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In rxrpc_input_data(), rxrpc_notify_socket() is called if the base sequence
number of the packet is immediately following the hard-ack point at the end
of the function. However, this isn't sufficient, since the recvmsg side
may have been advancing the window and then overrun the position in which
we're adding - at which point rx_hard_ack >= seq0 and no notification is
generated.
Fix this by always generating a notification at the end of the input
function.
Without this, a long call may stall, possibly indefinitely.
Fixes: 248f219cb8bc ("rxrpc: Rewrite the data and ack handling code")
Signed-off-by: David Howells <dhowells@redhat.com>
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Fix rxrpc_put_local() to not access local->debug_id after calling
atomic_dec_return() as, unless that returned n==0, we no longer have the
right to access the object.
Fixes: 06d9532fa6b3 ("rxrpc: Fix read-after-free in rxrpc_queue_local()")
Signed-off-by: David Howells <dhowells@redhat.com>
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VF numbers were assigned to node_guid and port_guid, but cleared
right before such query calls were issued. It caused to return
node/port GUIDs of VF index 0 for all VFs.
Fixes: 30aad41721e0 ("net/core: Add support for getting VF GUIDs")
Reported-by: Adrian Chiris <adrianc@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If CONFIG_MPTCP=y, CONFIG_MPTCP_IPV6=n, and CONFIG_IPV6=m:
ERROR: "mptcp_handle_ipv6_mapped" [net/ipv6/ipv6.ko] undefined!
This does not happen if CONFIG_MPTCP_IPV6=y, as CONFIG_MPTCP_IPV6
selects CONFIG_IPV6, and thus forces CONFIG_IPV6 builtin.
As exporting a symbol for an empty function would be a bit wasteful, fix
this by providing a dummy version of mptcp_handle_ipv6_mapped() for the
CONFIG_MPTCP_IPV6=n case.
Rename mptcp_handle_ipv6_mapped() to mptcpv6_handle_mapped(), to make it
clear this is a pure-IPV6 function, just like mptcpv6_init().
Fixes: cec37a6e41aae7bf ("mptcp: Handle MP_CAPABLE options for outgoing connections")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert the equivalent but rather odd uses of kmemdup with
__GFP_ZERO to the more common kstrdup and avoid unnecessary
zeroing of copied over memory.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 6cd021a58c18a ("udp: segment looped gso packets correctly")
fixes an issue with rare udp gso multicast packets looped onto the
receive path.
The stable backport makes the narrowest change to target only these
packets, when needed. As opposed to, say, expanding __udp_gso_segment,
which is harder to reason to be free from unintended side-effects.
But the resulting code is hardly self-describing.
Document its purpose and rationale.
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As the MPTCP HMAC test is integrated into the MPTCP code, it can be
built only when MPTCP is enabled. Hence when MPTCP is disabled, asking
the user if the test code should be enabled is futile.
Wrap the whole block of MPTCP-specific config options inside a check for
MPTCP. While at it, drop the "default n" for MPTCP_HMAC_TEST, as that
is the default anyway.
Fixes: 65492c5a6ab5df50 ("mptcp: move from sha1 (v0) to sha256 (v1)")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If CONFIG_MPTCP=y, CONFIG_MPTCP_IPV6=n, and CONFIG_IPV6=m:
net/mptcp/protocol.o: In function `__mptcp_tcp_fallback':
protocol.c:(.text+0x786): undefined reference to `inet6_stream_ops'
Fix this by checking for CONFIG_MPTCP_IPV6 instead of CONFIG_IPV6, like
is done in all other places in the mptcp code.
Fixes: 8ab183deb26a3b79 ("mptcp: cope with later TCP fallback")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit 74759e1693311a8d1441de836c4080c192374238.
mptcp@lists.01.org accepts messages from non-subscribers. There was an
invisible and unexpected server-wide rule limiting the number of
recipients for subscribers and non-subscribers alike, and that has now
been turned off for this list.
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Florian Westphal says:
====================
mptcp: fix sockopt crash and lockdep splats
Christoph Paasch reported a few bugs and lockdep splats triggered by
syzkaller.
One patch fixes a crash in set/getsockopt.
Two patches fix lockdep splats related to the order in which RTNL
and socket lock are taken.
Last patch fixes out-of-bounds access when TCP syncookies are used.
Change since last iteration on mptcp-list:
- add needed refcount in patch 2
- call tcp_get/setsockopt directly in patch 2
Other patches unchanged except minor amends to commit messages.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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We can't deal with syncookie mode yet, the syncookie rx path will create
tcp reqsk, i.e. we get OOB access because we treat tcp reqsk as mptcp reqsk one:
TCP: SYN flooding on port 20002. Sending cookies.
BUG: KASAN: slab-out-of-bounds in subflow_syn_recv_sock+0x451/0x4d0 net/mptcp/subflow.c:191
Read of size 1 at addr ffff8881167bc148 by task syz-executor099/2120
subflow_syn_recv_sock+0x451/0x4d0 net/mptcp/subflow.c:191
tcp_get_cookie_sock+0xcf/0x520 net/ipv4/syncookies.c:209
cookie_v6_check+0x15a5/0x1e90 net/ipv6/syncookies.c:252
tcp_v6_cookie_check net/ipv6/tcp_ipv6.c:1123 [inline]
[..]
Bug can be reproduced via "sysctl net.ipv4.tcp_syncookies=2".
Note that MPTCP should work with syncookies (4th ack would carry needed
state), but it appears better to sort that out in -next so do tcp
fallback for now.
I removed the MPTCP ifdef for tcp_rsk "is_mptcp" member because
if (IS_ENABLED()) is easier to read than "#ifdef IS_ENABLED()/#endif" pair.
