Christophe Leroy writes:
> Le 08/07/2019 à 02:56, Michael Ellerman a écrit :
>> Christophe Leroy writes:
>>> To increase readability/maintainability, replace hard coded
>>> instructions values by symbolic names.
>>>
>>> Signed-off-by: Christophe Leroy
>>> ---
>>> v3: fixed warning by adding () i
On Thu 11-07-19 23:25:44, Hoan Tran OS wrote:
> In NUMA layout which nodes have memory ranges that span across other nodes,
> the mm driver can detect the memory node id incorrectly.
>
> For example, with layout below
> Node 0 address:
> Node 1 address:
>
>
Hi Gregory,
On 7/11/19 4:31 PM, Gregory CLEMENT wrote:
> The VFIO reset hook is called every time a platform device is passed
> to a guest or removed from a guest.
>
> When the XHCI device is unbound from the host, the host driver
> disables the XHCI clocks/phys/regulators so when the device is p
Currently, the cpuidle governors determine what idle state a idling CPU
should enter into based on heuristics that depend on the idle history on
that CPU. Given that no predictive heuristic is perfect, there are cases
where the governor predicts a shallow idle state, hoping that the CPU will
be bus
To force wakeup a cpu, we need to compute the timeout in the fast idle
path as a state may be enabled or disabled but there did not exist a
feedback to driver when a state is enabled or disabled.
This patch adds a callback whenever a state_usage records a store for
disable attribute.
Signed-off-by
Currently, the cpuidle governors determine what idle state a idling CPU
should enter into based on heuristics that depend on the idle history on
that CPU. Given that no predictive heuristic is perfect, there are cases
where the governor predicts a shallow idle state, hoping that the CPU will
be bus
The disable callback can be used to compute timeout for other states
whenever a state is enabled or disabled. We store the computed timeout
in "timeout" defined in cpuidle state strucure. So, we compute timeout
only when some state is enabled or disabled and not every time in the
fast idle path.
We
On Fri, 12 Jul 2019, Ming Lei wrote:
> On Thu, Jul 11, 2019 at 11:36:56PM -0700, Sultan Alsawaf wrote:
> > From: Sultan Alsawaf
> >
> > Typically, drivers allocate sg lists of sizes up to a few MiB in size.
> > The current algorithm deals with large sg lists by splitting them into
> > several sma
From: Wanpeng Li
Inspired by commit 9cac38dd5d (KVM/s390: Set preempted flag during vcpu wakeup
and interrupt delivery), except the lock holder, we want to also boost vCPUs
that are delivering interrupts. Actually most smp_call_function_many calls are
synchronous ipi calls, the ipi target vCPU
On Fri 05-07-19 20:45:05, Kuo-Hsin Yang wrote:
> With 4 processes accessing non-overlapping parts of a large file, 30316
> pages swapped out with this patch, 5152 pages swapped out without this
> patch. The swapout number is small comparing to pgpgin.
which is 5 times more swapout. This may be see
Honestly I think this code should go away without any replacement.
There is no reason why we should have a special debug printk just
for one specific reason why there is a requirement for a large DMA
mask.
From: Wanpeng Li
Inspired by commit 9cac38dd5d (KVM/s390: Set preempted flag during vcpu wakeup
and interrupt delivery), except the lock holder, we want to also boost vCPUs
that are delivering interrupts. Actually most smp_call_function_many calls are
synchronous ipi calls, the ipi target vCPU
Hi Harish,
> WCN399x chips are coex chips, it needs a VS pre shutdown
> command while turning off the BT. So that chip can inform
> BT is OFF to other active clients.
>
> Signed-off-by: Harish Bandi
> ---
> drivers/bluetooth/btqca.c | 21 +
> drivers/bluetooth/btqca.h | 7
From: Anson Huang
added header defines for imx8qm clock
Signed-off-by: Anson Huang
Signed-off-by: Oliver Graute
Reviewed-by: Rob Herring
---
- fixed authorship
include/dt-bindings/clock/imx8qm-clock.h | 851 +++
1 file changed, 851 insertions(+)
create mode 100644 incl
On Fri, Jul 12, 2019 at 09:06:40AM +0200, Thomas Gleixner wrote:
> On Fri, 12 Jul 2019, Ming Lei wrote:
> > vmalloc() may sleep, so it is impossible to be called in atomic context.
