On 3/8/21 8:36 PM, Chris Packham wrote:
>
> On 9/03/21 11:10 am, Chris Packham wrote:
>>
>> On 8/03/21 5:59 pm, Guenter Roeck wrote:
>>> On 3/7/21 8:37 PM, Chris Packham wrote:
>>> [ ... ]
> That's from -ENXIO which is used in only one place in i2c-mpc.c. I'll
> enable some debug and see
Hi,
On 3/8/21 3:21 AM, Flavio Suligoi wrote:
> Different watchdog modules frequently require the same type of parameters
> (for example: timeout, nowayout feature, start wdog on module insertion,
> etc.).
> Instead of adding this kind of module parameters independently to each
> driver, the best
Vendor listed for mediatek in kernel vendor file 'vendor-prefixes.yaml'
contains 'mediatek' as a valid vendor string. Some nodes in the device
tree are using an invalid vendor string vfor 'mtk' instead. Fix all of
them in dts file. Update also ralink mt7621 related code to properly
match new
The documentation for this SOC only talks about two
registers regarding to the clocks:
* SYSC_REG_CPLL_CLKCFG0 - provides some information about
boostrapped refclock. PLL and dividers used for CPU and some
sort of BUS.
* SYSC_REG_CPLL_CLKCFG1 - a banch of gates to enable/disable
clocks for all or
Adds device tree binding documentation for clocks in the
MT7621 SOC.
Reviewed-by: Rob Herring
Signed-off-by: Sergio Paracuellos
---
.../bindings/clock/mediatek,mt7621-sysc.yaml | 68 +++
1 file changed, 68 insertions(+)
create mode 100644
Clocks for SoC mt7621 have been properly integrated so there is
no need to declare fixed clocks at all in the device tree. Remove
all of them, add new device tree nodes for mt7621-clk and update
the rest of the nodes to use them.
Acked-by: Greg Kroah-Hartman
Signed-off-by: Sergio Paracuellos
Adding myself as maintainer for mt7621 clock driver.
Signed-off-by: Sergio Paracuellos
---
MAINTAINERS | 6 ++
1 file changed, 6 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 809a68af5efd..ecad5d972122 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11288,6 +11288,12 @@ L:
Adds dt binding header for 'mediatek,mt7621-clk' clocks.
Acked-by: Rob Herring
Signed-off-by: Sergio Paracuellos
---
include/dt-bindings/clock/mt7621-clk.h | 41 ++
1 file changed, 41 insertions(+)
create mode 100644 include/dt-bindings/clock/mt7621-clk.h
diff --git
This patchset ports CPU clock detection for MT7621 from OpenWrt
and adds a complete clock plan for the mt7621 SOC.
The documentation for this SOC only talks about two registers
regarding to the clocks:
* SYSC_REG_CPLL_CLKCFG0 - provides some information about boostrapped
refclock. PLL and
dma_alloc_coherent() might fail on the platform with a small DMA region.
To avoid such failure in cdns3_prepare_aligned_request_buf(),
dma_alloc_coherent() is replaced with kmalloc and dma_map API to
allocate aligned request buffer of dynamic length.
Fixes: 7733f6c32e36 ("usb: cdns3: Add Cadence
Allocation of DMA coherent memory in atomic context using
dma_alloc_coherent() might fail on platforms with smaller
DMA region.
To fix it, dma_alloc_coherent() is replaced with dma_pool
API to allocate a smaller chunk of DMA coherent memory for
TRB rings.
Fixes: 7733f6c32e36 ("usb: cdns3: Add
Pages containing buffer_heads that are in one of the per-CPU
buffer_head LRU caches will be pinned and thus cannot be migrated.
This can prevent CMA allocations from succeeding, which are often used
on platforms with co-processors (such as a DSP) that can only use
physically contiguous memory. It
LRU pagevec holds refcount of pages until the pagevec are drained.
