On Mon, Jan 25, 2021 at 3:07 AM Arnd Bergmann wrote:
>
> On Tue, Jan 5, 2021 at 1:55 AM Dennis Zhou wrote:
> >
> > On Mon, Jan 04, 2021 at 04:46:51PM -0700, Nathan Chancellor wrote:
> > > On Thu, Dec 31, 2020 at 09:28:52PM +, Dennis Zhou wrote:
> > > >
> >
> > Hi Nathan,
> >
> > >
> > > Hi De
From: Stefan Chulski
BM pool size increased to support Firmware Flow Control.
Minimum depletion thresholds to support FC is 1024 buffers.
BM pool size increased to 2048 to have some 1024 buffers
space between depletion thresholds and BM pool size.
Jumbo frames require a 9888B buffer, so memory r
From: Stefan Chulski
Currently we have PP2v1 and PP2v2 hw-versions, with some different
handlers depending upon condition hw_version = MVPP21/MVPP22.
In a future there will be also PP2v3. Let's use now the generic
"if equal/notEqual MVPP21" for all cases instead of "if MVPP22".
This patch does n
On Mon 25-01-21 13:23:58, Waiman Long wrote:
> On 1/25/21 1:14 PM, Michal Hocko wrote:
[...]
> > With the proposed simplification by Willy
> > Acked-by: Michal Hocko
>
> Thank for the ack. However, I am a bit confused about what you mean by
> simplification. There is another linux-next patch that
On Mon, Jan 25, 2021 at 01:23:58PM -0500, Waiman Long wrote:
> On 1/25/21 1:14 PM, Michal Hocko wrote:
> > On Mon 25-01-21 17:41:19, Michal Hocko wrote:
> > > On Mon 25-01-21 16:25:06, Matthew Wilcox wrote:
> > > > On Mon, Jan 25, 2021 at 05:03:28PM +0100, Michal Hocko wrote:
> > > > > On Mon 25-01
Quoting Gwendal Grignou (2021-01-24 12:42:56)
> On Sun, Jan 24, 2021 at 9:28 AM Jonathan Cameron wrote:
> > On Fri, 22 Jan 2021 14:54:42 -0800
> > Stephen Boyd wrote:
> > > +
> > > +properties:
> > > + compatible:
> > > +const: google,cros-ec-proximity
> Given we have proximity detection in
Hi Max,
> For the original commit of 9e45524a011107a73bc2cdde8370c61e82e93a4d,
> wakeup is always disabled for Realtek Bluetooth devices.
> However, there's the capability for Realtek Bluetooth devices to
> apply USB wakeup. Otherwise, there's the better power consumption
> without USB wakeup duri
On Mon, Jan 18, 2021 at 10:14:28AM -0500, Konrad Rzeszutek Wilk wrote:
> On Mon, Jan 18, 2021 at 12:44:58PM +0100, Martin Radev wrote:
> > On Wed, Jan 13, 2021 at 12:30:17PM +0100, Christoph Hellwig wrote:
> > > On Tue, Jan 12, 2021 at 04:07:29PM +0100, Martin Radev wrote:
> > > > The size of the b
+Cc the other architectures, I'm guessing this would be a helpful optimization
for all archs.
Quite a few comments, but they're all little more than nits. Nice!
On Mon, Jan 25, 2021, David Stevens wrote:
> From: David Stevens
>
> Use the range passed to mmu_notifer's invalidate_range_start to
> Il giorno 25 gen 2021, alle ore 10:40, Stephen Rothwell
> ha scritto:
>
> Hi all,
>
> In commit
>
> d4fc3640ff36 ("block, bfq: set next_rq to waker_bfqq->next_rq in waker
> injection")
>
> Fixes tag
>
> Fixes: c5089591c3ba ("block, bfq: detect wakers and unconditionally inject
> the
From: "Steven Rostedt (VMware)"
The NMI handler on x86 needs to deal with nested NMIs becaues if an NMI
takes an exception (page fault or breakpoint), the exception handle triggers
a iretq which unlatches NMIs in the hardware allowing for another NMI to
take place.
The current code does a bit of
On Mon, Jan 25, 2021 at 10:50:10AM +, Marc Zyngier wrote:
> In order to be able to override CPU features at boot time,
> let's add a command line parser that matches options of the
> form "cpureg.feature=value", and store the corresponding
> value into the override val/mask pair.
