On 4/15/21 11:41 AM, Tomas Melin wrote:
While working on updates I did notice something new which I cannot
reproduce on older (5.10.17 kernel) version. If compiling this as a
module, getting error while
unloading module:
[ 40.200084] Unable to handle kernel NULL pointer dereference at
On Fri, Apr 16, 2021 at 02:02:07PM +0200, Mike Galbraith wrote:
> [ 15.428011] BUG: KASAN: vmalloc-out-of-bounds in
> crash_setup_memmap_entries+0x17e/0x3a0
> [ 15.428018] Write of size 8 at addr c9426008 by task kexec/1187
>
> (gdb) list *crash_setup_memmap_entries+0x17e
>
Hi Uwe,
Thanks for your comment.
On Fri, Apr 16, 2021 at 11:44:26AM +0200, Uwe Kleine-König wrote:
> Hello Nobuhiro,
>
> On Fri, Apr 16, 2021 at 05:07:21PM +0900, Nobuhiro Iwamatsu wrote:
> > On Mon, Apr 12, 2021 at 09:02:32AM +0200, Uwe Kleine-König wrote:
> > > On Mon, Apr 12, 2021 at
On 2021-04-16 19:19, Alexander Shishkin wrote:
Tao Zhang writes:
diff --git a/drivers/hwtracing/coresight/coresight-core.c
b/drivers/hwtracing/coresight/coresight-core.c
index 4ba801d..b79c726 100644
--- a/drivers/hwtracing/coresight/coresight-core.c
+++
On Fri, Apr 16, 2021 at 05:49:20PM +0800, Baoquan He wrote:
> On 04/16/21 at 09:00am, Oscar Salvador wrote:
> ...
> > +/*
> > + * alloc_and_dissolve_huge_page - Allocate a new page and dissolve the old
> > one
> > + * @h: struct hstate old page belongs to
> > + * @old_page: Old page to dissolve
On 4/15/21 10:40 PM, zhuguangqin...@gmail.com wrote:
From: Guangqing Zhu
This is not required here. -Alex
https://lore.kernel.org/netdev/d57e0a43-4d87-93cf-471c-c8185ea85...@ieee.org/
Coccinelle noticed:
drivers/net/ipa/ipa_smp2p.c:186:7-27: ERROR: Threaded IRQ with no primary
handler
On 4/14/21 9:43 PM, Lin Feng wrote:
> Since commit 01e99aeca39796003 'blk-mq: insert passthrough request into
> hctx->dispatch directly', passthrough request should not appear in
> IO-scheduler any more, so blk_rq_is_passthrough checking in addon IO
> schedulers is redundant.
>
> (Notes: this
On 4/14/21 9:39 PM, Lin Feng wrote:
> Commit 01e99aeca39796003 ("blk-mq: insert passthrough request into
> hctx->dispatch directly") gives high priority to passthrough requests and
> bypass underlying IO scheduler. But as we allocate tag for such request it
> still runs io-scheduler's callback
On 4/16/21 1:30 PM, Aswath Govindraju wrote:
> The following series of patches add support for CAN transceivers.
>
> TCAN1042 has a standby signal that needs to be pulled high for
> sending/receiving messages[1]. TCAN1043 has a enable signal along with
> standby signal that needs to be pulled up
On 4/16/21 2:34 AM, Denis Efremov wrote:
> Just a couple of patches to make checkpatch.pl a bit more happy.
> All these patches preserve original semantics of the code and only
> memset(), memcpy() patches change binary code.
Applied, thanks.
--
Jens Axboe
Use the Qualcomm Mailbox Protocol (QMP) binding to control the load
state resources on SM8250 SoCs and drop deprecated power-domains exposed
by AOSS QMP node.
Signed-off-by: Sibi Sankar
---
arch/arm64/boot/dts/qcom/sm8250.dtsi | 22 +++---
1 file changed, 11 insertions(+), 11
Use the Qualcomm Mailbox Protocol (QMP) binding to control the load
state resources on SM8350 SoCs and drop deprecated power-domains exposed
by AOSS QMP node.