It could prevent migration since the refcount of the page is greater
than the expection in migration logic. To mitigate the issue,
callers of migrate_pages drains LRU pagevec via migrate_prep or
lru_add_drain_all before
On 08.03.21 21:33, Boris Ostrovsky wrote:
On 3/6/21 11:18 AM, Juergen Gross wrote:
An event channel should be kept masked when an eoi is pending for it.
When being migrated to another cpu it might be unmasked, though.
In order to avoid this keep three different flags for each event channel
to
On 3/8/21 7:41 PM, Bhaskar Chowdhury wrote:
>
>
> s/percpu/per CPU/
> s/baremetal/bare metal/
>
> Signed-off-by: Bhaskar Chowdhury
Yeah, "bare metal" is a little better than "baremetal".
OTOH, "percpu" is a kernel construct's name. It doesn't have to
be proper English IMHO. (2 cents worth)
On Mon, 8 Mar 2021 at 18:02, Greg Kroah-Hartman
wrote:
>
> This is the start of the stable review cycle for the 5.4.104 release.
> There are 22 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.
>
>
> -Original Message-
> From: Greg KH
> On Mon, Mar 08, 2021 at 08:00:00PM +, Chen, Mike Ximing wrote:
> >
> > Hi Greg,
> >
> > While waiting for the feedback from the networking maintainers, I am
> > wondering if you have any other comments/suggestions that I should address
> > in
There are lots of net namespaces on the host runs containers like k8s.
It is very common to see the same interface names among different net
namespaces, such as eth0. It is not possible to distinguish them without
net namespace inode.
This adds net namespace inode for all net_dev events, help us
On Mon, 8 Mar 2021 at 18:04, Greg Kroah-Hartman
wrote:
>
> This is the start of the stable review cycle for the 5.10.22 release.
> There are 42 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 9/03/21 11:10 am, Chris Packham wrote:
>
> On 8/03/21 5:59 pm, Guenter Roeck wrote:
>> On 3/7/21 8:37 PM, Chris Packham wrote:
>> [ ... ]
That's from -ENXIO which is used in only one place in i2c-mpc.c. I'll
enable some debug and see what we get.
>>> For the errant readings there was
On 08-03-21, 18:14, Beata Michalska wrote:
> > -bool _opp_remove_all_static(struct opp_table *opp_table)
> > +/*
> > + * Can't remove the OPP from under the lock, debugfs removal needs to
> > happen
> > + * lock less to avoid circular dependency issues. This must be called
> > without
> > + *
On 08-03-21, 16:54, Alexandru Ardelean wrote:
> The intent is the removal of the 'delay_usecs' field from the
> spi_transfer struct, as there is a 'delay' field that does the same
> thing.
>
> The spi_delay_to_ns() can be used to get the transfer delay. It works by
> using the 'delay_usecs' field
On Mon, 8 Mar 2021 at 18:06, wrote:
>
> From: Greg Kroah-Hartman
>
> This is the start of the stable review cycle for the 5.11.5 release.
> There are 44 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
The asm code in csum_tcpudp_nofold() is performance-critical, I am sorry
for the poorly considered implementation about the performance influence
with GCC in the commit 198688edbf77 ("MIPS: Fix inline asm input/output
type mismatch in checksum.h used with Clang").
With this patch, we can build
On 08-03-21, 14:52, Will Deacon wrote:
> On Mon, Mar 01, 2021 at 12:21:17PM +0530, Viresh Kumar wrote:
> > +EXPORT_SYMBOL_GPL(topology_set_scale_freq_source);
>
> I don't get why you need to export this in this patch. The arm64 topology
> code is never built as a module.
