From: Hao Si
The local variable 'cpumask_t mask' is in the stack memory, and its address
is assigned to 'desc->affinity' in 'irq_set_affinity_hint()'.
But the memory area where this variable is located is at risk of being
modified.
During LTP testing, the following error was generated:
Unable t
Le 15/10/2020 à 17:01, Christopher M. Riedl a écrit :
Functions called between user_*_access_begin() and user_*_access_end()
should be either inlined or marked 'notrace' to prevent leaving
userspace access exposed. Mark any such functions relevant to signal
handling so that subsequent patches
Hello Alexandre,
On Fri, Oct 16, 2020 at 09:08:23AM +0200, Alexandre Torgue wrote:
> Hi Serge,
>
> On 10/14/20 12:14 PM, Serge Semin wrote:
> > In accordance with the Generic EHCI/OHCI bindings the corresponding node
> > name is suppose to comply with the Generic USB HCD DT schema, which
> > requ
On Fri, Oct 16, 2020 at 07:56:16AM +0100, Christoph Hellwig wrote:
> On Thu, Oct 15, 2020 at 10:01:54AM -0500, Christopher M. Riedl wrote:
> > Functions called between user_*_access_begin() and user_*_access_end()
> > should be either inlined or marked 'notrace' to prevent leaving
> > userspace acc
Hi Serge,
On 10/14/20 12:14 PM, Serge Semin wrote:
In accordance with the Generic EHCI/OHCI bindings the corresponding node
name is suppose to comply with the Generic USB HCD DT schema, which
requires the USB nodes to have the name acceptable by the regexp:
"^usb(@.*)?" . Let's fix the DTS files
On Wed, 14 Oct 2020 14:28:11 -0400, Qian Cai wrote:
> This reverts commit 3a3181e16fbde752007759f8759d25e0ff1fc425 which
> causes memory corruptions on POWER9 NV.
Applied to powerpc/next.
[1/1] Revert "powerpc/pci: unmap legacy INTx interrupts when a PHB is removed"
https://git.kernel.org/p
On Wed, 14 Oct 2020 13:47:11 +1100, Oliver O'Halloran wrote:
> The kselftests test running infrastructure expects tests to finish with an
> exit code of 4 if the test decided it should be skipped. Currently
> eeh-basic.sh exits with the number of devices that failed to recover, so if
> four devices
On Wed, 14 Oct 2020 12:18:13 +0530, Aneesh Kumar K.V wrote:
> Even though we use self removing sysfs helper, we still need
> to make sure we do the final kobject delete conditionally.
> sysfs_remove_file_self() will handle parallel calls to remove
> the sysfs attribute file and returns true only in
On Fri, 9 Oct 2020 12:10:03 +0530, Ganesh Goudar wrote:
> This patch series fixes mce handling for pseries, Adds LKDTM test
> for SLB multihit recovery and enables selftest for the same,
> basically to test MCE handling on pseries/powernv machines running
> in hash mmu mode.
>
> v4:
> * Use radix_
Le 15/10/2020 à 17:01, Christopher M. Riedl a écrit :
Implement raw_copy_from_user_allowed() which assumes that userspace read
access is open. Use this new function to implement raw_copy_from_user().
Finally, wrap the new function to follow the usual "unsafe_" convention
of taking a label argu
Le 16/10/2020 à 08:54, Christoph Hellwig a écrit :
On Thu, Oct 15, 2020 at 10:01:52AM -0500, Christopher M. Riedl wrote:
Implement raw_copy_from_user_allowed() which assumes that userspace read
access is open. Use this new function to implement raw_copy_from_user().
Finally, wrap the new func
Le 15/10/2020 à 17:01, Christopher M. Riedl a écrit :
Reuse the "safe" implementation from signal.c except for calling
unsafe_copy_from_user() to copy into a local buffer. Unlike the
unsafe_copy_{vsx,fpr}_to_user() functions the "copy from" functions
cannot use unsafe_get_user() directly to by
Le 15/10/2020 à 17:01, Christopher M. Riedl a écrit :
From: Daniel Axtens
Previously setup_trampoline() performed a costly KUAP switch on every
uaccess operation. These repeated uaccess switches cause a significant
drop in signal handling performance.
