linux-kernel - Re: [PATCH v8 RESEND] staging: unisys: visorhba: Convert module from IDR to XArray

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Message-ID: <YMiT9+msL8H2+3yV@kroah.com>
Date:   Tue, 15 Jun 2021 13:50:15 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     "Fabio M. De Francesco" <fmdefrancesco@...il.com>
Cc:     David Kershner <david.kershner@...sys.com>,
        sparmaintainer@...sys.com, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org, Matthew Wilcox <willy@...radead.org>,
        Daniel Vetter <daniel@...ll.ch>,
        Dan Carpenter <dan.carpenter@...cle.com>
Subject: Re: [PATCH v8 RESEND] staging: unisys: visorhba: Convert module from
 IDR to XArray

On Fri, May 14, 2021 at 10:11:11AM +0200, Fabio M. De Francesco wrote:
> Converted visorhba from IDR to XArray. The abstract data type XArray is
> more memory-efficient, parallelizable, and cache friendly. It takes
> advantage of RCU to perform lookups without locking. Furthermore, IDR is
> deprecated because XArray has a better (cleaner and more consistent)
> API.
> 
> Signed-off-by: Fabio M. De Francesco <fmdefrancesco@...il.com>
> Reviewed-by: Dan Carpenter <dan.carpenter@...cle.com>
> ---

Given a lack of response from the unisys maintainer, I'll go apply this
now and see what breaks :)

thanks,

greg k-h