Adjust irdma_prep_for_unregister() definition to avoid clang 15 warning
With clang 15, the following -Werror warning is produced:
sys/dev/irdma/icrdma.c:621:26: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
irdma_prep_for_unregister()
^
void
This is because irdma_prep_for_unregister() is declared with a (void)
argument list, but defined with an empty argument list. Make the
definition match the declaration.
With clang 15, the following -Werror warning is produced:
sys/dev/iscsi//icl_soft.c:886:6: error: variable 'coalesced' set but not used [-Werror,-Wunused-but-set-variable]
int coalesced, error;
^
The 'coalesced' variable is eventually used only in an #if 0'd block,
obviously meant for debugging. Ensure that 'coalesced' is only declared
and used when DEBUG_COALESCED is defined, so the debugging can be easily
turned on later, if desired.
Warner Losh [Sun, 24 Jul 2022 20:58:44 +0000 (14:58 -0600)]
nl: Correct history
nl actually first was available with System III, not System Vr2. Updated
based on discussion on TUHS mailing list (archive recently moved so this
message isn't get available in the archive).
Alan Somers [Tue, 21 Jun 2022 18:51:14 +0000 (12:51 -0600)]
prometheus_sysctl_exporter: ignore ENOENT for mibs specified on the CLI
They might belong to kernel modules not currently loaded, or to other
kernel versions. Ignoring them allows the configuration to be shared
between multiple hosts.
This commit was made to aid debugging before consoles are initialised so
that they can more easily be identified from a debugger. However,
various consoles (cfecons, ofwcons, mambocons and rcons) all check
whether cn_name[0] is non-zero to see they are attached or not, and so
this breaks that (perhaps misguided) approach. On RISC-V this results in
rcons (the SBI firmware console driver) racing with the real UART driver
and so input gets probabilistically lost on the real UART (around 2/3 of
the time for me on QEMU).
Moreover, the name given to CONSOLE_DRIVER isn't necessarily the same as
what eventually gets written to cn_name, such as cfecons vs cfe, rcons
vs riscv, ttyj0 vs aju, ttyv0 vs sc, ttyuN vs uart_phyp/opal and all
manner of things vs ucom, so in some cases this is in fact misleading as
the name will change after attaching.
if_vlan: avoid hash table thrashing when adding and removing entries
vlan_remhash() uses incorrect value for b.
When using the default value for VLAN_DEF_HWIDTH (4), the VLAN hash-list table
expands from 16 chains to 32 chains as the 129th entry is added. trunk->hwidth
becomes 5. Say a few more entries are added and there are now 135 entries.
trunk-hwidth will still be 5. If an entry is removed, vlan_remhash() will
calculate a value of 32 for b. refcnt will be decremented to 134. The if
comparison at line 473 will return true and vlan_growhash() will be called. The
VLAN hash-list table will be compressed from 32 chains wide to 16 chains wide.
hwidth will become 4. This is an error, and it can be seen when a new VLAN is
added. The table will again be expanded. If an entry is then removed, again
the table is contracted.
If the number of VLANS stays in the range of 128-512, each time an insert
follows a remove, the table will expand. Each time a remove follows an
insert, the table will be contracted.
The fix is simple. The line 473 should test that the number of entries has
decreased such that the table should be contracted using what would be the new
value of hwidth. line 467 should be:
John Baldwin [Fri, 22 Jul 2022 15:56:18 +0000 (09:56 -0600)]
stand geli: Restore include path to LDRSRC.
Various GELI sources need bootstrap.h and disk.h. In theory they
shouldn't need anything outside of libsa, but disk.h and bootstrap.h are
currently required.
John Baldwin [Fri, 22 Jul 2022 15:53:57 +0000 (09:53 -0600)]
stand libsa: Restore include path to LDRSRC for disk.h for filesystems.
In theory they shouldn't need anything outside of libsa, but disk.h and
bootstrap.h are currently required. Future work wil address this issue.
This fixes the build with MK_LOADER_ZFS=no. ZFS's Makefile.inc adds
these flags globally to CFLAGS when it should not. This masked the
problem because the tools/boot/universe.sh didn't build MK_LOADER_ZFS=no
as part of its regressions. Future work will also fix this.