Rewrite setup_trampoline() to assume th
Le 15/10/2020 à 17:01, Christopher M. Riedl a écrit :
From: Daniel Axtens
Add uaccess blocks and use the 'unsafe' versions of functions doing user
access where possible to reduce the number of times uaccess has to be
opened/closed.
There is no 'unsafe' version of copy_siginfo_to_user, so mo
Le 15/10/2020 à 17:01, Christopher M. Riedl a écrit :
From: Daniel Axtens
Add uaccess blocks and use the 'unsafe' versions of functions doing user
access where possible to reduce the number of times uaccess has to be
opened/closed.
Signed-off-by: Daniel Axtens
Signed-off-by: Christopher M.
onfig
i386 randconfig-a005-20201014
i386 randconfig-a006-20201014
i386 randconfig-a001-20201014
i386 randconfig-a003-20201014
i386 randconfig-a004-20201014
i386 randconfig-a002-20201014
i386 randconfig-a00
01014
i386 randconfig-a003-20201014
i386 randconfig-a004-20201014
i386 randconfig-a002-20201014
i386 randconfig-a005-20201016
i386 randconfig-a006-20201016
i386 randconfig-a001-20201016
i386 randc
On Wed, Oct 14, 2020 at 08:27:10PM +0300, Serge Semin wrote:
> On Wed, Oct 14, 2020 at 08:27:56AM -0500, Rob Herring wrote:
> > On Wed, 14 Oct 2020 13:13:46 +0300, Serge Semin wrote:
> > > The host controller device might be designed to work for the particular
> > > products or applications. In tha
On Tue, 13 Oct 2020 15:17:33 +0300, Viorel Suman (OSS) wrote:
> From: Viorel Suman
>
> XCVR (Audio Transceiver) is a new IP module found on i.MX8MP.
>
> Signed-off-by: Viorel Suman
> ---
> .../devicetree/bindings/sound/fsl,xcvr.yaml | 104 ++
> 1 file changed, 104 insertions(
On Wed, 14 Oct 2020 13:13:43 +0300, Serge Semin wrote:
> The generic USB HCD properties have been described in the legacy bindings
> text file: Documentation/devicetree/bindings/usb/generic.txt . Let's
> convert it' content into the USB HCD DT schema properties so all USB DT
> nodes would be valida
On Wed, 14 Oct 2020 13:13:44 +0300, Serge Semin wrote:
> There are only four OTG revisions are currently supported by the kernel:
> 0x0100, 0x0120, 0x0130, 0x0200. Any another value is considered as
> invalid.
>
> Signed-off-by: Serge Semin
> ---
> Documentation/devicetree/bindings/usb/usb-hcd.y
On Wed, 14 Oct 2020 13:13:45 +0300, Serge Semin wrote:
> Aside from the UTMI+ there are also ULPI, Serial and HSIC PHY types
> that can be specified in the phy_type HCD property. Add them to the
> enumeration of the acceptable values.
>
> Signed-off-by: Serge Semin
>
> ---
>
> Changelog v2:
> -
On Wed, 14 Oct 2020 13:13:46 +0300, Serge Semin wrote:
> The host controller device might be designed to work for the particular
> products or applications. In that case its DT node is supposed to be
> equipped with the tpl-support property.