>
> Allocations from atomic context should be avoided wherever possible and you
> really have to have a very convinci
On Fri 12-07-19 14:18:28, Minchan Kim wrote:
[...]
> >From 41592f23e876ec21e49dc3c76dc89538e2bb16be Mon Sep 17 00:00:00 2001
> From: Minchan Kim
> Date: Fri, 12 Jul 2019 14:05:36 +0900
> Subject: [PATCH] mm: factor out common parts between MADV_COLD and
> MADV_PAGEOUT
>
> There are many common p
On Fri, Jul 12, 2019 at 05:26:04PM +0800, Zeng Tao wrote:
> The phy framework now allows runtime configurations, but only limited
> to mipi now, and it's not reasonable to introduce user specified
> configurations into the union phy_configure_opts structure. An simple
> way is to replace with a voi
On Mon, 2019-07-08 at 17:06 +0800, Matthias Brugger wrote:
>
> On 21/06/2019 13:32, Matthias Brugger wrote:
> > of_get_next_child() increments the reference count of the returning
> > device_node. Decrement it in the check if we are using the old or the
> > new DTB.
> >
> > Fixes: ba1f1f70c2c0
On Fri, Jul 12, 2019 at 8:41 AM Dmitry Torokhov
wrote:
>
> Hi Atif,
>
> On Wed, Jul 10, 2019 at 04:04:10PM -0700, Atif Niyaz wrote:
> > Currently, evdev stamps time with timestamps acquired in
> > evdev_events. However, this timestamping may not be accurate in terms of
> > measuring when the actua
On Fri, Jul 5, 2019 at 10:27 AM Chris Chiu wrote:
> Per the code before REG_S0S1_PATH_SWITCH setting, the driver has told
> the co-processor the antenna is inverse.
> memset(&h2c, 0, sizeof(struct h2c_cmd));
> h2c.ant_sel_rsv.cmd = H2C_8723B_ANT_SEL_RSV;
> h2c.ant_sel_rsv.a
On Fri, 12 Jul 2019 at 15:15, Wanpeng Li wrote:
>
> From: Wanpeng Li
>
> Inspired by commit 9cac38dd5d (KVM/s390: Set preempted flag during vcpu wakeup
> and interrupt delivery), except the lock holder, we want to also boost vCPUs
> that are delivering interrupts. Actually most smp_call_function_
Use devres to get clocks and drop explicit clock freeing. No
functional change intended.
Signed-off-by: Andrey Smirnov
Cc: Felipe Balbi
Cc: Chris Healy
Cc: Greg Kroah-Hartman
Cc: linux-...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
drivers/usb/dwc3/core.c | 7 ++-
1 file changed
On Tue, Jul 09, 2019 at 09:27:17PM +0200, Arnd Bergmann wrote:
> On Wed, Jul 3, 2019 at 7:58 PM Nathan Chancellor
> wrote:
> > On Wed, Jul 03, 2019 at 10:10:55AM +0200, Arnd Bergmann wrote:
> > > When CONFIG_LOCKDEP is set, every use of DECLARE_WAIT_QUEUE_HEAD_ONSTACK()
> > > produces an annoying
The following changes since commit f2c7c76c5d0a443053e94adb9f0918fa2fb85c3a:
Linux 5.2-rc3 (2019-06-02 13:55:33 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git
tags/driver-core-5.3-rc1
for you to fetch changes up to c33d44
On Fri, Jul 12, 2019 at 09:36:23AM +0200, Greg KH wrote:
> The following changes since commit f2c7c76c5d0a443053e94adb9f0918fa2fb85c3a:
>
> Linux 5.2-rc3 (2019-06-02 13:55:33 -0700)
>
> are available in the Git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-co
From: Wanpeng Li
Add pv ipi tracepoint.
Cc: Paolo Bonzini
Cc: Radim Krčmář
Signed-off-by: Wanpeng Li
---
arch/x86/kvm/lapic.c | 2 ++
arch/x86/kvm/trace.h | 25 +
2 files changed, 27 insertions(+)
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 42da7e
From: Wanpeng Li
Add pv tlb shootdown tracepoint.