Now that we version symbols we should bump the library major version.
While here use version FBSD_1.7 to match the current HEAD FreeBSD
namespace and remove extraneous 'All rights reserved' and incorrect
copyright statement.
When WITHOUT_SENDMAIL is enabled and WITHOUT_MAILWRAPPER is disabled
we install /bin/rmail as a link to the /usr/sbin/mailwrapper.
Ensure make delete-old does not unlink /bin/rmail in that case.
Adjust vt_mouse_paste() definition to avoid clang 15 warning
With clang 15, the following -Werror warning is produced:
sys/dev/vt/vt_core.c:2129:15: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
vt_mouse_paste()
^
void
This is because vt_mouse_paste() is declared with a (void) argument
list, but defined with an empty argument list. Make the definition match
the declaration.
The manual page of gmirror describes how gmirror providers can be used
for kernel dumps. Unfortunately, the instruction references
/etc/rc.early, which is no longer a part of rc(8).
Remove references to rc.early and suggest creating an rc(8) service
script instead.
Future work: In the Problem Report on Bugzilla, Lawrence Chen suggested
adding example rc(8) scripts to the gmirror. However, those examples
need to be tested before they become official reference examples in the
base. Also, those scripts should probably land directly to /etc/rc.d,
/usr/share/examples/rc.d, or /usr/share/examples/gmirror instead of the
gmirror manual page.
PR: 178818
Reported by: Lawrence Chen <beastie@tardisi.com>
Fixes: dd2b024a336f Removal of early.sh
MFC after: 1 week
Adjust tdsaContext_t::NvmdResponseSet declaration to avoid clang 15 warning
With clang 15, the following -Werror warnings are produced:
In file included from sys/dev/pms/freebsd/driver/ini/src/agtiapi.c:70:
sys/dev/pms/RefTisa/tisa/sassata/common/tdsatypes.h:346:13: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
volatile NvmdResponseSet;
~~~~~~~~ ^
int
The NvmdResponseSet member is effectively only used as a boolean in the
pms(4) driver, so it could be a single bit. But to avoid changing the
semantics at all in this unmaintained driver, simply declare it as a
volatile int.
Adjust ipfw_iface_{init,destroy}() definitions to avoid clang 15 warning
With clang 15, the following -Werror warnings are produced:
sys/netpfil/ipfw/ip_fw_iface.c:206:16: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
ipfw_iface_init()
^
void
sys/netpfil/ipfw/ip_fw_iface.c:219:19: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
ipfw_iface_destroy()
^
void
This is because ipfw_iface_init() and ipfw_iface_destroy() are declared
with (void) argument lists, but defined with empty argument lists. Make
the definitions match the declarations.
Adjust iface_khandler_deregister() definition to avoid clang 15 warning
With clang 15, the following -Werror warning is produced:
sys/netpfil/ipfw/ip_fw_iface.c:159:26: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
iface_khandler_deregister()
^
void
This is because iface_khandler_deregister() is declared with a (void)
argument list, but defined with an empty argument list. Make the
definition match the declaration.
Adjust ipfw_{init,destroy}_sopt_handler() definitions to avoid clang 15 warning
With clang 15, the following -Werror warning are produced:
sys/netpfil/ipfw/ip_fw_sockopt.c:3477:23: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
ipfw_init_sopt_handler()
^
void
sys/netpfil/ipfw/ip_fw_sockopt.c:3485:26: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
ipfw_destroy_sopt_handler()
^
void
This is because ipfw_init_sopt_handler() and ipfw_destroy_sopt_handler()
are declared with (void) argument lists, but defined with empty argument
lists. Make the definitions match the declarations.
Adjust iface_khandler_register() definition to avoid clang 15 warning
With clang 15, the following -Werror warning is produced:
sys/netpfil/ipfw/ip_fw_iface.c:128:24: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
iface_khandler_register()
^
void
This is because iface_khandler_register() is declared with a (void)
argument list, but defined with an empty argument list. Make the
definition match the declaration.
