---
drivers/platform/x86/panasonic-laptop.c | 576 +---
1 file changed, 518 insertions(+), 58 deletions(-)
diff --git a/drivers/platform/x86/panasonic-laptop.c
b/drivers/platform/x86/panasonic-laptop.c
index 59e38a1d2830..55b6d6527f20 100644
--- a/drivers/platform/x86/panason
On 18.08.2020 17:50, Christoph Hellwig wrote:
On Tue, Aug 18, 2020 at 11:50:33AM +0200, Javier Gonzalez wrote:
I understand that the NVMe process was agitated and that the current ZNS
implementation in Linux relies in append support from the device
perspective. However, the current TP does allow
On Tue, Aug 18, 2020 at 07:46:22PM +0200, Christophe Leroy wrote:
> I gave it a go on my powerpc mpc832x. I tested it on top of my newest
> series that reworks the 32 bits signal handlers (see
> https://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=196278) with
> the microbenchmark test
On 18.08.2020 12:51, Matias Bjørling wrote:
On 18/08/2020 11.50, Javier Gonzalez wrote:
On 18.08.2020 09:12, Christoph Hellwig wrote:
On Tue, Aug 18, 2020 at 10:59:36AM +0530, Kanchan Joshi wrote:
If drive does not support zone-append natively, enable emulation using
regular write.
Make emulat
On Mon, Aug 03, 2020 at 05:02:11PM -0600, Jens Axboe wrote:
> ext4 uses generic_file_read_iter(), which already supports this.
>
> Cc: Theodore Ts'o
> Signed-off-by: Jens Axboe
>
> ---
>
> Resending this one, as I've been carrying it privately since May. The
> necessary bits are now upstream (
On Tue, Aug 18, 2020 at 05:50:19PM +0100, Matthew Wilcox wrote:
> On Tue, Aug 18, 2020 at 09:12:29AM -0700, Darrick J. Wong wrote:
> > On Tue, Aug 18, 2020 at 04:53:05PM +0100, Matthew Wilcox wrote:
> > > It would be better to use the same wording as below:
> > >
> > > > + bitmap_zero(iop->s
Hi Peter,
[...]
> > >
> > > How about something like:
> > >
> > > #ifdef CONFIG_64BIT
> > >
> > > #define DEFINE_U64_U32(name) u64 name
> > > #define u64_u32_load(name)name
> > > #define u64_u32_store(name, val)name = val
> > >
> > > #else
> > >
> > > #define DEFINE_U64_U32(name
On 8/18/20 11:11 AM, Theodore Y. Ts'o wrote:
> On Mon, Aug 03, 2020 at 05:02:11PM -0600, Jens Axboe wrote:
>> ext4 uses generic_file_read_iter(), which already supports this.
>>
>> Cc: Theodore Ts'o
>> Signed-off-by: Jens Axboe
>>
>> ---
>>
>> Resending this one, as I've been carrying it privatel
On Tue, Aug 18, 2020 at 7:19 PM Andy Shevchenko
wrote:
>
> On Tue, Aug 18, 2020 at 06:27:12PM +0200, Bartosz Golaszewski wrote:
> > On Tue, Aug 18, 2020 at 10:40 AM Andy Shevchenko
> > wrote:
> > >
> > > On Mon, Aug 17, 2020 at 10:02:05PM +0200, Bartosz Golaszewski wrote:
> > > > On Mon, Aug 17,
On Tue, Aug 18, 2020 at 10:04 AM Alex Dewar wrote:
>
> Depending on config options, account_other_time() may not be called
> anywhere. Add __maybe_unused flag to fix clang warning.
