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PiperOrigin-RevId: 221343626
Change-Id: I03d57293a555cf4da9952a81803b9f8463173c89
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PiperOrigin-RevId: 221343421
Change-Id: I418b5204c5ed4fe1e0af25ef36ee66b9b571928e
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PiperOrigin-RevId: 221299066
Change-Id: I8ae352458f9976c329c6946b1efa843a3de0eaa4
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PiperOrigin-RevId: 221189534
Change-Id: Id20d318bed97d5226b454c9351df396d11251e1f
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PiperOrigin-RevId: 221178413
Change-Id: I0e615c5e945cb924d8df767c894a9e402f0b8ff2
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PiperOrigin-RevId: 221123160
Change-Id: Ia7061d60d114d69f49aba853fe6bae3c733522b5
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PiperOrigin-RevId: 221117846
Change-Id: I2a43fd8135b1d1194ff81e98644ce6b6182ece50
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PiperOrigin-RevId: 220869535
Change-Id: I9917e5daf02499f7aab6e2aa4051c54ff4461b9a
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PiperOrigin-RevId: 220866996
Change-Id: I89d48215df57c00d6a6ec512fc18712a2ea9080b
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Each container has its respective gofer. Test that
gofer can be shutdown when a container stops and that
it doesn't affect other containers.
PiperOrigin-RevId: 220829898
Change-Id: I2a44a3cf2a88577e6ad1133afc622bbf4a5f6591
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sync_file_range - sync a file segment with disk
In Linux, sync_file_range() accepts three flags:
SYNC_FILE_RANGE_WAIT_BEFORE
Wait upon write-out of all pages in the specified range that
have already been submitted to the device driver for write-out
before performing any write.
SYNC_FILE_RANGE_WRITE
Initiate write-out of all dirty pages in the specified range
which are not presently submitted write-out. Note that even
this may block if you attempt to write more than request queue
size.
SYNC_FILE_RANGE_WAIT_AFTER
Wait upon write-out of all pages in the range after performing
any write.
In this implementation:
SYNC_FILE_RANGE_WAIT_BEFORE without SYNC_FILE_RANGE_WAIT_AFTER isn't
supported right now.
SYNC_FILE_RANGE_WRITE is skipped. It should initiate write-out of all
dirty pages, but it doesn't wait, so it should be safe to do nothing
while nobody uses SYNC_FILE_RANGE_WAIT_BEFORE.
SYNC_FILE_RANGE_WAIT_AFTER is equal to fdatasync(). In Linux,
sync_file_range() doesn't writes out the file's meta-data, but
fdatasync() does if a file size is changed.
PiperOrigin-RevId: 220730840
Change-Id: Iae5dfb23c2c916967d67cf1a1ad32f25eb3f6286
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Create syscall stubs for missing syscalls upto Linux 4.4 and advertise
a kernel version of 4.4.
PiperOrigin-RevId: 220667680
Change-Id: Idbdccde538faabf16debc22f492dd053a8af0ba7
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PiperOrigin-RevId: 220588094
Change-Id: I18915e892ceac86eac1f89ebcadffb4fdf8d0cf6
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SetupContainerInRoot was setting Config.RootDir unnecessarily
and causing a --race violation in TestMultiContainerDestroyStarting.
PiperOrigin-RevId: 220580073
Change-Id: Ie0b28c19846106c7458a92681b708ae70f87d25a
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destroyContainerFS must wait for all async operations to finish before
returning. In an attempt to do this, we call fs.AsyncBarrier() at the end of
the function. However, there are many defer'd DecRefs which end up running
AFTER the AsyncBarrier() call.
This CL fixes this by calling fs.AsyncBarrier() in the first defer statement,
thus ensuring that it runs at the end of the function, after all other defers.
PiperOrigin-RevId: 220523545
Change-Id: I5e96ee9ea6d86eeab788ff964484c50ef7f64a2f
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PiperOrigin-RevId: 220519632
Change-Id: Iaeec007fc1aa3f0b72569b288826d45f2534c4bf
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Increase timeout to prevent the entry from being
found when there is delay on the address resolution
goroutine that doesn't mark the request as failed.
