Convert linux_recv(), linux_send() and linux_accept() system call arguments
to the register_t type too.
PR: 217161
MFC after: 3 days
xMFC with: r313284,r313285,r313684
Before this change XCOPY code could allocate memory in chunks up to 16-32MB
(VMware does XCOPY in 4MB chunks by default), that could be difficult for
VM subsystem to do due to KVA fragmentation, that sometimes created huge
allocation delays, blocking any I/O for respective LU for that time.
This change limits allocations down to TPC_MAX_IO_SIZE, which is 1MB now.
1MB is also not a cookie, but ZFS also can do that for large blocks, so
it should be less dramatic. As drawback this increases CPU overhead, but
it still look acceptable comparing to time consumed by ZFS read/write.
MFC after: 1 week
The xdev build needed the same fixes as libcompat and external toolchain
support needed for handling of --sysroot, -L, -B, etc.
MFC after: 2 weeks
Sponsored by: Dell EMC Isilon
and there is no reason to check cpu family or vendor.
Noted by: royger
Reviewed by: jhb
Sponsored by: The FreeBSD Foundation
MFC after: 2 weeks
Differential revision: https://reviews.freebsd.org/D9657
code. Also fix cast and remove unneeded XXX in comment.
Noted and reviewed by: jhb
Sponsored by: The FreeBSD Foundation
MFC after: 2 weeks
Differential revision: https://reviews.freebsd.org/D9657
The namespace in this file really needs cleaning up. In the meantime
let inline primitives be defined as long as LOCK_DEBUG is not enabled.
Reported by: kib
sys/cam/ctl/ctl.c:
In ctl_datamove(), inside CTL_IO_DELAY, add a lun variable and fill
it in before trying to dereference it.
MFC after: 3 days
Sponsored by: Spectra Logic
Users can use the new generic argument, -Q task_attr, to specify a task
attribute (simple, ordered, head of queue, aca) for the commands issued.
The the default is simple, which works with all SCSI devices that support
tagged queueing.
This will mostly be useful for debugging target behavior in certain
situations.
You can try it out by compiling CTL with CTL_IO_DELAY turned on (in
sys/cam/ctl/ctl_io.h) and then do something like this with one of the CTL
LUNs:
ctladm delay 0:0 -l done -t 10
camcontrol tur da34 -v
And at then before the 10 second timer is up, in another terminal:
camcontrol inquiry da34 -Q ordered -v
The Inquiry should complete just after the TUR completes. Ordinarily
it would complete first because of the delay injection, but because the
task attribute is set to ordered in this case, CTL holds it up until the
previous command has completed.
sbin/camcontrol/camcontrol.c:
Add the new generic argument, -Q, which allows the user to specify
a SCSI task attribute. The user can specify task attributes by
name or numerically.
Add a new task_attr arguments to SCSI sub-functions.
sbin/camcontrol/attrib.c,
sbin/camcontrol/camcontrol.h,
sbin/camcontrol/fwdownload.c,
sbin/camcontrol/modeedit.c,
sbin/camcontrol/persist.c,
sbin/camcontrol/timestamp.c,
sbin/camcontrol/zone.c:
Add the new task_attr argument to SCSI sub-functions.
sbin/camcontrol/camcontrol.8:
Document the new -Q option, and add an example.
Sponsored by: Spectra Logic
MFC after: 1 week
directories are pruned when the appropriate knobs are turned.
Specifically, turning off bsdconfig, locales, examples, i18n, man,
ntp, syscons. It may not seem like a lot, but it helps when trying
to keep an x86 image under 96MB for MFSRoot netbooting.
Reviewed by: ngie
Differential Revision: https://reviews.freebsd.org/D9558
This patch will add support for MacBookPro 11.2.
For the macros, the MBP11_* macros (for the existing MacBookPro11.3) did not
match so they have been renamed to MBP113_* and a new MBP112_* has been
added (modified copy of MBP11_*).
Some trailing whitespaces may have been removed automatically.
PR: kern/214836
Obtained from: Johannes Lundberg <johannes@brilliantservice.co.jp
7504 kmem_reap hangs spa_sync and administrative tasks
illumos/illumos-gate@405a5a0f5chttps://github.com/illumos/illumos-gate/commit/405a5a0f5c3ab36cb76559467d1a62ba648bd80https://www.illumos.org/issues/7504
We see long spa_sync(). We are waiting to hold dp_config_rwlock for writer. Some
other thread holds dp_config_rwlock for reader, then calls arc_get_data_buf(),
which finds that arc_is_overflowing()==B_TRUE. So it waits (while holding
dp_config_rwlock for reader) for arc_reclaim_thread to signal arc_reclaim_waiters_cv.