Just curious, would moving this definition to be within an existing
preprocessor guard for a particular config also
On 18.08.2020 10:39, Keith Busch wrote:
On Tue, Aug 18, 2020 at 07:29:12PM +0200, Javier Gonzalez wrote:
On 18.08.2020 09:58, Keith Busch wrote:
> On Tue, Aug 18, 2020 at 11:50:33AM +0200, Javier Gonzalez wrote:
> > a number of customers are requiring the use of normal writes, which we
> > want
On 8/18/20 7:53 PM, Muni Sekhar wrote:
> On Tue, Aug 18, 2020 at 11:06 PM Greg KH wrote:
>> On Tue, Aug 18, 2020 at 11:01:35PM +0530, Muni Sekhar wrote:
>>> On Tue, Aug 18, 2020 at 10:44 PM Greg KH wrote:
On Tue, Aug 18, 2020 at 10:24:13PM +0530, Muni Sekhar wrote:
> On Tue, Aug 18, 2020
On Mon, Aug 10, 2020 at 02:21:58AM +, Xu Wang wrote:
> seq_puts is a lot cheaper than seq_printf, so use that to print
> literal strings.
>
> Signed-off-by: Xu Wang
Applied, thanks.
- Ted
On Tue, Aug 18, 2020 at 12:28 AM Chenyi Qiang wrote:
>
>
>
> On 8/14/2020 1:31 AM, Jim Mattson wrote:
> > On Wed, Aug 12, 2020 at 10:42 PM Chenyi Qiang
> > wrote:
> >>
> >>
> >>
> >> On 8/13/2020 5:21 AM, Jim Mattson wrote:
> >>> On Fri, Aug 7, 2020 at 1:46 AM Chenyi Qiang
> >>> wrote:
>
Le 18/08/2020 à 20:05, Christoph Hellwig a écrit :
On Tue, Aug 18, 2020 at 07:46:22PM +0200, Christophe Leroy wrote:
I gave it a go on my powerpc mpc832x. I tested it on top of my newest
series that reworks the 32 bits signal handlers (see
https://patchwork.ozlabs.org/project/linuxppc-dev/lis
On Tue, 18 Aug 2020 15:56:48 +0800
Qingyu Li wrote:
> When creating a raw PF_BLUETOOTH socket,
> CAP_NET_RAW needs to be checked first.
>
Thanks for the patch! Your subject doesn't need to end in a period. In
your commit message, I can guess why you'd want this patch, but your
commit message sh
On Tue, 18 Aug 2020 16:07:03 +0800
Qingyu Li wrote:
> When creating a raw PF_BLUETOOTH socket,
> CAP_NET_RAW needs to be checked first.
>
These changes should be part of a series (patch 0,1,2 at least), and all
my replies on your other patch apply to this one as well.
On Tue, 18 Aug 2020 16:15:55 +0800
Qingyu Li wrote:
> When creating a raw PF_BLUETOOTH socket,
> CAP_NET_RAW needs to be checked first.
Please see my previous replies.
On Tue, 18 Aug 2020 16:21:03 +0800
Qingyu Li wrote:
> When creating a raw PF_BLUETOOTH socket,
> CAP_NET_RAW needs to be checked first.
>
> Signed-off-by: Qingyu Li
Please see my replies to your previous patches.
The following changes since commit 1d5cd4e7773c834db011f6f0989b1882adbf13c9:
Merge series "Some bug fix for lpspi" from Clark Wang
: (2020-07-29 14:51:14 +0100)
are available in the Git repository at:
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git
tags/spi-fix-v5.9-rc1
fo
On Tue, Aug 18, 2020 at 07:21:14PM +0200, Roger Pau Monné wrote:
> > Let me draw the picture from the beginning.
>
> Thanks, greatly appreciated.
>
> > EFI memory map contains various memory regions. Some of them are marked
> > as not needed after ExitBootServices() call (done in Xen before
> > l
On Tue, 18 Aug 2020 09:10:56 +
Xu Wang wrote:
> Remove unnecassary casts in the argument to kfree.
>
> Signed-off-by: Xu Wang
You seem to have several of these patches, they should be sent in a
series with the series patch subject (for example):
[PATCH net-next 0/n] fix up casts on kfree
When POE used, the current power routing is failing to power-up
the PMIC regulators which cause Linux boot hangs.
This patch is trying to update the power routing in order to
support Type C0 and POE powering methods.
