linux-kernel - Re: [PATCH 2/2] fbdev: fbmem: allow overriding the number of bootup logos

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Message-ID: <20190824153446.GB28002@bombadil.infradead.org>
Date:   Sat, 24 Aug 2019 08:34:46 -0700
From:   Matthew Wilcox <willy@...radead.org>
To:     Peter Rosin <peda@...ntia.se>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Jonathan Corbet <corbet@....net>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-fbdev@...r.kernel.org" <linux-fbdev@...r.kernel.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>
Subject: Re: [PATCH 2/2] fbdev: fbmem: allow overriding the number of bootup
 logos

On Fri, Aug 23, 2019 at 08:47:47AM +0000, Peter Rosin wrote:
> +++ b/drivers/video/fbdev/core/fbcon.c
> +++ b/drivers/video/fbdev/core/fbmem.c
> @@ -56,6 +56,9 @@ EXPORT_SYMBOL(num_registered_fb);
>  bool fb_center_logo __read_mostly;
>  EXPORT_SYMBOL(fb_center_logo);
>  
> +unsigned int fb_logo_count __read_mostly;
> +EXPORT_SYMBOL(fb_logo_count);

Why does this symbol need to be exported?  As I read the Makefile, fbcon
and fbmem are combined into the same module, so while the symbol needs
to be non-static, it doesn't need to be exported to other modules.