When a netmap process terminates without the full set of buffers it
was granted via rings and ni_bufs_list_head represented in those rings
and lists (e.g., via SIGKILL), those buffers are no longer available
for subsequent users for the lifetime of the system. To mitigate this
resource leak, reset the allocator state when the last ref to that
allocator is released.
Note that this only recovers leaked resources for an allocator when
there are no longer any users of that allocator, so there remain
circumstances in which leaked allocator resources may not ever be
recovered - consider a set of multiple netmap processes that are all
using the same allocator (say, the global allocator) where members of
that set may be killed and restarted over time but at any given point
there is one member of that set running.
Add mutex support to the pps_ioctl() API in the kernel.
Add PPS support to USB serial drivers.
Use correct mode variable for PPS support.
Switch polarity of USB serial PPS events.
The ftdi "get latency" and "get bitmode" device commands are read
operations, not writes.
Implement a mechanism for making changes in the kernel<->driver PPS
interface without breaking ABI or API compatibility with existing drivers.
Bump version number to indicate the new PPS ABI version changes in the
pps_state structure.
Move the declaration for mpentry() into a header file
Fix broken SMP startup on Armada XP after r265694
Avoid using hard-coded SoC's register address in mptramp code for Armada XP
Use pmap_mapdev()/unmapdev() to temporarily map on-chip sram while copying
the startup trampoline code.
Attach the prcm clock driver early, so it can set the mpcore timer frequency.
Change the name of the dmtimer pps device from /dev/ppsN to /dev/dmtppsN.
Clean data cache before instruction cache in armv7_icache_sync_range().
Add minimum cache line sizes to struct cpuinfo, use them in the new cache
maintenance routines. Also add a routine to invalidate the branch cache.
Reduce the diff in the Ti aintc between head and arm_intrng
Fix spurious interrupts on arm am335x (beaglebone), by doing the EOI in
both the post-filter and post-thread callbacks.
Define new linker set, UART_FDT_CLASS_AND_DEVICE, for registering full
(class and device) FDT UART. Define second one, UART_FDT_CLASS, for UART
class only.
Move the uart_class definitions and fdt compat data into the individual
uart implementations, and export them using the new linker-set mechanism.
Define a "__weak" macro for declaring symbols "weak".
Add support for empty data sets. Data set begin and end pointers
should resolve to "NULL" when not present. This is done by declaring
the data set begin and end symbols as "weak".
Add uart driver for Qualcomm MSM 7000/8000 series chips.
It is working on IFC6410 board which has Qualcomm Snapdragon SoC.
Use documented compat string for msm uart.
Make PL011 UART to wait on putc only when TX FIFO is full
Make uart_bus_fdt a decendant of ofwbus
Add logic for handling new-style ARM cpu ID info.
Correct a comment which was exactly backwards from reality.
There is no reason to do i+dcache writeback and invalidate when changing
the translation table (this may be left over from armv5 days). It's
especially bad to do so using a cache operation that isn't coherent on
SMP systems.
Add casting to make atomic ops work for pointers. (Apparently nobody has
ever done atomic ops on pointers before now on arm).
Revert incorrect casting.
Revert r277357 as expr has been enhanced to better detect overflow conditions,
and now the tests pass
PR: 196867
X-MFC with: r277798
MFC after: 1 week
Sponsored by: EMC / Isilon Storage Division
- Fix pf(4) to build with MAXCPU set to 256. MAXCPU is actually a count,
not a maximum ID value (so it is a cap on mp_ncpus, not mp_maxid).
- Bump MAXCPU on amd64 from 64 to 256. In practice APIC only permits 255
CPUs (IDs 0 through 254). Getting above that limit requires x2APIC.
Microsoft vmbus, storage and other related driver enhancements for HyperV.
- Vmbus multi channel support.
- Vector interrupt support.
- Signal optimization.
- Storvsc driver performance improvement.
- Scatter and gather support for storvsc driver.
- Minor bug fix for KVP driver.
Thanks royger, jhb and delphij from FreeBSD community for the reviews
and comments. Also thanks Hovy Xu from NetApp for the contributions to
the storvsc driver.
PR: 195238
Submitted by: whu
Reviewed by: royger
Approved by: royger
Relnotes: yes
Sponsored by: Microsoft OSTC
Differential Revision: https://reviews.freebsd.org/D2575
Decrement p_boundary_count in the single-threading thread, during making
other thread runnable. This guarantees that upon return from the
thread_single_end(), p_boundary_count is zero.
Adjust visibility macros.
The GCC visibility attributes were introduced in GCC 4.0.
Apparently the "protected" attribute was introduced only
until GCC 4.2, but we are not currently using it.
The page presence memory test takes a long time on large memory systems
and has little value on contemporary amd64 hardware.
Relnotes: Yes
Reviewed by: jhb, kib
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D1544
date(1): Make -r behave like GNU's version when the option can not be
interpreted as a number, which checks the file's modification time and
use that as the date/time value.
This improves compatibility with GNU coreutils's version of date(1).
Fix handling of direct maps, broken in r275756. Previously, running
automount(8) would unmount direct map trigger nodes every second time.
Sponsored by: The FreeBSD Foundation