As per the schematics, sys_12v is a common output power regulator
when type c an
We don't initially add anon pages to active lruvec after
commit b518154e59aa ("mm/vmscan: protect the workingset on anonymous LRU").
Remove activate_page() from unuse_pte(), which seems to be missed by
the commit. And make the function static while we are at it.
Before the commit, we called lru_ca
To activate a page, mark_page_accessed() always holds a reference
on it. It either gets a new reference when adding a page to
lru_pvecs.activate_page or reuses an existing one it previously
got when it added a page to lru_pvecs.lru_add. So it doesn't call
SetPageActive() on a page that doesn't have
Presumably __ClearPageWaiters() was added to follow the previously
removed __ClearPageActive() pattern.
Only flags that are in PAGE_FLAGS_CHECK_AT_FREE needs to be properly
cleared because otherwise we think there may be some kind of leak.
PG_waiters is not one of those flags and leaving the clear
OWAIT with explicit __GFP_KSWAPD_RECLAIM and
comment why we want that.
* Comment on effects of that keep multiple source nodes from
sharing target nodes
The full series is also available here:
https://github.com/hansendc/linux/tree/automigrate-20200818
--
We're starting to see sy
From: Dave Hansen
Prepare for the kernel to auto-migrate pages to other memory nodes
with a user defined node migration table. This allows creating single
migration target for each NUMA node to enable the kernel to do NUMA
page migrations instead of simply reclaiming colder pages. A node
with n
From: Keith Busch
Age and reclaim anonymous pages if a migration path is available. The
node has other recourses for inactive anonymous pages beyond swap,
#Signed-off-by: Keith Busch
Cc: Keith Busch
[vishal: fixup the migration->demotion rename]
Signed-off-by: Vishal Verma
Signed-off-by: Da
From: Yang Shi
The migrate_pages() returns the number of pages that were not migrated,
or an error code. When returning an error code, there is no way to know
how many pages were migrated or not migrated.
In the following patch, migrate_pages() is used to demote pages to PMEM
node, we need ac
From: Yang Shi
Account the number of demoted pages into reclaim_state->nr_demoted.
Add pgdemote_kswapd and pgdemote_direct VM counters showed in
/proc/vmstat.
[ daveh:
- __count_vm_events() a bit, and made them look at the THP
size directly rather than getting data from migrate_pages(
From: Dave Hansen
This is mostly derived from a patch from Yang Shi:
https://lore.kernel.org/linux-mm/1560468577-101178-10-git-send-email-yang@linux.alibaba.com/
Add code to the reclaim path (shrink_page_list()) to "demote" data
to another NUMA node instead of discarding the data
From: Dave Hansen
Some method is obviously needed to enable reclaim-based migration.
Just like traditional autonuma, there will be some workloads that
will benefit like workloads with more "static" configurations where
hot pages stay hot and cold pages stay cold. If pages come and go
from the
From: Dave Hansen
When memory fills up on a node, memory contents can be
automatically migrated to another node. The biggest problems are
knowing when to migrate and to where the migration should be
targeted.
The most straightforward way to generate the "to where" list
would be to follow the
From: Dave Hansen
Reclaim-based migration is attempting to optimize data placement in
memory based on the system topology. If the system changes, so must
the migration ordering.
The implementation here is pretty simple and entirely unoptimized. On
any memory or CPU hotplug events, assume tha
From: Dave Hansen
Global reclaim aims to reduce the amount of memory used on
a given node or set of nodes. Migrating pages to another
node serves this purpose.
memcg reclaim is different. Its goal is to reduce the
total memory consumption of the entire memcg, across all
nodes. Migration doe
On Tue, Aug 18, 2020 at 5:50 AM Miklos Szeredi wrote:
>
> How do you propose handling variable size attributes, like the list of
> fs options?
I really REALLY think those things should just be ASCII data.
I think marshalling binary data is actively evil and wrong. It's great
for well-specified w
Every iteration of for_each_available_child_of_node() decrements
reference count of the previous node, however when control
is transferred from the middle of the loop, as in the case of
a return or break or goto, there is no decrement thus ultimately
resulting in a memory leak.