Cc: Paolo Bonzini
Cc: Radim Krčmář
Signed-off-by: Wanpeng Li
---
arch/x86/kvm/trace.h | 19 +++
arch/x86/kvm/x86.c | 2 ++
2 files changed, 21 insertions(+)
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index ce
On Fri, Jul 12, 2019 at 09:36:23AM +0200, Greg KH wrote:
> The following changes since commit f2c7c76c5d0a443053e94adb9f0918fa2fb85c3a:
>
> Linux 5.2-rc3 (2019-06-02 13:55:33 -0700)
>
> are available in the Git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-co
On Fri, Jul 12, 2019 at 09:36:23AM +0200, Greg KH wrote:
> The following changes since commit f2c7c76c5d0a443053e94adb9f0918fa2fb85c3a:
>
> Linux 5.2-rc3 (2019-06-02 13:55:33 -0700)
>
> are available in the Git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-co
Sorry for the noise, it looks description is wrong.
This is not a double pop, but xen pv taking the path
with create_gap=0, I'll send a v2.
Zhenzhong
On 2019/7/11 12:47, Zhenzhong Duan wrote:
Commit 7457c0da024b ("x86/alternatives: Add int3_emulate_call()
selftest") reveals a bug in XEN PV in
On 7/11/19 11:33 PM, Thomas Gleixner wrote:
On Thu, 11 Jul 2019, Alexandre Chartre wrote:
+/*
+ * When isolation is active, the address space doesn't necessarily map
+ * the percpu offset value (this_cpu_off) which is used to get pointers
+ * to percpu variables. So functions which can be invo
On Fri, Jul 12, 2019 at 2:49 AM Andrew Morton wrote:
> On Wed, 3 Jul 2019 10:10:55 +0200 Arnd Bergmann wrote:
>
>
> Surely clang is being extraordinarily dumb here?
>
> DECLARE_WAIT_QUEUE_HEAD_ONSTACK() is effectively doing
>
> struct wait_queue_head name = ({ __init_waitqueue_head(&na
On Tue, Jul 09, 2019 at 09:20:03AM +1000, Stephen Rothwell wrote:
> Hi all,
>
> On Thu, 13 Jun 2019 15:53:44 +1000 Stephen Rothwell
> wrote:
> >
> > Today's linux-next merge of the char-misc tree got a conflict in:
> >
> > drivers/misc/vmw_balloon.c
> >
> > between commit:
> >
> > 225afca
On 7/12/19 2:05 AM, Andy Lutomirski wrote:
On Jul 11, 2019, at 8:25 AM, Alexandre Chartre
wrote:
Address space isolation should be aborted if there is an interrupt,
an exception or a context switch. Interrupt/exception handlers and
context switch code need to run with the full kernel addr
On Thu, Jul 11, 2019 at 11:29 PM Arnd Bergmann wrote:
>
> On Thu, Jul 11, 2019 at 11:05 PM 'Jann Horn' via Clang Built Linux
> wrote:
> > I was playing around with building the kernel with LLVM a few months
> > ago and used this local patch, but didn't get around to submitting
> > upstream becaus
On Fri, Jul 12, 2019 at 11:10:08AM +0800, 王贇 wrote:
> On 2019/7/11 下午10:27, Peter Zijlstra wrote:
> >> Thus we introduce the numa cling, which try to prevent tasks leaving
> >> the preferred node on wakeup fast path.
> >
> >
> >> @@ -6195,6 +6447,13 @@ static int select_idle_sibling(struct task_
This patch prints the stddev and hist for the cycles diff of
program block. It can help us to understand if the cycles diff
is noisy or not.
This patch is inspired by Andi Kleen's patch
https://lwn.net/Articles/600471/
We create new option '-n or --noisy'.
Example:
perf record -b ./div
perf rec
On Fri, Jul 12, 2019 at 09:45:06AM +0200, Arnd Bergmann wrote:
> On Fri, Jul 12, 2019 at 2:49 AM Andrew Morton
> wrote:
> > On Wed, 3 Jul 2019 10:10:55 +0200 Arnd Bergmann wrote:
>
> >
> >
> > Surely clang is being extraordinarily dumb here?
