indicates the range of type indices which have been committed to the
container by ctf_update(). However, the top bit of the dtd_type field is
not part of the type index; rather, it is a flag used to indicate that the
corresponding CTF container is a parent. This is why the maximum CTF type
index is 2^15 - 1 rather than 2^16 - 1. Therefore, this flag must be masked
off (using the CTF_TYPE_TO_INDEX macro) when comparing a type index with the
ctf_dtoldid field of a container.
This bug was causing libctf to erroneously free committed type definitions
in ctf_discard(). libdtrace holds some references to such types, resulting
in a use-after-free.
MFC after: 2 weeks
Sponsored by: EMC / Isilon Storage Division
we end up skipping a dynamic type because it has already been committed to
the container, we would previously either set the loop variable to an
uninitialized local variable, or set it to itself, resulting in an infinite
loop.
MFC after: 2 weeks
Sponsored by: EMC / Isilon Storage Division
This merge is effectively a no-op since parts of it are already present
in FreeBSD, and the rest is incorrect since gelf_newehdr(3) and
gelf_newphdr(3) return pointers on FreeBSD rather than integers.
Illumos issue:
5589 improper use of NULL in tools/ctf
MFC after: 3 days
adding this major feature to the driver. Secondly, this updates the base
driver with new 20G device support, and with the new firmware levels some
changes to link handling and initialization were required.
MFC after: 1 week
should raise a divide-by-zero floating point exception for x = +-0
and an invalid floating point exception for x < 0 including x = -Inf.
Update the code to raise the exception and update the documentation
with hopefully better description of the behavior.
Reviewed by: bde (code only)
This is not complete yet: the gem(4) interface on my laptop seems to
disappear from the PCI bus as a result of quiescing Open Firmware in the
boot loader.
Move the function at the bottom of the misc.c file to clearly state the
copyright only stand for this function
PR: 198484
Submitted by: logan@elandsys.com
These are left over from long ago when there was no way to load modules
on early armv6 platforms, and when there was a build problem with ahc
that has long since been fixed, and they just keep getting copy-pasted
into new configs.
The MEM_UOPS_RETIRED actually work the same way as the Sandy
Bridge counters, but the counters were documented in a different
way and that seemed to cause the Ivy Bridge counters to be
implemented incorrectly. Use the same counter definitions as
Sandy Bridge. While I'm here, rename the counters to match
what's documented in the datasheet.
Differential Revision: https://reviews.freebsd.org/D1590
MFC after: 1 month
Sponsored by: Sandvine Inc.
On Sandy Bridge and later, to count branch-related events you
have to or together a mask indicating the type of branch
instruction to count (e.g. direct jump, branch, etc) and a bits
indicating whether to count taken and not-taken branches. The
current counter definitions where defining this bits individually,
so the counters never worked and always just counted 0.
Fix the counter definitions to instead contain the proper
combination of masks. Also update the man pages to reflect the
new counters.
Differential Revision: https://reviews.freebsd.org/D1587
MFC after: 1 month
Sponsored by: Sandvine Inc.
A couple of pmc counters did not work because there were being
restricted to the wrong PMC unit. I've verified that these
counters now work and match the documented restrictions.
Differential Revision: https://reviews.freebsd.org/D1586
MFC after: 1 month
Sponsored by: Sandvine Inc
ntpd is hard-coded to use /dev/ppsN, and typically when multiple PPS sources
are available the sysadmin will symlink the right one(s) to /dev/ppsN, so
it's best to not usurp those names directly.
- Bump link state when stopping or starting the interface;
- Don't handle SIOCGIFADDR specially, similar to r277103.
This change is based on a previous revision from Andy Zhang
(Microsoft) who did the diagnostic work and many thanks to
them for their help in supporting the HyperV work.
PR: kern/187203
MFC after: 2 weeks
Also ensure dsb precedes isb in all icache maintenance routines (first
do a data sync, then stall the instruction stream until it finishes).
Submitted by: Michal Meloun
