| Age | Commit message (Collapse) | Author | Files | Lines |
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Fix a couple of issues at tools/testing/selftests/bpf/Makefile so
the following command
make -C tools/testing/selftests/bpf OUTPUT=/home/yhs/tmp
can put the built results into a different directory.
Also add the built binary test_tcpbpf_user in the .gitignore file.
Fixes: 6882804c916b ("selftests/bpf: add a test for overlapping packet range checks")
Fixes: 9d1f15941967 ("bpf: move cgroup_helpers from samples/bpf/ to tools/testing/selftesting/bpf/")
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Undo loop condition on the error path would cause the i counter
to go below zero, if allocation failure happened with the first
(i.e. 0th) element of the array.
Fixes: 395cacb5f1a0 ("netdevsim: bpf: support fake map offload")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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If devpts_ptmx_path() returns an error code, then devpts_mntget()
dereferences an ERR_PTR():
BUG: unable to handle kernel paging request at fffffffffffffff5
IP: devpts_mntget+0x13f/0x280 fs/devpts/inode.c:173
Fix it by returning early in the error paths.
Reproducer:
#define _GNU_SOURCE
#include <fcntl.h>
#include <sched.h>
#include <sys/ioctl.h>
#define TIOCGPTPEER _IO('T', 0x41)
int main()
{
for (;;) {
int fd = open("/dev/ptmx", 0);
unshare(CLONE_NEWNS);
ioctl(fd, TIOCGPTPEER, 0);
}
}
Fixes: 311fc65c9fb9 ("pty: Repair TIOCGPTPEER")
Reported-by: syzbot <syzkaller@googlegroups.com>
Cc: <stable@vger.kernel.org> # v4.13+
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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As Linus points out:
The inode_cmp_iversion{+raw}() functions are pure and utter crap.
Why?
You say that they return 0/negative/positive, but they do so in a
completely broken manner. They return that ternary value as the
sequence number difference in a 's64', which means that if you
actually care about that ternary value, and do the *sane* thing that
the kernel-doc of the function implies is the right thing, you would
do
int cmp = inode_cmp_iversion(inode, old);
if (cmp < 0 ...
and as a result you get code that looks sane, but that doesn't
actually *WORK* right.
Since none of the callers actually care about the ternary value here,
convert the inode_cmp_iversion{+raw} functions to just return a boolean
value (false for matching, true for non-matching).
This matches the existing use of these functions just fine, and makes it
simple to convert them to return a ternary value in the future if we
grow callers that need it.
With this change we can also reimplement inode_cmp_iversion in a simpler
way using inode_peek_iversion.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Async crypto accelerators (e.g. drivers/crypto/caam) support offloading
GCM operation. If they are enabled, crypto_aead_encrypt() return error
code -EINPROGRESS. In this case tls_do_encryption() needs to wait on a
completion till the time the response for crypto offload request is
received.
Signed-off-by: Vakul Garg <vakul.garg@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When we dump the ip6mr mfc entries via proc, we initialize an iterator
with the table to dump but we don't clear the cache pointer which might
be initialized from a prior read on the same descriptor that ended. This
can result in lock imbalance (an unnecessary unlock) leading to other
crashes and hangs. Clear the cache pointer like ipmr does to fix the issue.
Thanks for the reliable reproducer.
Here's syzbot's trace:
WARNING: bad unlock balance detected!
4.15.0-rc3+ #128 Not tainted
syzkaller971460/3195 is trying to release lock (mrt_lock) at:
[<000000006898068d>] ipmr_mfc_seq_stop+0xe1/0x130 net/ipv6/ip6mr.c:553
but there are no more locks to release!
other info that might help us debug this:
1 lock held by syzkaller971460/3195:
#0: (&p->lock){+.+.}, at: [<00000000744a6565>] seq_read+0xd5/0x13d0
fs/seq_file.c:165
stack backtrace:
CPU: 1 PID: 3195 Comm: syzkaller971460 Not tainted 4.15.0-rc3+ #128
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
print_unlock_imbalance_bug+0x12f/0x140 kernel/locking/lockdep.c:3561
__lock_release kernel/locking/lockdep.c:3775 [inline]
lock_release+0x5f9/0xda0 kernel/locking/lockdep.c:4023
__raw_read_unlock include/linux/rwlock_api_smp.h:225 [inline]
_raw_read_unlock+0x1a/0x30 kernel/locking/spinlock.c:255
ipmr_mfc_seq_stop+0xe1/0x130 net/ipv6/ip6mr.c:553
traverse+0x3bc/0xa00 fs/seq_file.c:135
seq_read+0x96a/0x13d0 fs/seq_file.c:189
proc_reg_read+0xef/0x170 fs/proc/inode.c:217
do_loop_readv_writev fs/read_write.c:673 [inline]
do_iter_read+0x3db/0x5b0 fs/read_write.c:897
compat_readv+0x1bf/0x270 fs/read_write.c:1140
do_compat_preadv64+0xdc/0x100 fs/read_write.c:1189
C_SYSC_preadv fs/read_write.c:1209 [inline]
compat_SyS_preadv+0x3b/0x50 fs/read_write.c:1203
do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline]
do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389
entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125
RIP: 0023:0xf7f73c79
RSP: 002b:00000000e574a15c EFLAGS: 00000292 ORIG_RAX: 000000000000014d
RAX: ffffffffffffffda RBX: 000000000000000f RCX: 0000000020a3afb0
RDX: 0000000000000001 RSI: 0000000000000067 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
BUG: sleeping function called from invalid context at lib/usercopy.c:25
in_atomic(): 1, irqs_disabled(): 0, pid: 3195, name: syzkaller971460
INFO: lockdep is turned off.
