/firmware/tegra/bpmp.c
>>> @@ -824,6 +824,8 @@ static int tegra_bpmp_probe(struct
>>> platform_device *pdev)
>>> if (err < 0)
>>> goto free_mrq;
On 29/09/17 14:46, Timo Alho wrote:
> Hi Jon,
>
> On 21.09.2017 14:21, Jonathan Hunter wrote:
>>
>>
>> On 07/09/17 10:31, Timo Alho wrote:
>>> Check return code in BPMP response message(s). The typical error case
>>> is when clock operation is attempted with invalid clock identifier.
>>>
>>> Also
On Fri, Sep 29, 2017 at 04:55:54PM +0300, Kirill A. Shutemov wrote:
> On Wed, Sep 13, 2017 at 12:10:47PM +0200, Alexandru Moise wrote:
> > since 94310cb we've been able to soft offline 1G hugepages at the PGD
> > level, however x86_64 gigantic hugepages are at the PUD level so we
> > should add an
There is no need to have a local return code set with -EINVAL when both the
conditions following it return error codes appropriately. Just remove the
redundant one.
Signed-off-by: Anshuman Khandual
---
fs/hugetlbfs/inode.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/fs/hugetlbfs/inode.c b
/Introduce-support-for-Dell-SMBIOS-over-WMI/20170929-221513
base: git://git.infradead.org/users/dvhart/linux-platform-drivers-x86.git
for-next
config: x86_64-randconfig-x001-201739 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to
On 29/09/2017 13:01, Boqun Feng wrote:
> Sasha Levin reported a WARNING:
>
> | WARNING: CPU: 0 PID: 6974 at kernel/rcu/tree_plugin.h:329
> | rcu_preempt_note_context_switch kernel/rcu/tree_plugin.h:329 [inline]
> | WARNING: CPU: 0 PID: 6974 at kernel/rcu/tree_plugin.h:329
> | rcu_note_context_swit
2017-09-29 15:15 GMT+02:00 Lars-Peter Clausen :
> On 09/28/2017 12:56 PM, Bartosz Golaszewski wrote:
>> Switch to using the recently added interrupt simulator for dummy irqs.
>>
>> Signed-off-by: Bartosz Golaszewski
>
> Reviewed-by: Lars-Peter Clausen
> Tested-by: Lars-Peter Clausen
>
> I've bac
From: Kan Liang
Add comm_str_lock to protect comm_str rb tree.
The lock is only needed for multithreaded code, so using mutex wrappers
provided by perf tool.
Signed-off-by: Kan Liang
---
tools/perf/util/comm.c | 18 +-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --gi
From: Kan Liang
Add two locks to protect namespaces_list and comm_list.
The lock is only needed for multithreaded code, so using mutex wrappers
provided by perf tool.
Not all the comm_list/namespaces_list accessing are protected, e.g.
thread__exec_comm. Because the multithread code for perf top
From: Kan Liang
The proc files which is sorted with alphabetical order are evenly
assigned to several synthesize threads to be processed in parallel.
For perf top, the threads number hard code to online CPU number. The
following patch will introduce an option to set it.
For other perf tools, the
From: Kan Liang
perf_top__mmap_read has severe performance issue in
Knights Landing/Mill, when monitoring in heavy load system. It costs
several minutes to finish, which is unacceptable.
perf top was overwrite mode. But it is changed to non overwrite mode
since commit 93fc64f14472 ("perf top: Sw
From: Kan Liang
Using UINT_MAX to indicate the default thread#, which is the max number
of online CPU.
Signed-off-by: Kan Liang
---
tools/perf/Documentation/perf-top.txt | 3 +++
tools/perf/builtin-top.c | 11 ---
tools/perf/util/event.c | 5 -
tools/pe
From: Kan Liang
The patch series intends to fix the severe performance issue in
Knights Landing/Mill, when monitoring in heavy load system.
perf top costs a few minutes to show the result, which is
unacceptable.
With the patch series applied, the latency will reduces to
several seconds.
machine_
From: Kan Liang
The latency of perf_top__mmap_read should be lower than refresh time.
If not, give some hints to reduce the overhead.