>
> >
On Tue, Mar 09, 2021 at 10:23:35AM +0800, Weichao Guo wrote:
> Hi Richard,
>
> On 2021/3/8 19:53, Richard Palethorpe wrote:
> > Hello,
> >
> > > kern :err : [ 187.461914] F2FS-fs (sda1): Swapfile does not align to
> > > section
> > > commit 02eb84b96bc1b382dd138bf60724edbefe77b025
> > >
Merging afs/afs-next (8409f67b6437 afs: Adjust the fileserver rotation
algorithm to reprobe/retry more quickly)
Merging btrfs/for-next (c4e9b6a42a43 Merge branch
'for-next-next-v5.12-20210308' into for-next-20210308)
Merging ceph/master (558b4510f622 ceph: defer flushing the capsnap if the Fb is
us
On 3/6/21 1:20 PM, Bhaskar Chowdhury wrote:
>
>
> Mundane typos fixes throughout the file.
typo fixes
and in Subject:
>
> s/establised/established/
> s/availbale/available/
> s/vaues/values/
> s/Incase/In case/
>
> Signed-off-by: Bhaskar Chowdhury
with the above fixes:
Acked-by:
On 3/6/21 1:35 PM, Bhaskar Chowdhury wrote:
>
> Rudimentory spelling fixes throughout the file.
>
> s/descibing/describing/
> s/inforation/information/
>
> Signed-off-by: Bhaskar Chowdhury
Acked-by: Randy Dunlap
> ---
> drivers/soc/qcom/qmi_encdec.c | 8
> 1 file changed, 4
Hi guys:
Thanks for the helpful comments, after rethinking the issue, I have proposed
the following change:
1. follow_pte instead of follow_pfn.
2. vmf_insert_pfn loops instead of io_remap_pfn_range
3. proper undos when some call fails.
4. keep the bigger lock range to avoid unessary pte
On 3/8/21 7:20 PM, Bhaskar Chowdhury wrote:
>
>
> s/performend/performed/
Subject: does not need "arch: " in it. Check git log for other
x86 commits to see how they look.
With that fixed:
Acked-by: Randy Dunlap
>
>
> Signed-off-by: Bhaskar Chowdhury
> ---
>
Hi Srinivas, Jiri
On Mon, Mar 08, 2021 at 08:00:41AM -0800, Srinivas Pandruvada wrote:
> On Mon, 2021-03-08 at 11:26 +0100, Jiri Kosina wrote:
> > On Wed, 3 Mar 2021, Ye Xiang wrote:
> >
> > > ISH firmware uses connected standby state bit
> > > (CONNECTED_STANDBY_STATE_BIT bit 1)
> > > to notify
According to Samsung's iozone test result, HPB is going to boost random
performance of rom on mobile, we believe it will help our customers on
several occasions.
s/percpu/per CPU/
s/baremetal/bare metal/
Signed-off-by: Bhaskar Chowdhury
---
arch/x86/kernel/vmlinux.lds.S | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index efd9e9ea17f2..592a44ad13b1 100644
---
Fix the following coccicheck warnings:
./drivers/scsi/dc395x.c:2921:28-29: WARNING: sum of probable bitmasks,
consider |.
Reported-by: Abaci Robot
Signed-off-by: Jiapeng Chong
---
drivers/scsi/dc395x.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/dc395x.c
On 3/8/21 12:11 PM, Anshuman Khandual wrote:
> This series contains config cleanup patches which reduces code duplication
> across platforms and also improves maintainability. There is no functional
> change intended with this series. This has been boot tested on arm64 but
> only build tested on
From: Xiong Zhenwu
A typo is found out by codespell tool in 204th line of apparmorfs.c:
$ codespell ./security/apparmor/
./apparmorfs.c:204: seting ==> setting
Fix a typo found by codespell.
Signed-off-by: Xiong Zhenwu
---
security/apparmor/apparmorfs.c | 2 +-
1 file changed, 1
Using 'imply AMD_IOMMU_V2' does not guarantee that the driver can link
against the exported functions. If the GPU driver is built-in but the
IOMMU driver is a loadable module, the kfd_iommu.c file is indeed
built but does not work:
x86_64-linux-ld: drivers/gpu/drm/amd/amdkfd/kfd_iommu.o: in
s/performend/performed/
Signed-off-by: Bhaskar Chowdhury
---
arch/x86/boot/compressed/head_64.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/boot/compressed/head_64.S
b/arch/x86/boot/compressed/head_64.S
index e94874f4bbc1..a8c4095ee115 100644
---
Am 2021-03-08 um 3:45 p.m. schrieb Arnd Bergmann:
> From: Arnd Bergmann
>
> Using 'imply AMD_IOMMU_V2' does not guarantee that the driver can link
> against the exported functions. If the GPU driver is built-in but the
> IOMMU driver is a loadable module, the kfd_iommu.c file is indeed
> built
Check the eventlog signature before using it. This avoids using an
empty log, as may be the case when QEMU created the ACPI tables,
rather than probing the EFI log next. This resolves an issue where
the EFI log was empty since an empty ACPI log was used.