PiperOrigin-RevId: 220504789
Change-Id: I7e44fd95d8624bd69962f862fbf5517a81395f2a
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PiperOrigin-RevId: 220492705
Change-Id: I6b7bc11acd5d407982e0038e7f0762975a56f4d4
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PiperOrigin-RevId: 220372291
Change-Id: I054ba56a23c402c7244b476d7d6fe72084942a0e
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Bazel 0.18 moved the workspace bazelrc location from //tools/bazel.rc to
//.bazelrc. The old location will be dropped by a future version of
bazel.
This bumps the minimum required version of bazel to 0.18.
More context:
https://groups.google.com/forum/#!msg/bazel-discuss/ycDacctX2vw/EGFxGLibAgAJ
PiperOrigin-RevId: 220338084
Change-Id: Ib6fa83a4a0f89e8e898d67152c7bd429e0b9b21e
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PiperOrigin-RevId: 220314735
Change-Id: Ic519567e43f6caf042b9f223e517da40640b7d38
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Before this change, a container starting up could race with
destroy (aka delete) and leave processes behind.
Now, whenever a container is created, Loader.processes gets
a new entry. Start now expects the entry to be there, and if
it's not it means that the container was deleted.
I've also fixed Loader.waitPID to search for the process using
the init process's PID namespace.
We could use a few more tests for signal and wait. I'll send
them in another cl.
PiperOrigin-RevId: 220224290
Change-Id: I15146079f69904dc07d43c3b66cc343a2dab4cc4
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PiperOrigin-RevId: 220204591
Change-Id: I21a9c6f5c12a376d18da5d10c1871837c4f49ad2
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These files were added with the wrong name after all of the existing files
were corrected.
PiperOrigin-RevId: 220202068
Change-Id: Ia0d15233c1aa69330356a7cf16b5aa00d978e09c
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PiperOrigin-RevId: 220185891
Change-Id: Iaea73fd7b2fa8c399b989cdcaabf4885f370df4b
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More tests will come, but it's worth getting what's done so far reviewed.
PiperOrigin-RevId: 219734531
Change-Id: If15ca6e6855e3d1cc28c83b5f9c3a72cb65b2e59
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Otherwise the gofer's attach point may be different from sandbox when there
symlinks in the path.
PiperOrigin-RevId: 219730492
Change-Id: Ia9c4c2d16228c6a1a9e790e0cb673fd881003fe1
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Fluentd configuration uses 'log' for the log message
while containerd uses 'msg'. Since we can't have a single
JSON format for both, add another log format and make
debug log configurable.
PiperOrigin-RevId: 219729658
Change-Id: I2a6afc4034d893ab90bafc63b394c4fb62b2a7a0
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Updated error messages so that it doesn't print full Go struct representations
when running a new container in a sandbox. For example, this occurs frequently
when commands are not found when doing a 'kubectl exec'.
PiperOrigin-RevId: 219729141
Change-Id: Ic3a7bc84cd7b2167f495d48a1da241d621d3ca09
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Shm segments can be marked for lazy destruction via shmctl(IPC_RMID),
which destroys a segment once it is no longer attached to any
processes. We were unconditionally decrementing the segment refcount
on shmctl(IPC_RMID) which allowed a user to force a segment to be
destroyed by repeatedly calling shmctl(IPC_RMID), with outstanding
memory maps to the segment.
This is problematic because the memory released by a segment destroyed
this way can be reused by a different process while remaining
accessible by the process with outstanding maps to the segment.
PiperOrigin-RevId: 219713660
Change-Id: I443ab838322b4fb418ed87b2722c3413ead21845
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https://github.com/containerd/containerd/blob/master/oci/spec.go#L206, the mode=755
didn't match the pattern modeRegexp = regexp.MustCompile("0[0-7][0-7][0-7]").
Closes #112
Signed-off-by: Juan <xionghuan.cn@gmail.com>
Change-Id: I469e0a68160a1278e34c9e1dbe4b7784c6f97e5a
PiperOrigin-RevId: 219672525
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From https://golang.org/pkg/net/http/#Get:
"When err is nil, resp always contains a non-nil resp.Body. Caller should close
resp.Body when done reading from it."