> >
> > DECLARE_WAIT_QUEUE_HEAD_ONSTACK() is effect
On Fri, Jul 12, 2019 at 11:43:17AM +0800, 王贇 wrote:
>
>
> On 2019/7/11 下午9:47, Peter Zijlstra wrote:
> [snip]
> >> + rcu_read_lock();
> >> + memcg = mem_cgroup_from_task(p);
> >> + if (idx != -1)
> >> + this_cpu_inc(memcg->stat_numa->locality[idx]);
> >
> > I thought cgroups were sup
Hi Linus,
Here is a 9p update for 5.3, just a couple of fixes that have been
sitting here for too long as I missed the 5.2 merge window.
I have two more patches that I didn't have time to test early enough for
this but also are plain details fix, please let me know if you would
prefer having me s
Dominique Martinet wrote on Fri, Jul 12, 2019:
> 9p pull request for inclusion in 5.13
Just noticed this typo in version number here, should I make a new tag
with the correct text?
Sorry,
--
Dominique
On Thu 2019-07-11 16:29:37, Vincent Whitchurch wrote:
> kmsg_dump_get_buffer() is supposed to select all the youngest log
> messages which fit into the provided buffer. It determines the correct
> start index by using msg_print_text() with a NULL buffer to calculate
> the size of each entry. Howe
On 7/12/19 12:38 AM, Dave Hansen wrote:
On 7/11/19 7:25 AM, Alexandre Chartre wrote:
- Kernel code mapped to the ASI page-table has been reduced to:
. the entire kernel (I still need to test with only the kernel text)
. the cpu entry area (because we need the GDT to be mapped)
. the c
The Linux guest page size and hypervisor page size concepts are
different, even though they happen to be the same value on x86. Hyper-V
code mixes up the two, so this patchset begins to address that by
creating and using a set of Hyper-V specific page definitions.
A major benefit of those new defi
On 2019/7/3 19:58, Jan Glauber wrote:
> Hi Alex,
> I've tried this series on arm64 (ThunderX2 with up to SMT=4 and 224 CPUs)
> with the borderline testcase of accessing a single file from all
> threads. With that
> testcase the qspinlock slowpath is the top spot in the kernel.
>
> The results loo
Commit 7457c0da024b ("x86/alternatives: Add int3_emulate_call()
selftest") is used to ensure there is a gap setup in exception stack
which could be used for inserting call return address.
This gap is missed in XEN PV int3 exception entry path, then below panic
triggered:
[0.772876] general pr
Define HV_HYP_PAGE_SHIFT, HV_HYP_PAGE_SIZE, and HV_HYP_PAGE_MASK because
the Linux guest page size and hypervisor page size concepts are
different, even though they happen to be the same value on x86.
Also, replace PAGE_SIZE with HV_HYP_PAGE_SIZE.
Signed-off-by: Maya Nakamura
Reviewed-by: Michae
On Tue, Jul 09, 2019 at 03:19:26PM +0200, Eugen Hristev - M18282 wrote:
> From: Eugen Hristev
>
> Hello,
>
> This series adds support for analog and digital filters for i2c controllers
>
> This series is based on the series:
> [PATCH v2 0/9] i2c: at91: filters support for at91 SoCs
> and enhanc
Introduce two new functions, hv_alloc_hyperv_page() and
hv_free_hyperv_page(), to allocate/deallocate memory with the size and
alignment that Hyper-V expects as a page. Although currently they are
not used, they are ready to be used to allocate/deallocate memory on x86
when their ARM64 counterparts
Replace PAGE_SIZE with HV_HYP_PAGE_SIZE because the guest page size may
not be 4096 on all architectures and Hyper-V always runs with a page
size of 4096.
Signed-off-by: Maya Nakamura
Reviewed-by: Michael Kelley
Reviewed-by: Vitaly Kuznetsov
---
drivers/hv/hyperv_vmbus.h | 8
1 file c
On Thu, Jul 04, 2019 at 08:32:06AM +0800, Huang, Ying wrote:
> Mel Gorman writes:
>
> > On Tue, Jun 25, 2019 at 09:23:22PM +0800, huang ying wrote:
> >> On Mon, Jun 24, 2019 at 10:25 PM Mel Gorman wrote:
> >> >
> >> > On Mon, Jun 24, 2019 at 10:56:04AM +0800, Huang Ying wrote:
> >> > > The auton
Define the ring buffer size as a constant expression because it should
not depend on the guest page size.
