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| 2ccf971a | jhb | Feb. 19, 2021, 8:52 p.m. | iflib: Cast the result of iflib_netmap_txq_init() to void.
This fixes a warning from GCC for kernels without netmap since the return value is never used. Reviewed by: vmaffione, erj Differential Revision: https://reviews.freebsd.org/D28598cgit |
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| 05d882b7 | mav | Feb. 19, 2021, 8:49 p.m. | Microoptimize CTL I/O queues.
Switch OOA queue from TAILQ to LIST and change its direction, so that we traverse it forward, not backward. There is only one place where we really need other direction, and it is not critical. Use STAILQ_REMOVE_HEAD() instead of STAILQ_REMOVE() in backends. Replace few impossible conditions with assertions. MFC after: 1 monthcgit |
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| c3feaeaa | rwatson | Feb. 19, 2021, 9 a.m. | Reimplement the arm64 dtrace_gethrtime(), which provides the
high-resolution nanosecond timestamp used for the DTrace 'timestamp' built-in variable. The new implementation uses the EL0 cycle counter and frequency registers in ARMv8-A. This replaces a previous implementation that relied on an instrumentation-safe implementation of getnanotime(), which provided only timer resolution. MFC after: 3 days Reviewed by: andrew, bsdimp (older version) Useful comments appreciated: jrtc27, emastecgit |
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| 50b7c1f5 | alfredo | Feb. 19, 2021, 10:50 p.m. | ofwfb: fix incorrect colors on powerpc* and add new tunable parameters
- Implements little-endian support (powerpc64le) - Adds 'hw.ofwfb.physaddr' kernel parameter so user can manually provide correct address if it's not detected correctly - Adds 'hw.ofwfb.argb32_pixel' so user can set it manually if colors are inverted due to incorrect pixel format (default = 1) - Automatically selects RGBA32 pixel format if NVidia graphic adapter is detected (sets hw.ofwfb.argb32_pixel=0) Machines equipped with NVidia graphic adapters tend to use RGBA32 pixel format. By default ARGB32 pixel format is used, proved to work on machines equipped with ATI graphic adapter and the onboard adapter used on Talos II and Blackbird machines from Raptor Computing Systems. Original patch developed by bdragon Reviewed by: bdragon, luporl MFC after: 3 days Relnotes: yes Differential Revision: https://reviews.freebsd.org/D28604cgit |
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| d765b211 | andrew | Feb. 19, 2021, 3:31 p.m. | Remove __XSCALE__ checks from the arm code
XScale support was removed over 2 years ago, remove the last __XSCALE__ checks from the arm MD code. Sponsored by: Innovate UKcgit |
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| 853fd7a2 | rscheff | Feb. 19, 2021, 12:55 p.m. | Ensure cwnd doesn't shrink to zero with PRR
Under some circumstances, PRR may end up with a fully collapsed cwnd when finalizing the loss recovery. Reviewed By: #transport, kbowling Reported by: Liang Tian MFC after: 1 week Sponsored by: NetApp, Inc. Differential Revision: https://reviews.freebsd.org/D28780cgit |
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| 248a47a4 | debdrup | Feb. 19, 2021, 12:42 p.m. | ports(7): Update instructions for package target
Packages default to ending up in a different location compared to the documentation, so catch up to the implementation by referring to the location where packages can usually be found if no environment variables have been set. While here, also update the mention of the file extension to match the txz format that packages use. PR: 253179, 224370 Reported by: rwatson, jeromer at fastmail dotnetcgit |
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| 4c0bef07 | kevans | Feb. 19, 2021, 4:36 a.m. | kern: net: remove TCP_LINGERTIME
TCP_LINGERTIME can be traced back to BSD 4.4 Lite and perhaps beyond, in exactly the same form that it appears here modulo slightly different context. It used to be the case that there was a single pr_usrreq method with requests dispatched to it; these exact two lines appeared in tcp_usrreq's PRU_ATTACH handling. The only purpose of this that I can find is to cause surprising behavior on accepted connections. Newly-created sockets will never hit these paths as one cannot set SO_LINGER prior to socket(2). If SO_LINGER is set on a listening socket and inherited, one would expect the timeout to be inherited rather than changed arbitrarily like this -- noting that SO_LINGER is nonsense on a listening socket beyond inheritance, since they cannot be 'connected' by definition. Neither Illumos nor Linux reset the timer like this based on testing and inspection of Illumos, and testing of Linux. Reviewed by: rscheff, tuexen Differential Revision: https://reviews.freebsd.org/D28265cgit |
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| 812c9f48 | mav | Feb. 19, 2021, 3:29 a.m. | Save context switch per I/O for iSCSI and IOCTL frontends.