>
> No featur
On Mon, Jan 25, 2021 at 10:50:12AM +, Marc Zyngier wrote:
> Finally we can check whether VHE is disabled on the command line,
> and not enable it if that's the user's wish.
>
> Signed-off-by: Marc Zyngier
> Acked-by: David Brazdil
Acked-by: Catalin Marinas
On Mon, 25 Jan 2021 19:19:27 +0100
Oleg Nesterov wrote:
> On 01/26, Jianlin Lv wrote:
> >
> > When trying to create kretprobe with the wrong function symbol in tracefs;
> > The error is triggered in the register_trace_kprobe() and recorded as
> > FAIL_REG_PROBE issue,
> >
> > Example:
> > $ cd
On Mon, Jan 25, 2021 at 09:33:14AM -0800, syzbot wrote:
> UBSAN: shift-out-of-bounds in fs/exfat/super.c:471:28
> shift exponent 4294967294 is too large for 32-bit type 'int'
This is an integer underflow:
sbi->dentries_per_clu = 1 <<
(sbi->cluster_size_bits - DENTRY_SIZE_B
From: Can Guo
[ Upstream commit 35fc4cd34426c242ab015ef280853b7bff101f48 ]
Users can initiate resets to specific SCSI device/target/host through
IOCTL. When this happens, the SCSI cmd passed to eh_device/target/host
_reset_handler() callbacks is initialized with a request whose tag is -1.
In thi
From: Nilesh Javali
[ Upstream commit d50c7986fbf0e2167279e110a2ed5bd8e811c660 ]
The CHAP secret displayed garbage characters causing iSCSI login
authentication failure. Correct the CHAP password max length.
Link: https://lore.kernel.org/r/20201217105144.8055-1-njav...@marvell.com
Reviewed-by:
On Tue, 19 Jan 2021 14:57:32 +, Christian Hewitt wrote:
> This series adds bindings and device-tree for the Beelink (AZW) GS-King-X,
> which like GT-King and GT-King Pro is based on the W400 reference design.
>
> Changes since v2:
> - shorten audio card name to GSKING-X
> - add Neil's tested-b
From: Pali Rohár
commit 54ca955b5a4024e2ce0f206b03adb7109bc4da26 upstream.
Commit c685af1108d7 ("serial: mvebu-uart: fix tx lost characters") fixed tx
lost characters at low baud rates but started causing tx lost characters
when kernel is going to power off or reboot.
TX_EMP tells us when trans
From: Lecopzer Chen
commit 5dabd1712cd056814f9ab15f1d68157ceb04e741 upstream.
kasan_remove_zero_shadow() shall use original virtual address, start and
size, instead of shadow address.
Link: https://lkml.kernel.org/r/20210103063847.5963-1-lecop...@gmail.com
Fixes: 0207df4fa1a86 ("kernel/memremap
From: Guillaume Nault
commit 8d2b51b008c25240914984208b2ced57d1dd25a5 upstream.
udp_v4_early_demux() is the only function that calls
ip_mc_validate_source() with a TOS that hasn't been masked with
IPTOS_RT_MASK.
This results in different behaviours for incoming multicast UDPv4
packets, dependin
From: Eric Dumazet
commit bcd0cf19ef8258ac31b9a20248b05c15a1f4b4b0 upstream.
tc_index being 16bit wide, we need to check that TCA_TCINDEX_SHIFT
attribute is not silly.
UBSAN: shift-out-of-bounds in net/sched/cls_tcindex.c:260:29
shift exponent 255 is too large for 32-bit type 'int'
CPU: 0 PID:
From: Chris Wilson
commit 488751a0ef9b5ce572c47301ce62d54fc6b5a74d upstream.
On error we unpin and free the wa_ctx.vma, but do not clear any of the
derived flags. During lrc_init, we look at the flags and attempt to
dereference the wa_ctx.vma if they are set. To protect the error path
where we t
From: Nilesh Javali
[ Upstream commit d50c7986fbf0e2167279e110a2ed5bd8e811c660 ]
The CHAP secret displayed garbage characters causing iSCSI login
authentication failure. Correct the CHAP password max length.
