From: Minchan Kim
commit 6538b8ea886e472f4431db8ca1d60478f838d14b upstream
While I play inhouse patches with much memory pressure on qemu-kvm,
3.14 kernel was randomly crashed. The reason was kernel stack overflow.
When I investigated the problem, the callstack was a little bit deeper
by involv
From: He Zhe
Add a resource controller for limiting the number of open
file handles. This allows us to catch misbehaving processes
and return EMFILE instead of ENOMEM for kernel memory limits.
Signed-off-by: Binder Makin
Port from lkml: https://lkml.org/lkml/2014/7/2/640
Correct wrong handlin
From: He Zhe
Enable file handles resource controller for convenience
Signed-off-by: He Zhe
---
meta/cfg/kernel-cache/features/cgroups/cgroups.cfg |1 +
1 file changed, 1 insertion(+)
diff --git a/meta/cfg/kernel-cache/features/cgroups/cgroups.cfg
b/meta/cfg/kernel-cache/features/cgroups/
From: Binder Makin
lkml https://lkml.org/lkml/2014/7/2/640 upstream
Add a resource controller for limiting the number of open
file handles. This allows us to catch misbehaving processes
and return EMFILE instead of ENOMEM for kernel memory limits.
Signed-off-by: Binder Makin
Signed-off-by: He
From: He Zhe
The original patch is based on:
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
fad01e866afdbe01a1f3ec06a39c3a8b9e197014
3.15-rc8
Modify variable and macro in fs/filescontrol.c and include/linux/cgroup_subsys.h
according to target version. Correct wrong handling whi
From: Binder Makin
Add a resource controller for limiting the number of open
file handles. This allows us to catch misbehaving processes
and return EMFILE instead of ENOMEM for kernel memory limits.
Signed-off-by: Binder Makin
---
fs/Makefile |1 +
fs/file.c
From: He Zhe
The original patch is based on:
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
fad01e866afdbe01a1f3ec06a39c3a8b9e197014
3.15-rc8
Modify variable and macro in fs/filescontrol.c and include/linux/cgroup_subsys.h
according to target version. Correct wrong handling whi
From: Joe Perches
commit 2235ad1c3ac545bd8fc2c026be5be16d98b9a891 upstream
Add "openvswitch: " prefix to OVS_NLERR output
to match the other OVS_NLERR output of datapath.c
Signed-off-by: Joe Perches
Signed-off-by: Jesse Gross
Signed-off-by: He Zhe
---
net/openvswitch/flow_netlink.c | 2 ++
From: Daniele Di Proietto
commit 7085130bab2f9c5b8d61bff73b01dc8195d0f974 upstream
In few functions, const formal parameters are assigned or cast to
non-const.
These changes suppress warnings if compiled with -Wcast-qual.
Signed-off-by: Daniele Di Proietto
Signed-off-by: Jesse Gross
Signed-of
From: Daniele Di Proietto
commit d0b4da137508db3d38998eae7f62c0f9699ee08c upstream
This change, firstly, avoids declaring the formal parameter const,
since it is treated as non const. (to avoid -Wcast-qual)
Secondly, it cast the pointer from void* to u8*, since it is used
in arithmetic (to avoid
From: Daniele Di Proietto
commit cc23ebf3bb4348fb022c0d25494307459bb2e539 upstream
This is necessary, since u64 is not unsigned long long
in all architectures: u64 could be also uint64_t.
Signed-off-by: Daniele Di Proietto
Signed-off-by: Jesse Gross
Signed-off-by: He Zhe
---
net/openvswitch
From: Daniele Di Proietto
commit 07dc0602c5976cfc36ccffe5c6d73234f204d585 upstream
This function must cast a const value to a non const value.
By adding an uintptr_t cast the warning is suppressed.
To avoid the cast (proper solution) several function signatures
must be changed.
Signed-off-by: D
From: Joe Perches
commit 8c63ff09bddf944ab0033fea97aacfadfffa76de upstream
It's slightly smaller/faster for some architectures.
Signed-off-by: Joe Perches
Signed-off-by: Jesse Gross
Signed-off-by: He Zhe
---
net/openvswitch/actions.c | 4 ++--
net/openvswitch/flow.c | 16 +
From: Joe Perches
commit 1815a8831fb04c60d73627816cb0b596266e9bee upstream
Each use of pr__once has a per-site flag.