Signed-off-by: Maya Nakamura
Reviewed-by: Michael Kelley
---
drivers/hid/hid-hyperv.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/hid/hid-hyperv.c b/driv
Define the ring buffer size as a constant expression because it should
not depend on the guest page size.
Signed-off-by: Maya Nakamura
Reviewed-by: Michael Kelley
---
drivers/input/serio/hyperv-keyboard.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/input/seri
12.07.2019 11:10, Maxime Ripard пишет:
> On Thu, Jul 11, 2019 at 06:55:03PM +0300, Dmitry Osipenko wrote:
>> 11.07.2019 12:03, Maxime Ripard пишет:
>>> On Wed, Jul 10, 2019 at 06:05:18PM +0300, Dmitry Osipenko wrote:
10.07.2019 17:05, Maxime Ripard пишет:
> On Wed, Jul 10, 2019 at 04:29:19
Mark the memory region with NOMAP flag instead of completely removing it
from the memory blocks. That makes the FDT handling consistent with the EFI
memory map handling.
Cc: Rob Herring
Cc: Frank Rowand
Cc: devicet...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: KarimAllah Ahm
UMONITOR, UMWAIT and TPAUSE are a set of user wait instructions.
This patch adds support for user wait instructions in KVM. Availability
of the user wait instructions is indicated by the presence of the CPUID
feature flag WAITPKG CPUID.0x07.0x0:ECX[5]. User wait instructions may
be executed at any
As the latest Intel 64 and IA-32 Architectures Software Developer's
Manual, UMWAIT and TPAUSE instructions cause a VM exit if the
RDTSC exiting and enable user wait and pause VM-execution
controls are both 1.
This patch is to handle the vm-exit for UMWAIT and TPAUSE as this
should never happen.
C
UMWAIT and TPAUSE instructions use IA32_UMWAIT_CONTROL at MSR index E1H
to determines the maximum time in TSC-quanta that the processor can reside
in either C0.1 or C0.2.
This patch emulates MSR IA32_UMWAIT_CONTROL in guest and differentiate
IA32_UMWAIT_CONTROL between host and guest. The variable
UMONITOR, UMWAIT and TPAUSE are a set of user wait instructions.
UMONITOR arms address monitoring hardware using an address. A store
to an address within the specified address range triggers the
monitoring hardware to wake up the processor waiting in umwait.
UMWAIT instructs the processor to ente
On Fri, Jul 12, 2019 at 10:44:30AM +1000, Stephen Rothwell wrote:
> Hi all,
>
> On Mon, 8 Jul 2019 19:23:45 +1000 Stephen Rothwell
> wrote:
> >
> > After merging the char-misc tree, today's linux-next build (x86_64
> > allmodconfig) failed like this:
> >
> > drivers/misc/vmw_balloon.c: In func
On Sun, Jul 07, 2019 at 08:57:10AM +0200, Greg Kroah-Hartman wrote:
> On Sat, Jul 06, 2019 at 08:08:57PM +0100, Okash Khawaja wrote:
> > On Fri, 15 Mar 2019 20:18:31 -0700
> > Greg Kroah-Hartman wrote:
> >
> > > On Fri, Mar 15, 2019 at 01:01:27PM +, Okash Khawaja wrote:
> > > > Hi,
> > > >
>
Hello,
On Thu, Jul 04, 2019 at 12:33:22PM +0200, Marc Gonzalez wrote:
> Refactor the command setup code, and let the compiler determine
> the size of each command.
>
> Reviewed-by: Jonathan Neuschäfer
> Signed-off-by: Marc Gonzalez
> ---
> Changes from v1:
> - Use a real function to populate st
On Fri, Jul 12, 2019 at 10:09:04AM +0200, Petr Mladek wrote:
> The patch looks like a hack using a hole that the next cycle
> does not longer check the number of really stored characters.