Link: https://lore.kernel.org/r/20201217105144.8055-1-njav...@marvell.com
Reviewed-by:
From: Can Guo
[ Upstream commit 35fc4cd34426c242ab015ef280853b7bff101f48 ]
Users can initiate resets to specific SCSI device/target/host through
IOCTL. When this happens, the SCSI cmd passed to eh_device/target/host
_reset_handler() callbacks is initialized with a request whose tag is -1.
In thi
From: Damien Le Moal
[ Upstream commit 1f1496a923b6ba16679074fe77100e1b53cdb880 ]
Setup the port uartclk in sifive_serial_probe() so that the base baud
rate is correctly printed during device probe instead of always showing
"0". I.e. the probe message is changed from
3800.serial: ttySIF0 a
From: Damien Le Moal
[ Upstream commit 11f4c2e940e2f317c9d8fb5a79702f2a4a02ff98 ]
If of_clk_init() is not called in time_init(), clock providers defined
in the system device tree are not initialized, resulting in failures for
other devices to initialize due to missing clocks.
Similarly to other
From: Josef Bacik
commit 18d3bff411c8d46d40537483bdc0b61b33ce0371 upstream.
This was partially fixed by f3e3d9cc3525 ("btrfs: avoid possible signal
interruption of btrfs_drop_snapshot() on relocation tree"), however it
missed a spot when we restart a trans handle because we need to end the
trans
From: Peter Geis
[ Upstream commit f4eccc7fea203cfb35205891eced1ab51836f362 ]
Current implementation defaults the hda clocks to clk_m. This causes hda
to run too slow to operate correctly. Fix this by defaulting to pll_p and
setting the frequency to the correct rate.
This matches upstream t124
From: Arnd Bergmann
[ Upstream commit c35a824c31834d947fb99b0c608c1b9f922b4ba0 ]
With UBSAN enabled and building with clang, there are occasionally
warnings like
WARNING: modpost: vmlinux.o(.text+0xc533ec): Section mismatch in reference from
the function arch_atomic64_or() to the variable .ini
From: Josef Bacik
commit 34d1eb0e599875064955a74712f08ff14c8e3d5f upstream.
If we fail to update a block group item in the loop we'll break, however
we'll do btrfs_run_delayed_refs and lose our error value in ret, and
thus not clean up properly. Fix this by only running the delayed refs
if ther
From: David Woodhouse
[ Upstream commit b36b0fe96af13460278bf9b173beced1bd15f85d ]
It's useful to be able to test non-vector event channel delivery, to make
sure Linux will work properly on older Xen which doesn't have it.
It's also useful for those working on Xen and Xen-compatible hypervisors
From: Ben Skeggs
[ Upstream commit e05e06cd34f5311f677294a08b609acfbc315236 ]
Whatever it is that we were doing before doesn't work on Ampere.
Signed-off-by: Ben Skeggs
Signed-off-by: Sasha Levin
---
drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf100.c | 10 +++---
drivers/gpu/drm/nouveau/nv
From: Peter Collingbourne
commit b503087445ce7e45fabdee87ca9e460d5b5b5168 upstream.
If extended CSD was not available, the eMMC driver would incorrectly
set the block size to 0, as the data_sector_size field of ext_csd
was never initialized. This issue was exposed by commit 817046ecddbc
("block:
From: Filipe Manana
commit 518837e65068c385dddc0a87b3e577c8be7c13b1 upstream.
When an incremental send finds an extent that is shared, it checks which
file extent items in the range refer to that extent, and for those it
emits clone operations, while for others it emits regular write operations
From: Andy Lutomirski
commit 67de8dca50c027ca0fa3b62a488ee5035036a0da upstream.
The default kernel_fpu_begin() doesn't work on systems that support XMM but
haven't yet enabled CR4.OSFXSR. This causes crashes when _mmx_memcpy() is
called too early because LDMXCSR generates #UD when the aforement
From: Ben Skeggs
[ Upstream commit 402a89660e9dc880710b12773076a336c9dab3d7 ]
This issue has generally been covered up by the presence of additional
expansion ROMs after the ones we're interested in, with header fetches
of subsequent images loading enough of the ROM to hide the issue.
Noticed o
From: Yazen Ghannam
commit 76e2fc63ca40977af893b724b00cc2f8e9ce47a4 upstream.