Fix a potential mem
Reboot mode driver does not currently support reboot commands with
spaces in them [1]. Add an optional new node "reboot-mode-names" and
"reboot-mode-magic" which add an array of strings and u32s, respectively
which would permit any string in this framework.
Signed-off-by: Elliot Berman
---
drive
Convert reboot-mode bindings to YAML.
Signed-off-by: Elliot Berman
---
.../bindings/power/reset/reboot-mode.txt | 25
.../bindings/power/reset/reboot-mode.yaml | 47 ++
2 files changed, 47 insertions(+), 25 deletions(-)
delete mode 100644
Doc
Current reboot-mode device tree schema does not support reboot commands
with spaces in them [1]. Add an optional new node "reboot-mode-names"
and "reboot-mode-magic" which add an array of strings and u32s,
respectively which would permit any string in this framework.
[1]:
https://git.kernel.org/pu
Add reboot command magic values for pm8150 pon device.
Signed-off-by: Elliot Berman
---
arch/arm64/boot/dts/qcom/pm8150.dtsi | 5 +
1 file changed, 5 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/pm8150.dtsi
b/arch/arm64/boot/dts/qcom/pm8150.dtsi
index 1b64069..afd6231 100644
--- a/a
Resending with updated recepients and cover subject.
PM8150 uses reboot-mode framework to set magic values for bootloader to read
during next boot. dm-verity wants to use "dm-verity device corrupted" [1] as
the restart command, however the reboot-mode framework does not support spaces
in the comma
parse_options() in drivers/tty/serial/earlycon.c calls uart_parse_earlycon
in drivers/tty/serial/serial_core.c therefore selecting SERIAL_EARLYCON
should automatically select SERIAL_CORE, otherwise will result in symbol
not found error during linking if SERIAL_CORE is not configured as builtin
Sig
On Mon, Aug 17, 2020 at 05:13:21PM +0200, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.4.59 release.
> There are 270 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 Mon, Aug 17, 2020 at 05:15:31PM +0200, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 4.19.140 release.
> There are 168 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 kn
On Mon, Aug 17, 2020 at 05:10:50PM +0200, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.7.16 release.
> There are 393 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 Mon, Aug 17, 2020 at 05:09:13PM +0200, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.8.2 release.
> There are 464 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 Tue, 18 Aug 2020 23:46:11 +0800 Ooi, Joyce wrote:
> From: Dalon Westergreen
>
> Add support for the ptp clock used with the tse, and update
> the driver to support timestamping when enabled. We also
> enable debugfs entries for the ptp clock to allow some user
> control and interaction with t
On Tue, 18 Aug 2020 23:46:12 +0800 Ooi, Joyce wrote:
> From: Dalon Westergreen
>
> Add support for the mSGDMA prefetcher. The prefetcher adds support
> for a linked list of descriptors in system memory. The prefetcher
> feeds these to the mSGDMA dispatcher.
This generates warnings on 32bit bui
On Tue, Aug 18, 2020 at 1:18 PM Paul E. McKenney wrote:
>
> On Mon, Aug 17, 2020 at 06:03:54PM -0400, Joel Fernandes wrote:
> > On Fri, Aug 14, 2020 at 2:51 PM Uladzislau Rezki wrote:
> > >
> > > > From: Zqiang
> > > >
> > > > Due to cpu hotplug. some cpu may be offline after call "kfree_call_rc
On Mon, Aug 17, 2020 at 2:04 PM Yang Shi wrote:
>
> We could just skip the spurious TLB flush to mitigate the regression.
Ok, this patch I will apply.
I still hope that arm64 fixes (maybe already fixed) their spurious TLB
function, and I think we should rename it to make sure everybody
understan
On 2020-08-18 18:48, Saravana Kannan wrote:
On Tue, Aug 18, 2020 at 10:34 AM Marc Zyngier wrote:
[...]
