svn commit: r302328 - in head/sys: kern sys

[Ngie Cooper (yaneurabeya)]

> On Jul 5, 2016, at 03:08, Bruce Evans <brde at optusnet.com.au> wrote:
> 
> On Sun, 3 Jul 2016, Konstantin Belousov wrote:
> 
> This is mostly a test reply (replying to src-committers has stopped
> working for newer commits).
> 
>> Log:
>> Provide helper macros to detect 'non-silent SBDRY' state and to
>> calculate appropriate return value for stops.  Simplify the code by
>> using them.
>> 
>> Fix typo in sig_suspend_threads().  The thread which sleep must be
>> aborted is td2. (*)
>> 
>> In issignal(), when handling stopping signal for thread in
>> TD_SBDRY_INTR state, do not stop, this is wrong and fires assert.
>> This is yet another place where execution should be forced out of
>> SBDRY-protected region.  For such case, return -1 from issignal() and
>> translate it to corresponding error code in sleepq_catch_signals().
>> Assert that other consumers of cursig() are not affected by the new
>> return value. (*)
>> 
>> Micro-optimize, mostly VFS and VOP methods, by avoiding calling the
>> functions when SIGDEFERSTOP_NOP non-change is requested. (**)
>> 
>> Reported and tested by:	pho (*)
>> Requested by:	bde (**)
>> Sponsored by:	The FreeBSD Foundation
>> MFC after:	2 weeks
>> Approved by:	re (gjb)
> 
> Thanks, but this is still very slow (even slower than beore the
> micro-optimization).

	Could you please bump __FreeBSD_version ? This change broke emulators/open-vm-tools from pkg.FreeBSD.org , so it needs to be rebuilt.
Thanks,
-Ngie

$ sudo service vmware-kmod start
Loading vmmemctl kernel module: already loaded.
Loading vmxnet kernel module: already loaded.
Loading vmblock kernel module: failed.
Cannot 'start' vmware_guest_vmhgfs. Set vmware_guest_vmhgfs_enable to YES in /etc/rc.conf or use 'onestart' instead of 'start'.
$ tail -n 3 /var/log/messages
Jul  5 15:59:03 fbsd11 fetch: gethostby*.getanswer: asked for "mirror.easthsia.com IN AAAA", got type "A"
Jul  5 16:01:43 fbsd11 kernel: link_elf_obj: symbol sigdeferstop undefined
Jul  5 16:01:43 fbsd11 kernel: linker_load_file: Unsupported file type
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