Signed-off-by: Sibi Sankar
---
arch/arm64/boot/dts/qcom/sm8350.dtsi | 30 --
1 file changed, 16
Use the Qualcomm Mailbox Protocol (QMP) binding to control the load
state resources on SDM845 SoCs and drop deprecated power-domains exposed
by AOSS QMP node.
Signed-off-by: Sibi Sankar
---
arch/arm64/boot/dts/qcom/sdm845.dtsi | 8
1 file changed, 4 insertions(+), 4 deletions(-)
diff
Delete unused power-domain definitions exposed by AOSS QMP.
Signed-off-by: Sibi Sankar
---
include/dt-bindings/power/qcom-aoss-qmp.h | 14 --
1 file changed, 14 deletions(-)
delete mode 100644 include/dt-bindings/power/qcom-aoss-qmp.h
diff --git
Use the Qualcomm Mailbox Protocol (QMP) binding to control the load
state resources on SM8150 SoCs and drop deprecated power-domains exposed
by AOSS QMP node.
Signed-off-by: Sibi Sankar
---
arch/arm64/boot/dts/qcom/sm8150.dtsi | 28 ++--
1 file changed, 14 insertions(+),
Use the Qualcomm Mailbox Protocol (QMP) binding to control the load
state resources on SC7180 SoCs and drop deprecated power-domains exposed
by AOSS QMP node.
Signed-off-by: Sibi Sankar
---
arch/arm64/boot/dts/qcom/sc7180.dtsi | 9 -
1 file changed, 4 insertions(+), 5 deletions(-)
diff
Use the Qualcomm Mailbox Protocol (QMP) binding to control the load
state resources on SC7280 SoCs and drop deprecated power-domains exposed
by AOSS QMP node.
Signed-off-by: Sibi Sankar
---
arch/arm64/boot/dts/qcom/sc7280.dtsi | 2 --
1 file changed, 2 deletions(-)
diff --git
Add Qualcomm Mailbox Protocol (QMP) binding to replace the power domains
exposed by the AOSS QMP node.
Signed-off-by: Sibi Sankar
---
Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt | 7 ++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git
The power domains exposed by the AOSS QMP driver control the load state
resources linked to modem, adsp, cdsp remoteprocs. These are used to
notify the Always on Subsystem (AOSS) that a particular co-processor is
up/down. AOSS uses this information to wait for the co-processors to
suspend before
The load state resources are expected to follow the life cycle of the
remote processor it tracks. However, modeling load state resources as
power-domains result in them getting turned off during system suspend
and thereby falling out of sync with the remote processors that are still
on. Fix this
Add Qualcomm Mailbox Protocol (QMP) binding to replace the power domains
exposed by the AOSS QMP node.
Signed-off-by: Sibi Sankar
---
Documentation/devicetree/bindings/remoteproc/qcom,adsp.txt | 11 ---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git
Drop power-domain bindings exposed by AOSS QMP node.
Signed-off-by: Sibi Sankar
---
.../devicetree/bindings/soc/qcom/qcom,aoss-qmp.txt | 16 ++--
1 file changed, 2 insertions(+), 14 deletions(-)
diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,aoss-qmp.txt
The power domains exposed by the AOSS QMP driver control the load state
resources linked to modem, adsp, cdsp remoteprocs. These are used to
notify the Always on Subsystem (AOSS) that a particular co-processor is
up/down. AOSS uses this information to wait for the co-processors to
suspend before
[ 15.428011] BUG: KASAN: vmalloc-out-of-bounds in
crash_setup_memmap_entries+0x17e/0x3a0
[ 15.428018] Write of size 8 at addr c9426008 by task kexec/1187
(gdb) list *crash_setup_memmap_entries+0x17e
0x8107cafe is in crash_setup_memmap_entries
(arch/x86/kernel/crash.c:322).
From: Viorel Suman
check the return value of ak4458_rstn_control.