Set the maximum DIE per package variable on AMD using the
NodesPerProcessor topology value. This will be used by RAPL, among
others, to determine the maximum number of DIEs on the system in order
to do per-DIE manipula
From: Billy Tsai
[ Upstream commit 92ff62a7bcc17d47c0ce8dddfb7a6e1a2e55ebf4 ]
The SCU offset for signal PWM8 in group PWM8G0 is wrong, fix it from
SCU414 to SCU4B4.
Signed-off-by: Billy Tsai
Fixes: 2eda1cdec49f ("pinctrl: aspeed: Add AST2600 pinmux support")
Reviewed-by: Joel Stanley
Reviewed
From: Hangbin Liu
[ Upstream commit fd23d2dc180fccfad4b27a8e52ba1bc415d18509 ]
The previous test added an address with a specified metric and check if
correspond route was created. I somehow added two logs for the same
test. Remove the duplicated one.
Reported-by: Antoine Tenart
Fixes: 0d29169
From: Eric Dumazet
commit e4bedf48aaa5552bc1f49703abd17606e7e6e82a upstream.
iproute2 probably never goes beyond 8 for the cell exponent,
but stick to the max shift exponent for signed 32bit.
UBSAN reported:
UBSAN: shift-out-of-bounds in net/sched/sch_api.c:389:22
shift exponent 130 is too larg
From: Josef Bacik
commit 49ecc679ab48b40ca799bf94b327d5284eac9e46 upstream.
Zygo reported the following KASAN splat:
BUG: KASAN: use-after-free in btrfs_backref_cleanup_node+0x18a/0x420
Read of size 8 at addr 888112402950 by task btrfs/28836
CPU: 0 PID: 28836 Comm: btrfs Tainted: G
From: Takashi Iwai
commit 217bfbb8b0bfa24619b11ab75c135fec99b99b20 upstream.
snd_seq_oss_synth_make_info() didn't check the error code from
snd_seq_oss_midi_make_info(), and this leads to the call of strlcpy()
with the uninitialized string as the source, which may lead to the
access over the lim
From: Shuming Fan
[ Upstream commit 6108f990c0887d3e8f1db2d13c7012e40a061f28 ]
To avoid calibration time-out, this patch adds the mutex between calibration
and power state changes
Signed-off-by: Shuming Fan
Link: https://lore.kernel.org/r/20201217085651.24580-1-shumi...@realtek.com
Signed-off
From: Paul Cercueil
commit 9a85c09a3f507b925d75cb0c7c8f364467038052 upstream.
- JZ4760 and JZ4760B have a similar register layout as the JZ4740, and
don't use the new register layout, which was introduced with the
JZ4770 SoC and not the JZ4760 or JZ4760B SoCs.
- The JZ4740 code path only ex
From: Heikki Krogerus
commit 9bba96275576da0cf78ede62aeb2fc975ed8a32d upstream.
There are several reports about the tps6598x causing
interrupt flood on boards with the INT3515 ACPI node, which
then causes instability. There appears to be several
problems with the interrupt. One problem is that t
From: Stanley Chu
[ Upstream commit 21acf4601cc63cf564c6fc1a74d81b191313c929 ]
UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL is intended to skip enabling
fWriteBoosterBufferFlushEn while WriteBooster is initializing. Therefore
it is better to apply the checking during WriteBooster initialization only.
From: Chris Wilson
commit 45db630e5f7ec83817c57c8ae387fe219bd42adf upstream.
Since we allow removing the timeline map at runtime, there is a risk
that rq->hwsp points into a stale page. To control that risk, we hold
the RCU read lock while reading *rq->hwsp, but we missed a couple of
important b
From: Chuck Lever
[ Upstream commit 4a85a6a3320b4a622315d2e0ea91a1d2b013bce4 ]
Daire Byrne reports a ~50% aggregrate throughput regression on his
Linux NFS server after commit da1661b93bf4 ("SUNRPC: Teach server to
use xprt_sock_sendmsg for socket sends"), which replaced
kernel_send_page() calls
From: Anthony Iliopoulos
[ Upstream commit f7b347acb5f6c29d9229bb64893d8b6a2c7949fb ]
The integrity target relies on skcipher for encryption/decryption, but
certain kernel configurations may not enable CRYPTO_SKCIPHER, leading to
compilation errors due to unresolved symbols. Explicitly select
CR
From: Filipe Laíns
[ Upstream commit e400071a805d6229223a98899e9da8c6233704a1 ]
Tested. The device gets correctly exported to userspace and I can see
mouse and keyboard events.