Cc: Eric Dumazet <edumazet@google.com>
Fixes: cec37a6e41aae7bf ("mptcp: Handle MP_CAPABLE options for outgoing connections")
Reported-by: Christoph Paasch <cpaasch@apple.com>
Tested-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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syzbot triggered following lockdep splat:
ffffffff82d2cd40 (rtnl_mutex){+.+.}, at: ip_mc_drop_socket+0x52/0x180
but task is already holding lock:
ffff8881187a2310 (sk_lock-AF_INET){+.+.}, at: mptcp_close+0x18/0x30
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (sk_lock-AF_INET){+.+.}:
lock_acquire+0xee/0x230
lock_sock_nested+0x89/0xc0
do_ip_setsockopt.isra.0+0x335/0x22f0
ip_setsockopt+0x35/0x60
tcp_setsockopt+0x5d/0x90
__sys_setsockopt+0xf3/0x190
__x64_sys_setsockopt+0x61/0x70
do_syscall_64+0x72/0x300
entry_SYSCALL_64_after_hwframe+0x49/0xbe
-> #0 (rtnl_mutex){+.+.}:
check_prevs_add+0x2b7/0x1210
__lock_acquire+0x10b6/0x1400
lock_acquire+0xee/0x230
__mutex_lock+0x120/0xc70
ip_mc_drop_socket+0x52/0x180
inet_release+0x36/0xe0
__sock_release+0xfd/0x130
__mptcp_close+0xa8/0x1f0
inet_release+0x7f/0xe0
__sock_release+0x69/0x130
sock_close+0x18/0x20
__fput+0x179/0x400
task_work_run+0xd5/0x110
do_exit+0x685/0x1510
do_group_exit+0x7e/0x170
__x64_sys_exit_group+0x28/0x30
do_syscall_64+0x72/0x300
entry_SYSCALL_64_after_hwframe+0x49/0xbe
The trigger is:
socket(AF_INET, SOCK_STREAM, 0x106 /* IPPROTO_MPTCP */) = 4
setsockopt(4, SOL_IP, MCAST_JOIN_GROUP, {gr_interface=7, gr_group={sa_family=AF_INET, sin_port=htons(20003), sin_addr=inet_addr("224.0.0.2")}}, 136) = 0
exit(0)
Which results in a call to rtnl_lock while we are holding
the parent mptcp socket lock via
mptcp_close -> lock_sock(msk) -> inet_release -> ip_mc_drop_socket -> rtnl_lock().
>From lockdep point of view we thus have both
'rtnl_lock; lock_sock' and 'lock_sock; rtnl_lock'.
Fix this by stealing the msk conn_list and doing the subflow close
without holding the msk lock.
Fixes: cec37a6e41aae7bf ("mptcp: Handle MP_CAPABLE options for outgoing connections")
Reported-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Its not possible to call the kernel_(s|g)etsockopt functions here,
the address points to user memory:
General protection fault in user access. Non-canonical address?
WARNING: CPU: 1 PID: 5352 at arch/x86/mm/extable.c:77 ex_handler_uaccess+0xba/0xe0 arch/x86/mm/extable.c:77
Kernel panic - not syncing: panic_on_warn set ...
[..]
Call Trace:
fixup_exception+0x9d/0xcd arch/x86/mm/extable.c:178
general_protection+0x2d/0x40 arch/x86/entry/entry_64.S:1202
do_ip_getsockopt+0x1f6/0x1860 net/ipv4/ip_sockglue.c:1323
ip_getsockopt+0x87/0x1c0 net/ipv4/ip_sockglue.c:1561
tcp_getsockopt net/ipv4/tcp.c:3691 [inline]
tcp_getsockopt+0x8c/0xd0 net/ipv4/tcp.c:3685
kernel_getsockopt+0x121/0x1f0 net/socket.c:3736
mptcp_getsockopt+0x69/0x90 net/mptcp/protocol.c:830
__sys_getsockopt+0x13a/0x220 net/socket.c:2175
We can call tcp_get/setsockopt functions instead. Doing so fixes
crashing, but still leaves rtnl related lockdep splat:
WARNING: possible circular locking dependency detected
5.5.0-rc6 #2 Not tainted
------------------------------------------------------
syz-executor.0/16334 is trying to acquire lock:
ffffffff84f7a080 (rtnl_mutex){+.+.}, at: do_ip_setsockopt.isra.0+0x277/0x3820 net/ipv4/ip_sockglue.c:644
but task is already holding lock:
ffff888116503b90 (sk_lock-AF_INET){+.+.}, at: lock_sock include/net/sock.h:1516 [inline]
ffff888116503b90 (sk_lock-AF_INET){+.+.}, at: mptcp_setsockopt+0x28/0x90 net/mptcp/protocol.c:1284
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (sk_lock-AF_INET){+.+.}:
lock_sock_nested+0xca/0x120 net/core/sock.c:2944
lock_sock include/net/sock.h:1516 [inline]
do_ip_setsockopt.isra.0+0x281/0x3820 net/ipv4/ip_sockglue.c:645
ip_setsockopt+0x44/0xf0 net/ipv4/ip_sockglue.c:1248
udp_setsockopt+0x5d/0xa0 net/ipv4/udp.c:2639
__sys_setsockopt+0x152/0x240 net/socket.c:2130
__do_sys_setsockopt net/socket.c:2146 [inline]
__se_sys_setsockopt net/socket.c:2143 [inline]
__x64_sys_setsockopt+0xba/0x150 net/socket.c:2143
do_syscall_64+0xbd/0x5b0 arch/x86/entry/common.c:294
entry_SYSCALL_64_after_hwframe+0x49/0xbe
-> #0 (rtnl_mutex){+.+.}:
check_prev_add kernel/locking/lockdep.c:2475 [inline]
check_prevs_add kernel/locking/lockdep.c:2580 [inline]
validate_chain kernel/locking/lockdep.c:2970 [inline]
__lock_acquire+0x1fb2/0x4680 kernel/locking/lockdep.c:3954
lock_acquire+0x127/0x330 kernel/locking/lockdep.c:4484
__mutex_lock_common kernel/locking/mutex.c:956 [inline]
__mutex_lock+0x158/0x1340 kernel/locking/mutex.c:1103
do_ip_setsockopt.isra.0+0x277/0x3820 net/ipv4/ip_sockglue.c:644
ip_setsockopt+0x44/0xf0 net/ipv4/ip_sockglue.c:1248
tcp_setsockopt net/ipv4/tcp.c:3159 [inline]
tcp_setsockopt+0x8c/0xd0 net/ipv4/tcp.c:3153
kernel_setsockopt+0x121/0x1f0 net/socket.c:3767
mptcp_setsockopt+0x69/0x90 net/mptcp/protocol.c:1288
__sys_setsockopt+0x152/0x240 net/socket.c:2130
__do_sys_setsockopt net/socket.c:2146 [inline]
__se_sys_setsockopt net/socket.c:2143 [inline]
__x64_sys_setsockopt+0xba/0x150 net/socket.c:2143
do_syscall_64+0xbd/0x5b0 arch/x86/entry/common.c:294
entry_SYSCALL_64_after_hwframe+0x49/0xbe
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(sk_lock-AF_INET);
lock(rtnl_mutex);
lock(sk_lock-AF_INET);
lock(rtnl_mutex);
The lockdep complaint is because we hold mptcp socket lock when calling
the sk_prot get/setsockopt handler, and those might need to acquire the
rtnl mutex. Normally, order is:
rtnl_lock(sk) -> lock_sock
Whereas for mptcp the order is
lock_sock(mptcp_sk) rtnl_lock -> lock_sock(subflow_sk)
We can avoid this by releasing the mptcp socket lock early, but, as Paolo
points out, we need to get/put the subflow socket refcount before doing so
to avoid race with concurrent close().