Some of the OVS_NLERR messages look as if seeing them
multiple times could be useful, so use net_ratelimit()
instead of pr_info_once.
Signed-off-by: Joe Perches
Signed-off-by:
From: Jarno Rajahalme
commit 23dabf88abb48a866fdb19ee08ebcf1ddd9b1840 upstream
The 5-tuple optimization becomes unnecessary with a later per-NUMA
node stats patch. Remove it first to make the changes easier to
grasp.
Signed-off-by: Jarno Rajahalme
Signed-off-by: Jesse Gross
Signed-off-by: He
From: Jarno Rajahalme
commit 63e7959c4b9bd6f791061c460a22d9ee32ae2240 upstream
Keep kernel flow stats for each NUMA node rather than each (logical)
CPU. This avoids using the per-CPU allocator and removes most of the
kernel-side OVS locking overhead otherwise on the top of perf reports
and allo
From: Jarno Rajahalme
commit 88d73f6c411ac2f057829b93b3cf202ee551f6cb upstream
We already extract the TCP flags for the key, might as well use that
for stats.
Signed-off-by: Jarno Rajahalme
Acked-by: Pravin B Shelar
Signed-off-by: Jesse Gross
Signed-off-by: He Zhe
---
net/openvswitch/flow.
From: Monam Agarwal
commit 944df8ae84d88f5e8eb027990dad2cfa4fbe4be5 upstream
This patch replaces rcu_assign_pointer(x, NULL) with RCU_INIT_POINTER(x, NULL)
The rcu_assign_pointer() ensures that the initialization of a structure
is carried out before storing a pointer to that structure.
And in t
From: Jarno Rajahalme
commit 6093ae9abac18871afd0bbc5cf093dff53112fcb upstream
Move most memory allocations away from the ovs_mutex critical
sections. vport allocations still happen while the lock is taken, as
changing that would require major refactoring. Also, vports are
created very rarely s
From: Jarno Rajahalme
commit fb5d1e9e127ad1542e5db20cd8620a1509baef69 upstream
Use netlink_has_listeners() and NLM_F_ECHO flag to determine if a
reply is needed or not for OVS_FLOW_CMD_NEW, OVS_FLOW_CMD_SET, or
OVS_FLOW_CMD_DEL. Currently, OVS userspace does not request a reply
for OVS_FLOW_CMD
From: Jarno Rajahalme
commit 56c19868e115fcf8d62d843e1b9616bb9837d0db upstream
Masks are inserted when flows are inserted to the table, so it is
logical to correspondingly remove masks when flows are removed from
the table, in ovs_flow_table_remove().
This allows ovs_flow_free() to be called wi
From: Jarno Rajahalme
commit d92ab13558599cf73bbc269ce257fe16575d327a upstream
The 'output' argument of the ovs_nla_put_flow() is the one from which
the bits are written to the netlink attributes. For SCTP we
accidentally used the bits from the 'swkey' instead. This caused the
mask attributes
From: Jarno Rajahalme
commit bb6f9a708d4067713afae2e9eb2637f6b4c01ecb upstream
Remove unnecessary locking from functions that are always called with
appropriate locking.
Signed-off-by: Jarno Rajahalme
Signed-off-by: Thomas Graf
Signed-off-by: Pravin B Shelar
Signed-off-by: He Zhe
---
net/o
From: Jarno Rajahalme
commit be52c9e96a6657d117bb0ec6e11438fb246af5c7 upstream
Flow SET can accept an empty set of actions, with the intended
semantics of leaving existing actions unmodified. This seems to have
been brokin after OVS 1.7, as we have assigned the flow's actions
pointer to NULL in
From: Jarno Rajahalme
commit 1139e241ec436b9e9610c7a33ac5c6657f87fda1 upstream
Minimize padding in sw_flow_key and move 'tp' top the main struct.
These changes simplify code when accessing the transport port numbers
and the tcp flags, and makes the sw_flow_key 8 bytes smaller on 64-bit
systems (
From: Jarno Rajahalme
commit eb07265904d6ee95497aba0f3cbd2ae6d9c39a97 upstream
Incorrect struct name was confusing, even though otherwise
inconsequental.