Fixes: 85467f63a05c ("tpm: Add support for
Avoid allocating memory and reading the host log when a virtual device
is used since this log is of no use to that driver. A virtual
device can be identified through the flag TPM_CHIP_FLAG_VIRTUAL, which
is only set for the tpm_vtpm_proxy driver.
Fixes: 6f99612e2500 ("tpm: Proxy driver for
When tpm_read_log_efi was called multiple times, which happens when one
loads and unloads a TPM2 driver multiple times, then the global variable
efi_tpm_final_log_size will at some point become a negative number due
to the subtraction of final_events_preboot_size occurring each time. Use
a
This series of patches fixes a couple of issues related to TPM2
event logs, such as the disappearance of the TPM2 log on QEMU machines
running with UEFI (my fault) and a kernel fault due to an integer under-
flow when reading the TPM 2 log multiple times.
Regards,
Stefan
Stefan Berger (3):
Hi, Krzysztof
On 2021/3/8 上午1:54, Krzysztof Wilczyński wrote:
Hi,
[...]
Property dma-can-stall depends on patchset
https://lore.kernel.org/linux-iommu/20210108145217.2254447-1-jean-phili...@linaro.org/
[...]
If you plan to post another version of this patch to include the above
link into
Wesley Cheng wrote:
>
> On 3/6/2021 3:41 PM, Thinh Nguyen wrote:
>> Wesley Cheng wrote:
>>> On 1/8/2021 4:44 PM, Thinh Nguyen wrote:
Hi,
John Stultz wrote:
> On Fri, Jan 8, 2021 at 4:26 AM Felipe Balbi wrote:
>> Hi,
>>
>> John Stultz writes:
>>> From: Yu Chen
HiSilicon KunPeng920 and KunPeng930 have devices appear as PCI but are
actually on the AMBA bus. These fake PCI devices can support SVA via
SMMU stall feature, by setting dma-can-stall for ACPI platforms.
Property dma-can-stall depends on patchset
HiSilicon KunPeng920 and KunPeng930 have devices appear as PCI but are
actually on the AMBA bus. These fake PCI devices have PASID capability
though not supporting TLP.
Add a quirk to set pasid_no_tlp for these devices.
Signed-off-by: Zhangfei Gao
Signed-off-by: Jean-Philippe Brucker
A PASID-like feature is implemented on AMBA without using TLP prefixes
and these devices have PASID capability though not supporting TLP.
Adding a pasid_no_tlp bit for "PASID works without TLP prefixes" and
pci_enable_pasid() checks pasid_no_tlp as well as eetlp_prefix_path.
Suggested-by: Bjorn
HiSilicon KunPeng920 and KunPeng930 have devices appear as PCI but are
actually on the AMBA bus. These fake PCI devices have PASID capability
though not supporting TLP.
Add a quirk to set pasid_no_tlp and dma-can-stall for these devices.
v3:
Rebase to Linux 5.12-rc1
Change commit msg adding:
Hi Jiri,
On 3/8/2021 9:14 PM, Jiri Olsa wrote:
On Mon, Mar 08, 2021 at 08:57:49PM +0800, Jin, Yao wrote:
Hi Jiri,
On 3/8/2021 6:35 PM, Jiri Olsa wrote:
On Mon, Mar 08, 2021 at 11:15:06AM +0800, Jin Yao wrote:
SNIP
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index
From: Thomas Gleixner
commit da791a667536bf8322042e38ca85d55a78d3c273 upstream.
