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From: Christoph Hellwig <hch@infradead.org>
To: ira.weiny@intel.com
Cc: linux-kernel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Christian Koenig <christian.koenig@amd.com>,
	Huang Rui <ray.huang@amd.com>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	"James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>,
	Helge Deller <deller@gmx.de>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	"David S. Miller" <davem@davemloft.net>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Andy Lutomirski <luto@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Chris Zankel <chris@zankel.net>,
	Max Filippov <jcmvbkbc@gmail.com>,
	Dan Williams <dan.j.williams@intel.com>,
	linux-snps-arc@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org,
	linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org, sparclinux@vger.kernel.org,
	linux-xtensa@linux-xtensa.org, dri-devel@lists.freedesktop.org
Subject: Re: [PATCH V2 05/11] {x86,powerpc,microblaze}/kmap: Move preempt disable
Date: Tue, 5 May 2020 23:11:13 -0700	[thread overview]
Message-ID: <20200506061113.GA5192@infradead.org> (raw)
In-Reply-To: <20200504010912.982044-6-ira.weiny@intel.com>

On Sun, May 03, 2020 at 06:09:06PM -0700, ira.weiny@intel.com wrote:
> From: Ira Weiny <ira.weiny@intel.com>
> 
> During this kmap() conversion series we must maintain bisect-ability.
> To do this, kmap_atomic_prot() in x86, powerpc, and microblaze need to
> remain functional.
> 
> Create a temporary inline version of kmap_atomic_prot within these
> architectures so we can rework their kmap_atomic() calls and then lift
> kmap_atomic_prot() to the core.
> 
> Signed-off-by: Ira Weiny <ira.weiny@intel.com>
> 
> ---
> Changes from V1:
> 	New patch
> ---
>  arch/microblaze/include/asm/highmem.h | 11 ++++++++++-
>  arch/microblaze/mm/highmem.c          | 10 ++--------
>  arch/powerpc/include/asm/highmem.h    | 11 ++++++++++-
>  arch/powerpc/mm/highmem.c             |  9 ++-------
>  arch/x86/include/asm/highmem.h        | 11 ++++++++++-
>  arch/x86/mm/highmem_32.c              | 10 ++--------
>  6 files changed, 36 insertions(+), 26 deletions(-)
> 
> diff --git a/arch/microblaze/include/asm/highmem.h b/arch/microblaze/include/asm/highmem.h
> index 0c94046f2d58..ec9954b091e1 100644
> --- a/arch/microblaze/include/asm/highmem.h
> +++ b/arch/microblaze/include/asm/highmem.h
> @@ -51,7 +51,16 @@ extern pte_t *pkmap_page_table;
>  #define PKMAP_NR(virt)  ((virt - PKMAP_BASE) >> PAGE_SHIFT)
>  #define PKMAP_ADDR(nr)  (PKMAP_BASE + ((nr) << PAGE_SHIFT))
>  
> -extern void *kmap_atomic_prot(struct page *page, pgprot_t prot);
> +extern void *kmap_atomic_high_prot(struct page *page, pgprot_t prot);
> +void *kmap_atomic_prot(struct page *page, pgprot_t prot)

Shouldn't this be marked inline?

The rest looks fine:

Reviewed-by: Christoph Hellwig <hch@lst.de>

  reply	other threads:[~2020-05-06  6:11 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-04  1:09 [PATCH V2 00/11] Subject: Remove duplicated kmap code ira.weiny
2020-05-04  1:09 ` [PATCH V2 01/11] arch/kmap: Remove BUG_ON() ira.weiny
2020-05-04  1:09 ` [PATCH V2 02/11] arch/xtensa: Move kmap build bug out of the way ira.weiny
2020-05-04  1:09 ` [PATCH V2 03/11] arch/kmap: Remove redundant arch specific kmaps ira.weiny
2020-05-04  1:09 ` [PATCH V2 04/11] arch/kunmap: Remove duplicate kunmap implementations ira.weiny
2020-05-04  1:09 ` [PATCH V2 05/11] {x86,powerpc,microblaze}/kmap: Move preempt disable ira.weiny
2020-05-06  6:11   ` Christoph Hellwig [this message]
2020-05-06 20:25     ` Ira Weiny
2020-05-04  1:09 ` [PATCH V2 06/11] arch/kmap_atomic: Consolidate duplicate code ira.weiny
2020-05-06  6:12   ` Christoph Hellwig
2020-05-04  1:09 ` [PATCH V2 07/11] arch/kunmap_atomic: " ira.weiny
2020-05-06  6:12   ` Christoph Hellwig
2020-05-04  1:09 ` [PATCH V2 08/11] arch/kmap: Ensure kmap_prot visibility ira.weiny
2020-05-06  6:13   ` Christoph Hellwig
2020-05-06 20:33     ` Ira Weiny
2020-05-07  4:56   ` Christoph Hellwig
2020-05-04  1:09 ` [PATCH V2 09/11] arch/kmap: Don't hard code kmap_prot values ira.weiny
2020-05-04  1:09 ` [PATCH V2 10/11] arch/kmap: Define kmap_atomic_prot() for all arch's ira.weiny
2020-05-06  6:14   ` Christoph Hellwig
2020-05-04  1:09 ` [PATCH V2 11/11] drm: Remove drm specific kmap_atomic code ira.weiny
2020-05-04 11:18   ` Daniel Vetter
2020-05-04 20:24     ` Ira Weiny
2020-05-04  1:35 ` [PATCH V2 00/11] Subject: Remove duplicated kmap code Al Viro
2020-05-04  5:04   ` Ira Weiny
2020-05-04  5:33     ` Al Viro
2020-05-04 20:17       ` Ira Weiny
2020-05-04 21:02         ` Al Viro
2020-05-04 23:27           ` Ira Weiny

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