>
> What would happen when msg_print_text() starts adding
> the trailing '\0' as suggested by
> https://lkml.k
On 19-07-11 16:03:22, Jens Axboe wrote:
> On 7/11/19 3:35 PM, Stephen Rothwell wrote:
> > Hi all,
> >
> > In commit
> >
> >8f3858763d33 ("nvme: fix NULL deref for fabrics options")
> >
> > Fixes tag
> >
> >Fixes: 958f2a0f8 ("nvme-tcp: set the STABLE_WRITES flag when data digests
> >
>
ion_buffer_add() insert ion_buffer into rbtree every time creating
an ion_buffer but never use it after ION reworking.
Also, buffer_lock protects only rbtree operation, remove it together.
Signed-off-by: Lecopzer Chen
Cc: YJ Chiang
Cc: Lecopzer Chen
---
drivers/staging/android/ion/ion.c | 36 -
Do not mark regions that are marked with nomap to be present, otherwise
these memblock cause unnecessarily allocation of metadata.
Cc: Andrew Morton
Cc: Pavel Tatashin
Cc: Oscar Salvador
Cc: Michal Hocko
Cc: Mike Rapoport
Cc: Baoquan He
Cc: Qian Cai
Cc: Wei Yang
Cc: Logan Gunthorpe
Cc: li
The new siw driver fails to build on i386 with
drivers/infiniband/sw/siw/siw_qp.c:1025:3: error: invalid output size for
constraint '+q'
smp_store_mb(*cq->notify, SIW_NOTIFY_NOT);
^
include/asm-generic/barrier.h:141:35: note: expanded from macro 'smp_store_mb'
#de
Without this symbol we get a link failure:
ERROR: "dma_virt_ops" [drivers/infiniband/sw/siw/siw.ko] undefined!
Fixes: bdcf26bf9b3a ("rdma/siw: network and RDMA core interface")
Signed-off-by: Arnd Bergmann
---
drivers/infiniband/sw/siw/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a
The values in map_cqe_status[] don't match the type:
drivers/infiniband/sw/siw/siw_cq.c:31:4: error: implicit conversion from
enumeration type 'enum siw_wc_status' to different enumeration type 'enum
siw_opcode' [-Werror,-Wenum-conversion]
{ SIW_WC_SUCCESS, IB_WC_SUCCESS },
~ ^~~
I ran into another build issue in randconfig testing for this driver,
when CONFIG_GPIOLIB is not set:
WARNING: unmet direct dependencies detected for GPIO_AMD_FCH
Depends on [n]: GPIOLIB [=n] && HAS_IOMEM [=y]
Selected by [y]:
- PCENGINES_APU2 [=y] && X86 [=y] && X86_PLATFORM_DEVICES [=y] &&
On Thu, Jul 11, 2019 at 11:53:12AM -0700, Bart Van Assche wrote:
> On 7/10/19 3:09 PM, Peter Zijlstra wrote:
> > One thing I mentioned when Thomas did the unwinder API changes was
> > trying to move lockdep over to something like stackdepot.
> >
> > We can't directly use stackdepot as is, because
The new temporary variable is lacks a 'const' annotation:
sound/soc/generic/audio-graph-card.c:87:7: error: assigning to 'u32 *' (aka
'unsigned int *') from 'const void *' discards qualifiers
[-Werror,-Wincompatible-pointer-types-discards-qualifiers]
Fixes: c152f8491a8d ("ASoC: audio-graph-card
Wrap merge condition into function for readability, no logic change.
Signed-off-by: Chao Yu
---
v2: remove bio validation check in page_is_mergeable().
fs/f2fs/data.c | 40 +---
1 file changed, 33 insertions(+), 7 deletions(-)
diff --git a/fs/f2fs/data.c b/fs
On Fri, Jul 12, 2019 at 02:58:18AM +, Raslan, KarimAllah wrote:
> On Fri, 2019-07-12 at 08:06 +0530, Anshuman Khandual wrote:
> >
> > On 07/12/2019 03:51 AM, KarimAllah Ahmed wrote:
> > >
> > > Some valid RAM can live outside kernel control (e.g. using mem= kernel
> > > command-line). For the
Without CONFIG_MLX5_ESWITCH we get a harmless warning:
drivers/net/ethernet/mellanox/mlx5/core/en_main.c:3467:21: error: unused
variable 'priv' [-Werror,-Wunused-variable]
struct mlx5e_priv *priv = netdev_priv(dev);
Hide the declaration in the same #ifdef as its usage.