CPU: 1 PID: 3195 Comm: syzkaller971460 Not tainted 4.15.0-rc3+ #128
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
___might_sleep+0x2b2/0x470 kernel/sched/core.c:6060
__might_sleep+0x95/0x190 kernel/sched/core.c:6013
__might_fault+0xab/0x1d0 mm/memory.c:4525
_copy_to_user+0x2c/0xc0 lib/usercopy.c:25
copy_to_user include/linux/uaccess.h:155 [inline]
seq_read+0xcb4/0x13d0 fs/seq_file.c:279
proc_reg_read+0xef/0x170 fs/proc/inode.c:217
do_loop_readv_writev fs/read_write.c:673 [inline]
do_iter_read+0x3db/0x5b0 fs/read_write.c:897
compat_readv+0x1bf/0x270 fs/read_write.c:1140
do_compat_preadv64+0xdc/0x100 fs/read_write.c:1189
C_SYSC_preadv fs/read_write.c:1209 [inline]
compat_SyS_preadv+0x3b/0x50 fs/read_write.c:1203
do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline]
do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389
entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:125
RIP: 0023:0xf7f73c79
RSP: 002b:00000000e574a15c EFLAGS: 00000292 ORIG_RAX: 000000000000014d
RAX: ffffffffffffffda RBX: 000000000000000f RCX: 0000000020a3afb0
RDX: 0000000000000001 RSI: 0000000000000067 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
WARNING: CPU: 1 PID: 3195 at lib/usercopy.c:26 _copy_to_user+0xb5/0xc0
lib/usercopy.c:26
Reported-by: syzbot <bot+eceb3204562c41a438fa1f2335e0fe4f6886d669@syzkaller.appspotmail.com>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Blank help texts are probably either a typo, a Kconfig misunderstanding,
or some kind of half-committing to adding a help text (in which case a
TODO comment would be clearer, if the help text really can't be added
right away).
Best to remove them, IMO.
Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add suffix LL to constant 1000 in order to give the compiler
complete information about the proper arithmetic to use. Notice
that this constant is used in a context that expects an expression
of type long long int (64 bits, signed).
The expression (band->burst_size + band->rate) * 1000 is currently
being evaluated using 32-bit arithmetic.
Addresses-Coverity-ID: 1461563 ("Unintentional integer overflow")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add suffix ULL to constant 80000 in order to avoid a potential integer
overflow and give the compiler complete information about the proper
arithmetic to use. Notice that this constant is used in a context that
expects an expression of type u64.
The current cast to u64 effectively applies to the whole expression
as an argument of type u64 to be passed to div64_u64, but it does
not prevent it from being evaluated using 32-bit arithmetic instead
of 64-bit arithmetic.
Also, once the expression is properly evaluated using 64-bit arithmentic,
there is no need for the parentheses and the external cast to u64.
Addresses-Coverity-ID: 1357588 ("Unintentional integer overflow")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Driver check the wrong register bit in rtl_ocp_tx_cond() that keep driver
waiting until timeout.
Fix this by waiting for the right register bit.
Signed-off-by: Chunhao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The Quectel EP06 is a Cat. 6 LTE modem. It uses the same interface as
the EC20/EC25 for QMI, and requires the same "set DTR"-quirk to work.
Signed-off-by: Kristian Evensen <kristian.evensen@gmail.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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- Backwards Compatibility:
If userspace wants to determine whether RTM_NEWLINK supports the
IFLA_IF_NETNSID property they should first send an RTM_GETLINK request
with IFLA_IF_NETNSID on lo. If either EACCESS is returned or the reply
does not include IFLA_IF_NETNSID userspace should assume that
IFLA_IF_NETNSID is not supported on this kernel.
If the reply does contain an IFLA_IF_NETNSID property userspace
can send an RTM_NEWLINK with a IFLA_IF_NETNSID property. If they receive
EOPNOTSUPP then the kernel does not support the IFLA_IF_NETNSID property
with RTM_NEWLINK. Userpace should then fallback to other means.
- Security:
Callers must have CAP_NET_ADMIN in the owning user namespace of the
target network namespace.
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In commit f8350daf7af0 ("dm cache: tune migration throttling") the
value for DEFAULT_MIGRATION_THRESHOLD was decreased from 204800 to
2048. Edit device-mapper/cache.txt to reflect the correct default
value for migration_threshold.
Signed-off-by: John Pittman <jpittman@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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There is no entry file_mapped in the memory.stat file. This looks like a
simple word flip that's gone unnoticed since 2010 (dc10e281f5fc,
memcg: update documentation).