OK. So how about something like this?
diff --git a/drivers/of/address.c b/drivers/of/address.c
index 590493e04b01..a7a6ee599b14 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
On Tue, 2020-08-18 at 11:44 -0700, Jesse Brandeburg wrote:
> On Tue, 18 Aug 2020 09:10:56 +
> Xu Wang wrote:
>
> > Remove unnecassary casts in the argument to kfree.
> >
> > Signed-off-by: Xu Wang
>
> You seem to have several of these patches, they should be sent in a
> series with the ser
On 2020-08-18 10:56, Nick Desaulniers wrote:
>>
>> The problem here is twofold:
>>
>> 1. The user would be expected to know what kind of the optimizations the
>> compiler can do on what function, which is private knowledge to the
>> compiler.
>>
>> 2. The only way to override -fno-builtin is by a h
Pavel
On 8/12/20 2:32 PM, Dan Murphy wrote:
Update the binding examples for the color ID to LED_COLOR_ID_RGB
Signed-off-by: Dan Murphy
---
Documentation/devicetree/bindings/leds/leds-lp55xx.yaml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bin
On Tue, Aug 18, 2020 at 1:03 PM Marc Zyngier wrote:
>
> On 2020-08-18 18:48, Saravana Kannan wrote:
> > On Tue, Aug 18, 2020 at 10:34 AM Marc Zyngier wrote:
>
> [...]
>
> >> OK. So how about something like this?
> >>
> >> diff --git a/drivers/of/address.c b/drivers/of/address.c
> >> index 590493e
On 8/17/20 12:56 PM, Chris Down wrote:
Shakeel Butt writes:
Sometimes, memory reclaim may not be able to recover memory in a rate
that can catch up to the physical memory allocation rate especially
when rotating disks are used for swapping or writing dirty pages. In
this case, the physical memor
On Tue, Aug 18, 2020 at 12:03 PM H. Peter Anvin wrote:
>
> I'm not saying "change the semantics", nor am I saying that playing
> whack-a-mole *for a limited time* is unreasonable. But I would like to go back
> to the compiler authors and get them to implement such a #pragma: "this
> freestanding i
On 8/17/20 12:44 PM, Shakeel Butt wrote:
On Mon, Aug 17, 2020 at 7:11 AM Waiman Long wrote:
Memory controller can be used to control and limit the amount of
physical memory used by a task. When a limit is set in "memory.high"
in a non-root memory cgroup, the memory controller will try to reclai
On 8/17/20 3:26 PM, Michal Hocko wrote:
On Mon 17-08-20 11:55:37, Waiman Long wrote:
On 8/17/20 11:26 AM, Michal Hocko wrote:
On Mon 17-08-20 10:08:23, Waiman Long wrote:
Memory controller can be used to control and limit the amount of
physical memory used by a task. When a limit is set in "me
On Mon, Aug 17, 2020 at 03:31:26PM -0700, H. Peter Anvin wrote:
> On 2020-08-17 15:02, Nick Desaulniers wrote:
> > LLVM implemented a recent "libcall optimization" that lowers calls to
> > `sprintf(dest, "%s", str)` where the return value is used to
> > `stpcpy(dest, str) - dest`. This generally av
On Tue, Aug 18, 2020 at 12:26 AM SeongJae Park wrote:
>
> From: SeongJae Park
>
> This commit adds more test cases for the new feature, 'init_regions'.
>
> Signed-off-by: SeongJae Park
Reviewed-by: Brendan Higgins
On Mon, Aug 17, 2020 at 03:02:09PM -0700, Nick Desaulniers wrote:
> LLVM implemented a recent "libcall optimization" that lowers calls to
> `sprintf(dest, "%s", str)` where the return value is used to
> `stpcpy(dest, str) - dest`. This generally avoids the machinery involved
> in parsing format str
On Mon, Aug 17, 2020 at 03:02:11PM -0700, Nick Desaulniers wrote:
> We're reverting
> commit 5f074f3e192f ("lib/string.c: implement a basic bcmp")
> in favor of -fno-builtin-bcmp. Remove the additional definition here,
> too.