Stefan reported, that the glibc tst-robustpi4 test case fails
occasionally. That case creates the following race between
sys_exit() and sys_futex_lock_pi():
CPU0 CPU1
sys_exit()
From: Peter Zijlstra
Currently futex-pi relies on hb->lock to serialize everything. But hb->lock
creates another set of problems, especially priority inversions on RT where
hb->lock becomes a rt_mutex itself.
The rt_mutex::wait_lock is the most obvious protection for keeping the
futex user
Lee sent a patchset to update Futex for 4.9, see
https://www.spinics.net/lists/stable/msg443081.html,
Then Xiaoming sent a follow-up patch for it, see
https://lore.kernel.org/lkml/20210225093120.GD641347@dell/.
These patchsets may also resolve following issues in 4.4.260 which have been
From: Thomas Gleixner
The handle_exit_race() function is defined in commit 9c3f39860367
("futex: Cure exit race"), which never returns -EBUSY. This results
in a small piece of dead code in the attach_to_pi_owner() function:
int ret = handle_exit_race(uaddr, uval, p); /* Never return
On Sat, Mar 06, 2021 at 02:20:34AM +, Luis Chamberlain wrote:
> The zram driver makes use of cpu hotplug multistate support,
> whereby it associates a zram compression stream per CPU. To
> support CPU hotplug multistate a callback enabled to allow
> the driver to do what it needs when a CPU
Hi all,
After merging the amdgpu tree, today's linux-next build (htmldocs)
produced this warning:
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h:380: warning: Function
parameter or member 'crc_rd_wrk' not described in 'amdgpu_display_manager'
Introduced by commit
9a65df193108
On 2021/3/9 8:07, Jaegeuk Kim wrote:
On 03/05, Chao Yu wrote:
On 2021/3/5 1:50, Jaegeuk Kim wrote:
On 03/04, Chao Yu wrote:
On 2021/3/3 2:44, Jaegeuk Kim wrote:
On 03/02, Jaegeuk Kim wrote:
On 03/02, Chao Yu wrote:
On 2021/3/2 13:42, Jaegeuk Kim wrote:
This is useful when checking
On 2021/3/9 8:01, Jaegeuk Kim wrote:
On 03/05, Chao Yu wrote:
On 2021/3/5 4:20, Jaegeuk Kim wrote:
On 02/27, Jaegeuk Kim wrote:
On 02/04, Chao Yu wrote:
Jaegeuk,
On 2021/2/2 16:00, Chao Yu wrote:
- for (i = 0; i < dic->nr_cpages; i++) {
+ for (i = 0; i < cc->nr_cpages; i++) {
On Sat, 6 Mar 2021, at 09:37, Rob Herring wrote:
> On Sat, Feb 20, 2021 at 12:55:20AM +1030, Andrew Jeffery wrote:
> > Given the deprecated binding, improve the ability to detect issues in
> > the platform devicetrees. Further, a subsequent patch will introduce a
> > new interrupts property for
On Sat, 6 Mar 2021, at 09:39, Rob Herring wrote:
> On Sat, Feb 20, 2021 at 12:55:21AM +1030, Andrew Jeffery wrote:
> > Allocating IO and IRQ resources to LPC devices is in-theory an operation
> > for the host, however ASPEED don't appear to expose this capability
> > outside the BMC (e.g.
On 2021/3/9 10:28 上午, Zhu, Lingshan wrote:
On 3/9/2021 10:23 AM, Jason Wang wrote:
On 2021/3/8 4:35 下午, Zhu Lingshan wrote:
This commit enabled Intel FPGA SmartNIC C5000X-PL virtio-net
for vDPA
Signed-off-by: Zhu Lingshan
---
drivers/vdpa/ifcvf/ifcvf_base.h | 5 +
In our performance tests, we find that the performance of
sysbench is descend. Function call consumes too many instructions,
change pi_state_update_owner() to an inline function.