Signed-off-by: Florian Schmidt <florian.schmidt@neclab.eu>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Some of the info, warning, and error messages are missing their trailing
newline.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
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The vfs clears the I_DIRTY inode flag before calling gfs2_write_inode()
having queued any data that needed to be written to disk.
This is a good time to remove such inodes from our ordered write list
so they don't hang around for long periods of time.
Signed-off-by: Abhi Das <adas@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
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ipmr_vif_seq_show() prints the difference between two pointers with the
format string %2zd (z for size_t), however the correct format string is
%2td instead (t for ptrdiff_t).
The same bug in ip6mr_vif_seq_show() was already fixed long ago by
commit d430a227d272 ("bogus format in ip6mr").
Signed-off-by: James Hogan <jhogan@kernel.org>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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The type of arg passed to dmatest_callback is struct dmatest_done.
It refers to test_done in struct dmatest_thread, not done_wait.
Fixes: 6f6a23a213be ("dmaengine: dmatest: move callback wait ...")
Signed-off-by: Yang Shunyong <shunyong.yang@hxt-semitech.com>
Acked-by: Adam Wallis <awallis@codeaurora.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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Implement RDMA nldev netlink interface to get detailed information on each
QP in the system. This includes the owning process or kernel ULP and
detailed information from the qp_attrs.
Currently only the dumpit variant is implemented.
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Expose through the netlink interface the global per-device utilization of
the supported object types.
Provide both dumpit and doit callbacks.
As an example of possible output from rdmatool for system with 5
mlx5 cards:
$ rdma res
1: mlx5_0: qp 4 cq 5 pd 3
2: mlx5_1: qp 4 cq 5 pd 3
3: mlx5_2: qp 4 cq 5 pd 3
4: mlx5_3: qp 2 cq 3 pd 2
5: mlx5_4: qp 4 cq 5 pd 3
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Track create and destroy operations of PD objects.
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Track create and destroy operations of CQ objects.
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Track create and destroy operations of QP objects.
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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The RDMA subsystem has very strict set of objects to work with, but it
completely lacks tracking facilities and has no visibility of resource
utilization.
The following patch adds such infrastructure to keep track of RDMA
resources to help with debugging of user space applications. The primary
user of this infrastructure is RDMA nldev netlink (following patches), to
be exposed to userspace via rdmatool, but it is not limited too that.
At this stage, the main three objects (PD, CQ and QP) are added, and more
will be added later.
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Wait for a response from the VNIC server before exiting after setting
the MAC address. The resolves an issue with bonding a VNIC client in
ALB or TLB modes. The bonding driver was changing the MAC address more
rapidly than the device could respond, causing the following errors.
"bond0: the hw address of slave eth2 is in use by the bond;
couldn't find a slave with a free hw address to give it
(this should not have happened)"
If the function waits until the change is finalized, these errors are
avoided.
Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The following soft lockup was caught. This is a deadlock caused by
recusive locking.
Process kworker/u40:1:28016 was holding spin lock "mbx->queue_lock" in
qlcnic_83xx_mailbox_worker(), while a softirq came in and ask the same spin
lock in qlcnic_83xx_enqueue_mbx_cmd(). This lock should be hold by disable
bh..
[161846.962125] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [kworker/u40:1:28016]
