From: David Vrabel <david.vrabel@citrix.com>
To: Jan Beulich <JBeulich@suse.com>,
Julien Grall <julien.grall@arm.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Stefano Stabellini <sstabellini@kernel.org>
Cc: xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: find_next{,_zero}_bit() inconsistencies
Date: Tue, 30 Aug 2016 10:26:15 +0100 [thread overview]
Message-ID: <57C55137.7040707@citrix.com> (raw)
In-Reply-To: <57C43FA50200007800109C22@prv-mh.provo.novell.com>
On 29/08/16 12:59, Jan Beulich wrote:
> Hello,
>
> in the context of
> https://lists.xenproject.org/archives/html/xen-devel/2016-08/msg03068.html
> I once again came across the different behavior our various
> implementations of the $subject functions, in particular their varying
> handling of the offset argument being greater / greater-or-equal
> the size argument. Shouldn't we settle on a single, uniform model,
> which might be
> 1) offset >= size is valid, returns size,
> 2) offset == size is valid, returns size, offset > size is invalid,
> 3) offset >= size is invalid.
What does the linux implementation do?
David
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next prev parent reply other threads:[~2016-08-30 9:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-29 11:59 find_next{,_zero}_bit() inconsistencies Jan Beulich
2016-08-29 12:03 ` Andrew Cooper
2016-08-29 12:38 ` Jan Beulich
2016-08-30 9:26 ` David Vrabel [this message]
2016-08-30 10:08 ` Jan Beulich
2016-08-30 12:32 ` Julien Grall
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