From: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
To: Bjorn Helgaas <bhelgaas-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
Ingo Molnar <mingo-X9Un+BFzKDI@public.gmane.org>,
David Woodhouse <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Suresh Siddha
<suresh.b.siddha-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH 1/2] resources: set type of new resource returned by __request_region()
Date: Mon, 21 May 2012 15:04:51 +0200 [thread overview]
Message-ID: <20120521130451.GK2313@8bytes.org> (raw)
In-Reply-To: <20120518231832.31187.10630.stgit-1RhO1Y9PlrnlUACayq9hv/yj43VRqXoZVpNB7YpNyf8@public.gmane.org>
On Fri, May 18, 2012 at 05:18:32PM -0600, Bjorn Helgaas wrote:
> Previously we returned a new struct resource with only IORESOURCE_BUSY
> set (and possibly IORESOURCE_MUXED or IORESOURCE_EXCLUSIVE), but no
> MEM/IO/etc. bits set. The new resource should inherit the type of
> its parent.
Should it? What about IORESOURCE_WINDOW for example? Any particular
reason for this change to the interface of the __request_region()
function?
Joerg
WARNING: multiple messages have this Message-ID (diff)
From: Joerg Roedel <joro@8bytes.org>
To: Bjorn Helgaas <bhelgaas@google.com>
Cc: David Woodhouse <dwmw2@infradead.org>,
linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
Ingo Molnar <mingo@elte.hu>,
Suresh Siddha <suresh.b.siddha@intel.com>
Subject: Re: [PATCH 1/2] resources: set type of new resource returned by __request_region()
Date: Mon, 21 May 2012 15:04:51 +0200 [thread overview]
Message-ID: <20120521130451.GK2313@8bytes.org> (raw)
In-Reply-To: <20120518231832.31187.10630.stgit@bhelgaas.mtv.corp.google.com>
On Fri, May 18, 2012 at 05:18:32PM -0600, Bjorn Helgaas wrote:
> Previously we returned a new struct resource with only IORESOURCE_BUSY
> set (and possibly IORESOURCE_MUXED or IORESOURCE_EXCLUSIVE), but no
> MEM/IO/etc. bits set. The new resource should inherit the type of
> its parent.
Should it? What about IORESOURCE_WINDOW for example? Any particular
reason for this change to the interface of the __request_region()
function?
Joerg
next prev parent reply other threads:[~2012-05-21 13:04 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-18 23:18 [PATCH 0/2] iommu: request CSR space Bjorn Helgaas
2012-05-18 23:18 ` Bjorn Helgaas
[not found] ` <20120518231238.31187.44571.stgit-1RhO1Y9PlrnlUACayq9hv/yj43VRqXoZVpNB7YpNyf8@public.gmane.org>
2012-05-18 23:18 ` [PATCH 1/2] resources: set type of new resource returned by __request_region() Bjorn Helgaas
2012-05-18 23:18 ` Bjorn Helgaas
[not found] ` <20120518231832.31187.10630.stgit-1RhO1Y9PlrnlUACayq9hv/yj43VRqXoZVpNB7YpNyf8@public.gmane.org>
2012-05-21 13:04 ` Joerg Roedel [this message]
2012-05-21 13:04 ` Joerg Roedel
[not found] ` <20120521130451.GK2313-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2012-05-21 13:52 ` Bjorn Helgaas
2012-05-21 13:52 ` Bjorn Helgaas
[not found] ` <CAErSpo582Ok9arr+3krKTQdue4i3wQOixVkBbheDX6a3v8xMHw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-05-23 10:40 ` Joerg Roedel
2012-05-23 10:40 ` Joerg Roedel
2012-05-18 23:18 ` [PATCH 2/2] iommu: Request IOMMU CSR space Bjorn Helgaas
2012-05-18 23:18 ` Bjorn Helgaas
[not found] ` <20120518231837.31187.29401.stgit-1RhO1Y9PlrnlUACayq9hv/yj43VRqXoZVpNB7YpNyf8@public.gmane.org>
2012-05-21 13:15 ` Joerg Roedel
2012-05-21 13:15 ` Joerg Roedel
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