Adjust ipfw_{init,destroy}_*() definitions to avoid clang 15 warning
With clang 15, the following -Werror warnings are produced:
sys/netpfil/ipfw/ip_fw_sockopt.c:187:19: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
ipfw_init_counters()
^
void
sys/netpfil/ipfw/ip_fw_sockopt.c:196:22: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
ipfw_destroy_counters()
^
void
sys/netpfil/ipfw/ip_fw_sockopt.c:3241:23: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
ipfw_init_obj_rewriter()
^
void
sys/netpfil/ipfw/ip_fw_sockopt.c:3249:26: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
ipfw_destroy_obj_rewriter()
^
void
This is because ipfw_init_counters(), ipfw_destroy_counters(),
ipfw_init_obj_rewriter(), and ipfw_destroy_obj_rewriter() are declared
with (void) argument lists, but defined with empty argument lists. Make
the definitions match the declarations.
With clang 15, the following -Werror warning is produced:
sys/net/if_lagg.c:2413:6: error: variable 'active_ports' set but not used [-Werror,-Wunused-but-set-variable]
int active_ports = 0;
^
The 'active_ports' variable appears to have been a debugging aid that
has never been used for anything (ref https://reviews.freebsd.org/D549),
so remove it.
With clang 15, the following -Werror warnings are produced:
sys/dev/hwpmc/hwpmc_mod.c:4805:6: error: variable 'nfree' set but not used [-Werror,-Wunused-but-set-variable]
int nfree;
^
sys/dev/hwpmc/hwpmc_mod.c:4804:6: error: variable 'ncallchains' set but not used [-Werror,-Wunused-but-set-variable]
int ncallchains;
^
The 'nfree' and 'ncallchains' variables were used in KASSERTs, but these
were removed due to refactoring in d9f1b8dbf29d. Remove the variables
since they no longer serve any purpose.
Adjust pmc_thread_descriptor_pool_drain() definition to avoid clang 15 warning
With clang 15, the following -Werror warning is produced:
sys/dev/hwpmc/hwpmc_mod.c:2462:33: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
pmc_thread_descriptor_pool_drain()
^
void
This is because pmc_thread_descriptor_pool_drain() is declared with a
(void) argument list, but defined with an empty argument list. Make the
definition match the declaration.
Adjust pcm_md_initialize() definition to avoid clang 15 warning
With clang 15, the following -Werror warning is produced:
sys/dev/hwpmc/hwpmc_x86.c:245:18: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
pcm_md_initialize()
^
void
This is because pcm_md_initialize() is declared with a (void) argument
list, but defined with an empty argument list. Make the definition match
the declaration.
Adjust pcmlog_{initialize,shutdown}() definitions to avoid clang 15 warning
With clang 15, the following -Werror warnings are produced:
sys/dev/hwpmc/hwpmc_logging.c:1228:18: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
pmclog_initialize()
^
void
sys/dev/hwpmc/hwpmc_logging.c:1277:16: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
pmclog_shutdown()
^
void
This is because pcmlog_{initialize,shutdown}() are declared with (void)
argument lists, but defined with empty argument lists. Make the
definitions match the declarations.
With clang 15, the following -Werror warning is produced:
sys/dev/firewire/fwohci.c:2762:23: error: variable 'pcnt' set but not used [-Werror,-Wunused-but-set-variable]
int len, plen, hlen, pcnt, offset;
^
The 'pcnt' variable is eventually used only in an #if 0'd block,
obviously meant for debugging. Ensure that 'pcnt' is only declared and
used when COUNT_PACKETS is defined, so the debugging can be easily
turned on later, if desired.
Adjust fbt_unload() definition to avoid clang 15 warning
With clang 15, the following -Werror warning is produced:
sys/cddl/dev/fbt/fbt.c:1273:11: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
fbt_unload()
^
void
This is because fbt_unload() is declared with a (void) argument list,
but defined with an empty argument list. Make the definition match the
declaration.
The setvlantag() and setvlanproto() functions are used in two scenarios:
when we create a new vlan interface and when we update an existing
interface.