Signed-off-by: Jarno Rajahalme
Signed-off-by: Pravin B Shelar
Signed-off-by: He Zhe
---
net/openvswitch/flow_table.c | 2 +-
1 file chang
From: Ben Pfaff
commit ad55200734c65a3ec5d0c39d6ea904008baea536 upstream
Flow statistics need to take into account the TCP flags from the packet
currently being processed (in 'key'), not the TCP flags matched by the
flow found in the kernel flow table (in 'flow').
This bug made the Open vSwitch
From: Jarno Rajahalme
commit 0e9796b4af9ef490e203158cb738a5a4986eb75c upstream
Reduce and clarify locking requirements for ovs_flow_cmd_alloc_info(),
ovs_flow_cmd_fill_info() and ovs_flow_cmd_build_info().
A datapath pointer is available only when holding a lock. Change
ovs_flow_cmd_fill_info(
From: Jarno Rajahalme
commit 37bdc87ba00dadd0156db77ba48224d042202435 upstream
Following patch will be easier to reason about with separate
ovs_flow_cmd_new() and ovs_flow_cmd_set() functions.
Signed-off-by: Jarno Rajahalme
Signed-off-by: Pravin B Shelar
Signed-off-by: He Zhe
---
net/openvs
From: Andy Zhou
commit fe984c08e20f0fc2b4666bf8eeeb02605568387b upstream
When sample action returns with an error, the skb has already been
freed. This patch fix a bug to make sure we don't free it again.
This bug introduced by commit ccb1352e76cff05 (net: Add Open vSwitch
kernel components.)
S
From: Pravin B Shelar
commit 0c200ef94c9492205e18a18c25650cf27939889c upstream
Following patch get rid of struct genl_family_and_ops which is
redundant due to changes to struct genl_family.
Signed-off-by: Kyle Mestery
Acked-by: Kyle Mestery
Signed-off-by: Pravin B Shelar
Signed-off-by: He Zh
From: Jarno Rajahalme
commit 893f139b9a6c00c097b9082a90f3041cfb3a0d20 upstream
Signed-off-by: Jarno Rajahalme
Signed-off-by: Pravin B Shelar
Signed-off-by: He Zhe
---
net/openvswitch/datapath.c | 192 +++--
1 file changed, 116 insertions(+), 76 deletio
From: Jarno Rajahalme
commit 86ec8dbae27e5fa2b5d54f10f77286d9ef55732a upstream
For ovs_flow_stats_get() using ovsl_dereference() was wrong, since
flow dumps call this with RCU read lock.
ovs_flow_stats_clear() is always called with ovs_mutex, so can use
ovsl_dereference().
Also, make the ovs_f
From: Jarno Rajahalme
commit aed067783e505bf66dcafa8647d08619eb5b1c55 upstream
ovs_flow_cmd_del() now allocates reply (if needed) after the flow has
already been removed from the flow table. If the reply allocation
fails, a netlink error is signaled with netlink_set_err(), as is
already done in
From: Wei Zhang
commit e0bb8c44ed5cfcc56b571758ed966ee48779024c upstream
When use gre vport, openvswitch register a gre_cisco_protocol but
does not supply a err_handler with it. The gre_cisco_err() in
net/ipv4/gre_demux.c expect err_handler be provided with the
gre_cisco_protocol implementation,
From: Alex Wang
commit 4a46b24e147dfa9b858026da02cad0bdd4e149d2 upstream
Due to the race condition in userspace, there is chance that two
overlapping megaflows could be installed in datapath. And this
causes userspace unable to delete the less inclusive megaflow flow
even after it timeout, sinc
From: Al Viro
commit 09aaacf02a3e88870ed5cad038a5bc822c947904 upstream
Signed-off-by: Al Viro
Signed-off-by: He Zhe
---
drivers/vhost/net.c | 14 +++---
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index e1e22e0..be414d2 10064
From: Nicholas Bellinger
commit b1935f687bb93b207ef690f7debc0e9921fc484f upstream
This patch updates tcm_vhost_make_nexus() to pre-allocate per descriptor
tcm_vhost_cmd->tvc_prot_sgl[] used to expose protection SGLs from within
virtio-scsi guest memory to vhost-scsi.