>
> Signed-off-by: Serge Semin
>
> ---
>
> Changelog
On Wed, 14 Oct 2020 13:13:47 +0300, Serge Semin wrote:
> Even though the Generic PHY framework is the more preferable way of
> setting the USB PHY up, there are still many dts-files and DT bindings
> which rely on having the legacy "usb-phy" specified to attach particular
> USB PHYs to USB cores. L
On Wed, 14 Oct 2020 13:13:48 +0300, Serge Semin wrote:
> Currently the DT bindings of Generic xHCI Controllers are described by means
> of the legacy text file. Since such format is deprecated in favor of the
> DT schema, let's convert the Generic xHCI Controllers bindings file to the
> correspondi
On Wed, 14 Oct 2020 13:13:49 +0300, Serge Semin wrote:
> For some reason the "brcm,xhci-brcm-v2" compatible string has been missing
> in the original bindings file. Add it to the Generic xHCI Controllers DT
> schema since the controller driver expects it to be supported.
>
> Signed-off-by: Serge S
On Wed, 14 Oct 2020 13:13:50 +0300, Serge Semin wrote:
> With minor peculiarities (like uploading some vendor-specific firmware)
> these are just Generic xHCI controllers fully compatible with its
> properties. Make sure the Renesas USB xHCI DT nodes are also validated
> against the Generic xHCI DT
On Wed, 14 Oct 2020 13:13:52 +0300, Serge Semin wrote:
> The controller driver supports two types of DWC USB3 devices: with a
> common interrupt lane and with individual interrupts for each mode. Add
> support for both these cases to the DWC USB3 DT schema.
>
> Signed-off-by: Serge Semin
>
> ---
On Thu, Oct 15, 2020 at 12:35:54AM +0300, Serge Semin wrote:
> On Wed, Oct 14, 2020 at 10:18:18PM +0200, Krzysztof Kozlowski wrote:
> > On Wed, Oct 14, 2020 at 01:13:53PM +0300, Serge Semin wrote:
> > > The DWC USB3 driver and some DTS files like Exynos 5250, Keystone k2e, etc
> > > expects the DWC
On Wed, 14 Oct 2020 13:13:54 +0300, Serge Semin wrote:
> In accordance with the driver comments the PIPE3 de-emphasis can be tuned
> to be either -6dB, -2.5dB or disabled. Let's add the de-emphasis
> property restriction so the DT schema would make sure the controller DT
> node is equipped with cor
On Wed, 14 Oct 2020 13:13:55 +0300, Serge Semin wrote:
> In accordance with the IP core databook the
> snps,quirk-frame-length-adjustment property can be set within [0, 0x3F].
> Let's make sure the DT schema applies a correct restriction on the
> property.
>
> Signed-off-by: Serge Semin
> ---
>
On Wed, 14 Oct 2020 13:13:56 +0300, Serge Semin wrote:
> An empty snps,quirk-frame-length-adjustment won't cause any change
> performed by the driver. Moreover the DT schema validation will fail,
> since it expects the property being assigned with some value. So set
> fix the example by setting a v
On Wed, 14 Oct 2020 13:13:57 +0300, Serge Semin wrote:
> Amlogic G12A USB DT sub-nodes are supposed to be compatible with the
> generic DWC USB2 and USB3 devices. Since now we've got DT schemas for
> both of the later IP cores let's make sure that the Amlogic G12A USB
> DT nodes are fully evaluated
On Wed, 14 Oct 2020 13:13:58 +0300, Serge Semin wrote:
> TI Keystone DWC3 compatible DT node is supposed to have a DWC USB3
> compatible sub-node to describe a fully functioning USB interface.
> Since DWC USB3 has now got a DT schema describing its DT node, let's make
> sure the TI Keystone DWC3 su
On Wed, 14 Oct 2020 13:13:59 +0300, Serge Semin wrote:
> Qualcomm msm8996/sc7180/sdm845 DWC3 compatible DT nodes are supposed to
> have a DWC USB3 compatible sub-node to describe a fully functioning USB
> interface. Let's use the available DWC USB3 DT schema to validate the
> Qualcomm DWC3 sub-node
On Thu, Oct 15, 2020 at 8:24 PM Michael Ellerman wrote:
>
> Just two minor conflicts I'm aware of. The only slight subtlety is the
> conflict
> in kasan_init() where "int ret" needs to move out of the for_each_mem_range()
> and up to the function scope.
