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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>,
	Peter Zijlstra <peterz@infradead.org>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	dri-devel@lists.freedesktop.org,
	"James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>,
	Max Filippov <jcmvbkbc@gmail.com>,
	Paul Mackerras <paulus@samba.org>,
	"H. Peter Anvin" <hpa@zytor.com>,
	sparclinux@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
	Helge Deller <deller@gmx.de>,
	x86@kernel.org, linux-csky@vger.kernel.org,
	Ingo Molnar <mingo@redhat.com>,
	linux-snps-arc@lists.infradead.org,
	linux-xtensa@linux-xtensa.org, Borislav Petkov <bp@alien8.de>,
	Andy Lutomirski <luto@kernel.org>,
	Dan Williams <dan.j.williams@intel.com>,
	linux-arm-kernel@lists.infradead.org,
	Chris Zankel <chris@zankel.net>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	linux-parisc@vger.kernel.org, linux-mips@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org,
	"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH V1 00/10] Remove duplicated kmap code
Date: Fri, 1 May 2020 01:54:56 -0700	[thread overview]
Message-ID: <20200501085456.GL27858@infradead.org> (raw)
In-Reply-To: <20200430203845.582900-1-ira.weiny@intel.com>

In addition to the work already it the series, it seems like
LAST_PKMAP_MASK, PKMAP_ADDR and PKMAP_NR can also be consolidated
to common code.

Also kmap_atomic_high_prot / kmap_atomic_pfn could move into common
code, maybe keyed off a symbol selected by the actual users that
need it.  It also seems like it doesn't actually ever need to be
exported.

This in turn would lead to being able to allow io_mapping_map_atomic_wc
on all architectures, which might make nouveau and qxl happy, but maybe
that can be left for another series.

  parent reply	other threads:[~2020-05-01  8:54 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-30 20:38 [PATCH V1 00/10] Remove duplicated kmap code ira.weiny
2020-04-30 20:38 ` [PATCH V1 01/10] arch/kmap: Remove BUG_ON() ira.weiny
2020-05-01  8:35   ` Christoph Hellwig
2020-04-30 20:38 ` [PATCH V1 02/10] arch/xtensa: Move kmap build bug out of the way ira.weiny
2020-05-01  8:36   ` Christoph Hellwig
2020-04-30 20:38 ` [PATCH V1 03/10] arch/kmap: Remove redundant arch specific kmaps ira.weiny
2020-05-01  8:37   ` Christoph Hellwig
2020-04-30 20:38 ` [PATCH V1 04/10] arch/kunmap: Remove duplicate kunmap implementations ira.weiny
2020-05-01  8:38   ` Christoph Hellwig
2020-04-30 20:38 ` [PATCH V1 05/10] arch/kmap_atomic: Consolidate duplicate code ira.weiny
2020-05-01  2:09   ` Al Viro
2020-05-01  8:39   ` Christoph Hellwig
2020-04-30 20:38 ` [PATCH V1 06/10] arch/kunmap_atomic: " ira.weiny
2020-05-01  8:39   ` Christoph Hellwig
2020-04-30 20:38 ` [PATCH V1 07/10] arch/kmap: Ensure kmap_prot visibility ira.weiny
2020-05-01  8:44   ` sparc-related comment, to " Christoph Hellwig
2020-05-01 15:35     ` Ira Weiny
2020-04-30 20:38 ` [PATCH V1 08/10] arch/kmap: Don't hard code kmap_prot values ira.weiny
2020-05-01  2:16   ` Al Viro
2020-05-01  8:47   ` Christoph Hellwig
2020-04-30 20:38 ` [PATCH V1 09/10] arch/kmap: Define kmap_atomic_prot() for all arch's ira.weiny
2020-05-01  2:37   ` Al Viro
2020-05-01  3:20     ` Al Viro
2020-05-03  3:11       ` Ira Weiny
2020-05-01  8:48   ` Christoph Hellwig
2020-04-30 20:38 ` [PATCH V1 10/10] drm: Remove drm specific kmap_atomic code ira.weiny
2020-05-01  7:23   ` Christian König
2020-05-01  8:49   ` Christoph Hellwig
2020-05-01  2:29 ` [PATCH V1 00/10] Remove duplicated kmap code Michael Ellerman
2020-05-01  8:54 ` Christoph Hellwig [this message]
2020-05-01 17:18   ` Ira Weiny

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