Cc: Michael S. Tsirkin
Cc:
From: Nicholas Bellinger
commit 5a01d08217e39f3d36d3ca160361c7b019ff1598 upstream
Move the overflow check for sgl_count > TCM_VHOST_PREALLOC_SGLS into
vhost_scsi_map_iov_to_sgl() so that it's based on the total number
of SGLs for all IOVs, instead of single IOVs.
Also, rename TCM_VHOST_PREALLOC
From: "Michael S. Tsirkin"
commit ea16c51433510f7f758382dec5b933fc0797f244 upstream
Refactor code to make sure features are only accessed
under VQ mutex. This makes everything simpler, no need
for RCU here anymore.
Signed-off-by: Michael S. Tsirkin
Signed-off-by: He Zhe
---
drivers/vhost/net
From: Nicholas Bellinger
commit 95e7c4341b8e28dae5204378087c1e2a115abc82 upstream
This patch updates vhost_scsi_handle_vq() to check for the existance
of virtio_scsi_cmd_req_pi comparing vq->iov[0].iov_len in order to
calculate seperate data + protection SGLs from data_num.
Also update tcm_vhos
From: "Michael S. Tsirkin"
commit 47283bef7ed356629467d1fac61687756e48f254 upstream
commit 2ae76693b8bcabf370b981cd00c36cd41d33fabc
vhost: replace rcu with mutex
replaced rcu sync for memory accesses with VQ mutex locl/unlock.
This is correct since all accesses are under VQ mutex, but incomp
From: "Michael S. Tsirkin"
commit 23cc5a991c7a9fb7e6d6550e65cee4f4173111c5 upstream
Michael Mueller provided a patch to reduce the size of
vhost-net structure as some allocations could fail under
memory pressure/fragmentation. We are still left with
high order allocations though.
This patch is
From: "Michael S. Tsirkin"
commit 98f9ca0a3faa99b7388578d55eccecf272be4038 upstream
All memory accesses are done under some VQ mutex.
So lock/unlock all VQs is a faster equivalent of synchronize_rcu()
for memory access changes.
Some guests cause a lot of these changes, so it's helpful
to make th
From: Nicholas Bellinger
commit e31885dd901e80d5bd528c1cbedde07ebbf051b2 upstream
This patch adds vhost_scsi_map_iov_to_prot() to perform the mapping of
T10 data integrity memory between virtio iov + struct scatterlist using
get_user_pages_fast() following existing code.
As with vhost_scsi_map_
From: Nicholas Bellinger
commit 9f977ef7b671f6169eca78bf40f230fe84b7c7e5 upstream
This patch updates vhost_scsi_get_tag() to accept the combined
expected data transfer length + T10 PI bytes as the value passed
into target_submit_cmd().
This is required now that target-core logic in commit 14ef9
From: Daniel Borkmann
commit f8bbbfc3b97f4c7a6c7c23185e520b22bfc3a21d upstream
This patch adds a jited flag into sk_filter struct in order to indicate
whether a filter is currently jited or not. The size of sk_filter is
not being expanded as the 32 bit 'len' member allows upper bits to be
reused
From: Daniel Borkmann
commit fbc907f0b1386c02e00516aa78a0fa6b0454fd0b upstream
This patch basically does two things, i) removes the extern keyword
from the include/linux/filter.h file to be more consistent with the
rest of Joe's changes, and ii) moves filter accounting into the filter
core frame
From: Tom Herbert
commit 61b905da33ae25edb6b9d2a5de21e34c3a77efe3 upstream
The packet hash can be considered a property of the packet, not just
on RX path.