Fixes: 717e79c867ca5 ("mptcp: Add setsockopt()/getsockopt() socket operations")
Reported-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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access to msk->cached_ext is only legal if the msk is locked or all
concurrent accesses are impossible.
Furthermore, once we start to tear down, we must make sure nothing else
can step in and allocate a new cached ext.
So place this code in the destroy callback where it belongs.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In order to fix XDP support if sw buffer management is used as fallback
for hw bm devices, define MVNETA_SKB_HEADROOM as maximum between
XDP_PACKET_HEADROOM and NET_SKB_PAD and let the hw aligns the IP header
to 4-byte boundary.
Fix rx_offset_correction initialization if mvneta_bm_port_init fails in
mvneta_resume routine
Fixes: 0db51da7a8e9 ("net: mvneta: add basic XDP support")
Tested-by: Sven Auhagen <sven.auhagen@voleatech.de>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert the use of kvmalloc_array with __GFP_ZERO to
the equivalent kvcalloc.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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net/mptcp/subflow.c: In function ‘mptcp_subflow_create_socket’:
net/mptcp/subflow.c:624:25: error: ‘struct netns_core’ has no member named ‘sock_inuse’
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Note that mptcp@lists.01.org is moderated, like we note for
other mailing lists.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Mat Martineau <mathew.j.martineau@linux.intel.com>
Cc: Matthieu Baerts <matthieu.baerts@tessares.net>
Cc: netdev@vger.kernel.org
Cc: mptcp@lists.01.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull security subsystem update from James Morris:
"Just one minor fix this time"
* 'for-v5.6' of git://git.kernel.org:/pub/scm/linux/kernel/git/jmorris/linux-security:
security: remove EARLY_LSM_COUNT which never used
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Pull IMA updates from Mimi Zohar:
"Two new features - measuring certificates and querying IMA for a file
hash - and three bug fixes:
- Measuring certificates is like the rest of IMA, based on policy,
but requires loading a custom policy. Certificates loaded onto a
keyring, for example during early boot, before a custom policy has
been loaded, are queued and only processed after loading the custom
policy.
- IMA calculates and caches files hashes. Other kernel subsystems,
and possibly kernel modules, are interested in accessing these
cached file hashes.
The bug fixes prevent classifying a file short read (e.g. shutdown) as
an invalid file signature, add a missing blank when displaying the
securityfs policy rules containing LSM labels, and, lastly, fix the
handling of the IMA policy information for unknown LSM labels"
* 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
IMA: Defined delayed workqueue to free the queued keys
IMA: Call workqueue functions to measure queued keys
IMA: Define workqueue for early boot key measurements
IMA: pre-allocate buffer to hold keyrings string
ima: ima/lsm policy rule loading logic bug fixes
ima: add the ability to query the cached hash of a given file
ima: Add a space after printing LSM rules for readability
IMA: fix measuring asymmetric keys Kconfig
IMA: Read keyrings= option from the IMA policy
IMA: Add support to limit measuring keys
KEYS: Call the IMA hook to measure keys
IMA: Define an IMA hook to measure keys
IMA: Add KEY_CHECK func to measure keys
IMA: Check IMA policy flag
ima: avoid appraise error for hash calc interrupt
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Pull tomoyo update from Tetsuo Handa:
"One 'int' -> 'atomic_t' conversion patch to suppress KCSAN's warning"
* tag 'tomoyo-pr-20200128' of git://git.osdn.net/gitroot/tomoyo/tomoyo-test1:
tomoyo: Use atomic_t for statistics counter
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Pull s390 updates from Vasily Gorbik:
- Add clang 10 build support.
- Fix BUG() implementation to contain precise bug address, which is
relevant for kprobes.
- Make ftraced function appear in a stacktrace.
- Minor perf improvements and refactoring.
- Possible deadlock and recovery fixes in pci code.
* tag 's390-5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: fix __EMIT_BUG() macro
s390/ftrace: generate traced function stack frame
s390: adjust -mpacked-stack support check for clang 10
s390/jump_label: use "i" constraint for clang
s390/cpum_sf: Use DIV_ROUND_UP
s390/cpum_sf: Use kzalloc and minor changes
s390/cpum_sf: Convert debug trace to common layout
s390/pci: Fix possible deadlock in recover_store()
s390/pci: Recover handle in clp_set_pci_fn()
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Pull UML updates from Anton Ivanov:
"I am sending this on behalf of Richard who is traveling.
This contains the following changes for UML:
- Fix for time travel mode
- Disable CONFIG_CONSTRUCTORS again
- A new command line option to have an non-raw serial line
- Preparations to remove obsolete UML network drivers"
* tag 'for-linus-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
um: Fix time-travel=inf-cpu with xor/raid6
Revert "um: Enable CONFIG_CONSTRUCTORS"
um: Mark non-vector net transports as obsolete
um: Add an option to make serial driver non-raw
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Pull tracing fix from Steven Rostedt:
"Kprobe events added 'ustring' to distinguish reading strings from
kernel space or user space.
