For pmap_invalidate_all_pcid(), only reset pm_gen for non-kernel
pmaps, as it was done before the conversion to ifuncs. The reset is
useless but innocent for kernel_pmap. Coverity reported that cpuid is
used uninitialized in this case.
Reported by: cem
Reviewed by: alc, cem, markj
CID: 1395807
Sponsored by: The FreeBSD Foundation
Approved by: re (gjb)
Differential revision: https://reviews.freebsd.org/D17314
Currently vfs calls the root method on each absolute lookup and when
crossing mount points.
zfs_root ends up looking up the inode internally as if it was not
instantianted which results in significant lock contention on systems
like EPYC.
Store the vnode in the mount point and protect the access with rmlocks.
This is a temporary hack for 12.0.
Sample result:
before:
make -s -j 128 buildkernel 2778.09s user 3319.45s system 8370% cpu 1:12.85 total
after:
make -s -j 128 buildkernel 3199.57s user 1772.78s system 8232% cpu 1:00.40 total
Tested by: pho (zfs mount/unmount tests)
Reviewed by: kib, mav, sef (different parts)
Approved by: re (gjb)
Differential Revision: https://reviews.freebsd.org/D17233
This is a direct commit to a generated file. Simon plans to fix this
upstream before the next import.
PR: 231557
Approved by: re (gjb)
Obtained from: CheriBSD
Sponsored by: DARPA, AFRL
- Switch to using 32b port/link capabilities in the driver. The 32b
format is used internally by firmwares > 1.16.45.0 and the driver will
now interact with the firmware in its native format, whether it's 16b
or 32b. Note that the 16b format doesn't have room for 50G, 200G, or
400G speeds.
- Add a bit in the pause_settings knobs to allow negotiated PAUSE
settings to override manual settings.
- Ensure that manual link settings persist across an administrative
down/up as well as transceiver unplug/replug.
- Remove unused is_*G_port() functions.
Approved by: re@ (gjb@)
MFC after: 1 month
Sponsored by: Chelsio Communications
The PHB4 host bridge used by the POWER9 uses a 64kB range in 32-bit
space at the address 0xffff0000-0xffffffff. Reserve this range so that
DMA memory cannot be allocated within this range. This fixes seemingly
random crashes on a POWER9 system. Ideally this range will have been
reserved by the firmware, but as of now this is not the case.
Submitted by: git_bdragon.rtk0.net
Reviewed by: nwhitehorn
Approved by: re(kib)
Differential Revision: https://reviews.freebsd.org/D17183
Use these predicates instead of inline references to vm_min_domains.
Also add a global all_domains set, akin to all_cpus.
Reviewed by: alc, jeff, kib
Approved by: re (gjb)
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D17278
When I updated counter definition handling for x86 I broke
'pmccontrol -L' listing counter names. This just changes
pmccontrol to call the library function on x86.
PR: 230984
Approved by: re (kib@)
In 11.x and earlier these were accessible as direct members of 'struct
kinfo_file'. Existing code already knows about the new location of
these members as well, so wrapper macros did not work for these
fields. Instead, define an anonymous struct containing the fields
from 'struct kinfo_file' in FreeBSD 11 that were not part of the
'kf_un' union. This anonymous struct is then placed in an anonymous
union along with the new 'kf_un' union. This preserves the API of
both structure layouts without requiring any wrapper macros.
PR: 231525
Reviewed by: kib
Approved by: re (gjb)
Differential Revision: https://reviews.freebsd.org/D17262
This invokes "fence" on the hart performing the write followed by an IPI
to execute "fence.i" on all harts.
This is required to support userland debuggers setting breakpoints in
user processes.
Reviewed by: br (earlier version), markj
Approved by: re (gjb)
Sponsored by: DARPA
Differential Revision: https://reviews.freebsd.org/D17139
redundant, because uma_zone_reserve_kva() is performed on both zones and it
sets this same flag on the zone. (Moreover, the implementation of the swap
pager does not itself require these zones to be UMA_ZONE_NOFREE.)
Reviewed by: kib, markj
Approved by: re (gjb)
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D17296
Targets like 'cleandir' must not depend on toolchain capabilities.
Reported by: delphij, Shawn Webb
Approved by: re (kib)
Sponsored by: The FreeBSD Foundation
Currently stats are collected in a MAXCPU-sized array which is not
aligned and suffers enormous false-sharing. Fix the problem by
utilizing per-cpu allocation.
The counter(9) API is not used here as it is too incomplete and does
not provide a win over per-cpu zone sized for malloc stats struct. In
particular stats are being reported for each cpu separately by just
copying what is supposed to be an array element for given cpu.
This eliminates significant false-sharing during malloc-heavy tests
e.g. on Skylake. See the review for details.
Reviewed by: markj
Approved by: re (kib)
Differential Revision: https://reviews.freebsd.org/D17289
syncache_respond(). There is no functional change. The
parameter became unused in r313330, but wasn't removed.
Approved by: re (kib@)
MFC after: 1 month
Sponsored by: Netflix, Inc.
Split calculation of mask for shootdown IPI and local
invalidation. Reorder IPI before local.
Suggested by: alc
Reviewed by: alc, markj
Tested by: pho
Sponsored by: The FreeBSD Foundation
Approved by: re (rgrimes)
Differential revision: https://reviews.freebsd.org/D17277
when `ifconfig ipsec create reqid N` command invoked without interface
unit number. The "name" global variable is updated after interface
cloning in the ifclonecreate() and contains actual interface name.
