Re: [PATCH v4 2/5] fbdev: Replace fb_pgprotect() with pgprot_framebuffer()
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- To: Thomas Zimmermann <tzimmermann@xxxxxxx>, mpe@xxxxxxxxxxxxxx, npiggin@xxxxxxxxx, christophe.leroy@xxxxxxxxxx, arnd@xxxxxxxx, deller@xxxxxx
- Subject: Re: [PATCH v4 2/5] fbdev: Replace fb_pgprotect() with pgprot_framebuffer()
- From: Javier Martinez Canillas <javierm@xxxxxxxxxx>
- Date: Wed, 20 Sep 2023 10:09:37 +0200
- Cc: linux-arch@xxxxxxxxxxxxxxx, linux-fbdev@xxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, dri-devel@xxxxxxxxxxxxxxxxxxxxx, linux-m68k@xxxxxxxxxxxxxxx, Thomas Zimmermann <tzimmermann@xxxxxxx>, sparclinux@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx
- In-reply-to: <20230912135050.17155-3-tzimmermann@suse.de>
- References: <20230912135050.17155-1-tzimmermann@suse.de> <20230912135050.17155-3-tzimmermann@suse.de>
Thomas Zimmermann <tzimmermann@xxxxxxx> writes:
Hello Thomas,
> Rename the fbdev mmap helper fb_pgprotect() to pgprot_framebuffer().
> The helper sets VMA page-access flags for framebuffers in device I/O
> memory.
>
I think this rename makes it more clear.
> Also clean up the helper's parameters and return value. Instead of
> the VMA instance, pass the individial parameters separately: existing
> page-access flags, the VMAs start and end addresses and the offset
But I fail to see the benefit of this part. Could you please add an
explanation about why this change is desirable ?
--
Best regards,
Javier Martinez Canillas
Core Platforms
Red Hat
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