But the creating of the event format file only checks for 'string' to
display string formats. 'ustring' must also be handled"
* tag 'trace-v5.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing/kprobes: Have uname use __get_str() in print_fmt
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Pull thermal updates from Daniel Lezcano:
- Depromote debug print on the db8500 platform (Linus Walleij)
- Fix compilation warning when compiling with make W=1 (Amit Kucheria)
- Code cleanup and refactoring, regmap conversion and add hwmon support
on Qoriq (Andrey Smirnov)
- Add an idle injection cpu cooling device and its documentation,
rename the cpu_cooling device to cpufreq_cooling device (Daniel
Lezcano)
- Convert unexported functions to static, add the __init annotation in
the thermal-of code and remove the pointless wrapper functions
(Daniel Lezcano)
- Fix register offset for Armada XP and register reset bit
initialization (Zak Hays)
- Enable hwmon on the rockchip (Stefan Schaeckeler)
- Add the thermal sensor for the H6/H5/H3/A64/A83T/R40 sun8i platform
and their device tree bindings, followed by a fix for the ths number
and the sparse warnings (Yangtao Li)
- Code cleansup for the sun8i and hwmon support (Yangtao Li)
- Silent some messages which are misleading given the changes made in
the previous version on generic-adc (Martin Blumenstingl)
- Rename exynos to Exynos (Krzysztof Kozlowski)
- Add the bcm2711 thermal driver with the device tree bindings (Stefan
Wahren)
- Use usleep_range() instead of udelay() as the call is always done in
a sleep-able context (Geert Uytterhoeven)
- Do code cleanup and re-organization to set the scene for a new
process for the brcmstb (Florian Fainelli)
- Fix bindings check issues on brcm (Stefan Wahren)
- Add Jasper Lake support on int340x (Nivedita Swaminathan)
- Add Comet Lake support on intel pch (Gayatri Kammela)
- Fix unmatched pci_release_region() on x86 (Chuhong Yuan)
- Remove temperature boundaries for rcar and rcar3 (Niklas Söderlund)
- Fix return value to -ENODEV when thermal_zone_of_sensor_register() is
called with the of-node is missing (Peter Mamonov)
- Code cleanup, interrupt bouncing, and better support on stm32 (Pascal
Paillet)
* tag 'thermal-v5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (66 commits)
thermal: stm32: Fix low threshold interrupt flood
thermal: stm32: Improve temperature computing
thermal: stm32: Handle multiple trip points
thermal: stm32: Disable interrupts at probe
thermal: stm32: Rework sensor mode management
thermal: stm32: Fix icifr register name
thermal: of: Make thermal_zone_of_sensor_register return -ENODEV if a sensor OF node is missing
thermal: rcar_gen3_thermal: Remove temperature bound
thermal: rcar_thermal: Remove temperature bound
thermal: intel: intel_pch_thermal: Add Comet Lake (CML) platform support
thermal: intel: Fix unmatched pci_release_region
thermal: int340x: processor_thermal: Add Jasper Lake support
dt-bindings: brcm,avs-ro-thermal: Fix binding check issues
thermal: brcmstb_thermal: Register different ops per process
thermal: brcmstb_thermal: Restructure interrupt registration
thermal: brcmstb_thermal: Add 16nm process thermal parameters
dt-bindings: thermal: Define BCM7216 thermal sensor compatible
thermal: brcmstb_thermal: Prepare to support a different process
thermal: brcmstb_thermal: Do not use DT coefficients
thermal: rcar_thermal: Use usleep_range() instead of udelay()
...
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Pull sound updates from Takashi Iwai:
"As the diffstat shows we've had again a lot of works done for this
cycle: the majority of changes are the continued componentization and
code refactoring in ASoC, the tree-wide PCM API updates and cleanups
and SOF updates while a few ASoC driver updates are seen, too.
Here we go, some highlights:
Core:
- Finally y2038 support landed to ALSA ABI; some ioctls have been
extended and lots of tricks were applied
- Applying the new managed PCM buffer API to all drivers; the API
itself was already merged in 5.5
- The already deprecated dimension support in ALSA control API is
dropped completely now
- Verification of ALSA control elements to catch API misuses
ASoC:
- Further code refactorings and moving things to the component level
- Lots of updates and improvements on SOF / Intel drivers; now
including common HDMI driver and SoundWire support
- New driver support for Ingenic JZ4770, Mediatek MT6660, Qualcomm
WCD934x and WSA881x, and Realtek RT700, RT711, RT715, RT1011,
RT1015 and RT1308
HD-audio:
- Improved ring-buffer communications using waitqueue
- Drop the superfluous buffer preallocation on x86
Others:
- Many code cleanups, mostly constifications over the whole tree
- USB-audio: quirks for MOTU, Corsair Virtuoso, Line6 Helix
- FireWire: code refactoring for oxfw and dice drivers"
* tag 'sound-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (638 commits)
ALSA: usb-audio: add quirks for Line6 Helix devices fw>=2.82
ALSA: hda: Add Clevo W65_67SB the power_save blacklist
ASoC: soc-core: remove null_snd_soc_ops
ASoC: soc-pcm: add soc_rtd_trigger()
ASoC: soc-pcm: add soc_rtd_hw_free()
ASoC: soc-pcm: add soc_rtd_hw_params()
ASoC: soc-pcm: add soc_rtd_prepare()
ASoC: soc-pcm: add soc_rtd_shutdown()
ASoC: soc-pcm: add soc_rtd_startup()
ASoC: rt1015: add rt1015 amplifier driver
ASoC: madera: Correct some kernel doc
ASoC: topology: fix soc_tplg_fe_link_create() - link->dobj initialization order
ASoC: Intel: skl_hda_dsp_common: Fix global-out-of-bounds bug
ASoC: madera: Correct DMIC only input hook ups
ALSA: cs46xx: fix spelling mistake "to" -> "too"
ALSA: hda - Add docking station support for Lenovo Thinkpad T420s
ASoC: Add MediaTek MT6660 Speaker Amp Driver
ASoC: dt-bindings: rt5645: add suppliers
ASoC: max98090: fix deadlock in max98090_dapm_put_enum_double()
ASoC: dapm: add snd_soc_dapm_put_enum_double_locked
...
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Pull networking updates from David Miller:
1) Add WireGuard
2) Add HE and TWT support to ath11k driver, from John Crispin.
3) Add ESP in TCP encapsulation support, from Sabrina Dubroca.
4) Add variable window congestion control to TIPC, from Jon Maloy.
5) Add BCM84881 PHY driver, from Russell King.
6) Start adding netlink support for ethtool operations, from Michal
Kubecek.
7) Add XDP drop and TX action support to ena driver, from Sameeh
Jubran.
8) Add new ipv4 route notifications so that mlxsw driver does not have
to handle identical routes itself. From Ido Schimmel.
9) Add BPF dynamic program extensions, from Alexei Starovoitov.
10) Support RX and TX timestamping in igc, from Vinicius Costa Gomes.
11) Add support for macsec HW offloading, from Antoine Tenart.
12) Add initial support for MPTCP protocol, from Christoph Paasch,
Matthieu Baerts, Florian Westphal, Peter Krystad, and many others.
13) Add Octeontx2 PF support, from Sunil Goutham, Geetha sowjanya, Linu
Cherian, and others.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1469 commits)
net: phy: add default ARCH_BCM_IPROC for MDIO_BCM_IPROC
udp: segment looped gso packets correctly
netem: change mailing list
qed: FW 8.42.2.0 debug features
qed: rt init valid initialization changed
qed: Debug feature: ilt and mdump
qed: FW 8.42.2.0 Add fw overlay feature
qed: FW 8.42.2.0 HSI changes
qed: FW 8.42.2.0 iscsi/fcoe changes
qed: Add abstraction for different hsi values per chip
qed: FW 8.42.2.0 Additional ll2 type
qed: Use dmae to write to widebus registers in fw_funcs
qed: FW 8.42.2.0 Parser offsets modified
qed: FW 8.42.2.0 Queue Manager changes
qed: FW 8.42.2.0 Expose new registers and change windows
qed: FW 8.42.2.0 Internal ram offsets modifications
MAINTAINERS: Add entry for Marvell OcteonTX2 Physical Function driver
Documentation: net: octeontx2: Add RVU HW and drivers overview
octeontx2-pf: ethtool RSS config support
octeontx2-pf: Add basic ethtool support
...