This patch changes name of rxhash and l4_rxhash skbuff fields to be
hash and l4_hash respectively. This includes changing uses of the
field
From: Daniel Borkmann
commit 7debf7806e0e984ea7e43cc271dc9400b0dffc14 upstream
Lets clean up bpf_dbg a bit and improve its code slightly
in various areas: i) Get rid of some macros as there's no
good reason for keeping them, ii) remove one unused variable
and reduce scope of various variables fo
From: Daniel Borkmann
commit a3ea269b8bcdbb0c5fa2fd449a436e7987446975 upstream
In order to open up the possibility to internally transform a BPF program
into an alternative and possibly non-trivial reversible representation, we
need to keep the original BPF program around, so that it can be pass
From: Alexei Starovoitov
commit bd4cf0ed331a275e9bf5a49e6d0fd55dffc551b8 upstream
This patch replaces/reworks the kernel-internal BPF interpreter with
an optimized BPF instruction set format that is modelled closer to
mimic native instruction sets and is designed to be JITed with one to
one mapp
From: Daniel Borkmann
commit 8c482cdc358ef931ee02262e0a4ef0f29946aa0c upstream
While reviewing seccomp code, we found that BPF_S_ANC_SECCOMP_LD_W has
been wrongly decoded by commit a8fc927780 ("sk-filter: Add ability to
get socket filter program (v2)") into the opcode BPF_LD|BPF_B|BPF_ABS
althou
From: Mathias Krause
commit 05ab8f2647e4221cbdb3856dd7d32bd5407316b3 upstream
The BPF_S_ANC_NLATTR and BPF_S_ANC_NLATTR_NEST extensions fail to check
for a minimal message length before testing the supplied offset to be
within the bounds of the message. This allows the subtraction of the nla
hea
From: Alexei Starovoitov
commit 83d5b7ef99c9f05e87333b334a638de1264ab8e4 upstream
exisiting BPF verifier allows uninitialized access to registers,
'ret A' is considered to be a valid filter.
So initialize A and X to zero to prevent leaking kernel memory
In the future BPF verifier will be rejecti
From: Chema Gonzalez
commit 4cd3675ebf74d7f559038ded6aa8088e4099a83d upstream
Added a new ancillary load (bpf call in eBPF parlance) that produces
a 32-bit random number. We are implementing it as an ancillary load
(instead of an ISA opcode) because (a) it is simpler, (b) allows easy
JITing, and
From: Cong Wang
commit 2f7ef2f8790f5bf53db4fc6b2310943139285827 upstream
When actions are attached to a filter, they are a part of the filter
itself, so when changing a filter we should allow to overwrite the actions
inside as well.
In my specific case, when I tried to _append_ a new action to
From: Daniel Borkmann
commit 5bcfedf06f7fdf9efcf65dc11198e9012f7530f4 upstream
This patch simplifies label naming for the BPF jump-table.
When we define labels via DL(), we just concatenate/textify
the combination of instruction opcode which consists of the
class, subclass, word size, target reg
From: Daniel Borkmann
commit 5f9fde5f799df7156eeb3fa58282e9fd2f38a5f8 upstream
The old interpreter behaviour was that we returned with 0
whenever we found a division by 0 would take place. In the new
interpreter we would currently just skip that instead and
continue execution.
It's true that a
From: Daniel Borkmann
commit 30743837dd204d2b04fd4e9d3db78cc7b118c81a upstream
The current code is a bit hard to parse on which registers can be used,
how they are mapped and all play together. It makes much more sense to
define this a bit more clearly so that the code is a bit more intuitive.
T
From: Brendan Hickey
commit e5744fe9d262d11131916d04ea79ea539fe296c0 upstream
The AND instruction is erroneously using the X register instead
of the K register.
Signed-off-by: Brendan Hickey
Signed-off-by: Daniel Borkmann
Signed-off-by: David S. Miller
Signed-off-by: He Zhe
---
tools/net/b
From: Daniel Borkmann
commit 01d32f6e5a3f709a90aadbb73723e77a96d67cb2 upstream
This minor patch fixes the following warning when doing
a `make htmldocs`:
DOCPROC Documentation/DocBook/networking.xml
Warning(.../net/core/filter.c:135): No description found for parameter 'insn'
Warning(.../net/
From: Alexei Starovoitov
Taken from https://lkml.org/lkml/2014/5/13/905
tracing: accelerate tracing filters with BPF
Tracing filters are parsing user supplied character string and constructing
a predicate tree. filter_match_preds() was used to walk nodes of the tree to
simulate matching of bool
From: "David S. Miller"
commit 1268e253a81e504bc5d5cb7f887dbd538984f137 upstream
Do not collide with the x86-64 PTRACE user API namespace.
net/core/filter.c:57:0: warning: "R8" redefined [enabled by default]
arch/x86/include/uapi/asm/ptrace-abi.h:38:0: note: this is the location of the
previou
From: Alexei Starovoitov
commit 9def624afdf2a8122eed5f2beec7448513c9a703 upstream
All tests should pass with and without JIT.