Reported by: lev
Approved by: re (kib)
MFC after: 1 week
Don't add it. This should fix when we do regepx matches against
variables we've set and fix wifi bring up.
PR: 231441
Approved by: re@ (kib)
Differential Revision: https://reviews.freebsd.org/D17267
This leverages CONFS to handle the install.
Approved by: re (blanket, pkgbase), bapt (mentor)
Differential Revision: https://reviews.freebsd.org/D17240
1. Be clear about which password is being requested
2. Remove extraneous whitespace between the prompt and the cursor
3. Move the twiddle to where the prompt is, instead of two characters to the right
4. Fix erasing the 'incorrect password' message when retrying; previously it was erased partially
5. Remove the unneeded exclamation mark
Reviewed by: kevans
Approved by: re (gjb)
MFC after: 2 weeks
Sponsored by: DARPA, AFRL
Differential Revision: https://reviews.freebsd.org/D17236
NFS is the only in-tree filesystem using the feature, but all ops test
for it.
Currently the resulting sigdefer calls have to be jumped over in the
common case.
This is a bandaid, longer term fix will move this feature away.
Approved by: re (kib)
illumos/illumos-gate@82f63c3c2b
Reviewed by: Toomas Soome <tsoome@me.com>
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Approved by: Matthew Ahrens <mahrens@delphix.com>
Author: Jerry Jelinek <jerry.jelinek@joyent.com>
Approved by: re (delphij)
We expect to introduce optimized libc routines in the near future,
which requires use of a linker that supports ifuncs.
Approved by: re (gjb, kib)
Sponsored by: The FreeBSD Foundation
We're studing the possibility of deprecating sbrk(). To make it easier
we're removing unnecessicary uses in the base system. None of these
tools require sbrk(), but they agressively prefer it for no good reason.
Reviewed by: andrew
Approved by: re (kib)
Sponsored by: DARPA, AFRL
Differential Revision: https://reviews.freebsd.org/D16141
- _fault handlers for both primitives are identical, provide just one
- change the copying scheme to match memcpy (in particular jump
avoidance for the most common case of multiply of 8)
- stop re-reading pcb address on exit, just store it locally (in r9)
Reviewed by: kib
Approved by: re (gjb)
Differential Revision: https://reviews.freebsd.org/D17265
In non-reproducible mode we have the kernel ident as a side effect of
including the build directory. Explicitly add it to the ident string in
reproducible mode.
Reported by: mjg
Approved by: re (gjb)
Sponsored by: The FreeBSD Foundation
If the size is 15 bytes or less avoid spinning up rep just to copy the 8
bytes. In my tests on EPYC and old Intel microarchs without ERMS (like
Westmere) it provided a nice win over the current version (e.g. for EPYC
memset with 15 bytes of size goes from 59712651 ops/s to 70600095) all
while almost not pessimizing the other cases.
Data collected during package building shows that < 16 sizes are pretty
common.
Verified with the glibc test suite.
Approved by: re (kib)
Fix a fat-fingered typo with a "funny" side-effect: when doing copyin on a
cpu without ERMS and with size being a multiply of 8 a page fault would be
triggered resulting in EFAULT.
Pointy hat: mjg
Approved by: re (implicit)
It seems igb supports TSO6, but the capability got lost in
the iflib update. Restore this capability.
PR: 231476
Reported by: lev
Reviewed by: erj
Approved by: re (gjb)
Sponsored by: Limelight Networks
Differential Revision: https://reviews.freebsd.org/D17242
It is currently unused and reserved for future use to keep KBI/KPI.
Also add several spare pointers to be able extend structure if it
will be needed.
Approved by: re (gjb)
Various capabilities were not being handled correctly in the
SIOCSIFCAP handler. Specifically:
IFCAP_RXCSUM and IFCAP_RXCSUM_IPV6 could be set even if not supported
It was impossible to disable IFCAP_RXCSUM and/or IFCAP_RXCSUM_IPV6 via
ifconfig since it does ioctl() per command-line flag rather than combine
them into a single call.
IFCAP_VLAN_HWCSUM could not be modified via the ioctl()
Setting any combination of the three IFCAP_WOL flags would set only
IFCAP_WOL_MCAST | IFCAP_WOL_MAGIC. For example, setting only
IFCAP_WOL_UCAST would result in both IFCAP_WOL_MCAST and IFCAP_WOL_MAGIC
being enabled, but IFCAP_WOL_UCAST would not be enabled.
Because if_vlancap() was called before if_togglecapenable(), vlan flags
were sometimes not applied correctly.
Interfaces were being unnecessarily stopped and restarted for WoL
PR: 231151
Submitted by: Kaho Toshikazu <kaho@elam.kais.kyoto-u.ac.jp>
Reported by: Shirkdog <mshirk@daemon-security.com>
Reviewed by: galladin
Approved by: re (gjb)
Sponsored by: Limelight Networks
Differential Revision: https://reviews.freebsd.org/D17158
The old code appears to assume that vmem_alloc() would import
size-aligned KVA chunks from the parent kernel_arena, but vmem doesn't
provide this guarantee.
Also remove the unused global RWX arena and add comments explaining why
we have per-domain arenas.
Reported by: alc
Reviewed by: alc, kib (previous version)
Approved by: re (gjb)
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D17249
The new manpage documents the tunables and statistic sysctls exposed by
iflib.
Reviewed by: bcr
Approved by: re (gjb)
Sponsored by: Limelight Networks
Differential Revision: https://reviews.freebsd.org/D16920