Well, there was also a conflict for the de
The pull request you sent on Fri, 16 Oct 2020 14:24:39 +1100:
> https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git
> tags/powerpc-5.10-1
has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/96685f8666714233d34abb71b242448c80077536
Thank you!
--
Deet-doot-d
On Mon, Sep 07, 2020 at 11:13:47PM +1000, Nicholas Piggin wrote:
> Excerpts from Michael Ellerman's message of August 31, 2020 8:50 pm:
> > Michal Suchánek writes:
> >> On Mon, Aug 31, 2020 at 11:14:18AM +1000, Nicholas Piggin wrote:
> >>> Excerpts from Michal Suchánek's message of August 31, 2020
> -Original Message-
> From: Yi Wang
> Sent: Friday, October 16, 2020 1:49 AM
> To: Roy Pledge ; Laurentiu Tudor
>
> Cc: Leo Li ; linux-ker...@vger.kernel.org; linuxppc-
> d...@lists.ozlabs.org; linux-arm-ker...@lists.infradead.org;
> xue.zhih...@zte.com.cn; wang.y...@zte.com.cn; jiang.
> -Original Message-
> From: Leo Li
> Sent: Friday, October 16, 2020 4:20 PM
> To: 'Yi Wang' ; Roy Pledge ;
> Laurentiu Tudor
> Cc: linux-ker...@vger.kernel.org; linuxppc-dev@lists.ozlabs.org; linux-arm-
> ker...@lists.infradead.org; xue.zhih...@zte.com.cn;
> jiang.xue...@zte.com.cn; Hao
On Wed, Oct 14, 2020 at 12:14 PM Serge Semin
wrote:
>
> An empty snps,quirk-frame-length-adjustment won't cause any change
> performed by the driver. Moreover the DT schema validation will fail,
> since it expects the property being assigned with some value. So set
> fix the example by setting a v
On Wed, Oct 14, 2020 at 12:14 PM Serge Semin
wrote:
>
> Amlogic G12A USB DT sub-nodes are supposed to be compatible with the
> generic DWC USB2 and USB3 devices. Since now we've got DT schemas for
> both of the later IP cores let's make sure that the Amlogic G12A USB
> DT nodes are fully evaluated
-a005-20201016
i386 randconfig-a006-20201016
i386 randconfig-a001-20201016
i386 randconfig-a003-20201016
i386 randconfig-a004-20201016
i386 randconfig-a002-20201016
x86_64 randconfig-a016-20201016
x86_64
On Tue, Oct 13, 2020 at 03:17:32PM +0300, Viorel Suman (OSS) wrote:
> From: Viorel Suman
>
> XCVR (Audio Transceiver) is a on-chip functional module found
> on i.MX8MP. It support HDMI2.1 eARC, HDMI1.4 ARC and SPDIF.
>
> Signed-off-by: Viorel Suman
Acked-by: Nicolin Chen
Both .dynamic and .got are RELRO sections and should be placed together,
and LLD emits an error:
ld.lld: error: section: .got is not contiguous with other relro sections
Place them together to avoid this.
Cc: Fangrui Song
Cc: Alan Modra
Signed-off-by: Bill Wendling
---
arch/powerpc/boot/zI
The "-z notext" flag disables reporting an error if DT_TEXTREL is set.
ld.lld: error: can't create dynamic relocation R_PPC64_ADDR64 against
symbol: _start in readonly segment; recompile object files with
-fPIC or pass '-Wl,-z,notext' to allow text relocations in the
output
>>> def
These patches fix some compilation / linking issues with clang & lld.
Bill Wendling (2):
powerpc/wrapper: Add "-z notext" flag to disable diagnostic
powerpc/boot: Use clang when CC is clang
arch/powerpc/boot/Makefile | 4
arch/powerpc/boot/wrapper | 6 --
2 files changed, 8 inserti
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