These are distinguished by the getvlan() at the end of the functions. If
this fails we assume that is because the interface doesn't exist (so
we're creating a new one). We only update the 'params' struct, and
expect the settings to be applied when we vlan_create().
However, if we're updating an existing interface we do not retrieve the
current settings, and can end up invalidating settings.
Fix this by using the settings we retrieved while checking which
scenario we're in.
Note that we do not address this for setvlandev(), because if_vlan does
not allow the vlan parent device to be changed without disassociating it
first (with ifconfig vlanX -vlandev).
It's currently not possible to change the vlan ID or vlan protocol (i.e.
802.1q vs. 802.1ad) without de-configuring the interface (i.e. ifconfig
vlanX -vlandev).
Add a specific flow for this, allowing both the protocol and id (but not
parent interface) to be changed without going through the '-vlandev'
step.
Reid Linnemann [Tue, 17 May 2022 19:49:41 +0000 (13:49 -0600)]
namespace nv names, version libnv and libnvpair library symbols
libnv and libnvpair have aliased symbols, and as a result a single process which
dlopens a shared object that is dynamically linked to libnv and another to
libnvpair will wind up with a single set of resolved symbols for those in
conflict. A source file also cannot include both libnv and libnvpair headers
because of aliased identifiers. To resolve the situation, libnv types and
functions are namespaced via nv_namespace.h, and libnv symbols are
versioned. The msgio functions are not namespaced or exported as they are not
part of the external API.
Mike Karels [Thu, 21 Jul 2022 13:10:15 +0000 (08:10 -0500)]
IPv4: correct limit on loopback_prefix
Commit efe58855f3ea allowed the net.inet.ip.loopback_prefix value
to be 32. However, with a 32-bit mask, 127.0.0.1 is not included
in the reserved loopback range, which should not be allowed.
Change the max prefix length to 31.
Alan Cox [Thu, 21 Jul 2022 06:53:54 +0000 (01:53 -0500)]
iommu_gas: Avoid double unmapping on error
In the extremely unlikely case that the iommu_gas_map_region() call in
bus_dma_iommu_load_ident() failed, we would attempt to unmap the failed
entry twice, first in iommu_gas_map_region(), and a second time in the
caller. Once is enough, and twice is problematic because it leads to a
second RB_REMOVE call on the same tree node. Like it or not, RB_TREE
does not handle that possibility.
Bug fix to UFS/FFS superblock integrity checks when reading a superblock.
A better fix to commit 9e1f44d044a. Rather than coping with the case
where a backup superblock is used, catch the case when the superblock
is being read in and ensure that the standard one is used rather than
the backup one.
Delete UFS2 backup superblock recovery info when building a UFS1 filesystem.
Only the UFS2 filesystem has support for storing information needed
to find alternate superblocks. If that information is inadvertently
left in place when building a UFS1 filesystem, fsck_ffs may stumble
across it and attempt to use it to recover the UFS1 filesystem
which can only end poorly.
Fix unused variable warning in acpica's nsaccess.c
With clang 15, the following -Werror warning is produced:
sys/contrib/dev/acpica/components/namespace/nsaccess.c:452:29: error: variable 'NumCarats' set but not used [-Werror,-Wunused-but-set-variable]
UINT32 NumCarats;
^
Here, 'NumCarats' is a variable that is only used when debugging. Since
acpica is contributed code, suppress the warning with a compile flag.
Adjust prototype_unload() definition to avoid clang 15 warning
With clang 15, the following -Werror warnings is produced:
sys/cddl/dev/prototype.c:99:17: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
prototype_unload()
^
void
This is because prototype_unload() is declared with a (void) argument
list, but defined with an empty argument list. Make the definition match
the declaration.
Adjust nvd_{load,unload}() definitions to avoid clang 15 warnings
With clang 15, the following -Werror warnings are produced:
sys/dev/nvd/nvd.c:150:9: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
nvd_load()
^
void
sys/dev/nvd/nvd.c:166:11: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
nvd_unload()
^
void
This is because nvd_load() and nvd_unload() are declared with a (void)
argument list, but defined with an empty argument list. Make the
definitions match the declarations.
