Re: Since last week (today) current on my Ryzen box is unstable

From: Gleb Smirnoff <glebius_at_FreeBSD.org>
Date: Sun, 18 Feb 2018 12:33:58 -0800
On Sun, Feb 18, 2018 at 10:15:24PM +0200, Andriy Gapon wrote:
A> On 18/02/2018 15:26, Gleb Smirnoff wrote:
A> > My only point is that it is a performance improvement. IMHO that's enough :)
A> 
A> I don't think that passing an invalid argument to a documented KPI is "enough"
A> for any optimization.

I don't see a sense in making this KPI so sacred. This is something used internally
in kernel, and not used outside. The KPI has changed several times in the past.

A> > If you can't suggest a more elegant way of doing that improvement, then all
A> > I can suggest is to document it and add its support to ZFS.
A> 
A> In return I can only suggest that (1) you run your suggestion by arch_at_ -- unless
A> that's already been done and you can point me to the discussion,  (2) document
A> it and (3) double-check that all implementations confirm to it.

I can provide a patch for ZFS.

-- 
Gleb Smirnoff
Received on Sun Feb 18 2018 - 19:34:17 UTC

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