Signed-off-by: Viorel Suman
Signed-off-by: Shengjiu Wang
---
sound/soc/codecs/ak4458.c | 19 +++
1 file changed, 15 insertions(+), 4 deletions(-)
diff --git a/sound/soc/codecs/ak4458.c
On Fri, Apr 16, 2021 at 08:22:38PM +0900, Namhyung Kim wrote:
> On Fri, Apr 16, 2021 at 7:28 PM Peter Zijlstra wrote:
> >
> > On Fri, Apr 16, 2021 at 11:29:30AM +0200, Peter Zijlstra wrote:
> >
> > > > So I think we've had proposals for being able to close fds in the past;
> > > > while
On 16.04.21 13:44, Mike Rapoport wrote:
On Thu, Apr 15, 2021 at 11:30:12AM +0200, David Hildenbrand wrote:
Not sure we really need a new pagetype here, PG_Reserved seems to be quite
enough to say "don't touch this". I generally agree that we could make
PG_Reserved a PageType and then have
On Fri, Apr 16, 2021 at 12:52 PM zhaoya wrote:
>
> When syncookie is triggered, since $MSSID is spliced into cookie and
> the legal index of msstab is 0,1,2,3, this gives client 3 bytes
> of freedom, resulting in at most 3 bytes of silent loss.
>
> C seq=12345-> S
> C
On Thu, 15 Apr 2021 at 20:23, Greg Kroah-Hartman
wrote:
>
> This is the start of the stable review cycle for the 4.9.267 release.
> There are 47 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.
>
>
On 2021-04-15 17:49, Suzuki K Poulose wrote:
Hi
On 15/04/2021 10:33, Tao Zhang wrote:
Current coresight implementation only supports enabling source
ETMs or STM. This patch adds support to enable more kinds of
coresight source to sink paths. We build a path from source to
sink when any source
Flash OTP regions can already be read via user space. Some boards have
their serial number or MAC addresses stored in the OTP regions. Add
support for them being a (read-only) nvmem provider.
The API to read the OTP data is already in place. It distinguishes
between factory and user OTP, thus
Convert MTD's common.txt to mtd.yaml.
Signed-off-by: Michael Walle
Reviewed-by: Rob Herring
---
Changes since RFC:
- use real device compatibles
.../devicetree/bindings/mtd/common.txt| 16 +---
.../devicetree/bindings/mtd/mtd.yaml | 39 +++
2 files
SPI-NOR flashes may have OTP regions and have a nvmem binding. This
binding is described in mtd.yaml.
Signed-off-by: Michael Walle
---
Changes since RFC:
- new patch
Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml | 6 ++
1 file changed, 6 insertions(+)
diff --git
Flash devices can have one-time-programmable regions. Add a nvmem
binding so they can be used as a nvmem provider.
Signed-off-by: Michael Walle
---
Changes since RFC:
- added missing "$"
- dropped first example
- use real device compatibles
Please note, that this will lead to an error
Until now, the of_node of the parent device is used. Some devices
provide more than just the nvmem provider. To avoid name space clashes,
add a way to allow specifying the nvmem cells in subnodes. Consider the
following example:
flash@0 {
compatible = "jedec,spi-nor";
The goal is to fetch a (base) MAC address from the OTP region of a SPI NOR
flash.
This is the first part, where I try to add the nvmem provider support to
the MTD core.
I'm not sure about the device tree bindings. Consider the following two
variants:
(1)
flash@0 {
..
otp {
On 04/16/21 at 01:28pm, Mike Galbraith wrote:
> On Fri, 2021-04-16 at 19:07 +0800, Dave Young wrote:
> >
> > > We're excluding two ranges, allocate the scratch space we need to do that.
> >
> > I think 1 range should be fine, have you tested 1?
>
> Have now, and vzalloc(struct_size(cmem, ranges,
On Tue, 13 Apr 2021, Juergen Gross wrote:
> > what Jiri said about "I am still planning to have Yunsheng Lin's
> > (CCing) fix [1] tested in the coming days." is that Juergen has
> > done the test and provide a "Tested-by" tag.
>
> Correct. And I did this after Jiri asking me to do so.