Signed-off-by: Filipe Laíns
Signed-off-by: Jiri Kosina
Signed-off-by: Sasha Levin
---
drivers/hid/hid-logitech-dj.
From: Nilesh Javali
[ Upstream commit d50c7986fbf0e2167279e110a2ed5bd8e811c660 ]
The CHAP secret displayed garbage characters causing iSCSI login
authentication failure. Correct the CHAP password max length.
Link: https://lore.kernel.org/r/20201217105144.8055-1-njav...@marvell.com
Reviewed-by:
From: Dinghao Liu
[ Upstream commit 3b01d7ea4dae907d34fa0eeb3f17bacd714c6d0c ]
When sdeb_zbc_model does not match BLK_ZONED_NONE, BLK_ZONED_HA or
BLK_ZONED_HM, we should free sdebug_q_arr to prevent memleak. Also there is
no need to execute sdebug_erase_store() on failure of sdeb_zbc_model_str()
From: Arnd Bergmann
[ Upstream commit c35a824c31834d947fb99b0c608c1b9f922b4ba0 ]
With UBSAN enabled and building with clang, there are occasionally
warnings like
WARNING: modpost: vmlinux.o(.text+0xc533ec): Section mismatch in reference from
the function arch_atomic64_or() to the variable .ini
From: Ben Skeggs
[ Upstream commit 402a89660e9dc880710b12773076a336c9dab3d7 ]
This issue has generally been covered up by the presence of additional
expansion ROMs after the ones we're interested in, with header fetches
of subsequent images loading enough of the ROM to hide the issue.
Noticed o
From: David Woodhouse
[ Upstream commit b36b0fe96af13460278bf9b173beced1bd15f85d ]
It's useful to be able to test non-vector event channel delivery, to make
sure Linux will work properly on older Xen which doesn't have it.
It's also useful for those working on Xen and Xen-compatible hypervisors
From: Sagar Shrikant Kadam
[ Upstream commit 0983834a83931606a647c275e5d4165ce4e7b49f ]
Ethernet phy VSC8541-01 on HiFive Unleashed has its reset line
connected to a gpio, so enable GPIO driver's required to reset
the phy.
Signed-off-by: Sagar Shrikant Kadam
Signed-off-by: Palmer Dabbelt
Sign
From: Victor Zhao
[ Upstream commit f14a5c34d143f6627f0be70c0de1d962f3a6ff1c ]
psp GFX_CTRL_CMD_ID_CONSUME_CMD different for windows and linux,
according to psp, linux cmds are not correct.
v2: only correct GFX_CTRL_CMD_ID_CONSUME_CMD.
Signed-off-by: Victor Zhao
Reviewed-by: Emily.Deng
Signe
From: Krzysztof Kozlowski
[ Upstream commit 9ecd1d2b302b600351fac50779f43fcb680c1a16 ]
The I2C_SPRD uses Common Clock Framework thus it cannot be built on
platforms without it (e.g. compile test on MIPS with LANTIQ):
/usr/bin/mips-linux-gnu-ld: drivers/i2c/busses/i2c-sprd.o: in function
`s
From: Slaveyko Slaveykov
commit cf5b1385d748b2f91b0c05bb301fcaf9bdbad385 upstream.
After an I2C reset command, the mlx90632 needs some time before
responding to other I2C commands. Without that delay, there is a chance
that the I2C command(s) after the reset will not be accepted.
Signed-off-by:
From: Lars-Peter Clausen
commit efd597b2839a9895e8a98fcb0b76d2f545802cd4 upstream.
The power-down mask of the ad5504 is actually a power-up mask. Meaning if
a bit is set the corresponding channel is powered up and if it is not set
the channel is powered down.
The driver currently has this the w
From: Song Liu
[ Upstream commit 7ac6ad051150592557520b45773201b987ecfce3 ]
syzbot reported a WARNING for allocating too big memory:
WARNING: CPU: 1 PID: 8484 at mm/page_alloc.c:4976
__alloc_pages_nodemask+0x5f8/0x730 mm/page_alloc.c:5011
Modules linked in:
CPU: 1 PID: 8484 Comm: syz-executor8
From: Neta Ostrovsky
[ Upstream commit 7c7b3e5d9aeed31d35c5dab0bf9c0fd4c8923206 ]
In default_roce_mode_store(), we took a reference to cma_dev, but didn't
return it with cma_dev_put in the error flow.
