From: Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>
To: Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
laurent.pinchart+renesas-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH v2] iommu/io-pgtable: Rationalise quirk handling
Date: Fri, 12 Feb 2016 17:27:17 +0000 [thread overview]
Message-ID: <20160212172716.GH17901@arm.com> (raw)
In-Reply-To: <62860b753f304beef7b4b6f1e13d7094252f2f37.1455294748.git.robin.murphy-5wv7dgnIgG8@public.gmane.org>
On Fri, Feb 12, 2016 at 05:09:46PM +0000, Robin Murphy wrote:
> As the number of io-pgtable implementations grows beyond 1, it's time
> to rationalise the quirks mechanism before things have a chance to
> start getting really ugly and out-of-hand.
>
> To that end:
> - Indicate exactly which quirks each format can/does support.
> - Fail creating a table if a caller wants unsupported quirks.
> - Properly document where each quirk applies and why.
>
> Signed-off-by: Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>
> ---
>
> Just to allay any confusion, I intend this as a followup to the
> short-descriptor[1] and Mediatek IOMMU[2] patches, rather than a
> crucial addition, so it can either get picked up along with those
> or wait 'til later.
I'd like to see it included in whichever tree takes the short-descriptor
code so, in case that's not my tree:
Acked-by: Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>
Will
WARNING: multiple messages have this Message-ID (diff)
From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2] iommu/io-pgtable: Rationalise quirk handling
Date: Fri, 12 Feb 2016 17:27:17 +0000 [thread overview]
Message-ID: <20160212172716.GH17901@arm.com> (raw)
In-Reply-To: <62860b753f304beef7b4b6f1e13d7094252f2f37.1455294748.git.robin.murphy@arm.com>
On Fri, Feb 12, 2016 at 05:09:46PM +0000, Robin Murphy wrote:
> As the number of io-pgtable implementations grows beyond 1, it's time
> to rationalise the quirks mechanism before things have a chance to
> start getting really ugly and out-of-hand.
>
> To that end:
> - Indicate exactly which quirks each format can/does support.
> - Fail creating a table if a caller wants unsupported quirks.
> - Properly document where each quirk applies and why.
>
> Signed-off-by: Robin Murphy <robin.murphy@arm.com>
> ---
>
> Just to allay any confusion, I intend this as a followup to the
> short-descriptor[1] and Mediatek IOMMU[2] patches, rather than a
> crucial addition, so it can either get picked up along with those
> or wait 'til later.
I'd like to see it included in whichever tree takes the short-descriptor
code so, in case that's not my tree:
Acked-by: Will Deacon <will.deacon@arm.com>
Will
next prev parent reply other threads:[~2016-02-12 17:27 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-26 17:13 [PATCH v3 0/3] io-pgtable ARM short descriptor format Robin Murphy
2016-01-26 17:13 ` Robin Murphy
[not found] ` <cover.1453723096.git.robin.murphy-5wv7dgnIgG8@public.gmane.org>
2016-01-26 17:13 ` [PATCH v3 1/3] iommu/io-pgtable: Add ARMv7 short descriptor support Robin Murphy
2016-01-26 17:13 ` Robin Murphy
[not found] ` <066c4af0e29c9cc658bd5e48edc5e2d7ba7140a1.1453723096.git.robin.murphy-5wv7dgnIgG8@public.gmane.org>
2016-01-27 1:16 ` Yong Wu
2016-01-27 1:16 ` Yong Wu
2016-01-28 13:41 ` Robin Murphy
2016-01-28 13:41 ` Robin Murphy
[not found] ` <56AA1A89.6080706-5wv7dgnIgG8@public.gmane.org>
2016-02-17 14:31 ` Will Deacon
2016-02-17 14:31 ` Will Deacon
[not found] ` <20160217143106.GC1459-5wv7dgnIgG8@public.gmane.org>
2016-02-17 14:34 ` Robin Murphy
2016-02-17 14:34 ` Robin Murphy
2016-02-10 15:48 ` Will Deacon
2016-02-10 15:48 ` Will Deacon
[not found] ` <20160210154815.GO1052-5wv7dgnIgG8@public.gmane.org>
2016-02-11 16:13 ` [PATCH 4/3] iommu/io-pgtable: Rationalise quirk handling Robin Murphy
2016-02-11 16:13 ` Robin Murphy
[not found] ` <ea1f3d3feec0dc9c18d43393678370b50b1275f5.1455206840.git.robin.murphy-5wv7dgnIgG8@public.gmane.org>
2016-02-11 20:39 ` Laurent Pinchart
2016-02-11 20:39 ` Laurent Pinchart
2016-02-12 12:08 ` Will Deacon
2016-02-12 12:08 ` Will Deacon
[not found] ` <20160212120857.GN25087-5wv7dgnIgG8@public.gmane.org>
2016-02-12 12:32 ` Laurent Pinchart
2016-02-12 12:32 ` Laurent Pinchart
2016-02-12 15:23 ` Robin Murphy
2016-02-12 15:23 ` Robin Murphy
[not found] ` <56BDF8D8.4010200-5wv7dgnIgG8@public.gmane.org>
2016-02-12 15:55 ` Will Deacon
2016-02-12 15:55 ` Will Deacon
2016-03-01 12:01 ` [PATCH v3 1/3] iommu/io-pgtable: Add ARMv7 short descriptor support Geert Uytterhoeven
2016-03-01 12:01 ` Geert Uytterhoeven
2016-03-01 13:13 ` Laurent Pinchart
2016-03-01 13:13 ` Laurent Pinchart
2016-03-01 13:51 ` Robin Murphy
2016-03-01 13:51 ` Robin Murphy
2016-01-26 17:13 ` [PATCH v3 2/3] iommu/io-pgtable: Add helper functions for TLB ops Robin Murphy
2016-01-26 17:13 ` Robin Murphy
2016-01-26 17:13 ` [PATCH v3 3/3] iommu/io-pgtable: Avoid redundant TLB syncs Robin Murphy
2016-01-26 17:13 ` Robin Murphy
[not found] ` <81a5e784494a04713e152659c95b34e92d944f32.1453723096.git.robin.murphy-5wv7dgnIgG8@public.gmane.org>
2016-02-10 14:21 ` Will Deacon
2016-02-10 14:21 ` Will Deacon
2016-02-12 17:09 ` [PATCH v2] iommu/io-pgtable: Rationalise quirk handling Robin Murphy
2016-02-12 17:09 ` Robin Murphy
[not found] ` <62860b753f304beef7b4b6f1e13d7094252f2f37.1455294748.git.robin.murphy-5wv7dgnIgG8@public.gmane.org>
2016-02-12 17:24 ` Laurent Pinchart
2016-02-12 17:24 ` Laurent Pinchart
2016-02-12 17:25 ` Robin Murphy
2016-02-12 17:25 ` Robin Murphy
2016-02-12 17:27 ` Will Deacon [this message]
2016-02-12 17:27 ` Will Deacon
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