>
> arch/x86/purgatory/Makefile uses -ffreestanding, so there's no risk
On Mon, Aug 17, 2020 at 03:02:12PM -0700, Nick Desaulniers wrote:
> -ffreestanding typically inhibits "libcall optimizations" where calls to
> certain library functions can be replaced by the compiler in certain
> cases to calls to other library functions that may be more efficient.
> This can be p
On Tue, Aug 18, 2020 at 11:00:01AM -0700, Nick Desaulniers wrote:
> On Mon, Aug 17, 2020 at 10:44 PM Nathan Chancellor
> wrote:
> >
> > On Mon, Aug 17, 2020 at 03:02:10PM -0700, Nick Desaulniers wrote:
> > > This reverts commit 5f074f3e192f10c9fade898b9b3b8812e3d83342.
> > >
> > > Use `-fno-builti
By default, coccicheck utilizes all available threads to implement
parallelisation. However, when all available threads are used,
a decrease in performance is noted. The elapsed time is minimum
when at most one thread per core is used.
For example, on benchmarking the semantic patch kfree.cocci f
On Tue, Aug 18, 2020 at 12:19 PM Linus Torvalds
wrote:
>
> On Tue, Aug 18, 2020 at 12:03 PM H. Peter Anvin wrote:
> >
> > I'm not saying "change the semantics", nor am I saying that playing
> > whack-a-mole *for a limited time* is unreasonable. But I would like to go
> > back
> > to the compiler
"tReceiverResponse 15 ms Section 6.6.2
The receiver of a Message requiring a response Shall respond
within tReceiverResponse in order to ensure that the
sender’s SenderResponseTimer does not expire."
When the cpu complex is busy running other lower priority
work items, TCPM's work queue sometimes
On Mon, Aug 17, 2020 at 09:32:08AM +0200, Christoph Hellwig wrote:
> At least for 64-bit this moves them closer to some of the defines
> they are based on, and it prepares for using the TASK_SIZE_MAX
> definition from assembly.
>
> Signed-off-by: Christoph Hellwig
Reviewed-by: Kees Cook
--
Ke
On 8/18/20 5:14 AM, pet...@infradead.org wrote:
On Mon, Aug 17, 2020 at 10:08:23AM -0400, Waiman Long wrote:
Memory controller can be used to control and limit the amount of
physical memory used by a task. When a limit is set in "memory.high" in
a v2 non-root memory cgroup, the memory controller
On 8/18/20 5:27 AM, Chris Down wrote:
pet...@infradead.org writes:
On Mon, Aug 17, 2020 at 10:08:23AM -0400, Waiman Long wrote:
Memory controller can be used to control and limit the amount of
physical memory used by a task. When a limit is set in "memory.high" in
a v2 non-root memory cgroup, t
If the specified/hinted sink is not reachable from a subset of the CPUs,
we could end up unable to trace the event on those CPUs. This
is the best effort we could do until we support 1:1 configurations.
Fail gracefully in such cases avoiding a WARN_ON, which can be easily
triggered by the user on c
On Sun, May 31, 2020 at 02:47:15PM +0100, Jonathan Cameron wrote:
> On Wed, 27 May 2020 04:50:46 +
> "Ardelean, Alexandru" wrote:
>
> > On Tue, 2020-05-26 at 23:02 +0200, Rikard Falkeborn wrote:
> > > [External]
> > >
> > > These are never modified and can be made const to allow the compiler
On Mon, Aug 17, 2020 at 09:32:07AM +0200, Christoph Hellwig wrote:
> Once we can't manipulate the address limit, we also can't test what
> happens when the manipulation is abused.
>
> Signed-off-by: Christoph Hellwig
> ---
> drivers/misc/lkdtm/bugs.c | 2 ++
> drivers/misc/lkdtm/core.c |
On Fri, Aug 14, 2020 at 9:49 PM Aleksander Jan Bajkowski wrote:
>
> Ar10 (xr300) has 3 and grx390 (xrx330) has 4 built-in GPHY. PHY LEDs are
> connected via STP. STP is a peripheral controller used to drive external
> shift register cascades. The hardware is able to allow the GPHY to drive
> some
On Mon, Aug 17, 2020 at 09:32:02AM +0200, Christoph Hellwig wrote:
> There is no good reason to implement both the traditional ->read and
> ->write as well as the iter based ops. So implement just the iter
> based ones.