Test environment:
CPU: Intel(R) Xeon(R) Gold 6154 CPU @ 3.00GHz * 2
MEM: 312G
Test case:
> On Mar 5, 2021, at 2:50 PM, David Howells wrote:
>
> Eric Snowberg wrote:
>
>> @@ -11,7 +11,7 @@ hostprogs-always-$(CONFIG_ASN1)
>> += asn1_compiler
>> hostprogs-always-$(CONFIG_MODULE_SIG_FORMAT) += sign-file
>>
When find_table_lock() returns NULL to t, no error return code of
do_update_counters() is assigned.
To fix this bug, ret is assigned with -ENOENT in this case.
Fixes: 49facff9f925 ("netfilter: ebtables: split update_counters into two
functions")
Reported-by: TOTE Robot
Signed-off-by: Jia-Ju Bai
-20210308
x86_64 randconfig-a001-20210308
x86_64 randconfig-a004-20210308
x86_64 randconfig-a002-20210308
x86_64 randconfig-a005-20210308
x86_64 randconfig-a003-20210308
i386 randconfig-a005-20210308
i386
On 3/9/2021 10:23 AM, Jason Wang wrote:
On 2021/3/8 4:35 下午, Zhu Lingshan wrote:
This commit enabled Intel FPGA SmartNIC C5000X-PL virtio-net
for vDPA
Signed-off-by: Zhu Lingshan
---
drivers/vdpa/ifcvf/ifcvf_base.h | 5 +
drivers/vdpa/ifcvf/ifcvf_main.c | 5 +
2 files changed,
From: Yue Hu
Since ufshcd_wb_ctrl() will spew error/debug log firstly, no need to
spew similar error/info log again in the caller ufshcd_wb_config().
Also, several log words in ufshcd_wb_ctrl() are not consistent with
other sites, let's improve them. And remove unhelpful ret from debug
log due
On Tue, 9 Mar 2021 10:14:52 +0800
Aili Yao wrote:
> On Mon, 8 Mar 2021 18:31:07 +
> "Luck, Tony" wrote:
>
> > > Can you point me at that SIGBUS code in a current kernel?
> >
> > It is in kill_me_maybe(). mce_vaddr is setup when we disassemble whatever
> > get_user()
> > or copy from
On 2021/3/8 4:35 下午, Zhu Lingshan wrote:
This commit removes the version number string, using kernel
version is enough.
Signed-off-by: Zhu Lingshan
---
Acked-by: Jason Wang
drivers/vdpa/ifcvf/ifcvf_main.c | 2 --
1 file changed, 2 deletions(-)
diff --git
On 2021/3/8 4:35 下午, Zhu Lingshan wrote:
IFCVF driver probes multiple types of devices now,
to distinguish the original device driven by IFCVF
from others, it is renamed as "N3000".
Signed-off-by: Zhu Lingshan
Acked-by: Jason Wang
You probably need to rename the driver.
Thanks
---
On 2021/3/8 4:35 下午, Zhu Lingshan wrote:
This commit enabled Intel FPGA SmartNIC C5000X-PL virtio-net
for vDPA
Signed-off-by: Zhu Lingshan
---
drivers/vdpa/ifcvf/ifcvf_base.h | 5 +
drivers/vdpa/ifcvf/ifcvf_main.c | 5 +
2 files changed, 10 insertions(+)
diff --git
Hi Richard,
On 2021/3/8 19:53, Richard Palethorpe wrote:
Hello,
kern :err : [ 187.461914] F2FS-fs (sda1): Swapfile does not align to section
commit 02eb84b96bc1b382dd138bf60724edbefe77b025
Author: huangjia...@oppo.com
Date: Mon Mar 1 12:58:44 2021 +0800
f2fs: check if swapfile is
On Tue, Mar 09, 2021 at 08:41:44AM +0800, Rong Chen wrote:
>
>
> On 3/9/21 6:29 AM, Minchan Kim wrote:
> > On Tue, Mar 09, 2021 at 05:29:30AM +0800, kernel test robot wrote:
> > > Hi Minchan,
> > >
> > > I love your patch! Perhaps something to improve:
> > >
> > > [auto build test WARNING on
On 03/09/2021 12:52 AM, David Laight wrote:
From: Tiezhu Yang
Sent: 08 March 2021 12:50
The asm code in csum_tcpudp_nofold() is performance-critical, I am sorry
for the poorly considered implementation about the performance influence
with GCC in the commit 198688edbf77 ("MIPS: Fix inline asm
On Mon, Mar 08, 2021 at 04:21:28PM -0800, Andrew Morton wrote:
> On Mon, 8 Mar 2021 12:20:47 -0800 Minchan Kim wrote:
>
> > alloc_contig_range is usually used on cma area or movable zone.