With clang 15, the following -Werror warnings are produced:
sys/dev/mfi/mfi.c:3698:6: error: variable 'timedout' set but not used [-Werror,-Wunused-but-set-variable]
int timedout;
^
sys/dev/mfi/mfi.c:3742:6: error: variable 'timedout' set but not used [-Werror,-Wunused-but-set-variable]
int timedout = 0;
^
Here, 'timedout' are variables that are only used when debugging,
requiring #if 0 statements to be modified. Mark the variables as
potentially unused, to suppress the warnings.
Mike Karels [Mon, 18 Jul 2022 16:39:03 +0000 (11:39 -0500)]
tcp.4: Sort sysctl variables
In preparation for updates including missing variables, sort the
sysctl variables in the MIB variables section alphabetically.
Add a new "hostcache" entry for the hostcache node, containing the
intro text that was previously in hostcache.enable. Also cleanups
per review comments.
Mike Karels [Mon, 18 Jul 2022 16:33:31 +0000 (11:33 -0500)]
icmp.4 inet.4 udp.4: sort sysctl variables
Sort the sysctl(3)/sysctl(8) variables in the MIB Variables section
alphabetically. This is in preparation for adding missing variables
(at least in inet.4 and icmp.4). A few other touchups suggested in
review.
cuse(3): Allow shared memory allocations up to, but excluding 2 GBytes.
Currently the cuse(3) mmap(2) offset is split into 128 banks of 16 Mbytes.
Allow cuse(3) to make allocations that span multiple banks at the expense
of any fragmentation issues that may arise. Typically mmap(2) buffers are
well below 16 Mbytes. This allows 8K video resolution to work using webcamd.
Colin Percival [Wed, 13 Jul 2022 00:48:06 +0000 (17:48 -0700)]
random: Ingest extra fast entropy when !seeded
We periodically ingest entropy from pollable entropy sources, but only
8 bytes at a time and only occasionally enough to feed all of Fortuna's
pools once per second. This can result in Fortuna remaining unseeded
for a nontrivial amount of time when there is no entropy passed in from
the boot loader, even if RDRAND is available to quickly provide a large
amount of entropy.
Detect in random_sources_feed if we are not yet seeded, and increase the
amount of immediate entropy harvesting we perform, in order to "fill"
Fortuna's entropy pools and avoid having
random: randomdev_wait_until_seeded unblock wait
stall the boot process when entropy is available.
This speeds up the FreeBSD boot in the Firecracker VM by 2.3 seconds.
atkbd(4): Fix "hancha" and "han/yong" korean keys handling.
The Korean keyboard has two keys, the Korean/Chinese and the
Korean/English toggles, that generate scancodes 0xF1 and 0xF2
(respectively) when pressed, and nothing when released. They do not
repeat.
As Hanyong/Hancha keys are generally greater than 0x80, which is
generally considered a release key, add extra preceding press key event
to generate press/release pair.
Swap Hanyong/Hancha key codes to match reality.
Adjust dtrace_unload() definition to avoid clang 15 warning
With clang 15, the following -Werror warnings is produced:
In file included from sys/cddl/contrib/opensolaris/uts/common/dtrace/dtrace.c:18440:
sys/cddl/dev/dtrace/dtrace_unload.c:26:14: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
dtrace_unload()
^
void
This is because dtrace_unload() is declared with a (void) argument list,
but defined with an empty argument list. Make the definition match the
declaration.
Adjust dtrace_getf_barrier() definition to avoid clang 15 warning
With clang 15, the following -Werror warnings is produced:
sys/cddl/contrib/opensolaris/uts/common/dtrace/dtrace.c:17019:20: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
dtrace_getf_barrier()
^
void
This is because dtrace_getf_barrier() is declared with a (void) argument
list, but defined with an empty argument list. Make the definition match
the declaration.
Adjust profile_unload() definition to avoid clang 15 warning
With clang 15, the following -Werror warnings is produced:
sys/cddl/dev/profile/profile.c:640:15: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
profile_unload()
^
void
This is because profile_unload() is declared with a (void) argument
list, but defined with an empty argument list. Make the definition match
the declaration.
