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2020-08-04Merge release-20200622.1-329-g00993130e (automated)gVisor bot
2020-08-04Use 1 fragmentation component per IP stackGhanan Gowripalan
This will help manage memory consumption by IP reassembly when receiving IP fragments on multiple network endpoints. Previously, each endpoint would cap memory consumption at 4MB, but with this change, each IP stack will cap memory consumption at 4MB. No behaviour changes. PiperOrigin-RevId: 324913904
2020-08-04Merge release-20200622.1-328-g0500f84b6 (automated)gVisor bot
2020-08-04Add reference counting utility to VFS2.Dean Deng
The utility has several differences from the VFS1 equivalent: - There are no weak references, which have a significant overhead - In order to print useful debug messages with the type of the reference- counted object, we use a generic Refs object with the owner type as a template parameter. In vfs1, this was accomplished by storing a type name and caller stack directly in the ref count (as in vfs1), which increases the struct size by 6x. (Note that the caller stack was needed because fs types like Dirent were shared by all fs implementations; in vfs2, each impl has its own data structures, so this is no longer necessary.) As an example, the utility is added to tmpfs.inode. Updates #1486. PiperOrigin-RevId: 324906582
2020-08-04Merge release-20200622.1-327-gaf2f45673 (automated)gVisor bot
2020-08-04Merge release-20200622.1-325-g12c2c6ae3 (automated)gVisor bot
2020-08-04Merge release-20200622.1-324-g7dfcf727a (automated)gVisor bot
2020-08-04Merge release-20200622.1-323-gd64ba89da (automated)gVisor bot
2020-08-04Internal change.gVisor bot
PiperOrigin-RevId: 324826968
2020-08-04Merge release-20200622.1-322-g1bdadbc4f (automated)gVisor bot
2020-08-04Merge release-20200622.1-321-g7142a86a2 (automated)gVisor bot
2020-08-04Internal change.gVisor bot
PiperOrigin-RevId: 324819246
2020-08-04Merge release-20200622.1-320-g9873b8ea3 (automated)gVisor bot
2020-08-04Merge release-20200622.1-319-ga02b7534f (automated)gVisor bot
2020-08-04Merge release-20200622.1-318-g25798f214 (automated)gVisor bot
2020-08-03Add callbacks to support lazy loading/restoring thread statesAndrei Vagin
PiperOrigin-RevId: 324748508
2020-08-04Merge release-20200622.1-317-gb5c9ff819 (automated)gVisor bot
2020-08-04Merge release-20200622.1-316-gad7c9fc4c (automated)gVisor bot
2020-08-03[vfs2] Implement /sys/devices/system/cpu/cpuX.Ayush Ranjan
Fixes #3364 PiperOrigin-RevId: 324724614
2020-08-03Merge release-20200622.1-315-gfe441dd25 (automated)gVisor bot
2020-08-03Internal change.gVisor bot
PiperOrigin-RevId: 324695672
2020-08-03Merge release-20200622.1-314-g5626ccf61 (automated)gVisor bot
2020-08-03Remove old TODO.Dean Deng
Fixes #2920. PiperOrigin-RevId: 324695118
2020-08-03Merge release-20200622.1-313-gb2ae7ea1b (automated)gVisor bot
2020-08-03Plumbing context.Context to DecRef() and Release().Nayana Bidari
context is passed to DecRef() and Release() which is needed for SO_LINGER implementation. PiperOrigin-RevId: 324672584
2020-08-03Merge release-20200622.1-312-gef11bb936 (automated)gVisor bot
2020-08-03Merge release-20200622.1-310-g1fbbc795e (automated)gVisor bot
2020-08-03Merge pull request #3460 from zhlhahaha:1927gVisor bot
PiperOrigin-RevId: 324658881
2020-08-03Add inotify events for fallocate and tests for fallocate/sendfile.Dean Deng
Updates #1479, #2923. PiperOrigin-RevId: 324658826
2020-08-03Merge release-20200622.1-309-g07267fc4c (automated)gVisor bot
2020-08-03Merge release-20200622.1-307-g1a93a78d1 (automated)gVisor bot
2020-08-03Merge release-20200622.1-306-ge3c349d21 (automated)gVisor bot