Example output:
test_bpf: #0 TAX 35 16 16 PASS
test_bpf: #1 TXA 7 7 7 PASS
test_bpf: #2 ADD_SUB_MUL_K 10 PASS
test_bpf: #3 DIV_KX 33 PASS
test_bpf: #4 AND_OR_LSH_K 10 10
From: Alexei Starovoitov
commit 64a8946b447e418b4283c3573ef397980cca0cd8 upstream
The testsuite covers classic and internal BPF instructions.
It is particularly useful for JIT compiler developers.
Adds to "net" selftest target.
The testsuite can be used as a set of micro-benchmarks.
It measures
From: Daniel Borkmann
commit eb9672f4a14bb7058c44efcc31c89737a7724d2c upstream
This contains only some minor misc cleanpus. We can spare us the
extra variable declaration in __skb_get_pay_offset(), the cast in
__get_random_u32() is rather unnecessary and in __sk_migrate_realloc()
we can remove t
From: Alexei Starovoitov
commit 9739eef13c926645fbf88bcb77e66442fa75d688 upstream
Introduce BPF helper macros to define instructions
(similar to old BPF_STMT/BPF_JUMP macros)
Use them while converting classic BPF to internal
and in BPF testsuite later.
Signed-off-by: Alexei Starovoitov
Signed
From: Alexei Starovoitov
commit f3c2af7ba17a83809806880062c9ad541744fb95 upstream
Split bpf_jit_compile() into two functions to improve readability
of for(pass++) loop. The change follows similar style of JIT compilers
for arm, powerpc, s390
The body of new do_jit() was not reformatted to reduc
From: Tom Herbert
commit e25909bcdf2e43caa4ea9b1283ade2749da35639 upstream
Drivers should call skb_set_hash to set the hash and its type
in an skbuff.
Signed-off-by: Tom Herbert
Tested-by: Aaron Brown
Signed-off-by: Jeff Kirsher
Signed-off-by: He Zhe
---
drivers/net/ethernet/intel/e1000e/n
From: Alexei Starovoitov
commit 622582786c9e041d0bd52bde201787adeab249f8 upstream
Maps all internal BPF instructions into x86_64 instructions.
This patch replaces original BPF x64 JIT with internal BPF x64 JIT.
sysctl net.core.bpf_jit_enable is reused as on/off switch.
Performance:
1. old BPF
From: Daniel Borkmann
commit 568f194e8bd16c353ad50f9ab95d98b20578a39d upstream
For the ppp driver, there are currently two open-coded BPF filters in use,
that is, pass_filter and active_filter. Migrate both to make proper use
of sk_unattached_filter_{create,destroy} API so that the actual BPF co
From: He Zhe
Revert unnecessary renaming for BPF. Build will fail if related drivers are
enabled but do not get updated accordingly.
Signed-off-by: He Zhe
---
arch/arm/net/bpf_jit_32.c | 4 ++--
arch/powerpc/net/bpf_jit_comp.c | 4 ++--
arch/s390/net/bpf_jit_comp.c| 8
ar
From: He Zhe
This is used to undo the previous commit "net: Rename skb->rxhash to skb->hash"
which introduces unnecessary renamings for BPF. Build will fail if related
drivers are enabled but do not get updated accordingly. Since the context has
been changed by other commits in the BPF set, some
From: He Zhe
This is the initial meta data for qemu arm64 bsp that supports qemu's virt for
aarch64.