[161846.962367] Modules linked in: tun ocfs2 xen_netback xen_blkback xen_gntalloc xen_gntdev xen_evtchn xenfs xen_privcmd autofs4 ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm ocfs2_nodemanager ocfs2_stackglue configfs bnx2fc fcoe libfcoe libfc sunrpc 8021q mrp garp bridge stp llc bonding dm_round_robin dm_multipath iTCO_wdt iTCO_vendor_support pcspkr sb_edac edac_core i2c_i801 shpchp lpc_ich mfd_core ioatdma ipmi_devintf ipmi_si ipmi_msghandler sg ext4 jbd2 mbcache2 sr_mod cdrom sd_mod igb i2c_algo_bit i2c_core ahci libahci megaraid_sas ixgbe dca ptp pps_core vxlan udp_tunnel ip6_udp_tunnel qla2xxx scsi_transport_fc qlcnic crc32c_intel be2iscsi bnx2i cnic uio cxgb4i cxgb4 cxgb3i libcxgbi ipv6 cxgb3 mdio libiscsi_tcp qla4xxx iscsi_boot_sysfs libiscsi scsi_transport_iscsi dm_mirror dm_region_hash dm_log dm_mod
[161846.962454]
[161846.962460] CPU: 1 PID: 28016 Comm: kworker/u40:1 Not tainted 4.1.12-94.5.9.el6uek.x86_64 #2
[161846.962463] Hardware name: Oracle Corporation SUN SERVER X4-2L /ASSY,MB,X4-2L , BIOS 26050100 09/19/2017
[161846.962489] Workqueue: qlcnic_mailbox qlcnic_83xx_mailbox_worker [qlcnic]
[161846.962493] task: ffff8801f2e34600 ti: ffff88004ca5c000 task.ti: ffff88004ca5c000
[161846.962496] RIP: e030:[<ffffffff810013aa>] [<ffffffff810013aa>] xen_hypercall_sched_op+0xa/0x20
[161846.962506] RSP: e02b:ffff880202e43388 EFLAGS: 00000206
[161846.962509] RAX: 0000000000000000 RBX: ffff8801f6996b70 RCX: ffffffff810013aa
[161846.962511] RDX: ffff880202e433cc RSI: ffff880202e433b0 RDI: 0000000000000003
[161846.962513] RBP: ffff880202e433d0 R08: 0000000000000000 R09: ffff8801fe893200
[161846.962516] R10: ffff8801fe400538 R11: 0000000000000206 R12: ffff880202e4b000
[161846.962518] R13: 0000000000000050 R14: 0000000000000001 R15: 000000000000020d
[161846.962528] FS: 0000000000000000(0000) GS:ffff880202e40000(0000) knlGS:ffff880202e40000
[161846.962531] CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033
[161846.962533] CR2: 0000000002612640 CR3: 00000001bb796000 CR4: 0000000000042660
[161846.962536] Stack:
[161846.962538] ffff880202e43608 0000000000000000 ffffffff813f0442 ffff880202e433b0
[161846.962543] 0000000000000000 ffff880202e433cc ffffffff00000001 0000000000000000
[161846.962547] 00000009813f03d6 ffff880202e433e0 ffffffff813f0460 ffff880202e43440
[161846.962552] Call Trace:
[161846.962555] <IRQ>
[161846.962565] [<ffffffff813f0442>] ? xen_poll_irq_timeout+0x42/0x50
[161846.962570] [<ffffffff813f0460>] xen_poll_irq+0x10/0x20
[161846.962578] [<ffffffff81014222>] xen_lock_spinning+0xe2/0x110
[161846.962583] [<ffffffff81013f01>] __raw_callee_save_xen_lock_spinning+0x11/0x20
[161846.962592] [<ffffffff816e5c57>] ? _raw_spin_lock+0x57/0x80
[161846.962609] [<ffffffffa028acfc>] qlcnic_83xx_enqueue_mbx_cmd+0x7c/0xe0 [qlcnic]
[161846.962623] [<ffffffffa028e008>] qlcnic_83xx_issue_cmd+0x58/0x210 [qlcnic]
[161846.962636] [<ffffffffa028caf2>] qlcnic_83xx_sre_macaddr_change+0x162/0x1d0 [qlcnic]
[161846.962649] [<ffffffffa028cb8b>] qlcnic_83xx_change_l2_filter+0x2b/0x30 [qlcnic]
[161846.962657] [<ffffffff8160248b>] ? __skb_flow_dissect+0x18b/0x650
[161846.962670] [<ffffffffa02856e5>] qlcnic_send_filter+0x205/0x250 [qlcnic]
[161846.962682] [<ffffffffa0285c77>] qlcnic_xmit_frame+0x547/0x7b0 [qlcnic]
[161846.962691] [<ffffffff8160ac22>] xmit_one+0x82/0x1a0
[161846.962696] [<ffffffff8160ad90>] dev_hard_start_xmit+0x50/0xa0
[161846.962701] [<ffffffff81630112>] sch_direct_xmit+0x112/0x220
[161846.962706] [<ffffffff8160b80f>] __dev_queue_xmit+0x1df/0x5e0
[161846.962710] [<ffffffff8160bc33>] dev_queue_xmit_sk+0x13/0x20
[161846.962721] [<ffffffffa0575bd5>] bond_dev_queue_xmit+0x35/0x80 [bonding]
[161846.962729] [<ffffffffa05769fb>] __bond_start_xmit+0x1cb/0x210 [bonding]
[161846.962736] [<ffffffffa0576a71>] bond_start_xmit+0x31/0x60 [bonding]
[161846.962740] [<ffffffff8160ac22>] xmit_one+0x82/0x1a0
[161846.962745] [<ffffffff8160ad90>] dev_hard_start_xmit+0x50/0xa0
[161846.962749] [<ffffffff8160bb1e>] __dev_queue_xmit+0x4ee/0x5e0
[161846.962754] [<ffffffff8160bc33>] dev_queue_xmit_sk+0x13/0x20
[161846.962760] [<ffffffffa05cfa72>] vlan_dev_hard_start_xmit+0xb2/0x150 [8021q]
[161846.962764] [<ffffffff8160ac22>] xmit_one+0x82/0x1a0
[161846.962769] [<ffffffff8160ad90>] dev_hard_start_xmit+0x50/0xa0
[161846.962773] [<ffffffff8160bb1e>] __dev_queue_xmit+0x4ee/0x5e0
[161846.962777] [<ffffffff8160bc33>] dev_queue_xmit_sk+0x13/0x20
[161846.962789] [<ffffffffa05adf74>] br_dev_queue_push_xmit+0x54/0xa0 [bridge]
[161846.962797] [<ffffffffa05ae4ff>] br_forward_finish+0x2f/0x90 [bridge]
[161846.962807] [<ffffffff810b0dad>] ? ttwu_do_wakeup+0x1d/0x100
[161846.962811] [<ffffffff815f929b>] ? __alloc_skb+0x8b/0x1f0
[161846.962818] [<ffffffffa05ae04d>] __br_forward+0x8d/0x120 [bridge]
[161846.962822] [<ffffffff815f613b>] ? __kmalloc_reserve+0x3b/0xa0
