linux-kernel - Re: [greybus-dev] [PATCH v2] staging: greybus: Convert uart.c from IDR to XArray

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Date:   Thu, 26 Aug 2021 17:57:02 +0200
From:   "Fabio M. De Francesco" <fmdefrancesco@...il.com>
To:     Johan Hovold <johan@...nel.org>, Alex Elder <elder@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        greybus-dev@...ts.linaro.org, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org, Alex Elder <elder@...e.org>,
        Alex Elder <elder@...aro.org>
Cc:     kernel test robot <lkp@...el.com>
Subject: Re: [greybus-dev] [PATCH v2] staging: greybus: Convert uart.c from IDR to XArray

On Wednesday, August 25, 2021 3:45:13 PM CEST Alex Elder wrote:
> On 8/25/21 12:20 AM, Fabio M. De Francesco wrote:
> > On Monday, August 16, 2021 4:46:08 PM CEST Alex Elder wrote:
> >> On 8/14/21 1:11 PM, Fabio M. De Francesco wrote:
> >>> Convert greybus/uart.c from IDR to XArray. The abstract data type XArray
> >>> is more memory-efficient, parallelisable, 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.
> >>
> >> I haven't verified the use of the new API (yet) but I have a few
> >> comments on your patch, below.
> >>
> >> 					-Alex
> > 
> > Dear Alex,
> > 
> > On August 16th I submitted the v3 of my patch ("staging: greybus: Convert uart.c 
> > from IDR to XArray"), with changes based on the comments you provided.
> 
> Yes, I intend to review version 3.  I'm sorry I didn't respond to
> your earlier message; I am on vacation this week.
> 
> 					-Alex

Oh, there's no hurry, sorry to bother you while on vacation.
Even kernel hackers deserve a vacation at least once a year or two... :-)

Thanks,

Fabio

> > 
> > Could you please take a few minutes to review this too? I would really appreciate it.
> > 
> > The v3 patch is at https://lore.kernel.org/lkml/20210816195000.736-1-fmdefrancesco@gmail.com/
> > 
> > Thanks,
> > 
> > Fabio
> > 
> > P.S.: I'd also like to know if you think it's worth converting IDA to XArray in order 
> > to improve the Greybus driver in staging.
> > 
> >   
> > 
> > 
> > _______________________________________________
> > greybus-dev mailing list
> > greybus-dev@...ts.linaro.org
> > https://lists.linaro.org/mailman/listinfo/greybus-dev
> > 
> 
> 

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