From: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
To: Thomas Zimmermann <tzimmermann@suse.de>,
arnd@arndb.de, daniel.vetter@ffwll.ch, deller@gmx.de,
javierm@redhat.com, gregkh@linuxfoundation.org
Cc: linux-arch@vger.kernel.org, linux-fbdev@vger.kernel.org,
dri-devel@lists.freedesktop.org,
linux-snps-arc@lists.infradead.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-ia64@vger.kernel.org, loongarch@lists.linux.dev,
linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org,
linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-sh@vger.kernel.org, sparclinux@vger.kernel.org,
x86@kernel.org, Yoshinori Sato <ysato@users.sourceforge.jp>,
Rich Felker <dalias@libc.org>
Subject: Re: [PATCH v3 16/19] arch/sh: Implement <asm/fb.h> with generic helpers
Date: Mon, 17 Apr 2023 16:13:33 +0200 [thread overview]
Message-ID: <0b07fbadce4512e4696750cf69cf3fbbf38355a3.camel@physik.fu-berlin.de> (raw)
In-Reply-To: <132f1185-d61f-b8c7-8d6e-4e4280a1a4ad@suse.de>
Hi Thomas!
On Mon, 2023-04-17 at 16:06 +0200, Thomas Zimmermann wrote:
> Hi
>
> Am 17.04.23 um 15:02 schrieb John Paul Adrian Glaubitz:
> > Hi Thomas!
> >
> > On Mon, 2023-04-17 at 14:56 +0200, Thomas Zimmermann wrote:
> > > Replace the architecture's fbdev helpers with the generic
> > > ones from <asm-generic/fb.h>. No functional changes.
> > >
> > > v2:
> > > * use default implementation for fb_pgprotect() (Arnd)
> > >
> > > Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
> > > Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
> > > Cc: Rich Felker <dalias@libc.org>
> > > Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
> > > ---
> > > arch/sh/include/asm/fb.h | 15 +--------------
> > > 1 file changed, 1 insertion(+), 14 deletions(-)
> > >
> > > diff --git a/arch/sh/include/asm/fb.h b/arch/sh/include/asm/fb.h
> > > index 9a0bca2686fd..19df13ee9ca7 100644
> > > --- a/arch/sh/include/asm/fb.h
> > > +++ b/arch/sh/include/asm/fb.h
> > > @@ -2,19 +2,6 @@
> > > #ifndef _ASM_FB_H_
> > > #define _ASM_FB_H_
> > >
> > > -#include <linux/fb.h>
> > > -#include <linux/fs.h>
> > > -#include <asm/page.h>
> > > -
> > > -static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
> > > - unsigned long off)
> > > -{
> > > - vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
> > > -}
> >
> > Looking at the macro in asm-generic/fb.h, fb_pgprotect() is being replaced with
> > a no-op function. Is that intentional? Can you briefly explain the background
> > for this change?
>
> Patch 01 of this patchset changes the generic fb_pgprotect() to set
> pgprot_writecombine(). So on SH, there should be no change at all.
>
Ah, I missed that, thanks for the explanation. Let me check and Ack your patch
then. I assume you will be taking this patch as part of the whole series through
your own tree?
Thanks,
Adrian
--
.''`. John Paul Adrian Glaubitz
: :' : Debian Developer
`. `' Physicist
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next prev parent reply other threads:[~2023-04-17 14:14 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-17 12:56 [PATCH v3 00/19] arch: Consolidate <asm/fb.h> Thomas Zimmermann
2023-04-17 12:56 ` [PATCH v3 01/19] fbdev: Prepare generic architecture helpers Thomas Zimmermann
2023-04-17 12:56 ` [PATCH v3 02/19] arch/arc: Implement <asm/fb.h> with generic helpers Thomas Zimmermann
2023-04-17 12:56 ` [PATCH v3 03/19] arch/arm: " Thomas Zimmermann
2023-04-17 12:56 ` [PATCH v3 04/19] arch/arm64: " Thomas Zimmermann
2023-04-17 12:56 ` [PATCH v3 05/19] arch/ia64: " Thomas Zimmermann
2023-04-17 12:56 ` [PATCH v3 06/19] arch/loongarch: " Thomas Zimmermann
2023-06-28 10:26 ` WANG Xuerui
2023-04-17 12:56 ` [PATCH v3 07/19] arch/m68k: Merge variants of fb_pgprotect() into single function Thomas Zimmermann
2023-04-17 12:56 ` [PATCH v3 08/19] arch/m68k: Implement <asm/fb.h> with generic helpers Thomas Zimmermann
2023-04-17 12:56 ` [PATCH v3 09/19] arch/mips: " Thomas Zimmermann
2023-04-17 12:56 ` [PATCH v3 10/19] video: Remove trailing whitespaces Thomas Zimmermann
2023-04-17 12:56 ` [PATCH v3 11/19] video: Move HP PARISC STI core code to shared location Thomas Zimmermann
2023-04-17 12:56 ` [PATCH v3 12/19] arch/parisc: Remove trailing whitespaces Thomas Zimmermann
2023-04-17 12:56 ` [PATCH v3 13/19] arch/parisc: Implement fb_is_primary_device() under arch/parisc Thomas Zimmermann
2023-04-17 12:56 ` [PATCH v3 14/19] arch/parisc: Implement <asm/fb.h> with generic helpers Thomas Zimmermann
2023-04-17 12:56 ` [PATCH v3 15/19] arch/powerpc: " Thomas Zimmermann
2023-04-17 12:56 ` [PATCH v3 16/19] arch/sh: " Thomas Zimmermann
2023-04-17 13:02 ` John Paul Adrian Glaubitz
2023-04-17 14:06 ` Thomas Zimmermann
2023-04-17 14:07 ` Thomas Zimmermann
2023-04-17 14:13 ` John Paul Adrian Glaubitz [this message]
2023-04-17 14:16 ` Thomas Zimmermann
2023-04-17 14:21 ` John Paul Adrian Glaubitz
2023-04-17 12:56 ` [PATCH v3 17/19] arch/sparc: Implement fb_is_primary_device() in source file Thomas Zimmermann
2023-06-24 1:55 ` [v3,17/19] " Guenter Roeck
2023-06-24 9:27 ` Arnd Bergmann
2023-06-24 13:26 ` Guenter Roeck
2023-06-24 14:21 ` Arnd Bergmann
2023-06-28 10:01 ` Arnd Bergmann
2023-04-17 12:56 ` [PATCH v3 18/19] arch/sparc: Implement <asm/fb.h> with generic helpers Thomas Zimmermann
2023-04-17 12:56 ` [PATCH v3 19/19] arch/x86: " Thomas Zimmermann
2023-04-17 14:12 ` [PATCH v3 00/19] arch: Consolidate <asm/fb.h> Arnd Bergmann
2023-04-18 7:44 ` Thomas Zimmermann
2023-04-19 17:22 ` Helge Deller
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