Fixes: 1c15b4f2a42f ("RDMA/core: Modify enum ib_gid_type and enum
rdma_network_type")
Link: h
From: Andy Lutomirski
commit 67de8dca50c027ca0fa3b62a488ee5035036a0da upstream.
The default kernel_fpu_begin() doesn't work on systems that support XMM but
haven't yet enabled CR4.OSFXSR. This causes crashes when _mmx_memcpy() is
called too early because LDMXCSR generates #UD when the aforement
From: Mathias Kresin
commit 599b3063adf4bf041a87a69244ee36aded0d878f upstream.
Since commit 55567976629e ("genirq/irqdomain: Allow partial trimming of
irq_data hierarchy") the irq_data chain is valided.
The irq_domain_trim_hierarchy() function doesn't consider the irq + ipi
domain hierarchy as
From: Longfang Liu
commit 643a4df7fe3f6831d14536fd692be85f92670a52 upstream.
The system that use Synopsys USB host controllers goes to suspend
when using USB audio player. This causes the USB host controller
continuous send interrupt signal to system, When the number of
interrupts exceeds 10
From: Peter Chen
commit 92cbdb923c17544684c2dd3be9f8636617898a44 upstream.
The memory for struct clk_bulk_data should not be static which will be written
during the clk_bulk_get. It fixed below oops when loading cdns3-imx as module.
[ 17.272605] Unable to handle kernel write to read-only memo
From: Shakeel Butt
commit 8a8792f600abacd7e1b9bb667759dca1c153f64c upstream.
The kernel updates the per-node NR_FILE_DIRTY stats on page migration
but not the memcg numa stats.
That was not an issue until recently the commit 5f9a4f4a7096 ("mm:
memcontrol: add the missing numa_stat interface for
From: Kent Gibson
commit 2fe7c2f99440d52613e1cf845c96e8e463c28111 upstream.
Some platforms, such as mips64, don't map __u64 to long long unsigned
int so using %llu produces a warning:
gpio-event-mon.c:110:37: warning: format ‘%llu’ expects argument of type ‘long
long unsigned int’, but argumen
From: Pavel Begunkov
commit 9a173346bd9e16ab19c7addb8862d95a5cea9feb upstream.
Sockets and other non-regular files may actually expect short reads to
happen, don't retry reads for them. Because non-reg files don't set
FMODE_BUF_RASYNC and so it won't do second/retry do_read, we can filter
out th
From: Jinyang He
commit 19170492735be935747b0545b7eed8bb40cc1209 upstream.
Fixes: e1cc9d8d596e ("sh: switch to copy_thread_tls()")
Signed-off-by: Jinyang He
Signed-off-by: Rich Felker
Signed-off-by: Greg Kroah-Hartman
---
arch/sh/Kconfig |1 -
1 file changed, 1 deletion(-)
--- a/arch/
From: Xiaoming Ni
commit 697edcb0e4eadc41645fe88c991fe6a206b1a08d upstream.
The process_sysctl_arg() does not check whether val is empty before
invoking strlen(val). If the command line parameter () is incorrectly
configured and val is empty, oops is triggered.
For example:
"hung_task_panic=
From: Anshuman Gupta
commit b3c95d0bdb0855b1f28370629e9eebec6bceac17 upstream.
When crtc state need_modeset is true it is not necessary
it is going to be a real modeset, it can turns to be a
fastset instead of modeset.
This turns content protection property to be DESIRED and hdcp
update_pipe lef
From: Pan Bian
commit 97784481757fba7570121a70dd37ca74a29f50a8 upstream.
The allocated page is not released if error occurs in
nvm_submit_io_sync_raw(). __free_page() is moved ealier to avoid
possible memory leak issue.
Fixes: aff3fb18f957 ("lightnvm: move bad block and chunk state logic to cor
From: Matteo Croce
commit a826b04303a40d52439aa141035fca5654ccaccd upstream.
The ff00::/8 multicast route is created without specifying the fc_protocol
field, so the default RTPROT_BOOT value is used:
$ ip -6 -d route
unicast ::1 dev lo proto kernel scope global metric 256 pref medium
uni
From: Peter Zijlstra
commit 0afda3a888dccf12557b41ef42eee942327d122b upstream.