Signed-off-by: He Zhe
---
.../bsp/qemuarm64/qemuarm64-standard.scc | 9 +++
meta/cfg/kernel-cache/bsp/qemuarm64/qemuarm64.cfg | 29 ++
meta/cfg/kernel-cache/
From: He Zhe
Please apply this set of patches on yocto-4.1 branch from
git://git.yoctoproject.org/yocto-kernel-cache
He Zhe (1):
yaffs2: Add patch to fix missing checkpoint
.../yaffs2-fix-missing-checkpoint-on-yaffs.patch | 85 ++
features/yaffs2/yaffs2.scc
From: He Zhe
Please apply this set of patches on master branch from
git://git.yoctoproject.org/yocto-kernel-cache
He Zhe (1):
yaffs2: Add patch to fix missing checkpoint
.../yaffs2-fix-missing-checkpoint-on-yaffs.patch | 85 ++
features/yaffs2/yaffs2.scc
From: He Zhe
Signed-off-by: He Zhe
---
.../yaffs2-fix-missing-checkpoint-on-yaffs.patch | 85 ++
features/yaffs2/yaffs2.scc | 1 +
2 files changed, 86 insertions(+)
create mode 100644 features/yaffs2/yaffs2-fix-missing-checkpoint-on-yaffs.patch
d
From: He Zhe
Signed-off-by: He Zhe
---
.../yaffs2-fix-missing-checkpoint-on-yaffs.patch | 85 ++
features/yaffs2/yaffs2.scc | 1 +
2 files changed, 86 insertions(+)
create mode 100644 features/yaffs2/yaffs2-fix-missing-checkpoint-on-yaffs.patch
d
From: He Zhe
Signed-off-by: He Zhe
---
bsp/intel-x86/intel-x86-32-preempt-rt.scc | 9 +
bsp/intel-x86/intel-x86-64-preempt-rt.scc | 8
2 files changed, 17 insertions(+)
create mode 100644 bsp/intel-x86/intel-x86-32-preempt-rt.scc
create mode 100644 bsp/intel-x86/intel-x86-64-
From: He Zhe
Signed-off-by: He Zhe
---
cfg/rbd.cfg | 1 +
cfg/rbd.scc | 4
2 files changed, 5 insertions(+)
create mode 100644 cfg/rbd.cfg
create mode 100644 cfg/rbd.scc
diff --git a/cfg/rbd.cfg b/cfg/rbd.cfg
new file mode 100644
index 000..156a099
--- /dev/null
+++ b/cfg/rbd.cfg
@@
From: He Zhe
Signed-off-by: He Zhe
---
cfg/docker.cfg | 10 ++
cfg/docker.scc | 4
2 files changed, 14 insertions(+)
create mode 100644 cfg/docker.cfg
create mode 100644 cfg/docker.scc
diff --git a/cfg/docker.cfg b/cfg/docker.cfg
new file mode 100644
index 000..c678c94
---
From: Sebastian Andrzej Siewior
commit 97731753d44d5efcb95b994dc952c0e8195b3e96 upstream
This patch reverts commit c7f26ccfb2c3 ("mm/vmstat.c: fix
vmstat_update() preemption BUG").
Steven saw a "using smp_processor_id() in preemptible" message and
added a preempt_disable() section around it to k
From: Sebastian Andrzej Siewior
The powerpc port won't compile and abort with "Error: operand out of
range" because the TIF_NEED_RESCHED_LAZY uses bit 20 which is larger
than 15 which is the upper limit.
Swap it with TIF_32BIT and fixup the assembly in one assembly file to
get it to compile again
From: Sebastian Andrzej Siewior
The powerpc port won't compile and abort with "Error: operand out of
range" because the TIF_NEED_RESCHED_LAZY uses bit 20 which is larger
than 15 which is the upper limit.
Swap it with TIF_32BIT and fixup the assembly in one assembly file to
get it to compile again
From: He Zhe
unreferenced object 0x9643edb89900 (size 256):
comm "sd-resolve", pid 220, jiffies 4295016710 (age 208.256s)
hex dump (first 32 bytes):
01 00 00 00 00 00 00 00 03 00 74 f3 ba b1 b6 b5 ..t.
65 3e 00 00 00 00 00 00 90 f9 a0 ed 43 96 ff ff e>..C...
From: He Zhe
patch from https://lkml.org/lkml/2014/7/29/119
Ipv4 net namespace requires a similar logic change as commit a79ca223e029
[ipv6: fix bad free of addrconf_init_net] introduces for newer kernels.
Since a net namespace is independent to another. That is, there
is no any relationship be
From: He Zhe
patch from https://lkml.org/lkml/2014/7/29/119
Ipv4 net namespace requires a similar logic change as commit a79ca223e029
[ipv6: fix bad free of addrconf_init_net] introduces for newer kernels.