Adjust dtnfsclient_unload() definition to avoid clang 15 warning
With clang 15, the following -Werror warnings is produced:
sys/fs/nfsclient/nfs_clkdtrace.c:544:19: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
dtnfsclient_unload()
^
void
This is because dtnfsclient_unload() is declared with a (void) argument
list, but defined with an empty argument list. Make the definition match
the declaration.
Adjust fbd_list() definition to avoid clang 15 warning
With clang 15, the following -Werror warnings is produced:
sys/dev/fb/fbd.c:205:9: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
fbd_list()
^
void
This is because fbd_list() is declared with a (void) argument list, but
defined with an empty argument list. Make the definition match the
declaration.
Adjust db_flush_line() definition to avoid clang 15 warning
With clang 15, the following -Werror warnings is produced:
sys/ddb/db_lex.c:94:14: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
db_flush_line()
^
void
This is because db_flush_line() is declared with a (void) argument
list, but defined with an empty argument list. Make the definition match
the declaration.
Adjust dtmalloc_unload() definition to avoid clang 15 warning
With clang 15, the following -Werror warnings is produced:
sys/cddl/dev/dtmalloc/dtmalloc.c:177:16: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
dtmalloc_unload()
^
void
This is because dtmalloc_unload() is declared with a (void) argument
list, but defined with an empty argument list. Make the definition match
the declaration.
Adjust t4_tracer_mod{load,unload}() definitions to avoid clang 15 warnings
With clang 15, the following -Werror warnings are produced:
sys/dev/cxgbe/t4_tracer.c:234:18: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
t4_tracer_modload()
^
void
sys/dev/cxgbe/t4_tracer.c:243:20: error: a function declaration without a prototype is deprecated in all versions of C [-Werror,-Wstrict-prototypes]
t4_tracer_modunload()
^
void
This is because t4_tracer_modload() and t4_tracer_modunload() are
declared with a (void) argument list, but defined with an empty argument
list. Make the definitions match the declarations.
Simon J. Gerraty [Tue, 19 Jul 2022 15:59:53 +0000 (08:59 -0700)]
Add -S option to veriexec
During software installation, use veriexec -S to strictly
enforce certificate validity checks (notBefore, notAfter).
Otherwise ignore certificate validity period.
It is generally unacceptible for the Internet to stop working
just because someone did not upgrade their infrastructure for a decade.
Andrew Turner [Wed, 23 Mar 2022 17:39:58 +0000 (17:39 +0000)]
Add experimental 16k page support on arm64
Add initial 16k page support on arm64. It is considered experimental,
with no guarantee of compatibility with a userspace or kernel modules
built with the current a 4k page size as code will likely try to pass
in a too small size when working with APIs that take a multiple of a
page, e.g. mmap.
As this is experimental, and because userspace and the kernel need to
have the PAGE_SIZE macro kept in sync there is no kernel option to
enable this. To test a new image should be built with the
PAGE_{SIZE,SHIFT,MASK} macros changed to the 16k versions.
There are currently known issues with loading modules from an old
loader as it can misalign them to load on a non-16k boundary.
Testing has shown good results in kernel workloads that allocate and
free large amounts of memory as only a quarter of the number of calls
into the VM subsystem are needed in the best case.
Reviewed by: markj
Tested by: gallatin
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D34793
Kristof Provost [Thu, 23 Jun 2022 20:35:29 +0000 (22:35 +0200)]
ipsec: replace SECASVAR mtx by rmlock
This mutex is a significant point of contention in the ipsec code, and
can be relatively trivially replaced by a read-mostly lock.
It does require a separate lock for the replay protection, which we do
here by adding a separate mutex.
This improves throughput (without replay protection) by 10-15%.
Alan Cox [Mon, 18 Jul 2022 00:56:39 +0000 (19:56 -0500)]
x86/iommu: Shrink the critical section in dmar_qi_task()
It is safe to test and clear the Invalidation Wait Descriptor
Complete flag before acquiring the DMAR lock in dmar_qi_task(),
rather than waiting until the lock is held.
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