2020-08-03Merge release-20200622.1-305-g10f6c41bb (automated)gVisor bot
2020-08-03AARCH64:fix variable name collision with register nameHoward Zhang
The variable name is g which is collision with the reserved name for R28. This leads to bazel build failure on ARM with following information: (register+register) not supported on this architecture rename it from g to ptr (referenced from golang source code) Signed-off-by: Howard Zhang <howard.zhang@arm.com>
2020-07-31Merge release-20200622.1-304-gd5b31458a (automated)gVisor bot
2020-07-31Merge pull request #3300 from lubinszARM:pr_fpsimd_usrgVisor bot
PiperOrigin-RevId: 324309862
2020-07-31Merge release-20200622.1-302-gfcc88a8b2 (automated)gVisor bot
2020-07-31Merge release-20200622.1-301-gfd5f4ffed (automated)gVisor bot
2020-07-31Merge release-20200622.1-300-ga7d9aa6d5 (automated)gVisor bot
2020-07-31Support fragments from different sourcesGhanan Gowripalan
Prevent fragments with different source-destination pairs from conflicting with each other. Test: - ipv6_test.TestReceiveIPv6Fragments - ipv4_test.TestReceiveIPv6Fragments PiperOrigin-RevId: 324283246
2020-07-31Merge pull request #3348 from kevinGC:so-orig-dstgVisor bot
PiperOrigin-RevId: 324279280
2020-07-31Internal change.gVisor bot
PiperOrigin-RevId: 324259991
2020-07-31iptables: support SO_ORIGINAL_DSTKevin Krakauer
Envoy (#170) uses this to get the original destination of redirected packets.
2020-07-31Clean up vfs2 fallocate.Dean Deng
Move to setstat.go and add a FileDescription wrapper method. PiperOrigin-RevId: 324165277
2020-07-30Fix TCP CurrentConnected counter updates.Mithun Iyer
CurrentConnected counter is incorrectly decremented on close of an endpoint which is still not connected. Fixes #3443 PiperOrigin-RevId: 324155171
2020-07-30Merge pull request #3448 from lubinszARM:pr_tls_testsgVisor bot
PiperOrigin-RevId: 324127810
2020-07-30Merge pull request #3028 from lubinszARM:pr_kvm_hello1gVisor bot
PiperOrigin-RevId: 324125938
2020-07-30Merge pull request #3179 from jinmouil:fuse_initgVisor bot
PiperOrigin-RevId: 324100220
2020-07-30Revert change to default buffer size.Bhasker Hariharan
In https://github.com/google/gvisor/commit/ca6bded95dbce07f9683904b4b768dfc2d4a09b2 we reduced the default buffer size to 32KB. This mostly works fine except at high throughput where we hit zero window very quickly and the TCP receive buffer moderation is not able to grow the window. This can be seen in the benchmarks where with a 32KB buffer and 100 connections downloading a 10MB file we get about 30 requests/s vs the 1MB buffer gives us about 53 requests/s. A proper fix requires a few changes to when we send a zero window as well as when we decide to send a zero window update. Today we consider available space below 1MSS as zero and send an update when it crosses 1MSS of available space. This is way too low and results in the window staying very small once we hit a zero window condition as we keep sending updates with size barely over 1MSS. Linux and BSD are smarter about this and use different thresholds. We should separately update our logic to match linux or BSD so that we don't send window updates that are really tiny or wait until we drop below 1MSS to advertise a zero window. PiperOrigin-RevId: 324087019
2020-07-30Enforce fragment block size and validate argsGhanan Gowripalan
Allow configuring fragmentation.Fragmentation with a fragment block size which will be enforced when processing fragments. Also validate arguments when processing fragments. Test: - fragmentation.TestErrors - ipv6_test.TestReceiveIPv6Fragments - ipv4_test.TestReceiveIPv6Fragments PiperOrigin-RevId: 324081521
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