[161846.962829] [<ffffffff810be55e>] ? update_rq_runnable_avg+0xee/0x230
[161846.962836] [<ffffffffa05ae176>] br_forward+0x96/0xb0 [bridge]
[161846.962845] [<ffffffffa05af85e>] br_handle_frame_finish+0x1ae/0x420 [bridge]
[161846.962853] [<ffffffffa05afc4f>] br_handle_frame+0x17f/0x260 [bridge]
[161846.962862] [<ffffffffa05afad0>] ? br_handle_frame_finish+0x420/0x420 [bridge]
[161846.962867] [<ffffffff8160d057>] __netif_receive_skb_core+0x1f7/0x870
[161846.962872] [<ffffffff8160d6f2>] __netif_receive_skb+0x22/0x70
[161846.962877] [<ffffffff8160d913>] netif_receive_skb_internal+0x23/0x90
[161846.962884] [<ffffffffa07512ea>] ? xenvif_idx_release+0xea/0x100 [xen_netback]
[161846.962889] [<ffffffff816e5a10>] ? _raw_spin_unlock_irqrestore+0x20/0x50
[161846.962893] [<ffffffff8160e624>] netif_receive_skb_sk+0x24/0x90
[161846.962899] [<ffffffffa075269a>] xenvif_tx_submit+0x2ca/0x3f0 [xen_netback]
[161846.962906] [<ffffffffa0753f0c>] xenvif_tx_action+0x9c/0xd0 [xen_netback]
[161846.962915] [<ffffffffa07567f5>] xenvif_poll+0x35/0x70 [xen_netback]
[161846.962920] [<ffffffff8160e01b>] napi_poll+0xcb/0x1e0
[161846.962925] [<ffffffff8160e1c0>] net_rx_action+0x90/0x1c0
[161846.962931] [<ffffffff8108aaba>] __do_softirq+0x10a/0x350
[161846.962938] [<ffffffff8108ae75>] irq_exit+0x125/0x130
[161846.962943] [<ffffffff813f03a9>] xen_evtchn_do_upcall+0x39/0x50
[161846.962950] [<ffffffff816e7ffe>] xen_do_hypervisor_callback+0x1e/0x40
[161846.962952] <EOI>
[161846.962959] [<ffffffff816e5c4a>] ? _raw_spin_lock+0x4a/0x80
[161846.962964] [<ffffffff816e5b1e>] ? _raw_spin_lock_irqsave+0x1e/0xa0
[161846.962978] [<ffffffffa028e279>] ? qlcnic_83xx_mailbox_worker+0xb9/0x2a0 [qlcnic]
[161846.962991] [<ffffffff810a14e1>] ? process_one_work+0x151/0x4b0
[161846.962995] [<ffffffff8100c3f2>] ? check_events+0x12/0x20
[161846.963001] [<ffffffff810a1960>] ? worker_thread+0x120/0x480
[161846.963005] [<ffffffff816e187b>] ? __schedule+0x30b/0x890
[161846.963010] [<ffffffff810a1840>] ? process_one_work+0x4b0/0x4b0
[161846.963015] [<ffffffff810a1840>] ? process_one_work+0x4b0/0x4b0
[161846.963021] [<ffffffff810a6b3e>] ? kthread+0xce/0xf0
[161846.963025] [<ffffffff810a6a70>] ? kthread_freezable_should_stop+0x70/0x70
[161846.963031] [<ffffffff816e6522>] ? ret_from_fork+0x42/0x70
[161846.963035] [<ffffffff810a6a70>] ? kthread_freezable_should_stop+0x70/0x70
[161846.963037] Code: cc 51 41 53 b8 1c 00 00 00 0f 05 41 5b 59 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 51 41 53 b8 1d 00 00 00 0f 05 <41> 5b 59 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc
Signed-off-by: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
socket can be disconnected and gets transformed back to a listening
socket, if sk_frag.page is not released, which will be cloned into
a new socket by sk_clone_lock, but the reference count of this page
is increased, lead to a use after free or double free issue
Signed-off-by: Li RongQing <lirongqing@baidu.com>
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
The KBUILD_MODNAME variable contains the module name and it is known for
kernel users during compilation, so let's reuse it to track the owners.
Followup patches will store this for resource tracking.
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
|
|
Each of our modules only allocates a PD in one place, so there isn't any
loss in detail, while MODNAME is more useful and recognizable as something
to expose to the user.
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
|
|
The flags field the enum is used with comes directly from the uapi
so it belongs in the uapi headers for clarity and so userspace can
use it.
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
|
|
NET_UDP_TUNNEL is not user selectable, so it should be used as a select
in kconfig.
CRYPTO_CRC32 is a required library for RDMA_RXE so it should active
automatically, as most other CRYPTO_ users do.
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
|
|
When using ioctl to get address of interface, we can't
get it anymore. For example, the command is show as below.
# ifconfig eth0
In the patch ("03aef17bb79b3"), the devinet_ioctl does not
return a suitable value, even though we can find it in
the kernel. Then fix it now.
Fixes: 03aef17bb79b3 ("devinet_ioctl(): take copyin/copyout to caller")
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
syzbot reported a lockdep splat in gen_new_estimator() /
est_fetch_counters() when attempting to lock est->stats_lock.