Introduce new CTL core KPI ctl_run(), preprocessing I/Os in the caller context instead of scheduling another thread just for that. This call may sleep, that is not acceptable for some frontends like the original CAM/FC one, but iSCSI already has separate sleepable per-connection RX threads, and another thread scheduling is mostly just a waste of time. IOCTL frontend actually waits for the I/O completion in the caller thread, so the use of another thread for this has even less sense. With this change I can measure ~5% IOPS improvement on 4KB iSCSI I/Os to ZFS. MFC after: 1 monthcgit |
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| 4621c4f2 | emaste | Feb. 19, 2021, 1:45 a.m. | tests/sys/audit: force PIE off
df093aa9463b linked against libprivateauditd.a, but that is currently (and incorrectly) built as position-dependent. For now just force PIE off for this test to fix the WITH_PIE build. Sponsored by: The FreeBSD Foundationcgit |
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| 80ab50e1 | gjb | Feb. 18, 2021, 11:53 p.m. | pass UNAME_r to fix building 14.x ports on 13.x
MFC after: 1 week
Sponsored by: Rubicon Communications, LLC ("Netgate")
cgit
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| bdde49b7 | rpokala | Feb. 18, 2021, 11:08 p.m. | nvdimm(4): Export NVDIMM health flags via sysctl
The ACPI NFIT specification defines a set of "NVDIMM State Flags". These flags are already reported by `acpidump -t', but this change makes them available on a per-device basis, in a format that is more easily parsed. To simplify this, introduce acpi_nfit_get_memory_maps_by_dimm(), which locates the (ACPI_NFIT_MEMORY_MAP)s associated with a given (nfit_handle_t). Reviewed by: mav, cem Tested by: mav, rpokala (version for stable/12) MFC after: 3 days Sponsored by: Panasascgit |
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| 2f48313a | rmacklem | Feb. 18, 2021, 10:38 p.m. | nfs-over-tls: add rc scripts for rpc.tlsclntd and rpc.tlsservd
Add rc.d scripts that control the recently committed rpc.tlsclntd(8) and rpc.tlsservd(8) daemons. Reviewed by: gbe MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D28432cgit |
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| b9cbc85d | rmacklem | Feb. 18, 2021, 10:15 p.m. | nfs-over-tls: add user space daemons rpc.tlsclntd and rpc.tlsservd
The kernel changes needed for nfs-over-tls have been committed to main. However, nfs-over-tls requires user space daemons to handle the TLS handshake and other non-application data TLS records. There is one daemon (rpc.tlsclntd) for the client side and one daemon (rpc.tlsservd) for the server side, although they share a fair amount of code found in rpc.tlscommon.c and rpc.tlscommon.h. They use a KTLS enabled OpenSSL to perform the actual work and, as such, are only built when MK_OPENSSL_KTLS is set. Communication with the kernel is done via upcall RPCs done on AF_LOCAL sockets and the custom system call rpctls_syscall. Reviewed by: gbe (man pages only), jhb (usr.sbin/Makefile only) Comments by: jhb MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D28430 Relnotes: yescgit |
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| c67a2909 | mav | Feb. 18, 2021, 9:31 p.m. | Move XPT_IMMEDIATE_NOTIFY handling out of periph lock.
It is a rare, but still better to not have lock dependencies. MFC after: 1 monthcgit |