Before signaling, arc_reclaim_thread does arc_kmem_reap_now(), which takes ~seconds.
Author: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Approved by: Dan McDonald <danmcd@omniti.com>
This denotes changes which went in by accident in r313877.
On most production kernels both said parameters are zeroed and have nothing
reading them in either __mtx_lock_sleep or __mtx_unlock_sleep. Thus this change
stops passing them by internal consumers which this is the case.
Kernel modules use _flags variants which are not affected kbi-wise.
illumos/illumos-gate@405a5a0f5chttps://github.com/illumos/illumos-gate/commit/405a5a0f5c3ab36cb76559467d1a62ba648bd80https://www.illumos.org/issues/7504
We see long spa_sync(). We are waiting to hold dp_config_rwlock for writer. Some
other thread holds dp_config_rwlock for reader, then calls arc_get_data_buf(),
which finds that arc_is_overflowing()==B_TRUE. So it waits (while holding
dp_config_rwlock for reader) for arc_reclaim_thread to signal arc_reclaim_waiters_cv.
Before signaling, arc_reclaim_thread does arc_kmem_reap_now(), which takes ~seconds.
Author: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Approved by: Dan McDonald <danmcd@omniti.com>
Although fp[get][set]sticky() functions are obsolete, they are still
required for GNU fortran49 library.
MFC after: 2 months
Reviewed by: kib
Differential Revision: https://reviews.freebsd.org/D9634
MTRR handlers are set in {amd64/i686}_mem_drvinit, which is called at
SI_SUB_DRIVERS, and that's too late when EARLY_AP_STARTUP is set because APs
have already started at this point. {amd64/i686}_mrinit is also called too late
for the BSP, since that happens when the memory device is attached, also after
APs have already started.
Move the position to SI_SUB_CPU, and also initialize the state for the BSP, so
that the APs can correctly get to the same state as the BSP.
Sponsored by: Citrix Systems R&D
MFC after: 1 week
Reviewed by: jhb, kib
Differential Revision: https://reviews.freebsd.org/D9630
Due to bug[1] in libcompiler_rt, all symbols declared by
DEFINE_AEABI_FUNCTION_ALIAS() are not hidden. All these but two
are explicitly exported from libc and don't causes problems.
Remaining two, __aeabi_uidiv and __aeabi_idiv, infecting all
non-versioned shared libraries. And these symbols are consumed
by many (if not all) packages[2].
As workaround, export these from libc as compatible symbols,
in global namespace. With this, these are still visible for
rtld, but static linker doesn't use then.
[1]
DEFINE_AEABI_FUNCTION_ALIAS() macro uses '.set' directive for
declaration of aliased symbol. Unfortunately, '.set' doesn't
inherit visibility of base symbol, and macro don't explicitly
sets visibility for aliased one.
[2]
Given symbols are exported from non-versioned libraries only if
library itself uses them. So, if world is built for CPU with
HW divide, these function are not used and given symbols are
not exported. By this, contents of these libraries is not stable,
and all packages fails to run.
Note: Due to r313823 I'm forced to commit this too early, without
leave enough time for proper review.
MFC after: 1 month
Differential Revision: https://reviews.freebsd.org/D9632
sx primitives use inlines as opposed to macros. Change the tested condition
to LOCK_DEBUG which covers the case, but is slightly overzelaous.
Reported by: kib
It is only needed if the LOCK_PROFILING is enabled. It has to always check if
the lock is about to be released which requires an avoidable read if the option
is not specified..
Before this change MaxCmdSN was reported as CmdSN + delta, that made it
limit number of requests in transmission from the initiator to target,
that was pretty useless. After this change MaxCmdSN limits number of
requests queued to CTL, i.e. maximal queue depth for the initiator.
The default limit is 256 outstanding requests per initiator at a time.
This code uses existing cs_outstanding_ctl_pdus counter to track queue
depth. It's semantics doen't perfectly match, but close enough to not
add another counter. Just don't set the maxtags below 2.
MFC after: 2 weeks
