All of lore.kernel.org
 help / color / mirror / Atom feed
From: Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>
To: Laura Abbott <lauraa-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
Cc: Catalin Marinas <Catalin.Marinas-5wv7dgnIgG8@public.gmane.org>,
	Ritesh Harjani
	<ritesh.harjani-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	David Riley <davidriley-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
	"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
	"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCHv2] arm64: Add atomic pool for non-coherent and CMA allocaitons.
Date: Tue, 3 Jun 2014 14:28:42 +0100	[thread overview]
Message-ID: <20140603132842.GI23149@arm.com> (raw)
In-Reply-To: <1401739432-5358-1-git-send-email-lauraa-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>

Hi Laura,

On Mon, Jun 02, 2014 at 09:03:52PM +0100, Laura Abbott wrote:
> Neither CMA nor noncoherent allocations support atomic allocations.
> Add a dedicated atomic pool to support this.
> 
> Change-Id: I46c8fdffe5e0687403d42b37643137c8cf344259
> Signed-off-by: Laura Abbott <lauraa-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
> ---
> 
> v2: Various bug fixes pointed out by David and Ritesh (CMA dependency, swapping
> coherent, noncoherent). I'm still not sure how to address the devicetree
> suggestion by Will [1][2]. I added the devicetree mailing list this time around
> to get more input on this.
> 
> [1] http://lists.infradead.org/pipermail/linux-arm-kernel/2014-April/249180.html
> [2] http://lists.infradead.org/pipermail/linux-arm-kernel/2014-April/249528.html

Perhaps that can be done later then, since from what you're saying, we need
the command-line option either way? Have you looked at how this fits in with
the iommu-helper work from Ritesh? We could put the parameter parsing in
there too.

Will
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

WARNING: multiple messages have this Message-ID (diff)
From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCHv2] arm64: Add atomic pool for non-coherent and CMA allocaitons.
Date: Tue, 3 Jun 2014 14:28:42 +0100	[thread overview]
Message-ID: <20140603132842.GI23149@arm.com> (raw)
In-Reply-To: <1401739432-5358-1-git-send-email-lauraa@codeaurora.org>

Hi Laura,

On Mon, Jun 02, 2014 at 09:03:52PM +0100, Laura Abbott wrote:
> Neither CMA nor noncoherent allocations support atomic allocations.
> Add a dedicated atomic pool to support this.
> 
> Change-Id: I46c8fdffe5e0687403d42b37643137c8cf344259
> Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
> ---
> 
> v2: Various bug fixes pointed out by David and Ritesh (CMA dependency, swapping
> coherent, noncoherent). I'm still not sure how to address the devicetree
> suggestion by Will [1][2]. I added the devicetree mailing list this time around
> to get more input on this.
> 
> [1] http://lists.infradead.org/pipermail/linux-arm-kernel/2014-April/249180.html
> [2] http://lists.infradead.org/pipermail/linux-arm-kernel/2014-April/249528.html

Perhaps that can be done later then, since from what you're saying, we need
the command-line option either way? Have you looked at how this fits in with
the iommu-helper work from Ritesh? We could put the parameter parsing in
there too.

Will

  parent reply	other threads:[~2014-06-03 13:28 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-02 20:03 [PATCHv2] arm64: Add atomic pool for non-coherent and CMA allocaitons Laura Abbott
2014-06-02 20:03 ` Laura Abbott
     [not found] ` <1401739432-5358-1-git-send-email-lauraa-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2014-06-03  0:23   ` David Riley
2014-06-03  0:23     ` David Riley
2014-06-03 13:28   ` Will Deacon [this message]
2014-06-03 13:28     ` Will Deacon
     [not found]     ` <20140603132842.GI23149-5wv7dgnIgG8@public.gmane.org>
2014-06-04  0:30       ` Laura Abbott
2014-06-04  0:30         ` Laura Abbott
     [not found]         ` <538E689A.3050109-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2014-06-04 17:59           ` Will Deacon
2014-06-04 17:59             ` Will Deacon
2014-06-05 17:05 ` Catalin Marinas
2014-06-05 17:05   ` Catalin Marinas
     [not found]   ` <20140605170500.GC27946-5wv7dgnIgG8@public.gmane.org>
2014-06-07  0:55     ` Laura Abbott
2014-06-07  0:55       ` Laura Abbott
2014-06-09  9:27       ` Catalin Marinas
2014-06-09  9:27         ` Catalin Marinas
2014-06-04 16:17 Ritesh Harjani

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20140603132842.GI23149@arm.com \
    --to=will.deacon-5wv7dgnigg8@public.gmane.org \
    --cc=Catalin.Marinas-5wv7dgnIgG8@public.gmane.org \
    --cc=davidriley-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org \
    --cc=devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=lauraa-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org \
    --cc=linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org \
    --cc=ritesh.harjani-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.