On 12/27/19, Hans Petter Selasky wrote:
> On 2019-12-27 12:33, Ronald Klop wrote:
>> Wow, this looks like a winner.
>>
>> Ronald.
>
> Is this a spin-off from epoch methodology?
>
> It is possible to use epoch as a part of read mostly locking too.
>
epoch uses explicit fences which are a completel
On 2019-12-27 12:33, Ronald Klop wrote:
Wow, this looks like a winner.
Ronald.
Is this a spin-off from epoch methodology?
It is possible to use epoch as a part of read mostly locking too.
The basic idea here is to have a variable/refcount which when set,
fallback to a regular mutex during r
On Fri, 27 Dec 2019 12:23:32 +0100, Mateusz Guzik wrote:
Author: mjg
Date: Fri Dec 27 11:23:32 2019
New Revision: 356120
URL: https://svnweb.freebsd.org/changeset/base/356120
Log:
mac: use a sleepable rmlock instead of an sx lock
If any non-static modules are loaded (and mac_ntpd tends to b
Author: mjg
Date: Fri Dec 27 11:23:32 2019
New Revision: 356120
URL: https://svnweb.freebsd.org/changeset/base/356120
Log:
mac: use a sleepable rmlock instead of an sx lock
If any non-static modules are loaded (and mac_ntpd tends to be), the lock is
taken all the time al over the kernel.