When the compiler doesn't feel like inlining, it causes a noinstr
fail:
vmlinux.o: warning: objtool: lock_is_held_type()+0xb: call to
lockdep_enabled() leaves .noinstr.text section
Fixes: 4d004099a668 ("lockdep:
From: Douglas Anderson
commit cf9d052aa6005f1e8dfaf491d83bf37f368af69e upstream.
In Linux, if a driver does disable_irq() and later does enable_irq()
on its interrupt, I believe it's expecting these properties:
* If an interrupt was pending when the driver disabled then it will
still be pendin
From: Eric Dumazet
commit b160c28548bc0a87cbd16d5af6d3edcfd70b8c9a upstream.
Heiner Kallweit reported that some skbs were sent with
the following invalid GSO properties :
- gso_size > 0
- gso_type == 0
This was triggerring a WARN_ON_ONCE() in rtl8169_tso_csum_v2.
Juerg Haefliger was able to re
From: Enke Chen
commit 9d9b1ee0b2d1c9e02b2338c4a4b0a062d2d3edac upstream.
The TCP session does not terminate with TCP_USER_TIMEOUT when data
remain untransmitted due to zero window.
The number of unanswered zero-window probes (tcp_probes_out) is
reset to zero with incoming acks irrespective of
From: Christoph Hellwig
commit fa0732168fa1369dd089e5b06d6158a68229f7b7 upstream.
Properly unwind step by step using refactored helpers from nvme_unmap_data
to avoid a potential double dma_unmap on a mapping failure.
Fixes: 7fe07d14f71f ("nvme-pci: merge nvme_free_iod into nvme_unmap_data")
Rep
From: Linus Torvalds
commit 9bb48c82aced07698a2d08ee0f1475a6c4f6b266 upstream.
This makes the tty layer use the .write_iter() function instead of the
traditional .write() functionality.
That allows writev(), but more importantly also makes it possible to
enable .splice_write() for ttys, reinsta
From: Douglas Anderson
commit a95881d6aa2c000e3649f27a1a7329cf356e6bb3 upstream.
In commit 4b7618fdc7e6 ("pinctrl: qcom: Add irq_enable callback for
msm gpio") we tried to Ack interrupts during unmask. However, that
patch forgot to check "intr_ack_high" so, presumably, it only worked
for a cert
From: Yingjie Wang
commit b7ba6cfabc42fc846eb96e33f1edcd3ea6290a27 upstream.
In rvu_mbox_handler_cgx_mac_addr_get()
and rvu_mbox_handler_cgx_mac_addr_set(),
the msg is expected only from PFs that are mapped to CGX LMACs.
It should be checked before mapping,
so we add the is_cgx_config_permitted(
From: Geert Uytterhoeven
commit f6a2e94b3f9d89cb40771ff746b16b5687650cbb upstream.
sh_eth_close() does a synchronous power down of the device before
marking it closed. Revert the order, to make sure the device is never
marked opened while suspended.
While at it, use pm_runtime_put() instead of
From: Anshuman Gupta
commit 8662e1119a7d1baa1b2001689b2923e9050754bd upstream.
Get DRM connector reference count while scheduling a prop work
to avoid any possible destroy of DRM connector when it is in
DRM_CONNECTOR_REGISTERED state.
Fixes: a6597faa2d59 ("drm/i915: Protect workers against disa
From: Necip Fazil Yildiran
commit f477a538c14d07f8c45e554c8c5208d588514e98 upstream.
When G2_DMA is enabled and SH_DMA is disabled, it results in the following
Kbuild warning:
WARNING: unmet direct dependencies detected for SH_DMA_API
Depends on [n]: SH_DMA [=n]
Selected by [y]:
- G2_DMA
From: Kai-Heng Feng
commit ef4d764c99f792b725d4754a3628830f094f5c58 upstream.
System takes a very long time to suspend after commit 215a22ed31a1
("ALSA: hda: Refactor codec PM to use direct-complete optimization"):
[ 90.065964] PM: suspend entry (s2idle)
[ 90.067337] Filesystems sync: 0.001
From: Kuniyuki Iwashima
commit c89dffc70b340780e5b933832d8c3e045ef3791e upstream.