Since est_fetch_counters() is called from BH context from timer
interrupt, we need to block BH as well when calling it from process
context.
Most qdiscs use per cpu counters and are immune to the problem,
but net/sched/act_api.c and net/netfilter/xt_RATEEST.c are using
a spinlock to protect their data. They both call gen_new_estimator()
while object is created and not yet alive, so this bug could
not trigger a deadlock, only a lockdep splat.
Fixes: 1c0d32fde5bd ("net_sched: gen_estimator: complete rewrite of rate estimators")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Handle HRESP error by doing a SW reset of RX and TX and
re-initializing the descriptors, RX and TX queue pointers.
Signed-off-by: Harini Katakam <harinik@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
On TTC table creation, the indirection TIRs should be used instead of
the inner indirection TIRs.
Fixes: 1ae1df3a1193 ("net/mlx5e: Refactor RSS related objects and code")
Signed-off-by: Gal Pressman <galp@mellanox.com>
Reviewed-by: Shalom Lagziel <shaloml@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Heiner reported a lockdep splat [1]
This is caused by attempting GFP_KERNEL allocation while RCU lock is
held and BH blocked.
We believe that addrconf_verify_rtnl() could run for a long period,
so instead of using GFP_ATOMIC here as Ido suggested, we should break
the critical section and restart it after the allocation.
[1]
[86220.125562] =============================
[86220.125586] WARNING: suspicious RCU usage
[86220.125612] 4.15.0-rc7-next-20180110+ #7 Not tainted
[86220.125641] -----------------------------
[86220.125666] kernel/sched/core.c:6026 Illegal context switch in RCU-bh read-side critical section!
[86220.125711]
other info that might help us debug this:
[86220.125755]
rcu_scheduler_active = 2, debug_locks = 1
[86220.125792] 4 locks held by kworker/0:2/1003:
[86220.125817] #0: ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: [<00000000da8e9b73>] process_one_work+0x1de/0x680
[86220.125895] #1: ((addr_chk_work).work){+.+.}, at: [<00000000da8e9b73>] process_one_work+0x1de/0x680
[86220.125959] #2: (rtnl_mutex){+.+.}, at: [<00000000b06d9510>] rtnl_lock+0x12/0x20
[86220.126017] #3: (rcu_read_lock_bh){....}, at: [<00000000aef52299>] addrconf_verify_rtnl+0x1e/0x510 [ipv6]
[86220.126111]
stack backtrace:
[86220.126142] CPU: 0 PID: 1003 Comm: kworker/0:2 Not tainted 4.15.0-rc7-next-20180110+ #7
[86220.126185] Hardware name: ZOTAC ZBOX-CI321NANO/ZBOX-CI321NANO, BIOS B246P105 06/01/2015
[86220.126250] Workqueue: ipv6_addrconf addrconf_verify_work [ipv6]
[86220.126288] Call Trace:
[86220.126312] dump_stack+0x70/0x9e
[86220.126337] lockdep_rcu_suspicious+0xce/0xf0
[86220.126365] ___might_sleep+0x1d3/0x240
[86220.126390] __might_sleep+0x45/0x80
[86220.126416] kmem_cache_alloc_trace+0x53/0x250
[86220.126458] ? ipv6_add_addr+0xfe/0x6e0 [ipv6]
[86220.126498] ipv6_add_addr+0xfe/0x6e0 [ipv6]
[86220.126538] ipv6_create_tempaddr+0x24d/0x430 [ipv6]
[86220.126580] ? ipv6_create_tempaddr+0x24d/0x430 [ipv6]
[86220.126623] addrconf_verify_rtnl+0x339/0x510 [ipv6]
[86220.126664] ? addrconf_verify_rtnl+0x339/0x510 [ipv6]
[86220.126708] addrconf_verify_work+0xe/0x20 [ipv6]
[86220.126738] process_one_work+0x258/0x680
[86220.126765] worker_thread+0x35/0x3f0
[86220.126790] kthread+0x124/0x140
[86220.126813] ? process_one_work+0x680/0x680
[86220.126839] ? kthread_create_worker_on_cpu+0x40/0x40
[86220.126869] ? umh_complete+0x40/0x40
[86220.126893] ? call_usermodehelper_exec_async+0x12a/0x160
[86220.126926] ret_from_fork+0x4b/0x60
[86220.126999] BUG: sleeping function called from invalid context at mm/slab.h:420
[86220.127041] in_atomic(): 1, irqs_disabled(): 0, pid: 1003, name: kworker/0:2
[86220.127082] 4 locks held by kworker/0:2/1003:
[86220.127107] #0: ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: [<00000000da8e9b73>] process_one_work+0x1de/0x680
[86220.127179] #1: ((addr_chk_work).work){+.+.}, at: [<00000000da8e9b73>] process_one_work+0x1de/0x680
[86220.127242] #2: (rtnl_mutex){+.+.}, at: [<00000000b06d9510>] rtnl_lock+0x12/0x20
[86220.127300] #3: (rcu_read_lock_bh){....}, at: [<00000000aef52299>] addrconf_verify_rtnl+0x1e/0x510 [ipv6]
[86220.127414] CPU: 0 PID: 1003 Comm: kworker/0:2 Not tainted 4.15.0-rc7-next-20180110+ #7
[86220.127463] Hardware name: ZOTAC ZBOX-CI321NANO/ZBOX-CI321NANO, BIOS B246P105 06/01/2015