>
> Suggested-by: Al Viro
> Signed-off-by: Christoph Hellwig
Reviewed-by:
On Mon, Aug 17, 2020 at 09:32:03AM +0200, Christoph Hellwig wrote:
> Don't allow calling ->read or ->write with set_fs as a preparation for
> killing off set_fs. All the instances that we use kernel_read/write on
> are using the iter ops already.
>
> If a file has both the regular ->read/->write
From: Xu Wang
Date: Tue, 18 Aug 2020 08:54:54 +
> @@ -197,11 +197,7 @@ static int rpl_do_srh(struct sk_buff *skb, const struct
> rpl_lwt *rlwt)
>
> tinfo = rpl_encap_lwtunnel(dst->lwtstate);
>
> - err = rpl_do_srh_inline(skb, rlwt, tinfo->srh);
> - if (err)
> -
On Tue, Aug 18, 2020 at 12:03 PM H. Peter Anvin wrote:
>
> I'm not saying "change the semantics", nor am I saying that playing
> whack-a-mole *for a limited time* is unreasonable.
Ah, ok then. Sorry I mischaracterized your position.
> But I would like to go back
> to the compiler authors and ge
On Mon, Aug 17, 2020 at 09:32:04AM +0200, Christoph Hellwig wrote:
> default_file_splice_write is the last piece of generic code that uses
> set_fs to make the uaccess routines operate on kernel pointers. It
> implements a "fallback loop" for splicing from files that do not actually
> provide a pr
On Mon, Aug 17, 2020 at 09:32:05AM +0200, Christoph Hellwig wrote:
> Add a CONFIG_SET_FS option that is selected by architecturess that
> implement set_fs, which is all of them initially. If the option is not
> set stubs for routines related to overriding the address space are
> provided so that a
On Mon, Aug 17, 2020 at 09:32:06AM +0200, Christoph Hellwig wrote:
> We can't run the tests for userspace bitmap parsing if set_fs() doesn't
> exist.
>
> Signed-off-by: Christoph Hellwig
Reviewed-by: Kees Cook
--
Kees Cook
On Mon, Aug 17, 2020 at 09:32:09AM +0200, Christoph Hellwig wrote:
> For 64-bit the only hing missing was a strategic _AC, and for 32-bit we
typo: thing
> need to use __PAGE_OFFSET instead of PAGE_OFFSET in the TASK_SIZE
> definition to escape the explicit unsigned long cast. This just works
> b
From: Miaohe Lin
Date: Tue, 18 Aug 2020 07:41:32 -0400
> @@ -417,7 +417,7 @@ static void sock_warn_obsolete_bsdism(const char *name)
> {
> static int warned;
> static char warncomm[TASK_COMM_LEN];
> - if (strcmp(warncomm, current->comm) && warned < 5) {
> + if (warned < 5 &&
On Mon, Aug 17, 2020 at 09:32:10AM +0200, Christoph Hellwig wrote:
> Stop providing the possibility to override the address space using
> set_fs() now that there is no need for that any more. To properly
> handle the TASK_SIZE_MAX checking for 4 vs 5-level page tables on
> x86 a new alternative is
From: Miaohe Lin
Date: Tue, 18 Aug 2020 08:07:13 -0400
> Convert the uses of fallthrough comments to fallthrough macro.
>
> Signed-off-by: Miaohe Lin
Applied to net-next.
On Wed, Aug 19, 2020 at 12:33:37AM +0800, Coly Li wrote:
> On 2020/8/19 00:24, Christoph Hellwig wrote:
> > I think we should go for something simple like this instead:
>
> This idea is fine to me. Should a warning message be through here? IMHO
> the driver still sends an improper page in, fix it
On Wed, Aug 05, 2020 at 05:46:28PM -0700, Scott Branden wrote:
> This patch series drops previous patches in [1]
> that were incorporated by Kees Cook into patch series
> "Introduce partial kernel_read_file() support" [2].
