linux-kernel - Re: [PATCH v3 03/13] software node: get rid of property_set

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Date:   Mon, 9 Sep 2019 03:15:55 -0700
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-kernel@...r.kernel.org, platform-driver-x86@...r.kernel.org
Subject: Re: [PATCH v3 03/13] software node: get rid of property_set_pointer()

On Mon, Sep 09, 2019 at 12:55:05PM +0300, Andy Shevchenko wrote:
> On Mon, Sep 09, 2019 at 01:15:47AM -0700, Dmitry Torokhov wrote:
> > Instead of explicitly setting values of integer types when copying property
> > entries lets just copy entire value union when processing non-array values.
> > 
> > When handling array values assign the pointer there using the newly introduced
> > "raw" pointer union member. This allows us to remove property_set_pointer().
> 
> Is this reincarnation of 318a19718261?
> Have you read 63dcc7090137?

Okay, I think if I squash this and the followup patch to
property_get_data() then we'll only go through the "raw" pointer to get
to the non-inline data and therefore we will not have the union aliasing
issue.

The in-line values never change their type when storing/accessing.

-- 
Dmitry