> > It's critical if the page migration fails on those areas so
> > dump more debugging message.
> >
> >
Drop bit 11, used for the MMU_PRESENT flag, from the set of bits used to
store the generation number in MMIO SPTEs. MMIO SPTEs with bit 11 set,
which occurs when userspace creates 128+ memslots in an address space,
get false positives for is_shadow_present_spte(), which lead to a variety
of
Please squash away our mistakes and hide them from the world. :-)
Stuffed the MMIO generation to start at 0x3ff0 (bits 61:4 set)
and role over into bit 62. Bit 63 is used for the "update in-progress" so
I'm fairly confident there are no more collisions with other SPTE bits.
For the
From: Sean Christopherson
Fix SME and PCID, which got horribly mangled on application.
Fixes: a16241ae56fa ("KVM: x86: Get active PCID only when writing a CR3 value")
Signed-off-by: Sean Christopherson
Signed-off-by: Sean Christopherson
---
arch/x86/kvm/svm/svm.c | 9 +++--
1 file
On 2021/3/8 4:35 下午, Zhu Lingshan wrote:
In this commit, ifcvf_get_vendor_id() will return
a device specific vendor id of the probed pci device
than a hard code.
Signed-off-by: Zhu Lingshan
Acked-by: Jason Wang
---
drivers/vdpa/ifcvf/ifcvf_main.c | 5 -
1 file changed, 4
As Kees haved accepted the v2 patch at a381b70a1 which just
replaced rmb() with smp_rmb(), this patch will base on that and just adjust
the smp_rmb() to the correct position.
As the original comment shown (and indeed it should be):
/*
* Make sure that any changes to mode from another
On Mon, 8 Mar 2021 18:31:07 +
"Luck, Tony" wrote:
> > Can you point me at that SIGBUS code in a current kernel?
>
> It is in kill_me_maybe(). mce_vaddr is setup when we disassemble whatever
> get_user()
> or copy from user variant was in use in the kernel when the poison memory was
>
On Tue, Mar 9, 2021 at 5:49 AM Helge Deller wrote:
>
> On 3/1/21 3:58 PM, Masahiro Yamada wrote:
> > Many architectures duplicate similar shell scripts.
> >
> > This commit converts parisc to use scripts/syscalltbl.sh. This also
> > unifies syscall_table_64.h and syscall_table_c32.h.
> >
> >
On Mon, 8 Mar 2021 14:55:04 -0800
"Luck, Tony" wrote:
> There can be races when multiple CPUs consume poison from the same
> page. The first into memory_failure() atomically sets the HWPoison
> page flag and begins hunting for tasks that map this page. Eventually
> it invalidates those mappings
c6f5d02b6a0f (locking/spinlocks/arm64: Remove smp_mb() from
arch_spin_is_locked()) made it pretty official that the call
semantics do not imply any sort of barriers, and any user that
gets creative must explicitly do any serialization.
This creativity, however, is nowadays pretty limited:
1.
Hi,
A few updates while going through the powerpc port of the qspinlock.
Patches 1 and 2 are straightforward, while patch 3 can be considered
more of an rfc as I've only tested on a single machine, and there
could be an alternative way if it doesn't end up being nearly a
universal performance
Instead of both queued and simple spinlocks doing it. Move
it into the arch's spinlock.h.