Exactly,
Hi,
On 14/04/2021 21:42, Miguel Ojeda wrote:
> On Wed, Apr 14, 2021 at 9:34 PM Linus Torvalds
> wrote:
>>
>> Honestly, I'd like to see a real example. This is fine for testing,
>> but I'd like to see something a bit more real, and a bit less special
>> than the Android "binder" WIP that comes a
Hi all,
On 15/04/21 9:16 pm, Aswath Govindraju wrote:
> The following series of patches add support for implementing the
> transceiver as a phy of m_can_platform driver.
>
> TCAN1042 has a standby signal that needs to be pulled high for
> sending/receiving messages[1]. TCAN1043 has a enable
Hi all,
On 16/04/21 10:56 am, Aswath Govindraju wrote:
> The following series of patches add support for CAN transceivers.
>
> TCAN1042 has a standby signal that needs to be pulled high for
> sending/receiving messages[1]. TCAN1043 has a enable signal along with
> standby signal that needs to be
On Thu, Apr 15, 2021 at 11:30:12AM +0200, David Hildenbrand wrote:
> > Not sure we really need a new pagetype here, PG_Reserved seems to be quite
> > enough to say "don't touch this". I generally agree that we could make
> > PG_Reserved a PageType and then have several sub-types for reserved
On Fri, Apr 16, 2021 at 1:20 AM Andrii Nakryiko
wrote:
>
> On Wed, Apr 14, 2021 at 11:54 AM Florent Revest wrote:
> > +/* Loads an eBPF object calling bpf_snprintf with up to 10 characters of
> > fmt */
> > +static int load_single_snprintf(char *fmt)
> > +{
> > + struct
From: Faiz Abbas
Some transceivers need a configuration step (for example, pulling the
standby or enable lines) for them to start sending messages. The
transceiver can be implemented as a phy with the configuration done in the
phy driver. The bit rate limitation can the be obtained by the driver
From: Faiz Abbas
Add support for implementing transceiver node as phy. The max_bitrate is
obtained by getting a phy attribute.
Signed-off-by: Faiz Abbas
Signed-off-by: Aswath Govindraju
---
drivers/net/can/m_can/m_can.c | 10 ++
drivers/net/can/m_can/m_can.h | 2 ++
The following series of patches add support for implementing the
transceiver as a phy of m_can_platform driver.
TCAN1042 has a standby signal that needs to be pulled high for
sending/receiving messages[1]. TCAN1043 has a enable signal along with
standby signal that needs to be pulled up for
Hi Calvin,
Thanks for the feedback. I'll begin making the change and testing. I'll
respond with V2 patch in this thread.
Regards,
Terry
On 4/14/21 9:13 PM, Calvin Walton wrote:
On Tue, 2021-03-30 at 21:38 +, Terry Bowman wrote:
+int idx_valid_amd(int idx)
+{
+ switch (idx) {
+
The MAINTAINERS entry for cortina/gemini miss all dts of this platform.
Signed-off-by: Corentin Labbe
---
MAINTAINERS | 1 +
1 file changed, 1 insertion(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index f64a75945b06..927fa29f05ed 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1816,6 +1816,7 @@
On Thu, Apr 15, 2021 at 11:31:26AM +0200, David Hildenbrand wrote:
> On 14.04.21 22:29, Mike Rapoport wrote:
> > On Wed, Apr 14, 2021 at 05:58:26PM +0200, David Hildenbrand wrote:
> > > On 08.04.21 07:14, Anshuman Khandual wrote:
> > > >
> > > > On 4/7/21 10:56 PM, Mike Rapoport wrote:
> > > > >
On 16/04/2021 11:58, Laurent Pinchart wrote:
> Hi Neil,
>
> On Fri, Apr 16, 2021 at 11:27:35AM +0200, Neil Armstrong wrote:
>> This adds DW-HDMI driver a glue option to disable loading of the CEC
>> sub-driver.
