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PiperOrigin-RevId: 373661350
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cgroup controllers can be grouped together (e.g. cpu,cpuacct) and
that was confusing Cgroup.Install() into thinking that a cgroup
directory was created by the caller, when it had being created by
another controller that is grouped together.
PiperOrigin-RevId: 373661336
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Benchmark iperf3:
Before After
native->runsc 5.14 5.01 (Gbps)
runsc->native 4.15 4.07 (Gbps)
It did introduce overhead, mainly at the bridge between pkg/buffer and
VectorisedView, the ExtractVV method. Once endpoints start migrating away from
VV, this overhead will be gone.
Updates #2404
PiperOrigin-RevId: 373651666
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...to make it clear to callers that all interfaces are updated with the
forwarding flag and that future NICs will be created with the new
forwarding state.
PiperOrigin-RevId: 373618435
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Fix TODO comments referring to incorrect issue numbers. Also fix the link in
issue reviver comments to include the right url fragment.
PiperOrigin-RevId: 373491821
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We need to make sure that all children are closed before
return. But the last child saved in parent isn't closed
after we successfully iterate all the files in "names".
This patch fixes this issue.
Fixes #5982
Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
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Before this change, we would silently drop packets when the packet was too
big to be sent out through the NIC (and, for IPv4 packets, if DF was set).
This change brings us into line with RFC 792 (IPv4) and RFC 4443 (IPv6),
both of which specify that gateways should return an ICMP error to the sender
when the packet can't be fragmented.
PiperOrigin-RevId: 373480078
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PiperOrigin-RevId: 373466994
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This code path is for outgoing packets, and we don't currently do memory
accounting on this path. So it wasn't breaking anything.
This change did not add a test for ref-counting issue fixed, but will switch to
the leak-checking ref-counter later when all ref-counting issues are fixed.
PiperOrigin-RevId: 373447913
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PiperOrigin-RevId: 373437576
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PiperOrigin-RevId: 373417636
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N.B. we don't explicitly support MIPS, but there's no reason it
shouldn't work.
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PiperOrigin-RevId: 373271579
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PiperOrigin-RevId: 373265454
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PiperOrigin-RevId: 373221316
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This is a hot path for all incoming packets and we don't
need an exclusive lock here as we are not modifying any
of the fields protected by mu here.
PiperOrigin-RevId: 373181254
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This is in preparation of having aggregated NIC stats at the stack
level. These validation functions will be needed outside of the
network layer packages to test aggregated NIC stats.
PiperOrigin-RevId: 373180565
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Currently, we process IPv6 extension headers when receiving packets
but not when forwarding them. This is fine for the most part, with
with one exception: RFC 8200 requires that we process the
Hop-by-Hop headers even while forwarding packets.
This CL adds that support by invoking the Hop-by-hop logic performed
when receiving packets during forwarding as well.
PiperOrigin-RevId: 373145478
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Fixes invocation of the Github issue reviver by including the required 'path'
command line option. Also updates the issue reviver to add a 'revived' label to
revived issues. Issues with a 'revived' label will no longer be marked as
stale.
PiperOrigin-RevId: 373046772
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PiperOrigin-RevId: 372993341
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PiperOrigin-RevId: 372608247
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This patch is to solve problem that vCPU timer mess up when
adding vCPU dynamically on ARM64, for detailed information
please refer to:
https://github.com/google/gvisor/issues/5739
There is no influence on x86 and here are main changes for
ARM64:
1. create maxVCPUs number of vCPU in machine initialization
2. we want to sync gvisor vCPU number with host CPU number,
so use smaller number between runtime.NumCPU and
KVM_CAP_MAX_VCPUS to be maxVCPUS
3. put unused vCPUs into architecture-specific map initialvCPUs
4. When machine need to bind a new vCPU with tid, rather
than creating new one, it would pick a vCPU from map initalvCPUs
5. change the setSystemTime function. When vCPU number increasing,
the time cost for function setTSC(use syscall to set cntvoff) is
liner growth from around 300 ns to 100000 ns, and this leads to
the function setSystemTimeLegacy can not get correct offset
value.
6. initializing StdioFDs and goferFD before a platform to avoid
StdioFDs confects with vCPU fds
Signed-off-by: howard zhang <howard.zhang@arm.com>
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This change implements /proc/cmdline with a basic faux command line
"BOOT_IMAGE=/vmlinuz-[version]-gvisor quiet" so apps that may expect
it do not receive errors.
Also tests for the existence of /proc/cmdline as part of the system
call test suite
PiperOrigin-RevId: 372462070
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