PiperOrigin-RevId: 219658052
Change-Id: I556e88ac4f2c90cd36ab16cd3163d1a52afc32b7
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PiperOrigin-RevId: 219575226
Change-Id: If4e67b29110332c94013513fb111ec7e019f2915
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PiperOrigin-RevId: 219571556
Change-Id: I5a1042c1cb05eb2711eb01627fd298bad6c543a6
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Replacing map lookups with slice indexing is higher performance.
PiperOrigin-RevId: 219569901
Change-Id: I9b7cd22abd4b95383025edbd5a80d1c1a4496936
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This reduces the number of floating point save/restore cycles required (since
we don't need to restore immediately following the switch, this always happens
in a known context) and allows the kernel hooks to capture state. This lets us
remove calls like "Current()".
PiperOrigin-RevId: 219552844
Change-Id: I7676fa2f6c18b9919718458aa888b832a7db8cab
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This improves debuggability greatly.
PiperOrigin-RevId: 219551560
Change-Id: I2ecaffdd1c17b0d9f25911538ea6f693e2bc699f
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With recent changes to 9P server, path walks are now safe inside
open, create, rename and setattr calls. To simplify the code, remove
the lazyopen=false mode that was used for bind mounts, and converge
all mounts to using lazy open.
PiperOrigin-RevId: 219508628
Change-Id: I073e7e1e2e9a9972d150eaf4cb29e553997a9b76
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PiperOrigin-RevId: 219492587
Change-Id: I47f6fc0b74a4907ab0aff03d5f26453bdb983bb5
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This field was added in the intial implementation, before Route existed
to pass the local and remote addresses to the packet-writing path.
Today, the Route's members should be respected. A similar bug was
previously fixed in 214650822.
PiperOrigin-RevId: 219474095
Change-Id: Id2a8ee4421d2841c8d88ccb3c193c455086350ee
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Use private futexes for performance and to align with other runtime uses.
PiperOrigin-RevId: 219422634
Change-Id: Ief2af5e8302847ea6dc246e8d1ee4d64684ca9dd
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Actually parse flags from cpuinfo to avoid mistakenly matching
substrings in cpuinfo that happen to match a flags.
Some features were only exposed in recent versions of Linux. Don't
require them to appear in cpuinfo on old versions of Linux.
Move PREFETCHWT1 back to parse only features. It isn't actually exposed
in Linux yet. Move SDBG to shown features. It has been visible since
Linux 4.3.
PiperOrigin-RevId: 219381731
Change-Id: Ied7c0ee7c8a9879683e81933de56c9074b01108f
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PiperOrigin-RevId: 219166563
Change-Id: If4922eb5dd119b00f2c4bc7a5e016016ce9b9e45
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PiperOrigin-RevId: 219166541
Change-Id: Ieebadaed4096eb48f00fba663e1c76fb41438078
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PiperOrigin-RevId: 219151173
Change-Id: I73014ea648ae485692ea0d44860c87f4365055cb
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Extend the cpuid package to parse and emulate cpuid features that exist
only on AMD and not Intel. The least straightforward part of this is
that AMD duplicates several block 1 features in block 6. Thus we ignore
those features when parsing block 6 and add them when emulating.
PiperOrigin-RevId: 218935032
Change-Id: Id41bf1c24720b0d9b968e2c19ab5bc00a6d62bd4
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Linux added these block 3 features to the end of /proc/cpuinfo in
dfb4a70f20c5b3880da56ee4c9484bdb4e8f1e65.
This also fixes that block 3 features were completely missing from
FeatureSet.FlagsString(false) because FlagsString only prints Linux
blocks regardless of the cpuinfo option.
PiperOrigin-RevId: 218913816
Change-Id: I2f9c38c7c9da4b247a140877d4aca782e80684bd
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PiperOrigin-RevId: 218894181
Change-Id: I97d0c74175f4aa528363f768a0a85d6953ea0bfd
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It can be occurred if two controllers are mounted together or if Uninstall() is called on a error path.
PiperOrigin-RevId: 218723886
Change-Id: I69d7a3c0685a7da38527ea8b7b301dbe96268285
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PiperOrigin-RevId: 218636184
Change-Id: I44deac3f32276d06955c5fb1e28c5970bb08f5fd
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