On 07 November 2019 at 10:53 am, Christian Zigotzky wrote:
On 05 November 2019 at 5:28 pm, Christoph Hellwig wrote:
On Tue, Nov 05, 2019 at 08:56:27AM +0100, Christian Zigotzky wrote:
Hi All,
We still have DMA problems with some PCI devices. Since the PowerPC
updates
4.21-1 [1] we need to dec
https://bugzilla.kernel.org/show_bug.cgi?id=205201
--- Comment #11 from Christian Zigotzky (chzigot...@xenosoft.de) ---
Christoph,
Do you have another patch for testing or shall I bisect?
Thanks,
Christian
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From: YueHaibing
[ Upstream commit bacade822524e02f662d88f784d2ae821a5546fb ]
The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, so make sure the implementation in
this driver has returns 'netdev_tx_t' value, and change the function
return
From: Rob Herring
[ Upstream commit 53dd9dce6979bc54d64a3a09a2fb20187a025be7 ]
The next update of libfdt has a new dependency on INT_MAX. Update the
instances of libfdt_env.h in the kernel to either include the necessary
header with the definition or define it locally.
Cc: Russell King
Cc: Ben
From: Nathan Fontenot
[ Upstream commit 85a88cabad57d26d826dd94ea34d3a785824d802 ]
When performing partition migrations all present CPUs must be online
as all present CPUs must make the H_JOIN call as part of the migration
process. Once all present CPUs make the H_JOIN call, one CPU is returned
From: Breno Leitao
[ Upstream commit 984ecdd68de0fa1f63ce205d6c19ef5a7bc67b40 ]
The tbl pointer is being derefenced by IOMMU_PAGE_SIZE prior the check
if it is not NULL.
Just moving the dereference code to after the check, where there will
be guarantee that 'tbl' will not be NULL.
Signed-off-b
From: Nicholas Piggin
[ Upstream commit 09b4438db13fa83b6219aee5993711a2aa2a0c64 ]
This causes SLB alloation to start 1 beyond the start of the SLB.
There is no real problem because after it wraps it stats behaving
properly, it's just surprisig to see when looking at SLB traces.
Signed-off-by:
From: YueHaibing
[ Upstream commit bacade822524e02f662d88f784d2ae821a5546fb ]
The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, so make sure the implementation in
this driver has returns 'netdev_tx_t' value, and change the function
return
From: Rob Herring
[ Upstream commit 53dd9dce6979bc54d64a3a09a2fb20187a025be7 ]
The next update of libfdt has a new dependency on INT_MAX. Update the
instances of libfdt_env.h in the kernel to either include the necessary
header with the definition or define it locally.
Cc: Russell King
Cc: Ben
From: Nathan Fontenot
[ Upstream commit 85a88cabad57d26d826dd94ea34d3a785824d802 ]
When performing partition migrations all present CPUs must be online
as all present CPUs must make the H_JOIN call as part of the migration
process. Once all present CPUs make the H_JOIN call, one CPU is returned
From: Nicholas Piggin
[ Upstream commit 09b4438db13fa83b6219aee5993711a2aa2a0c64 ]
This causes SLB alloation to start 1 beyond the start of the SLB.
There is no real problem because after it wraps it stats behaving
properly, it's just surprisig to see when looking at SLB traces.
Signed-off-by:
From: Breno Leitao
[ Upstream commit 984ecdd68de0fa1f63ce205d6c19ef5a7bc67b40 ]
The tbl pointer is being derefenced by IOMMU_PAGE_SIZE prior the check
if it is not NULL.
Just moving the dereference code to after the check, where there will
be guarantee that 'tbl' will not be NULL.
Signed-off-b
From: YueHaibing
[ Upstream commit 06983aa526c759ebdf43f202d8d0491d9494e2f4 ]
The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, so make sure the implementation in
this driver has returns 'netdev_tx_t' value, and change the function
return
From: YueHaibing
[ Upstream commit bacade822524e02f662d88f784d2ae821a5546fb ]
The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, so make sure the implementation in
this driver has returns 'netdev_tx_t' value, and change the function
return
From: Rob Herring
[ Upstream commit 53dd9dce6979bc54d64a3a09a2fb20187a025be7 ]
The next update of libfdt has a new dependency on INT_MAX. Update the
instances of libfdt_env.h in the kernel to either include the necessary
header with the definition or define it locally.