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Pull crypto updates from Herbert Xu:
"API:
- Removed CRYPTO_TFM_RES flags
- Extended spawn grabbing to all algorithm types
- Moved hash descsize verification into API code
Algorithms:
- Fixed recursive pcrypt dead-lock
- Added new 32 and 64-bit generic versions of poly1305
- Added cryptogams implementation of x86/poly1305
Drivers:
- Added support for i.MX8M Mini in caam
- Added support for i.MX8M Nano in caam
- Added support for i.MX8M Plus in caam
- Added support for A33 variant of SS in sun4i-ss
- Added TEE support for Raven Ridge in ccp
- Added in-kernel API to submit TEE commands in ccp
- Added AMD-TEE driver
- Added support for BCM2711 in iproc-rng200
- Added support for AES256-GCM based ciphers for chtls
- Added aead support on SEC2 in hisilicon"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (244 commits)
crypto: arm/chacha - fix build failured when kernel mode NEON is disabled
crypto: caam - add support for i.MX8M Plus
crypto: x86/poly1305 - emit does base conversion itself
crypto: hisilicon - fix spelling mistake "disgest" -> "digest"
crypto: chacha20poly1305 - add back missing test vectors and test chunking
crypto: x86/poly1305 - fix .gitignore typo
tee: fix memory allocation failure checks on drv_data and amdtee
crypto: ccree - erase unneeded inline funcs
crypto: ccree - make cc_pm_put_suspend() void
crypto: ccree - split overloaded usage of irq field
crypto: ccree - fix PM race condition
crypto: ccree - fix FDE descriptor sequence
crypto: ccree - cc_do_send_request() is void func
crypto: ccree - fix pm wrongful error reporting
crypto: ccree - turn errors to debug msgs
crypto: ccree - fix AEAD decrypt auth fail
crypto: ccree - fix typo in comment
crypto: ccree - fix typos in error msgs
crypto: atmel-{aes,sha,tdes} - Retire crypto_platform_data
crypto: x86/sha - Eliminate casts on asm implementations
...
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Pull cifs updates from Steve French:
"Various SMB3/CIFS fixes including four for stable.
- Improvement to fallocate (enables 3 additional xfstests)
- Fix for file creation when mounting with modefromsid
- Add ability to backup/restore dos attributes and creation time
- DFS failover and reconnect fixes
- performance optimization for readir
Note that due to the upcoming SMB3 Test Event (at SNIA SDC next week)
there will likely be more changesets near the end of the merge window
(since we will be testing heavily next week, I held off on some
patches and I expect some additional multichannel patches as well as
patches to enable some additional xfstests)"
* tag '5.6-smb3-fixes-and-dfs-and-readdir-improvements' of git://git.samba.org/sfrench/cifs-2.6: (24 commits)
CIFS: Fix task struct use-after-free on reconnect
cifs: use PTR_ERR_OR_ZERO() to simplify code
cifs: add support for fallocate mode 0 for non-sparse files
cifs: fix NULL dereference in match_prepath
smb3: fix default permissions on new files when mounting with modefromsid
CIFS: Add support for setting owner info, dos attributes, and create time
cifs: remove set but not used variable 'server'
cifs: Fix memory allocation in __smb2_handle_cancelled_cmd()
cifs: Fix mount options set in automount
cifs: fix unitialized variable poential problem with network I/O cache lock patch
cifs: Fix return value in __update_cache_entry
cifs: Avoid doing network I/O while holding cache lock
cifs: Fix potential deadlock when updating vol in cifs_reconnect()
cifs: Merge is_path_valid() into get_normalized_path()
cifs: Introduce helpers for finding TCP connection
cifs: Get rid of kstrdup_const()'d paths
cifs: Clean up DFS referral cache
cifs: Don't use iov_iter::type directly
cifs: set correct max-buffer-size for smb2_ioctl_init()
cifs: use compounding for open and first query-dir for readdir()
...
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Pull fsverity updates from Eric Biggers:
- Optimize fs-verity sequential read performance by implementing
readahead of Merkle tree pages. This allows the Merkle tree to be
read in larger chunks.
- Optimize FS_IOC_ENABLE_VERITY performance in the uncached case by
implementing readahead of data pages.
- Allocate the hash requests from a mempool in order to eliminate the
possibility of allocation failures during I/O.
* tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt:
fs-verity: use u64_to_user_ptr()
fs-verity: use mempool for hash requests
fs-verity: implement readahead of Merkle tree pages
fs-verity: implement readahead for FS_IOC_ENABLE_VERITY
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Pull fscrypt updates from Eric Biggers:
- Extend the FS_IOC_ADD_ENCRYPTION_KEY ioctl to allow the raw key to be
provided via a keyring key.
- Prepare for the new dirhash method (SipHash of plaintext name) that
will be used by directories that are both encrypted and casefolded.
- Switch to a new format for "no-key names" that prepares for the new
dirhash method, and also fixes a longstanding bug where multiple
filenames could map to the same no-key name.
- Allow the crypto algorithms used by fscrypt to be built as loadable
modules when the fscrypt-capable filesystems are.
- Optimize fscrypt_zeroout_range().
- Various cleanups.
* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt: (26 commits)
fscrypt: improve format of no-key names
ubifs: allow both hash and disk name to be provided in no-key names
ubifs: don't trigger assertion on invalid no-key filename
fscrypt: clarify what is meant by a per-file key
fscrypt: derive dirhash key for casefolded directories
fscrypt: don't allow v1 policies with casefolding
fscrypt: add "fscrypt_" prefix to fname_encrypt()
fscrypt: don't print name of busy file when removing key
ubifs: use IS_ENCRYPTED() instead of ubifs_crypt_is_encrypted()
fscrypt: document gfp_flags for bounce page allocation
fscrypt: optimize fscrypt_zeroout_range()
fscrypt: remove redundant bi_status check
fscrypt: Allow modular crypto algorithms
fscrypt: include <linux/ioctl.h> in UAPI header
fscrypt: don't check for ENOKEY from fscrypt_get_encryption_info()
fscrypt: remove fscrypt_is_direct_key_policy()
fscrypt: move fscrypt_valid_enc_modes() to policy.c
fscrypt: check for appropriate use of DIRECT_KEY flag earlier
fscrypt: split up fscrypt_supported_policy() by policy version
fscrypt: introduce fscrypt_needs_contents_encryption()
...