>>
>> On some SoCs, the CEC functionality is enabled in the IP config bits, but the
Hi,
On Wed, Apr 7, 2021 at 2:35 PM Kornel Duleba wrote:
>
> Currently all PCIE windows point to bus address 0x0, which does not match
> the values obtained from hardware during EA.
> Replace those values with CPU addresses, since in reality we
> have a 1:1 mapping between the two.
>
>
Hi all,
Changes since 20210415:
New trees: cxl-fixes, cxl
The rust tree gained conflicts against the printk and char-misc trees.
Non-merge commits (relative to Linus' tree): 12231
10888 files changed, 590734 insertions(+), 269274 deletions(-)
On Sat, Apr 10, 2021 at 10:30:16PM +0200, Christophe JAILLET wrote:
> Use SPDX-License-Identifier: GPL-2.0-only, instead of hand writing it.
>
> This also removes a reference to http://www.xyratex.com which seems to be
> down.
>
> Signed-off-by: Christophe JAILLET
> ---
>
On Sat, Apr 10, 2021 at 05:50:32PM +0800, Hui Tang wrote:
> 'hpre_cfg_by_dsm' has checked and printed error path internally. It is not
> necessary to do it here, so remove it.
>
> It should return error immediately when return value of 'hpre_cfg_by_dsm'
> is non-zero, and no need to execute the
On Thu, 15 Apr 2021 at 20:27, Greg Kroah-Hartman
wrote:
>
> This is the start of the stable review cycle for the 4.14.231 release.
> There are 68 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.
>
>
On Fri, Apr 09, 2021 at 03:11:55PM -0700, Nathan Chancellor wrote:
> Debian's clang carries a patch that makes the default FPU mode
> 'vfp3-d16' instead of 'neon' for 'armv7-a' to avoid generating NEON
> instructions on hardware that does not support them:
>
>
On Thu, Apr 08, 2021 at 01:44:43PM -0500, Eric W. Biederman wrote:
> Linus Torvalds writes:
>
> > On Thu, Apr 8, 2021 at 1:32 AM kernel test robot
> > wrote:
> >>
> >> FYI, we noticed a -41.9% regression of stress-ng.sigsegv.ops_per_sec due
> >> to commit
> >> 08ed4efad684 ("[PATCH v10 6/9]
On Sat, Apr 10, 2021 at 05:46:58PM +0800, Hui Tang wrote:
> This patchset adds the debug log and cleanup code style.
>
> Hui Tang (3):
> crypto: hisilicon/hpre - delete the rudundant space after return
> crypto: hisilicon/hpre - use the correct variable type
> crypto: hisilicon/hpre - add
On Fri, Apr 09, 2021 at 05:03:59PM +0800, Kai Ye wrote:
> Fixup coding style such as delete unneeded variable
> initialization. Add a comment for block size initialization.
> Add a data cleared operation in sg buf unmap, and other misc fix.
>
> v1 -> v2:
> 1. fix [PATCH v2] error in v1.
> 2. v1
On Thu, Apr 08, 2021 at 06:23:49PM +0800, Kai Ye wrote:
> According to Documentation/core-api/printk-formats.rst,
> Use the correct print format. Printing an unsigned int value should use %u
> instead of %d. Otherwise printk() might end up displaying negative numbers.
>
> Kai Ye (2):
>
On Thu, Apr 08, 2021 at 03:18:31PM +0800, Shixin Liu wrote:
> pm_runtime_get_sync will increment pm usage counter even it failed.
> Forgetting to putting operation will result in reference leak here.
> Fix it by replacing it with pm_runtime_resume_and_get to keep usage
> counter balanced.
>
>
The following series of patches add support for CAN transceivers.
TCAN1042 has a standby signal that needs to be pulled high for
sending/receiving messages[1]. TCAN1043 has a enable signal along with
standby signal that needs to be pulled up for sending/receiving
messages[2], and other
The driver adds support for generic CAN transceivers. Currently
the modes supported by this driver are standby and normal modes for TI
TCAN1042 and TCAN1043 CAN transceivers.
The transceiver is modelled as a phy with pins controlled by gpios, to put
the transceiver in various device functional
Add binding documentation for TI TCAN104x CAN transceivers.