Signed-off-by: Davidlohr Bueso
---
arch/powerpc/include/asm/qspinlock.h | 2 --
arch/powerpc/include/asm/simple_spinlock.h | 3 ---
arch/powerpc/include/asm/spinlock.h| 3 +++
3 files
49a7d46a06c3 (powerpc: Implement smp_cond_load_relaxed()) added
busy-waiting pausing with a preferred SMT priority pattern, lowering
the priority (reducing decode cycles) during the whole loop slowpath.
However, data shows that while this pattern works well with simple
spinlocks, queued spinlocks
On 2021/3/8 20:30, Greg Kroah-Hartman wrote:
This is the start of the stable review cycle for the 5.4.104 release.
There are 22 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.
Responses should be
Hi all,
Today's linux-next merge of the vhost tree got conflicts in:
sound/virtio/virtio_card.c
sound/virtio/virtio_card.h
sound/virtio/virtio_ctl_msg.c
sound/virtio/virtio_pcm.c
sound/virtio/virtio_pcm.h
sound/virtio/virtio_pcm_msg.c
sound/virtio/virtio_pcm_ops.c
between commits:
On Mon, Mar 08, 2021 at 09:16:50PM +0200, Andy Shevchenko wrote:
> On Mon, Mar 08, 2021 at 12:52:12PM -0600, Bjorn Helgaas wrote:
> > On Mon, Mar 08, 2021 at 02:20:16PM +0200, Andy Shevchenko wrote:
> > > From: Jonathan Yong
> > >
> > > There is already one and at least one more user is coming
From: Sean Christopherson
Emulate the four Launch Enclave public key hash MSRs (LE hash MSRs) that
exist on CPUs that support SGX Launch Control (LC). SGX LC modifies the
behavior of ENCLS[EINIT] to use the LE hash MSRs when verifying the key
used to sign an enclave. On CPUs without LC
From: Sean Christopherson
Enable SGX virtualization now that KVM has the VM-Exit handlers needed
to trap-and-execute ENCLS to ensure correctness and/or enforce the CPU
model exposed to the guest. Add a KVM module param, "sgx", to allow an
admin to disable SGX virtualization independent of the
From: Sean Christopherson
Add an ECREATE handler that will be used to intercept ECREATE for the
purpose of enforcing and enclave's MISCSELECT, ATTRIBUTES and XFRM, i.e.
to allow userspace to restrict SGX features via CPUID. ECREATE will be
intercepted when any of the aforementioned masks
From: Sean Christopherson
Add a VM-Exit handler to trap-and-execute EINIT when SGX LC is enabled
in the host. When SGX LC is enabled, the host kernel may rewrite the
hardware values at will, e.g. to launch enclaves with different signers,
thus KVM needs to intercept EINIT to ensure it is
From: Sean Christopherson
Add a capability, KVM_CAP_SGX_ATTRIBUTE, that can be used by userspace
to grant a VM access to a priveleged attribute, with args[0] holding a
file handle to a valid SGX attribute file.
The SGX subsystem restricts access to a subset of enclave attributes to
provide
From: Sean Christopherson
Add support for handling VM-Exits that originate from a guest SGX
enclave. In SGX, an "enclave" is a new CPL3-only execution environment,
wherein the CPU and memory state is protected by hardware to make the
state inaccesible to code running outside of the enclave.
From: Sean Christopherson
Define a new KVM-only feature word for advertising and querying SGX
sub-features in CPUID.0x12.0x0.EAX. Because SGX1 and SGX2 are scattered
in the kernel's feature word, they need to be translated so that the
bit numbers match those of hardware.
Signed-off-by: Sean
From: Sean Christopherson
Introduce a scheme that allows KVM's CPUID magic to support features
that are scattered in the kernel's feature words. To advertise and/or
query guest support for CPUID-based features, KVM requires the bit
number of an X86_FEATURE_* to match the bit number in its
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