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Pull fs deduplication fix from David Sterba:
"This is a fix for deduplication bug: the last block of two files is
allowed to deduplicated. This got broken in 5.1 by lifting some
generic checks to VFS layer. The affected filesystems are btrfs and
xfs.
The patches are marked for stable as the bug decreases deduplication
effectivity"
* tag 'fs-dedupe-last-block-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
Btrfs: make deduplication with range including the last block work
fs: allow deduplication of eof block into the end of the destination file
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Pull btrfs updates from David Sterba:
"Features, highlights:
- async discard
- "mount -o discard=async" to enable it
- freed extents are not discarded immediatelly, but grouped
together and trimmed later, with IO rate limiting
- the "sync" mode submits short extents that could have been
ignored completely by the device, for SATA prior to 3.1 the
requests are unqueued and have a big impact on performance
- the actual discard IO requests have been moved out of
transaction commit to a worker thread, improving commit latency
- IO rate and request size can be tuned by sysfs files, for now
enabled only with CONFIG_BTRFS_DEBUG as we might need to
add/delete the files and don't have a stable-ish ABI for
general use, defaults are conservative
- export device state info in sysfs, eg. missing, writeable
- no discard of extents known to be untouched on disk (eg. after
reservation)
- device stats reset is logged with process name and PID that called
the ioctl
Fixes:
- fix missing hole after hole punching and fsync when using NO_HOLES
- writeback: range cyclic mode could miss some dirty pages and lead
to OOM
- two more corner cases for metadata_uuid change after power loss
during the change
- fix infinite loop during fsync after mix of rename operations
Core changes:
- qgroup assign returns ENOTCONN when quotas not enabled, used to
return EINVAL that was confusing
- device closing does not need to allocate memory anymore
- snapshot aware code got removed, disabled for years due to
performance problems, reimplmentation will allow to select wheter
defrag breaks or does not break COW on shared extents
- tree-checker:
- check leaf chunk item size, cross check against number of
stripes
- verify location keys for DIR_ITEM, DIR_INDEX and XATTR items
- new self test for physical -> logical mapping code, used for super
block range exclusion
- assertion helpers/macros updated to avoid objtool "unreachable
code" reports on older compilers or config option combinations"
* tag 'for-5.6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (84 commits)
btrfs: free block groups after free'ing fs trees
btrfs: Fix split-brain handling when changing FSID to metadata uuid
btrfs: Handle another split brain scenario with metadata uuid feature
btrfs: Factor out metadata_uuid code from find_fsid.
btrfs: Call find_fsid from find_fsid_inprogress
Btrfs: fix infinite loop during fsync after rename operations
btrfs: set trans->drity in btrfs_commit_transaction
btrfs: drop log root for dropped roots
btrfs: sysfs, add devid/dev_state kobject and device attributes
btrfs: Refactor btrfs_rmap_block to improve readability
btrfs: Add self-tests for btrfs_rmap_block
btrfs: selftests: Add support for dummy devices
btrfs: Move and unexport btrfs_rmap_block
btrfs: separate definition of assertion failure handlers
btrfs: device stats, log when stats are zeroed
btrfs: fix improper setting of scanned for range cyclic write cache pages
btrfs: safely advance counter when looking up bio csums
btrfs: remove unused member btrfs_device::work
btrfs: remove unnecessary wrapper get_alloc_profile
btrfs: add correction to handle -1 edge case in async discard
...
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Pull x86 mtrr updates from Ingo Molnar:
"Two changes: restrict /proc/mtrr to CAP_SYS_ADMIN, plus a cleanup"
* 'x86-mtrr-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mtrr: Require CAP_SYS_ADMIN for all access
x86/mtrr: Get rid of mtrr_seq_show() forward declaration
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Pull x86 FPU updates from Ingo Molnar:
"Three changes: fix a race that can result in FPU corruption, plus two
cleanups"
* 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fpu: Deactivate FPU state after failure during state load
x86/fpu/xstate: Make xfeature_is_supervisor()/xfeature_is_user() return bool
x86/fpu/xstate: Fix small issues
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Pull x86 cpu-features updates from Ingo Molnar:
"The biggest change in this cycle was a large series from Sean
Christopherson to clean up the handling of VMX features. This both
fixes bugs/inconsistencies and makes the code more coherent and
future-proof.
There are also two cleanups and a minor TSX syslog messages
enhancement"
* 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
x86/cpu: Remove redundant cpu_detect_cache_sizes() call
x86/cpu: Print "VMX disabled" error message iff KVM is enabled
KVM: VMX: Allow KVM_INTEL when building for Centaur and/or Zhaoxin CPUs
perf/x86: Provide stubs of KVM helpers for non-Intel CPUs
KVM: VMX: Use VMX_FEATURE_* flags to define VMCS control bits
KVM: VMX: Check for full VMX support when verifying CPU compatibility
KVM: VMX: Use VMX feature flag to query BIOS enabling
KVM: VMX: Drop initialization of IA32_FEAT_CTL MSR
x86/cpufeatures: Add flag to track whether MSR IA32_FEAT_CTL is configured
x86/cpu: Set synthetic VMX cpufeatures during init_ia32_feat_ctl()
x86/cpu: Print VMX flags in /proc/cpuinfo using VMX_FEATURES_*
x86/cpu: Detect VMX features on Intel, Centaur and Zhaoxin CPUs
x86/vmx: Introduce VMX_FEATURES_*
x86/cpu: Clear VMX feature flag if VMX is not fully enabled
x86/zhaoxin: Use common IA32_FEAT_CTL MSR initialization
x86/centaur: Use common IA32_FEAT_CTL MSR initialization
x86/mce: WARN once if IA32_FEAT_CTL MSR is left unlocked
x86/intel: Initialize IA32_FEAT_CTL MSR at boot
tools/x86: Sync msr-index.h from kernel sources
selftests, kvm: Replace manual MSR defs with common msr-index.h
...
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Pull misc x86 updates from Ingo Molnar:
"Misc changes:
- Enhance #GP fault printouts by distinguishing between canonical and
non-canonical address faults, and also add KASAN fault decoding.
- Fix/enhance the x86 NMI handler by putting the duration check into
a direct function call instead of an irq_work which we know to be
broken in some cases.