Signed-off-by: Aswath Govindraju
Reviewed-by: Rob Herring
---
.../bindings/phy/ti,tcan104x-can.yaml | 56 +++
MAINTAINERS | 1 +
2 files changed, 57 insertions(+)
create mode
In some subsystems (eg. CAN, SPI), the max link rate supported can be less
than 1 Mbps and if the unit for max_link_rate is Mbps then it can't be
used. Therefore, leave the decision of units to be used, to the producer
and consumer.
Signed-off-by: Aswath Govindraju
---
include/linux/phy/phy.h |
On Wed, Apr 07, 2021 at 10:18:14PM +0800, YueHaibing wrote:
> This patchset remove some redundant dev_err calls
>
> YueHaibing (5):
> crypto: atmel-tdes - Remove redundant dev_err call in
> atmel_tdes_probe()
> crypto: img-hash - Remove redundant dev_err call in img_hash_probe()
>
On Wed, Apr 07, 2021 at 05:44:33PM +0800, Weili Qian wrote:
> Kunpeng930 supports trng and prng, but Kunpeng920 only supports trng.
>
> Therefore, version information is added to ensure that prng is not
> registered to Crypto subsystem on Kunpeng920.
>
> Signed-off-by: Weili Qian
> ---
>
On Sun, Mar 21, 2021 at 07:58:13PM +0100, Heiko Stuebner wrote:
> Am Dienstag, 16. März 2021, 19:27:53 CET schrieb Jonathan McDowell:
> > The Rockchip RGB CRTC output driver attempts to avoid probing Rockchip
> > subdrivers to see if they're a connected panel or bridge. However part
> > of its
On Tue, Apr 06, 2021 at 08:56:02PM +0800, Weili Qian wrote:
> Kunpeng930 could be able to stop queue by writing hardware registers,
> which will trigger tasks in device to be flushed out.
>
> In order to be compatible with the kunpeng920 driver, add 'qm_hw_ops_v3' to
> adapt Kunpeng930. And
On Tue, Apr 06, 2021 at 08:02:57PM +0800, Huang Guobin wrote:
> From: Guobin Huang
>
> spinlock can be initialized automatically with DEFINE_SPINLOCK()
> rather than explicitly calling spin_lock_init().
>
> Reported-by: Hulk Robot
> Signed-off-by: Guobin Huang
> ---
>
On Tue, Apr 06, 2021 at 08:00:03PM +0800, Huang Guobin wrote:
> From: Guobin Huang
>
> spinlock can be initialized automatically with DEFINE_SPINLOCK()
> rather than explicitly calling spin_lock_init().
>
> Reported-by: Hulk Robot
> Signed-off-by: Guobin Huang
> ---
>
On Tue, Apr 06, 2021 at 10:32:59AM +0800, Meng Yu wrote:
> This function declaration has been added in 'ecc_curve.h',
> delete it in 'crypto/ecc.h'.
>
> Fixes: 4e6602916bc6(crypto: ecdsa - Add support for ECDSA ...)
> Signed-off-by: Meng Yu
> ---
>
> v1 -> v2: Modify the 'Fixes tag' from
On Fri, 2021-04-16 at 19:07 +0800, Dave Young wrote:
>
> > We're excluding two ranges, allocate the scratch space we need to do that.
>
> I think 1 range should be fine, have you tested 1?
Have now, and vzalloc(struct_size(cmem, ranges, 1)) worked just fine.
-Mike
On 16/04/21 3:03 pm, Hari Bathini wrote:
On 16/04/21 12:17 pm, Sourabh Jain wrote:
With the kexec_file_load system call when system crashes on the hot add
CPU the capture kernel hangs and failed to collect the vmcore.
Kernel panic - not syncing: sysrq triggered crash
CPU: 24 PID: 6065
On Sat, Apr 10, 2021 at 05:49:17PM +0800, Hui Tang wrote:
> Currently, an invalid dma address may be unmapped when calling
> 'xx_data_clr_all' in error path, so check dma address of sqe in/out
> whether it has been mapped before calling 'dma_free_coherent' or
> 'dma_unmap_single'.