>
> Remaining patches are contained in this series to add Broadcom VK drive
Christoph Hellwig writes:
> On Mon, Aug 17, 2020 at 06:46:58PM -0300, Thiago Jung Bauermann wrote:
>> POWER secure guests (i.e., guests which use the Protection Execution
>> Facility) need to use SWIOTLB to be able to do I/O with the hypervisor, but
>> they don't need the SWIOTLB memory to be i
From: Wang Hai
Date: Tue, 18 Aug 2020 21:44:04 +0800
> Fix the missing free_netdev() before return from
> gemini_ethernet_port_probe() in the error handling case.
>
> Fixes: 4d5ae32f5e1e ("net: ethernet: Add a driver for Gemini gigabit
> ethernet")
> Reported-by: Hulk Robot
> Signed-off-by: Wa
From: Alex Dewar
Date: Tue, 18 Aug 2020 15:06:01 +0100
> Remove a couple of unused #defines in cs89x0.h.
>
> Signed-off-by: Alex Dewar
Applied to net-next.
On Tue, Aug 18, 2020 at 12:39:34PM -0700, Kees Cook wrote:
> On Mon, Aug 17, 2020 at 09:32:04AM +0200, Christoph Hellwig wrote:
> > default_file_splice_write is the last piece of generic code that uses
> > set_fs to make the uaccess routines operate on kernel pointers. It
> > implements a "fallbac
On Tue, Aug 18, 2020 at 12:44:49PM -0700, Kees Cook wrote:
> On Mon, Aug 17, 2020 at 09:32:09AM +0200, Christoph Hellwig wrote:
> > For 64-bit the only hing missing was a strategic _AC, and for 32-bit we
>
> typo: thing
>
> > need to use __PAGE_OFFSET instead of PAGE_OFFSET in the TASK_SIZE
> > d
On Tue, 2020-08-18 at 08:26 -0400, Miaohe Lin wrote:
> Convert the uses of fallthrough comments to fallthrough macro.
>
> Signed-off-by: Miaohe Lin
> ---
> net/ceph/ceph_hash.c| 20 ++--
> net/ceph/crush/mapper.c | 2 +-
> net/ceph/messenger.c| 4 ++--
> net/ceph/mon_cl
On Tue, Aug 18, 2020 at 11:13:10AM -0700, Nick Desaulniers wrote:
> On Tue, Aug 18, 2020 at 10:04 AM Alex Dewar wrote:
> >
> > Depending on config options, account_other_time() may not be called
> > anywhere. Add __maybe_unused flag to fix clang warning.
>
> Just curious, would moving this defini
On Tue, Aug 18, 2020 at 09:54:46PM +0200, Christoph Hellwig wrote:
> On Tue, Aug 18, 2020 at 12:39:34PM -0700, Kees Cook wrote:
> > On Mon, Aug 17, 2020 at 09:32:04AM +0200, Christoph Hellwig wrote:
> > > default_file_splice_write is the last piece of generic code that uses
> > > set_fs to make the
On Tue, Aug 18, 2020 at 09:55:39PM +0200, Christoph Hellwig wrote:
> On Tue, Aug 18, 2020 at 12:44:49PM -0700, Kees Cook wrote:
> > On Mon, Aug 17, 2020 at 09:32:09AM +0200, Christoph Hellwig wrote:
> > > For 64-bit the only hing missing was a strategic _AC, and for 32-bit we
> >
> > typo: thing
>
On Tue, Aug 18, 2020 at 12:25 PM Nick Desaulniers
wrote:
>
> On Tue, Aug 18, 2020 at 12:19 PM Linus Torvalds
> wrote:
> >
> > On Tue, Aug 18, 2020 at 12:03 PM H. Peter Anvin wrote:
> > >
> > > I'm not saying "change the semantics", nor am I saying that playing
> > > whack-a-mole *for a limited t
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