svn commit: r355333 - stable/12/sys/cam

Alexander Motin mav at FreeBSD.org
Tue Dec 3 16:54:56 UTC 2019


On 03.12.2019 11:47, Ian Lepore wrote:
> On Tue, 2019-12-03 at 16:42 +0000, Alexander Motin wrote:
>> Author: mav
>> Date: Tue Dec  3 16:42:32 2019
>> New Revision: 355333
>> URL: https://svnweb.freebsd.org/changeset/base/355333
>>
>> Log:
>>   MFC r341756 (by scottl):
>>   Don't allocate the config_intrhook separately from the softc, it's
>> small
>>   enough that it costs more code to handle the malloc/free than it
>> saves.
>>
> 
> If it's a situation where the called hook routine always does a
> disestablish of the hook (and nothing else does so), just use
> config_intrhook_oneshot() and you don't need to manage the data struct
> yourself at all.

Right.  That is what I have done in my later commit.  The only downside
of config_intrhook_oneshot() is that it require memory allocation unlike
previous.

-- 
Alexander Motin


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