>
> An abnormal
On Wed, Apr 14, 2021 at 08:45:51PM +0200, oj...@kernel.org wrote:
> - Featureful language: sum types, pattern matching, generics,
> RAII, lifetimes, shared & exclusive references, modules &
> visibility, powerful hygienic and procedural macros...
IMO RAII is over-valued, but just in
Enable arm64 platform to use the MHP_MEMMAP_ON_MEMORY feature.
Signed-off-by: Oscar Salvador
Reviewed-by: David Hildenbrand
---
arch/arm64/Kconfig | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index e4e1b6550115..68735831b236 100644
---
Enable x86_64 platform to use the MHP_MEMMAP_ON_MEMORY feature.
Signed-off-by: Oscar Salvador
Reviewed-by: David Hildenbrand
---
arch/x86/Kconfig | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 2792879d398e..9f0211df1746 100644
---
Self stored memmap leads to a sparse memory situation which is unsuitable
for workloads that requires large contiguous memory chunks, so make this
an opt-in which needs to be explicitly enabled.
To control this, let memory_hotplug have its own memory space, as suggested
by David, so we can add
Let the caller check whether it can pass MHP_MEMMAP_ON_MEMORY by
checking mhp_supports_memmap_on_memory().
MHP_MEMMAP_ON_MEMORY can only be set in case
ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE is enabled, the architecture supports
altmap, and the range to be added spans a single memory block.
Physical memory hotadd has to allocate a memmap (struct page array) for
the newly added memory section. Currently, alloc_pages_node() is used
for those allocations.
This has some disadvantages:
a) an existing memory is consumed for that purpose
(eg: ~2MB per 128MB memory section on x86_64)
From: David Hildenbrand
Let's have a single place (inspired by adjust_managed_page_count()) where
we adjust present pages.
In contrast to adjust_managed_page_count(), only memory onlining/offlining
is allowed to modify the number of present pages.
Signed-off-by: David Hildenbrand
Hi Andrew,
Please, consider pulling out the patch that sits currently in linux-mm and
put this one instead.
I would still like to hear Michal's opinion but it should be safe
enough to let it sit in the mmotm/linux-next for a while.
Thanks
Changes from v8 -> v9:
- Change order of kasan calls
When using self-hosted vmemmap pages, the number of pages passed to
{online,offline}_pages might not fully span sections, but they always
fully span pageblocks.
Relax the check account for that case.
Signed-off-by: Oscar Salvador
Reviewed-by: David Hildenbrand
---
mm/memory_hotplug.c | 18
This is a preparatory patch that introduces two new functions:
memory_block_online() and memory_block_offline().
For now, these functions will only call online_pages() and offline_pages()
respectively, but they will be later in charge of preparing the vmemmap
pages, carrying out the
Tao Zhang writes:
> Add property "coresight-name" for coresight component name. This
> allows coresight driver to read device name from device entries.
>
> Signed-off-by: Tao Zhang
> ---
> Documentation/devicetree/bindings/arm/coresight.txt | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff
On Fri, Apr 16, 2021 at 7:28 PM Peter Zijlstra wrote:
>
> On Fri, Apr 16, 2021 at 11:29:30AM +0200, Peter Zijlstra wrote:
>
> > > So I think we've had proposals for being able to close fds in the past;
> > > while preserving groups etc. We've always pushed back on that because of
> > > the
Am 16.04.21 um 11:37 schrieb Peter Enderborg:
This adds a total used dma-buf memory. Details
can be found in debugfs, however it is not for everyone
and not always available.
Well you are kind of missing the intention here.