Fixes: 4e95bc268b
On 2019/7/12 下午3:53, Peter Zijlstra wrote:
[snip]
return target;
}
>>>
>>> Select idle sibling should never cross node boundaries and is thus the
>>> entirely wrong place to fix anything.
>>
>> Hmm.. in our early testing the printk show both select_task_rq_fair() and
>> task_numa_f
clang-9 does not like the way that the is_signed_type() compares
function pointers deep inside of the trace even macros:
In file included from arch/x86/xen/trace.c:21:
In file included from include/trace/events/xen.h:475:
In file included from include/trace/define_trace.h:102:
In file included fro
My Dear Friend,
Before I introduce myself, I wish to inform you that this letter is not a hoax
mail and I urge you to treat it serious. This letter must come to you as a big
surprise, but I believe it is only a day that people meet and become great
friends and business partners. Please I want
On Fri, 2019-07-12 at 09:56 +0100, Russell King - ARM Linux admin wrote:
> On Fri, Jul 12, 2019 at 02:58:18AM +, Raslan, KarimAllah wrote:
> >
> > On Fri, 2019-07-12 at 08:06 +0530, Anshuman Khandual wrote:
> > >
> > >
> > > On 07/12/2019 03:51 AM, KarimAllah Ahmed wrote:
> > > >
> > > >
>
clang gets confused by an uninitialized variable in what looks
to it like a never executed code path:
arch/x86/kernel/acpi/boot.c:618:13: error: variable 'polarity' is uninitialized
when used here [-Werror,-Wuninitialized]
polarity = polarity ? ACPI_ACTIVE_LOW : ACPI_ACTIVE_HIGH;
Clang gets rather confused about two variables in the same special
section when one of them is not initialized, leading to an assembler
warning later:
/tmp/slab_common-18f869.s: Assembler messages:
/tmp/slab_common-18f869.s:7526: Warning: ignoring changed section attributes
for .data..ro_after_in
The cudbg_collect_mem_region() and cudbg_read_fw_mem() both use several
hundred kilobytes of kernel stack space. One gets inlined into the other,
which causes the stack usage to be combined beyond the warning limit
when building with clang:
drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c:1057:12: e
The mpi library contains some rather old inline assembly statements
that produce a lot of warnings for 32-bit x86, such as:
lib/mpi/mpih-div.c:76:16: error: invalid use of a cast in a inline asm context
requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
clang warns about a few parts of the math-emu implementation
where a 16-bit integer becomes negative during assignment:
arch/x86/math-emu/poly_tan.c:88:35: error: implicit conversion from 'int' to
'short' changes value from 49216 to -16320 [-Werror,-Wconstant-conversion]
Hi Linus,
here is the bulk of pin control changes for the v5.3 kernel cycle.
This is pretty linear development in pin control, nothing really
stand out. We had a bit of SPDX fuzz with tglx fixing up tags
with scripts at the same time as maintainers were fixing up the
same tags, but I regard that
On 2019/7/12 下午3:58, Peter Zijlstra wrote:
[snip]
>>>
>>> Then our task t1 should be accounted to B (as you do), but also to A and
>>> R.
>>
>> I get the point but not quite sure about this...