Cc: Russell King
Cc: Ben
From: Anton Blanchard
[ Upstream commit e00d93ac9a189673028ac125a74b9bc8ae73eebc ]
This re-applies commit b91c1e3e7a6f ("powerpc: Fix duplicate const
clang warning in user access code") (Jun 2015) which was undone in
commits:
f2ca80905929 ("powerpc/sparse: Constify the address pointer in
__ge
From: Nathan Fontenot
[ Upstream commit 85a88cabad57d26d826dd94ea34d3a785824d802 ]
When performing partition migrations all present CPUs must be online
as all present CPUs must make the H_JOIN call as part of the migration
process. Once all present CPUs make the H_JOIN call, one CPU is returned
From: Nicholas Piggin
[ Upstream commit 09b4438db13fa83b6219aee5993711a2aa2a0c64 ]
This causes SLB alloation to start 1 beyond the start of the SLB.
There is no real problem because after it wraps it stats behaving
properly, it's just surprisig to see when looking at SLB traces.
Signed-off-by:
From: Breno Leitao
[ Upstream commit 984ecdd68de0fa1f63ce205d6c19ef5a7bc67b40 ]
The tbl pointer is being derefenced by IOMMU_PAGE_SIZE prior the check
if it is not NULL.
Just moving the dereference code to after the check, where there will
be guarantee that 'tbl' will not be NULL.
Signed-off-b
From: Keith Busch
[ Upstream commit bfcb79fca19d267712e425af1dd48812c40dec0c ]
If an Endpoint reported an error with ERR_FATAL, we previously ran driver
error recovery callbacks only for the Endpoint's driver. But if we reset a
Link to recover from the error, all downstream components are affec
From: YueHaibing
[ Upstream commit 06983aa526c759ebdf43f202d8d0491d9494e2f4 ]
The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, so make sure the implementation in
this driver has returns 'netdev_tx_t' value, and change the function
return
From: Keith Busch
[ Upstream commit c4eed62a214330908eec11b0dc170d34fa50b412 ]
The secondary bus reset may have link side effects that a hotplug capable
port may incorrectly react to. Use the slot specific reset for hotplug
ports, fixing the undesirable link down-up handling during error
recove
From: Keith Busch
[ Upstream commit 9d938ea53b265ed6df6cdd1715d971f0235fdbfc ]
The AER driver has never read the config space of an endpoint that reported
a fatal error because the link to that device is considered unreliable.
An ERR_FATAL from an upstream port almost certainly indicates an err
From: Keith Busch
[ Upstream commit 60271ab044a53edb9dcbe76bebea2221c4ff04d9 ]
Error handling may be running in parallel with a hot removal. Reference
count the device during AER handling so the device can not be freed while
AER wants to reference it.
Signed-off-by: Keith Busch
Signed-off-by:
From: Keith Busch
[ Upstream commit c29de84149aba5f74e87b6491c13ac7203c12f55 ]
The PCI port driver saves the PCI state after initializing the device with
the applicable service devices. This was, however, before the service
drivers were even registered because PCI probe happens before the
devic
From: YueHaibing
[ Upstream commit bacade822524e02f662d88f784d2ae821a5546fb ]
The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, so make sure the implementation in
this driver has returns 'netdev_tx_t' value, and change the function
return
From: Rob Herring
[ Upstream commit 53dd9dce6979bc54d64a3a09a2fb20187a025be7 ]
The next update of libfdt has a new dependency on INT_MAX. Update the
instances of libfdt_env.h in the kernel to either include the necessary
header with the definition or define it locally.
Cc: Russell King
Cc: Ben
From: Nathan Fontenot
[ Upstream commit 85a88cabad57d26d826dd94ea34d3a785824d802 ]
When performing partition migrations all present CPUs must be online
as all present CPUs must make the H_JOIN call as part of the migration
process. Once all present CPUs make the H_JOIN call, one CPU is returned
From: Anton Blanchard
[ Upstream commit e00d93ac9a189673028ac125a74b9bc8ae73eebc ]
This re-applies commit b91c1e3e7a6f ("powerpc: Fix duplicate const
clang warning in user access code") (Jun 2015) which was undone in
commits:
f2ca80905929 ("powerpc/sparse: Constify the address pointer in
__ge
From: Nathan Fontenot
[ Upstream commit 063b8b1251fd069f3740339fca56119d218f11ba ]
The updates to powerpc numa and memory hotplug code now use the
in-kernel LMB array instead of the device tree. This change allows the
pseries memory DLPAR code to only update the device tree once after
successful
From: Nicholas Piggin
[ Upstream commit 09b4438db13fa83b6219aee5993711a2aa2a0c64 ]
This causes SLB alloation to start 1 beyond the start of the SLB.
There is no real problem because after it wraps it stats behaving
properly, it's just surprisig to see when looking at SLB traces.