I mean knowing this is certainly useful in some case, but you need to
Tao Zhang writes:
> diff --git a/drivers/hwtracing/coresight/coresight-core.c
> b/drivers/hwtracing/coresight/coresight-core.c
> index 4ba801d..b79c726 100644
> --- a/drivers/hwtracing/coresight/coresight-core.c
> +++ b/drivers/hwtracing/coresight/coresight-core.c
> @@ -1640,6 +1640,12 @@ char
On Fri, Apr 16, 2021 at 11:37:19AM +0200, Peter Enderborg wrote:
> diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
> index 6fa761c9cc78..3c1a82b51a6f 100644
> --- a/fs/proc/meminfo.c
> +++ b/fs/proc/meminfo.c
> @@ -16,6 +16,7 @@
> #ifdef CONFIG_CMA
> #include
> #endif
> +#include
>
Le 16/04/2021 à 12:51, Steven Price a écrit :
On 16/04/2021 11:38, Christophe Leroy wrote:
Le 16/04/2021 à 11:28, Steven Price a écrit :
On 15/04/2021 18:18, Christophe Leroy wrote:
In order to support large pages on powerpc, notepage()
needs to know the page size of the page.
Add a
Hi Mike,
Thanks for the patch! I suggest always cc kexec list for kexec/kdump
patches.
On 04/15/21 at 07:56pm, Mike Galbraith wrote:
> x86/crash: fix crash_setup_memmap_entries() KASAN vmalloc-out-of-bounds gripe
>
> [ 15.428011] BUG: KASAN: vmalloc-out-of-bounds in
>
-int __ref online_pages(unsigned long pfn, unsigned long nr_pages,
- int online_type, int nid)
+int mhp_init_memmap_on_memory(unsigned long pfn, unsigned long nr_pages,
+ struct zone *zone)
+{
+ unsigned long end_pfn = pfn + nr_pages;
+
On 4/14/21 4:38 AM, lipeif...@oppo.com wrote:
> From: lipeifeng
>
> This patch would "sort" the free-pages in buddy by pages-PFN to concentrate
> low-order-pages allocation in the front area of memory and high-order-pages
> allcation on the contrary so that few memory-pollution in the back area
On Fri, Apr 16, 2021 at 07:32:35AM +, David Laight wrote:
> From: Matthew Wilcox
> > Sent: 15 April 2021 23:22
> >
> > On Thu, Apr 15, 2021 at 09:11:56PM +, David Laight wrote:
> > > Isn't it possible to move the field down one long?
> > > This might require an explicit zero - but this
Dietmar Eggemann 于2021年4月16日周五 下午6:39写道：
>
> On 16/04/2021 11:32, Valentin Schneider wrote:
> > On 16/04/21 15:47, Ruifeng Zhang wrote:
> >> For more requirements, if all cores in one physical cluster, the
> >> {aff2} of all cores are the same value.
> >> i.e. the sc9863a,
> >> core0:
The following commit has been merged into the x86/cleanups branch of tip:
Commit-ID: df448cdfc01ffc117702a494ef302e7fb76df78a
Gitweb:
https://git.kernel.org/tip/df448cdfc01ffc117702a494ef302e7fb76df78a
Author:Borislav Petkov
AuthorDate:Mon, 12 Apr 2021 10:59:51 +02:00
On Fri, Apr 16, 2021 at 12:51:31PM +0200, David Hildenbrand wrote:
> The thing is: move_pfn_range_to_zone() in case of ordinary online_pages()
> won't touch the pages but only the memmap. The memmap has a proper kasan
> shadow already. Pages won't be touched before exposing them to the page
>
The following commit has been merged into the x86/platform branch of tip:
Commit-ID: 0b45143b4b9440579e7fa889708cfc4bc7fdb9a3
Gitweb:
https://git.kernel.org/tip/0b45143b4b9440579e7fa889708cfc4bc7fdb9a3
Author:Georges Aureau
AuthorDate:Thu, 11 Mar 2021 09:10:28 -06:00
The following commit has been merged into the x86/platform branch of tip:
Commit-ID: 26d4be3ea1b77cc00b5b638faed7a357204f9150
Gitweb:
https://git.kernel.org/tip/26d4be3ea1b77cc00b5b638faed7a357204f9150
Author:Mike Travis
AuthorDate:Thu, 08 Apr 2021 11:00:47 -05:00
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