- Clean up do_general_protection() a bit"
* 'x86-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/nmi: Remove irq_work from the long duration NMI handler
x86/traps: Cleanup do_general_protection()
x86/kasan: Print original address on #GP
x86/dumpstack: Introduce die_addr() for die() with #GP fault address
x86/traps: Print address on #GP
x86/insn-eval: Add support for 64-bit kernel mode
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Pull x86 cleanups from Ingo Molnar:
"Misc cleanups all around the map"
* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/CPU/AMD: Remove amd_get_topology_early()
x86/tsc: Remove redundant assignment
x86/crash: Use resource_size()
x86/cpu: Add a missing prototype for arch_smt_update()
x86/nospec: Remove unused RSB_FILL_LOOPS
x86/vdso: Provide missing include file
x86/Kconfig: Correct spelling and punctuation
Documentation/x86/boot: Fix typo
x86/boot: Fix a comment's incorrect file reference
x86/process: Remove set but not used variables prev and next
x86/Kconfig: Fix Kconfig indentation
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Pull x86 resource control updates from Ingo Molnar:
"The main change in this tree is the extension of the resctrl procfs
ABI with a new file that helps tooling to navigate from tasks back to
resctrl groups: /proc/{pid}/cpu_resctrl_groups.
Also fix static key usage for certain feature combinations and
simplify the task exit resctrl case"
* 'x86-cache-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/resctrl: Add task resctrl information display
x86/resctrl: Check monitoring static key in the MBM overflow handler
x86/resctrl: Do not reconfigure exiting tasks
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Pull x86 boot update from Ingo Molnar:
"Two minor changes: fix an atypical binutils combination build bug, and
also fix a VRAM size check for simplefb"
* 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/sysfb: Fix check for bad VRAM size
x86/boot: Discard .eh_frame sections
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Pull x86 asm updates from Ingo Molnar:
"Misc updates:
- Remove last remaining calls to exception_enter/exception_exit() and
simplify the entry code some more.
- Remove force_iret()
- Add support for "Fast Short Rep Mov", which is available starting
with Ice Lake Intel CPUs - and make the x86 assembly version of
memmove() use REP MOV for all sizes when FSRM is available.
- Micro-optimize/simplify the 32-bit boot code a bit.
- Use a more future-proof SYSRET instruction mnemonic"
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/boot: Simplify calculation of output address
x86/entry/64: Add instruction suffix to SYSRET
x86: Remove force_iret()
x86/cpufeatures: Add support for fast short REP; MOVSB
x86/context-tracking: Remove exception_enter/exit() from KVM_PV_REASON_PAGE_NOT_PRESENT async page fault
x86/context-tracking: Remove exception_enter/exit() from do_page_fault()
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Pull x86 apic fix from Ingo Molnar:
"A single commit that simplifies the code and gets rid of a compiler
warning"
* 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/apic/uv: Avoid unused variable warning
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Pull scheduler updates from Ingo Molnar:
"These were the main changes in this cycle:
- More -rt motivated separation of CONFIG_PREEMPT and
CONFIG_PREEMPTION.
- Add more low level scheduling topology sanity checks and warnings
to filter out nonsensical topologies that break scheduling.
- Extend uclamp constraints to influence wakeup CPU placement
- Make the RT scheduler more aware of asymmetric topologies and CPU
capacities, via uclamp metrics, if CONFIG_UCLAMP_TASK=y
- Make idle CPU selection more consistent
- Various fixes, smaller cleanups, updates and enhancements - please
see the git log for details"
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (58 commits)
sched/fair: Define sched_idle_cpu() only for SMP configurations
sched/topology: Assert non-NUMA topology masks don't (partially) overlap
idle: fix spelling mistake "iterrupts" -> "interrupts"
sched/fair: Remove redundant call to cpufreq_update_util()
sched/psi: create /proc/pressure and /proc/pressure/{io|memory|cpu} only when psi enabled
sched/fair: Fix sgc->{min,max}_capacity calculation for SD_OVERLAP
sched/fair: calculate delta runnable load only when it's needed
sched/cputime: move rq parameter in irqtime_account_process_tick
stop_machine: Make stop_cpus() static
sched/debug: Reset watchdog on all CPUs while processing sysrq-t
sched/core: Fix size of rq::uclamp initialization
sched/uclamp: Fix a bug in propagating uclamp value in new cgroups
sched/fair: Load balance aggressively for SCHED_IDLE CPUs
sched/fair : Improve update_sd_pick_busiest for spare capacity case
watchdog: Remove soft_lockup_hrtimer_cnt and related code
sched/rt: Make RT capacity-aware
sched/fair: Make EAS wakeup placement consider uclamp restrictions
sched/fair: Make task_fits_capacity() consider uclamp restrictions
sched/uclamp: Rename uclamp_util_with() into uclamp_rq_util_with()
sched/uclamp: Make uclamp util helpers use and return UL values
...
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Pull perf updates from Ingo Molnar:
"Kernel side changes:
- Ftrace is one of the last W^X violators (after this only KLP is
left). These patches move it over to the generic text_poke()
interface and thereby get rid of this oddity. This requires a
surprising amount of surgery, by Peter Zijlstra.
- x86/AMD PMUs: add support for 'Large Increment per Cycle Events' to
count certain types of events that have a special, quirky hw ABI
(by Kim Phillips)
- kprobes fixes by Masami Hiramatsu
Lots of tooling updates as well, the following subcommands were
updated: annotate/report/top, c2c, clang, record, report/top TUI,
sched timehist, tests; plus updates were done to the gtk ui, libperf,
headers and the parser"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (57 commits)
perf/x86/amd: Add support for Large Increment per Cycle Events
perf/x86/amd: Constrain Large Increment per Cycle events
perf/x86/intel/rapl: Add Comet Lake support
tracing: Initialize ret in syscall_enter_define_fields()
perf header: Use last modification time for timestamp
perf c2c: Fix return type for histogram sorting comparision functions
perf beauty sockaddr: Fix augmented syscall format warning
perf/ui/gtk: Fix gtk2 build
perf ui gtk: Add missing zalloc object
perf tools: Use %define api.pure full instead of %pure-parser
libperf: Setup initial evlist::all_cpus value
perf report: Fix no libunwind compiled warning break s390 issue
perf tools: Support --prefix/--prefix-strip
perf report: Clarify in help that --children is default
tools build: Fix test-clang.cpp with Clang 8+
perf clang: Fix build with Clang 9
kprobes: Fix optimize_kprobe()/unoptimize_kprobe() cancellation logic
tools lib: Fix builds when glibc contains strlcpy()
perf report/top: Make 'e' visible in the help and make it toggle showing callchains
perf report/top: Do not offer annotation for symbols without samples
...