[86220.127528] Workqueue: ipv6_addrconf addrconf_verify_work [ipv6]
[86220.127568] Call Trace:
[86220.127591] dump_stack+0x70/0x9e
[86220.127616] ___might_sleep+0x14d/0x240
[86220.127644] __might_sleep+0x45/0x80
[86220.127672] kmem_cache_alloc_trace+0x53/0x250
[86220.127717] ? ipv6_add_addr+0xfe/0x6e0 [ipv6]
[86220.127762] ipv6_add_addr+0xfe/0x6e0 [ipv6]
[86220.127807] ipv6_create_tempaddr+0x24d/0x430 [ipv6]
[86220.127854] ? ipv6_create_tempaddr+0x24d/0x430 [ipv6]
[86220.127903] addrconf_verify_rtnl+0x339/0x510 [ipv6]
[86220.127950] ? addrconf_verify_rtnl+0x339/0x510 [ipv6]
[86220.127998] addrconf_verify_work+0xe/0x20 [ipv6]
[86220.128032] process_one_work+0x258/0x680
[86220.128063] worker_thread+0x35/0x3f0
[86220.128091] kthread+0x124/0x140
[86220.128117] ? process_one_work+0x680/0x680
[86220.128146] ? kthread_create_worker_on_cpu+0x40/0x40
[86220.128180] ? umh_complete+0x40/0x40
[86220.128207] ? call_usermodehelper_exec_async+0x12a/0x160
[86220.128243] ret_from_fork+0x4b/0x60
Fixes: f3d9832e56c4 ("ipv6: addrconf: cleanup locking in ipv6_add_addr")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
In current route cache aging logic, if a route has both RTF_EXPIRE and
RTF_GATEWAY set, the route will only be removed if the neighbor cache
has no NTF_ROUTER flag. Otherwise, even if the route has expired, it
won't get deleted.
Fix this logic to always check if the route has expired first and then
do the gateway neighbor cache check if previous check decide to not
remove the exception entry.
Fixes: 1859bac04fb6 ("ipv6: remove from fib tree aged out RTF_CACHE dst")
Signed-off-by: Wei Wang <weiwan@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
When compared to ixgbe and other previous Intel drivers the i40e and i40evf
drivers actually reserve 2 additional descriptors in maybe_stop_tx for
cache line alignment. We need to update DESC_NEEDED to reflect this as
otherwise we are more likely to return TX_BUSY which will cause issues with
things like xmit_more.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Make sure to cancel any pending work that might update driver coalesce
settings when taking down an interface.
Fixes: 6a8788f25625 ("bnxt_en: add support for software dynamic interrupt moderation")
Signed-off-by: Andy Gospodarek <gospo@broadcom.com>
Cc: Michael Chan <michael.chan@broadcom.com>
Acked-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Unsolicited IPv6 neighbor advertisements should be sent after DAD
completes. Update ndisc_send_unsol_na to skip tentative, non-optimistic
addresses and have those sent by addrconf_dad_completed after DAD.
Fixes: 4a6e3c5def13c ("net: ipv6: send unsolicited NA on admin up")
Reported-by: Vivek Venkatraman <vivek@cumulusnetworks.com>
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
When the frame check sequence (FCS) is split across the last two frames
of a fragmented packet, part of the FCS gets counted twice, once when
subtracting the FCS, and again when subtracting the previously received
data.
For example, if 1602 bytes are received, and the first fragment contains
the first 1600 bytes (including the first two bytes of the FCS), and the
second fragment contains the last two bytes of the FCS:
'skb->len == 1600' from the first fragment
size = lstatus & BD_LENGTH_MASK; # 1602
size -= ETH_FCS_LEN; # 1598
size -= skb->len; # -2
Since the size is unsigned, it wraps around and causes a BUG later in
the packet handling, as shown below:
kernel BUG at ./include/linux/skbuff.h:2068!
Oops: Exception in kernel mode, sig: 5 [#1]
...
NIP [c021ec60] skb_pull+0x24/0x44
LR [c01e2fbc] gfar_clean_rx_ring+0x498/0x690
Call Trace:
[df7edeb0] [c01e2c1c] gfar_clean_rx_ring+0xf8/0x690 (unreliable)
[df7edf20] [c01e33a8] gfar_poll_rx_sq+0x3c/0x9c
[df7edf40] [c023352c] net_rx_action+0x21c/0x274
[df7edf90] [c0329000] __do_softirq+0xd8/0x240
[df7edff0] [c000c108] call_do_irq+0x24/0x3c
[c0597e90] [c00041dc] do_IRQ+0x64/0xc4
[c0597eb0] [c000d920] ret_from_except+0x0/0x18
--- interrupt: 501 at arch_cpu_idle+0x24/0x5c
Change the size to a signed integer and then trim off any part of the
FCS that was received prior to the last fragment.
Fixes: 6c389fc931bc ("gianfar: fix size of scatter-gathered frames")
Signed-off-by: Andy Spencer <aspencer@spacex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Move the last used path to the end of the list (least preferred) so that
ties are more evenly distributed.