Signed-off-by: Kan Liang
---
tools/perf/builtin-top.c | 9 +
1 file changed, 9 insertions(+)
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin
On Thu, Sep 28, 2017 at 11:11 PM, Michael Ellerman wrote:
> Dan Williams writes:
>
>> In support of allowing device-mapper to compile out idle/dead code when
>> there are no dax providers in the system, introduce the DAX_DRIVER
>> symbol. This is selected by all leaf drivers that device-mapper mi
On Fri, 29 Sep 2017 09:37:55 +0200
Ingo Molnar wrote:
>
> * Masami Hiramatsu wrote:
>
> > On Thu, 28 Sep 2017 09:22:20 +0200
> > Ingo Molnar wrote:
> >
> > >
> > > * Masami Hiramatsu wrote:
> > >
> > > > To enable jump optimized probe with CONFIG_PREEMPT, use
> > > > synchronize_rcu_tasks
From: Lijun Ou
It replaces usleep_range with udelay to avoid using usleep_range function
in spin_lock_bh spin region, because it probably cause calltrace.
BUG: scheduling while atomic: insmod/1428/0x0002
Modules linked in: hns-roce-hw-v2(+) hns_roce rdma_ucm rdma_cm iw_cm ib_uverbs
ib_cm ib
From: Lijun Ou
The value of max_rd_atomic and max_dest_rd_atomic in query_qp
are incorrect. It should be assigned by left shifting of
the bit in hip06 SoC.
Signed-off-by: Lijun Ou
Signed-off-by: Wei Hu (Xavier)
---
drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 4 ++--
1 file changed, 2 inserti
From: Lijun Ou
When querying qp, It needs to return RoCE device ah_attr type
that may be specific to RoCE devices.
Signed-off-by: Lijun Ou
Signed-off-by: Wei Hu (Xavier)
Signed-off-by: Shaobo Xu
---
drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 2 ++
drivers/infiniband/hw/hns/hns_roce_hw_v2.c
On Fri, Sep 29, 2017 at 10:59:26AM +0530, Abhishek Shah wrote:
> Currently, NVMe PCI host driver is programming CMB dma address as
> I/O SQs addresses. This results in failures on systems where 1:1
> outbound mapping is not used (example Broadcom iProc SOCs) because
> CMB BAR will be progammed with
From: Lijun Ou
When the driver doesn't call register_inetaddr_notifier function, it need
not call unregister_inetaddr_notifier to unregister inet addr. This patch
fixes it.
Signed-off-by: Lijun Ou
Signed-off-by: Wei Hu (Xavier)
Signed-off-by: Shaobo Xu
---
drivers/infiniband/hw/hns/hns_roce_
After the loop in hns_roce_v1_mr_free_work_fn function, it is possible that
the local variable named hr_qp is NULL, the operation "hr_qp->qpn" will
result in the exception. As a result, we add return statement when checking
error.
This patch fixes the smatch error as below:
drivers/infiniband/hw/h
From: Lijun Ou
When only set IB_QP_DEST_QPN flag for attr_mask, the operation of
assigning the dest_qp_num for dest_qp field of qp context is valid.
Signed-off-by: Lijun Ou
Signed-off-by: Wei Hu (Xavier)
Signed-off-by: Shaobo Xu
---
drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 9 +
1
When lp_qp_work is NULL, it should be returned ENOMEM. This patch
mainly adds the error checking branch, modifies the return value of
the function named hns_roce_v1_set_mac that calling
hns_roce_v1_recreate_lp_qp.
Ihis patch fixes the smatch error as below:
drivers/infiniband/hw/hns/hns_roce_hw_v1
From: Lijun Ou
It mainly places the lines for checking send doorbell status
into a special functions. As a result, we can directly call it in
check_qp_db_process_status function and keep consistent indenting
style.
It fixes the warning from static checker:
drivers/infiniband/hw/hns/hns_roce_hw_v
On Fri, Sep 29, 2017 at 07:28:47AM -0500, Brijesh Singh wrote:
> if we are adding a chicken bits then I think we should do it for both
> "smeonly" and "sevonly". We can boot host OS with SME disabled and SEV
> enabled, and still be able to create the SEV guest from the hypervisor.
Sure, but is tha
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