Receiving ACK with a valid SYN cookie, cookie_v4_check() allocates struct
request_sock and then can allocate inet_rsk(req)->ireq_opt. After that,
tcp_v4_syn_recv_sock() allocates struct sock and copies ireq_opt to
From: Peter Zijlstra
commit a1d5c98aac33a5a0004ecf88905dcc261c52f988 upstream.
When the compiler fails to inline, it violates nonisntr:
vmlinux.o: warning: objtool: __sev_es_nmi_complete()+0xc7: call to
sev_es_wr_ghcb_msr() leaves .noinstr.text section
Fixes: 4ca68e023b11 ("x86/sev-es: Hand
From: Christoph Hellwig
commit 4eaad21a6ac9865df7f31983232ed5928450458d upstream.
Switch kernfs to implement the read_iter method instead of plain old
read to prepare to supporting splice and sendfile again.
Signed-off-by: Christoph Hellwig
Link: https://lore.kernel.org/r/20210120204631.274206
From: Hyunwook (Wooky) Baek
commit 7024f60d655272bd2ca1d3a4c9e0a63319b1eea1 upstream.
Don't assume dest/source buffers are userspace addresses when manually
copying data for string I/O or MOVS MMIO, as {get,put}_user() will fail
if handed a kernel address and ultimately lead to a kernel panic.
From: Linus Torvalds
commit 17749851eb9ca2298e7c3b81aae4228961b36f28 upstream.
In commit "tty: implement write_iter", I left the write_iter conversion
of the hung up tty case alone, because I incorrectly thought it didn't
matter.
Jiri showed me the errors of my ways, and pointed out the problem
On Mon, Jan 25, 2021 at 8:50 AM Lorenzo Pieralisi
wrote:
>
> On Wed, Jan 20, 2021 at 08:28:36PM +0100, Michael Walle wrote:
> > [RESEND, fat-fingered the buttons of my mail client and converted
> > all CCs to BCCs :(]
> >
> > Am 2021-01-20 20:02, schrieb Saravana Kannan:
> > > On Wed, Jan 20, 2021
From: Pan Bian
commit 0c630a66bf10991b0ef13d27c93d7545e692ef5b upstream.
On the error path, it should goto the error handling label to free
allocated memory rather than directly return.
Fixes: 31bc72d97656 ("net: systemport: fetch and use clock resources")
Signed-off-by: Pan Bian
Acked-by: Flo
Hi Paul,
> Am 24.01.2021 um 10:47 schrieb H. Nikolaus Schaller :
>
> Hi Paul,
>
>> Am 24.01.2021 um 10:43 schrieb Paul Cercueil :
>>
>> Hi Nikolaus,
>>
>> Le dim. 24 janv. 2021 à 10:30, H. Nikolaus Schaller a
>> écrit :
>>> Hi Paul,
>>> we observed the same issue on the jz4730 (which is almo
Commit 9bb48c82aced ("tty: implement write_iter") converted the tty
layer to use write_iter. Fix the redirected_tty_write declaration
also in n_tty and change the comparisons to use write_iter instead of
write.
Signed-off-by: Sami Tolvanen
---
drivers/tty/n_tty.c | 7 +++
1 file changed, 3 i
Configure a page table located in kexec-safe memory that has
the following mappings:
1. identity mapping for text of relocation function with executable
permission.
2. va mappings for all source ranges
3. va mappings for all destination ranges.
Signed-off-by: Pavel Tatashin
---
arch/arm64/in
From: James Morse
Because only the idmap sets a non-standard T0SZ, __cpu_set_tcr_t0sz()
can check for platforms that need to do this using
__cpu_uses_extended_idmap() before doing its work.
The idmap is only built with enough levels, (and T0SZ bits) to map
its single page.
To allow hibernate, a
On Tue, Jan 19, 2021 at 07:42:58AM -0600, Adam Ford wrote:
> There is a QSPI chip connected to the FlexSPI bus. Enable it.
>
> Signed-off-by: Adam Ford
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mn-beacon-som.dtsi
> b/arch/arm64/boot/dts/freescale/imx8mn-beacon-som.dtsi
> index 2120e64
Now, that we have transitional page tables configured, temporarily enable
MMU to allow faster relocation of segments to final destination.
The performance data: for a moderate size kernel + initramfs: 25M the
relocation was taking 0.382s, with enabled MMU it now takes
0.019s only or x20 improvemen
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