For example, in case with three paths with one that is slower than
others, the remaining two would be unevenly used if they tie. This is
due to the rotation not being a truely fair distribution.
Illustrated: paths a, b, c, 'c' has 1 outstanding IO, a and b are 'tied'
Three possible rotations:
(a, b, c) -> best path 'a'
(b, c, a) -> best path 'b'
(c, a, b) -> best path 'a'
(a, b, c) -> best path 'a'
(b, c, a) -> best path 'b'
(c, a, b) -> best path 'a'
...
So 'a' is used 2x more than 'b', although they should be used evenly.
With this change, the most recently used path is always the least
preferred, removing this bias resulting in even distribution.
(a, b, c) -> best path 'a'
(b, c, a) -> best path 'b'
(c, a, b) -> best path 'a'
(c, b, a) -> best path 'b'
...
Signed-off-by: Khazhismel Kumykov <khazhy@google.com>
Reviewed-by: Martin Wilck <mwilck@suse.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
|
|
Since the unstripe target takes a target length which is the
size of *one* striped member we're trying to expose, not the
total size of *all* the striped members, the check does not
make sense and fails for some striped setups.
For example, say we have a 4TB striped device:
or 3907018496 sectors per underlying device:
if (sector_div(width, uc->stripes)) :
3907018496 / 2(num stripes) == 1953509248
tmp_len = width;
if (sector_div(tmp_len, uc->chunk_size)) :
1953509248 / 256(chunk size) == 7630895.5
(fails)
Fix this by removing the first check which isn't valid for unstriping.
Signed-off-by: Scott Bauer <scott.bauer@intel.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
|
|
The trailing semicolon is an empty statement that does no operation.
Removing it since it doesn't do anything.
Signed-off-by: Luis de Bethencourt <luisbg@kernel.org>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
|
|
The 'verify_rq_based:' code in dm_table_determine_type() was checking
all devices in the DM table rather than only checking the data devices.
Fix this by using the immutable target's iterate_devices method.
Also, tweak the block of dm_table_determine_type() code that decides
whether to upgrade from DM_TYPE_BIO_BASED to DM_TYPE_NVME_BIO_BASED so
that it makes sure the immutable_target doesn't support require
splitting IOs.
These changes have been verified to allow a "thin-pool" target whose
data device is an NVMe device to be upgraded to DM_TYPE_NVME_BIO_BASED.
Using the thin-pool in NVMe bio-based mode was verified to pass all the
device-mapper-test-suite's "thin-provisioning" tests.
Also verified that request-based DM multipath (with queue_mode "rq" and
"mq") works as expected using the 'mptest' harness.
Fixes: 22c11858e ("dm: introduce DM_TYPE_NVME_BIO_BASED")
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
|
|
Also, add dm_sysfs_init() error handling to dm_create().
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
|
|
Add DM_ENDIO_DELAY_REQUEUE to allow request-based multipath's
multipath_end_io() to instruct dm-rq.c:dm_done() to delay a requeue.
This is beneficial to do if BLK_STS_RESOURCE is returned from the target
(because target is busy).
Relative to blk-mq: kick the hw queues via blk_mq_requeue_work(),
indirectly from dm-rq.c:__dm_mq_kick_requeue_list(), after a delay.
For old .request_fn: use blk_delay_queue().
bio-based multipath doesn't have feature parity with request-based for
retryable error requeues; that is something that'll need fixing in the
future.
Suggested-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Bart Van Assche <bart.vanassche@wdc.com>
[as interpreted from Bart's "... patch looks fine to me."]
|
|
As struct btrfs_disk_super is being passed, so it can get devid
the same way its parent does.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
|
|
Instead of pointer to btrfs_fs_devices as an arg in device_list_add()
better to get pointer to btrfs_device as return value, then we have
both, pointer to btrfs_device and btrfs_fs_devices. btrfs_device is
needed to handle reappearing missing device.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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pfifo_fast used to drop based on qdisc_dev(qdisc)->tx_queue_len,
so we have to resize skb array when we change tx_queue_len.
Other qdiscs which read tx_queue_len are fine because they
all save it to sch->limit or somewhere else in qdisc during init.
They don't have to implement this, it is nicer if they do so
that users don't have to re-configure qdisc after changing
tx_queue_len.
Cc: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Yonghong Song
Jakub Kicinski
Eric Biggers
Jeff Layton
Vakul Garg
Nikolay Aleksandrov
Ulf Magnusson
Gustavo A. R. Silva
Chunhao Lin
Kristian Evensen
Christian Brauner
John Pittman
Florian Schmidt
Andreas Gruenbacher
Abhi Das
James Hogan
Yang Shunyong
Leon Romanovsky
Thomas Falcon
Junxiao Bi
Li RongQing
Jason Gunthorpe
Tonghao Zhang
Eric Dumazet
Harini Katakam
Gal Pressman
Wei Wang
Alexander Duyck
Andy Gospodarek
David Ahern
Andy Spencer
Khazhismel Kumykov
Scott Bauer
Luis de Bethencourt
Mike Snitzer
Anand Jain
Cong Wang