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Pull locking updates from Ingo Molnar:
"Just a handful of changes in this cycle: an ARM64 performance
optimization, a comment fix and a debug output fix"
* 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/osq: Use optimized spinning loop for arm64
locking/qspinlock: Fix inaccessible URL of MCS lock paper
locking/lockdep: Fix lockdep_stats indentation problem
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Pull EFI updates from Ingo Molnar:
"The main changes in this cycle were:
- Cleanup of the GOP [graphics output] handling code in the EFI stub
- Complete refactoring of the mixed mode handling in the x86 EFI stub
- Overhaul of the x86 EFI boot/runtime code
- Increase robustness for mixed mode code
- Add the ability to disable DMA at the root port level in the EFI
stub
- Get rid of RWX mappings in the EFI memory map and page tables,
where possible
- Move the support code for the old EFI memory mapping style into its
only user, the SGI UV1+ support code.
- plus misc fixes, updates, smaller cleanups.
... and due to interactions with the RWX changes, another round of PAT
cleanups make a guest appearance via the EFI tree - with no side
effects intended"
* 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (75 commits)
efi/x86: Disable instrumentation in the EFI runtime handling code
efi/libstub/x86: Fix EFI server boot failure
efi/x86: Disallow efi=old_map in mixed mode
x86/boot/compressed: Relax sed symbol type regex for LLVM ld.lld
efi/x86: avoid KASAN false positives when accessing the 1: 1 mapping
efi: Fix handling of multiple efi_fake_mem= entries
efi: Fix efi_memmap_alloc() leaks
efi: Add tracking for dynamically allocated memmaps
efi: Add a flags parameter to efi_memory_map
efi: Fix comment for efi_mem_type() wrt absent physical addresses
efi/arm: Defer probe of PCIe backed efifb on DT systems
efi/x86: Limit EFI old memory map to SGI UV machines
efi/x86: Avoid RWX mappings for all of DRAM
efi/x86: Don't map the entire kernel text RW for mixed mode
x86/mm: Fix NX bit clearing issue in kernel_map_pages_in_pgd
efi/libstub/x86: Fix unused-variable warning
efi/libstub/x86: Use mandatory 16-byte stack alignment in mixed mode
efi/libstub/x86: Use const attribute for efi_is_64bit()
efi: Allow disabling PCI busmastering on bridges during boot
efi/x86: Allow translating 64-bit arguments for mixed mode calls
...
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Pull RCU updates from Ingo Molnar:
"The RCU changes in this cycle were:
- Expedited grace-period updates
- kfree_rcu() updates
- RCU list updates
- Preemptible RCU updates
- Torture-test updates
- Miscellaneous fixes
- Documentation updates"
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (69 commits)
rcu: Remove unused stop-machine #include
powerpc: Remove comment about read_barrier_depends()
.mailmap: Add entries for old paulmck@kernel.org addresses
srcu: Apply *_ONCE() to ->srcu_last_gp_end
rcu: Switch force_qs_rnp() to for_each_leaf_node_cpu_mask()
rcu: Move rcu_{expedited,normal} definitions into rcupdate.h
rcu: Move gp_state_names[] and gp_state_getname() to tree_stall.h
rcu: Remove the declaration of call_rcu() in tree.h
rcu: Fix tracepoint tracking RCU CPU kthread utilization
rcu: Fix harmless omission of "CONFIG_" from #if condition
rcu: Avoid tick_dep_set_cpu() misordering
rcu: Provide wrappers for uses of ->rcu_read_lock_nesting
rcu: Use READ_ONCE() for ->expmask in rcu_read_unlock_special()
rcu: Clear ->rcu_read_unlock_special only once
rcu: Clear .exp_hint only when deferred quiescent state has been reported
rcu: Rename some instance of CONFIG_PREEMPTION to CONFIG_PREEMPT_RCU
rcu: Remove kfree_call_rcu_nobatch()
rcu: Remove kfree_rcu() special casing and lazy-callback handling
rcu: Add support for debug_objects debugging for kfree_rcu()
rcu: Add multiple in-flight batches of kfree_rcu() work
...
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Pull objtool updates from Ingo Molnar:
"The main changes are to move the ORC unwind table sorting from early
init to build-time - this speeds up booting.
No change in functionality intended"
* 'core-objtool-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/unwind/orc: Fix !CONFIG_MODULES build warning
x86/unwind/orc: Remove boot-time ORC unwind tables sorting
scripts/sorttable: Implement build-time ORC unwind table sorting
scripts/sorttable: Rename 'sortextable' to 'sorttable'
scripts/sortextable: Refactor the do_func() function
scripts/sortextable: Remove dead code
scripts/sortextable: Clean up the code to meet the kernel coding style better
scripts/sortextable: Rewrite error/success handling
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Pull header cleanup from Ingo Molnar:
"This is a treewide cleanup, mostly (but not exclusively) with x86
impact, which breaks implicit dependencies on the asm/realtime.h
header and finally removes it from asm/acpi.h"
* 'core-headers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/ACPI/sleep: Move acpi_get_wakeup_address() into sleep.c, remove <asm/realmode.h> from <asm/acpi.h>
ACPI/sleep: Convert acpi_wakeup_address into a function
x86/ACPI/sleep: Remove an unnecessary include of asm/realmode.h
ASoC: Intel: Skylake: Explicitly include linux/io.h for virt_to_phys()
vmw_balloon: Explicitly include linux/io.h for virt_to_phys()
virt: vbox: Explicitly include linux/io.h to pick up various defs
efi/capsule-loader: Explicitly include linux/io.h for page_to_phys()
perf/x86/intel: Explicitly include asm/io.h to use virt_to_phys()
x86/kprobes: Explicitly include vmalloc.h for set_vm_flush_reset_perms()
x86/ftrace: Explicitly include vmalloc.h for set_vm_flush_reset_perms()
x86/boot: Explicitly include realmode.h to handle RM reservations
x86/efi: Explicitly include realmode.h to handle RM trampoline quirk
x86/platform/intel/quark: Explicitly include linux/io.h for virt_to_phys()
x86/setup: Enhance the comments
x86/setup: Clean up the header portion of setup.c
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Add default MDIO_BCM_IPROC Kconfig setting such that it is default
on for IPROC family of devices.
Signed-off-by: Scott Branden <scott.branden@broadcom.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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David Howells
Leon Romanovsky
Geert Uytterhoeven
Joe Perches
Willem de Bruijn
Mat Martineau
David S. Miller
Florian Westphal
Lorenzo Bianconi
Randy Dunlap
Linus Torvalds
Scott Branden