>>
>> Not like pages there are no hierarchical limitation on locality, also tasks
>
> You can use cpus
When CONFIG_SYSFS is disabled but CONFIG_TMPFS is enabled, we get a warning
about shmem_parse_huge() never being called:
mm/shmem.c:417:12: error: unused function 'shmem_parse_huge'
[-Werror,-Wunused-function]
static int shmem_parse_huge(const char *str)
Change the #ifdef so we no longer build t
On Thu 2019-07-11 16:29:37, Vincent Whitchurch wrote:
> kmsg_dump_get_buffer() is supposed to select all the youngest log
> messages which fit into the provided buffer. It determines the correct
> start index by using msg_print_text() with a NULL buffer to calculate
> the size of each entry. Howe
clang points out that running a 64-bit guest on a 32-bit host
would lead to uninitialized variables:
arch/x86/kvm/hyperv.c:1610:6: error: variable 'ingpa' is used uninitialized
whenever 'if' condition is false [-Werror,-Wsometimes-uninitialized]
if (!longmode) {
^
arch
clang finds a contruct suspicious that converts an unsigned
character to a signed integer and back, causing an overflow:
arch/x86/kvm/mmu.c:4605:39: error: implicit conversion from 'int' to 'u8' (aka
'unsigned char') changes value from -205 to 51 [-Werror,-Wconstant-conversion]
u8
On Thu 11-07-19 08:25:50, Matthew Wilcox wrote:
> On Thu, Jul 11, 2019 at 07:13:50AM -0700, Matthew Wilcox wrote:
> > However, the XA_RETRY_ENTRY might be a good choice. It doesn't normally
> > appear in an XArray (it may appear if you're looking at a deleted node,
> > but since we're holding the
clang-9 points out that there are two variables that depending on the
configuration may only be used in an ARRAY_SIZE() expression but not
referenced:
drivers/dma/ste_dma40.c:145:12: error: variable 'd40_backup_regs' is not needed
and will not be emitted [-Werror,-Wunneeded-internal-declaration]
On Fri, Jul 12, 2019 at 10:59 AM Arnd Bergmann wrote:
>
> clang-9 does not like the way that the is_signed_type() compares
> function pointers deep inside of the trace even macros:
>
> In file included from arch/x86/xen/trace.c:21:
> In file included from include/trace/events/xen.h:475:
> In file
Hi Geert-san,
> From: Geert Uytterhoeven, Sent: Thursday, July 11, 2019 10:04 PM
>
> The module reset code in the Renesas CPG/MSSR driver uses
> read-modify-write (RMW) operations to write to a Software Reset Register
> (SRCRn), and simple writes to write to a Software Reset Clearing
> Register (
Hi,
On Thu 11 Jul 19, 13:57, Mirela Rabulea wrote:
> On Jo, 2019-07-11 at 10:18 +0200, Paul Kocialkowski wrote:
> > Caution: EXT Email
> >
> > Hi,
> >
> > On Wed 03 Jul 19, 18:15, Mirela Rabulea wrote:
> > >
> > > The added format is V4L2_PIX_FMT_YUV24, this is a packed
> > > YUV 4:4:4 format,
On (07/12/19 11:12), Petr Mladek wrote:
> > For example, with the following two final prints:
> >
> > [6.427502] A
> > [6.427769] 12345
> >
> > A dump of a 64-byte buffer filled by kmsg_dump_get_buffer(), before this
> > patch:
> >
> > : 3c 30 3e 5b 20 20 20
Hello,
To readers of the linux-speakup: could you help on this so we can get
Speakup in mainline? Neither Okash or I completely know what user
consequences the files in /sys/accessibility/speakup/ have, so could
people give brief explanations for each file (something like 3-6 lines
of explanation
Generally, declaring a platform device as a static variable is
a bad idea and can cause all kinds of problems, in particular
with the DMA configuration and lifetime rules.
A specific problem we hit here is from a bug in clang that warns
about certain (otherwise valid) macros when used in static va
On Fri, Jul 12, 2019 at 9:38 AM Greg Kroah-Hartman
wrote:
>
> On Sun, Jul 07, 2019 at 08:57:10AM +0200, Greg Kroah-Hartman wrote:
> > On Sat, Jul 06, 2019 at 08:08:57PM +0100, Okash Khawaja wrote:
> > > On Fri, 15 Mar 2019 20:18:31 -0700
> > > Greg Kroah-Hartman wrote:
> > >
> > > > On Fri, Mar 1
On 7/2/2019 5:42 PM, Aniket Masule wrote:
From: Malathi Gottam
This adds video nodes to sdm845 based on the examples
in the bindings.
Signed-off-by: Malathi Gottam
Co-developed-by: Aniket Masule
Signed-off-by: Aniket Masule
Reviewed-by: Rajendra Nayak
---
arch/arm64/boot/dts/qcom/
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