Since a net namespace is independent to another. That is, there
is no any relationship be
From: "J. R. Okajima"
commit 3a33601796d4139286c57cd15bf7d88d00aa7674 upstream
Signed-off-by: J. R. Okajima
fs/aufs/vdir.c: In function 'fillvdir':
fs/aufs/vdir.c:493:15: warning: 'ino' may be used uninitialized in this
function [-Wmaybe-uninitialized]
arg->err = au_nhash_append_wh
From: He Zhe
See https://lore.kernel.org/patchwork/patch/1011368/ for upstream status.
kmemleak_lock, as a rwlock on RT, can possibly be held in atomic context and
causes the follow BUG.
BUG: scheduling while atomic: migration/15/132/0x0002
Modules linked in: iTCO_wdt iTCO_vendor_support in
From: Jeff Kirsher
This reverts commit 59361316afcb08569af21e1af83e89c7051c055a.
Due to problems found in additional testing, this causes an illegal
context switch in the RCU read-side critical section.
CC: Dave Jones
CC: Cong Wang
CC: Jan Jablonsky
Signed-off-by: Jeff Kirsher
Signed-off-by
From: He Zhe
https://lore.kernel.org/lkml/41c574bfdce7490597079dae8f328...@svr-chch-ex1.atlnz.lc/
The initialization code of interrupt backoff work might reference NULL
pointer and cause the following crash, if no port was found.
[ 10.017727] CPU 0 Unable to handle kernel paging request at vi
From: He Zhe
This is written by Jens Axboe .
https://lore.kernel.org/lkml/a0fcb119-82e7-c9b2-ea76-6aa39bd33...@windriver.com/
LTP case read_all_proc(read_all -d /proc -q -r 10) often, but not every time,
fails with the following call traces, since 600335205b8d
"ide: convert to blk-mq"(5.0-rc1)
From: Sebastian Andrzej Siewior
The lazy-preempt uses the wrong return label in case preemption isn't
possible. This results crash while returning to the kernel.
Use the correct return label if preemption isn' possible.
Reported-by: Andri Yngvason
Signed-off-by: Sebastian Andrzej Siewior
com
From: He Zhe
The following upstream commits have renamed INTEL_RDT to RESCTRL.
6fe07ce35e8a ("x86/resctrl: Rename the config option INTEL_RDT to RESCTRL")
e6d429313ea5 ("x86/resctrl: Avoid confusion over the new X86_RESCTRL config")
Signed-off-by: He Zhe
---
bsp/intel-x86/intel-x86-64.cfg | 4
From: He Zhe
In the following commits, these two options have been replaced by
CONFIG_AUDITSYSCALL which is in audit.cfg.
c8fc5d49c341 ("audit: remove WATCH and TREE config options")
cb74ed278f80 ("audit: always enable syscall auditing when supported and audit
is enabled")
Signed-off-by: He Zh
From: "Steven Rostedt (VMware)"
He Zhe reported a crash by enabling trace events and selecting
"userstacktrace" which will read the stack of userspace for every trace
event recorded. Zhe narrowed it down to:
c3bc8fd637a9 ("tracing: Centralize preemptirq tracepoints and unify their
usage")
Wit
From: He Zhe
b470fb994ebd ("tracing/x86: Save CR2 before tracing irqsoff on error_entry")
misses a "#ifdef".
Signed-off-by: He Zhe
---
arch/x86/entry/common.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c
index 48a0a59..56d54d30 100644
From: Liu Haitao
The following call trace would be triggered as kmemleak is running.
BUG: sleeping function called from invalid context at
kernel/locking/rtmutex.c:974
in_atomic(): 1, irqs_disabled(): 1, pid: 2401, name: kmemleak
Preemption disabled at:
[] scan_block+0x31/0x120
CPU: 12 PID: 247
From: Guenter Roeck
Define __NR_pidfd_send_signal if it isn't to prevent a compilation error.
To make pidfd-metadata compile on all arches, irrespective of whether
or not syscall numbers are assigned, define the syscall number to -1.
If it isn't defined this will cause the kernel to return -ENOS
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