Signed-off-by:
From: Breno Leitao
[ Upstream commit 44d947eff19d64384efc06069509db7a0a1103b0 ]
There are cases where the test is not expecting to have the transaction
aborted, but, the test process might have been rescheduled, either in the
OS level or by KVM (if it is running on a KVM guest machine). The proc
From: Breno Leitao
[ Upstream commit 984ecdd68de0fa1f63ce205d6c19ef5a7bc67b40 ]
The tbl pointer is being derefenced by IOMMU_PAGE_SIZE prior the check
if it is not NULL.
Just moving the dereference code to after the check, where there will
be guarantee that 'tbl' will not be NULL.
Signed-off-b
From: YueHaibing
[ Upstream commit 94b2bb28dbb43fcb943d5275ab19fd5a4972bedb ]
The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, so make sure the implementation in
this driver has returns 'netdev_tx_t' value, and change the function
return
hello,
i just got some mail deleted. so incase some of you have
send mail to me after https://lkml.org/lkml/2019/11/4/824
please kindly resend it to me.
I have also noticed the error in 5.4.0-rc1+ of linux-kselftest tree.
iam attaching two related files again.
--
software engineer
rajagiri scho
The keys used to verify the Host OS kernel are managed by firmware as
secure variables. This patch loads the verification keys into the .platform
keyring and revocation hashes into .blacklist keyring. This enables
verification and loading of the kernels signed by the boot time keys which
are truste
The handlers to add the keys to the .platform keyring and blacklisted
hashes to the .blacklist keyring is common for both the uefi and powerpc
mechanisms of loading the keys/hashes from the firmware.
This patch moves the common code from load_uefi.c to keyring_handler.c
Signed-off-by: Nayna Jain
PowerNV secure variables, which store the keys used for OS kernel
verification, are managed by the firmware. These secure variables need to
be accessed by the userspace for addition/deletion of the certificates.
This patch adds the sysfs interface to expose secure variables for PowerNV
secureboot.
The X.509 certificates trusted by the platform and required to secure boot
the OS kernel are wrapped in secure variables, which are controlled by
OPAL.
This patch adds firmware/kernel interface to read and write OPAL secure
variables based on the unique key.
This support can be enabled using CONF
In order to verify the OS kernel on PowerNV systems, secure boot requires
X.509 certificates trusted by the platform. These are stored in secure
variables controlled by OPAL, called OPAL secure variables. In order to
enable users to manage the keys, the secure variables need to be exposed
to usersp
On Thu, 7 Nov 2019 09:46:25 +0100
christophe lombard wrote:
> On 05/11/2019 06:01, Andrew Donnellan wrote:
> > On 22/10/19 6:52 pm, christophe lombard wrote:
> >> Fix up the pci config size of the OpenCAPI PCIe devices in the pseries
> >> environment.
> >> Most of OpenCAPI PCIe devices have 4096
On Sat, Nov 09, 2019 at 05:53:37PM +0530, Sourabh Jain wrote:
> As the number of FADump sysfs files increases it is hard to manage all of
> them inside /sys/kernel directory. It's better to have all the FADump
> related sysfs files in a dedicated directory /sys/kernel/fadump. But in
> order to main
Add a sys interface to allow querying the memory reserved by FADump for
saving the crash dump.
Also added Documentation/ABI for the new sysfs file.
Signed-off-by: Sourabh Jain
---
Documentation/ABI/testing/sysfs-kernel-fadump| 7 +++
Documentation/powerpc/firmware-assisted-dump.rst |
The /sys/kernel/fadump_* sysfs files are replicated under
/sys/kernel/fadump/ directory. But we need to keep the old
sysfs files to maintain the backward compatibility.
The sysfs files are scheduled to remove by 2021.
Signed-off-by: Sourabh Jain
---
.../sysfs-kernel-fadump_enabled
As the number of FADump sysfs files increases it is hard to manage all of
them inside /sys/kernel directory. It's better to have all the FADump
related sysfs files in a dedicated directory /sys/kernel/fadump. But in
order to maintain the backward compatibility the /sys/kernel/fadump_*
sysfs files a
Add the missing ABI documentation for the already available FADump
sysfs files.
Signed-off-by: Sourabh Jain
---
Documentation/ABI/testing/sysfs-kernel-fadump_enabled | 7 +++
Documentation/ABI/testing/sysfs-kernel-fadump_registered | 8
Documentation/ABI/testing/sysfs-kernel-fa
Currently, FADump sysfs files are present inside /sys/kernel directory.
But as the number of FADump sysfs file increases it is not a good idea to
push all of them in /sys/kernel directory. It is better to have separate
directory to keep all the FADump sysfs files.
The patch series reorganizes the
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