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Re: lib/53051: __atomic_is_lock_free missing on NetBSD/sparc
The following reply was made to PR lib/53051; it has been noted by GNATS.
From: Martin Husemann <martin%duskware.de@localhost>
To: Jason Thorpe <thorpej%me.com@localhost>
Cc: "gnats-bugs%netbsd.org@localhost" <gnats-bugs%NetBSD.org@localhost>,
netbsd-bugs%netbsd.org@localhost, "martin%netbsd.org@localhost" <martin%NetBSD.org@localhost>
Subject: Re: lib/53051: __atomic_is_lock_free missing on NetBSD/sparc
Date: Sun, 23 Dec 2018 11:23:18 +0100
On Sat, Dec 22, 2018 at 11:05:27AM -0800, Jason Thorpe wrote:
> So, the way I understand this is that, on the "sparc" architecture,
> this would return true on a uniprocessor system and false on a
> multiprocessor system.
My understanding is that it would have to always return false - there
are effectively no lock free atomics on sparcv8 or earlier.
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