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Re: kern/54994: Critical bug in uarea_poolpage_alloc() for archs with __HAVE_CPU_UAREA_ROUTINES
The following reply was made to PR kern/54994; it has been noted by GNATS.
From: Jason Thorpe <thorpej%me.com@localhost>
To: Rin Okuyama <rokuyama.rk%gmail.com@localhost>
Cc: Nick Hudson <nick.hudson%gmx.co.uk@localhost>,
Subject: Re: kern/54994: Critical bug in uarea_poolpage_alloc() for archs with
Date: Wed, 26 Feb 2020 06:32:23 -0800
> On Feb 26, 2020, at 6:17 AM, Rin Okuyama <rokuyama.rk%gmail.com@localhost> =
> So, all ports including mips64 do not need CPU_UAREA_ROUTINES anymore,
> as far as I can see. Can we try turning off __HAVE_CPU_UAREA_ROUTINES =
> see what happens, or should we be more careful?
Platforms never "needed" __HAVE_CPU_UAREA_ROUTINES ... we didn't always =
I think we should keep them ... they are a useful optimization when they =
can do their work effectively. However, we need to ensure that when =
they can't meet their constraints that the fallback still works.
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