From: Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>
To: Suravee Suthikulanit
<suravee.suthikulpanit-5C7GfCeVMHo@public.gmane.org>
Cc: "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org"
<grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
"iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org"
<iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Rob Herring <robherring2-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Andreas Herrmann
<andreas.herrmann-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>,
"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>
Subject: Re: [PATCH v2 08/11] of: Increase MAX_PHANDLE_ARGS
Date: Wed, 29 Jan 2014 17:29:33 +0000 [thread overview]
Message-ID: <20140129172932.GQ26622@mudshark.cambridge.arm.com> (raw)
In-Reply-To: <52E939CB.1020705-5C7GfCeVMHo@public.gmane.org>
On Wed, Jan 29, 2014 at 05:26:35PM +0000, Suravee Suthikulanit wrote:
> On 1/29/2014 11:16 AM, Andreas Herrmann wrote:
> > On Wed, Jan 29, 2014 at 11:59:12AM -0500, Suravee Suthikulanit wrote:
> >> Actually, we are using 32 on the AMD system. So, do you think we can set
> >> this to 32 instead?
> >
> > I think that's ok.
> >
> > But are we really talking about number of SMRs or number of StreamIDs
> > per master device here? Ie. are you just having 32 SMRs for an SMMU on
> > your AMD system or do you have master devices which have 32 StreamIDs?
> >
> > If it's just number of SMRs we don't need to modify this macro.
> >
>
> I am referring to the case where each mmu-master can have upto 32 streamID.
Crikey, how many SMRs do you have? Andreas and I have been struggling to
write a decent allocator for those, so if you have any algorithms that don't
require a quantum computer, we'd love to hear from you :)!
Will
next prev parent reply other threads:[~2014-01-29 17:29 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1389876263-25759-1-git-send-email-andreas.herrmann@calxeda.com>
2014-01-16 12:44 ` [PATCH 08/11] of: Increase MAX_PHANDLE_ARGS Andreas Herrmann
[not found] ` <1389876263-25759-9-git-send-email-andreas.herrmann-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>
2014-01-16 14:25 ` Rob Herring
[not found] ` <CAL_Jsq+fDUYne1OQAd4AeQw-JAoFBf0TCv4YVpy6Vt_UmdkA8A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-01-17 11:00 ` Andreas Herrmann
2014-01-17 11:08 ` [PATCH v2 " Andreas Herrmann
2014-01-29 16:11 ` Suravee Suthikulanit
[not found] ` < CAL_JsqLhzp5jUJPA91rNkQ07kCDYCDZLxw8LxxFEVP9b12e1Jw@mail.gmail.com>
[not found] ` <52E92842.3000001-5C7GfCeVMHo@public.gmane.org>
2014-01-29 16:57 ` Rob Herring
[not found] ` <CAL_JsqLhzp5jUJPA91rNkQ07kCDYCDZLxw8LxxFEVP9b12e1Jw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-01-29 16:59 ` Suravee Suthikulanit
[not found] ` <52E93360.1000904-5C7GfCeVMHo@public.gmane.org>
2014-01-29 17:16 ` Andreas Herrmann
2014-01-29 17:26 ` Suravee Suthikulanit
[not found] ` <52E939CB.1020705-5C7GfCeVMHo@public.gmane.org>
2014-01-29 17:29 ` Will Deacon [this message]
[not found] ` <20140129172932.GQ26622-MRww78TxoiP5vMa5CHWGZ34zcgK1vI+I0E9HWUfgJXw@public.gmane.org>
2014-01-29 17:57 ` Suravee Suthikulanit
[not found] ` <52E940FC.9050602-5C7GfCeVMHo@public.gmane.org>
2014-01-29 18:03 ` Will Deacon
[not found] ` <20140129180350.GS26622-MRww78TxoiP5vMa5CHWGZ34zcgK1vI+I0E9HWUfgJXw@public.gmane.org>
2014-01-30 22:53 ` Suravee Suthikulanit
[not found] ` <52EAD7EF.3040305-5C7GfCeVMHo@public.gmane.org>
2014-01-31 0:18 ` Will Deacon
2014-01-30 17:45 ` Andreas Herrmann
2014-01-31 16:24 ` Rob Herring
[not found] ` <CAL_Jsq+=dm4kPk=e0h_up9=wvED4fd3MBtSNFxm2NEz_yag-uA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-02-03 16:44 ` Will Deacon
2014-02-04 17:33 ` Grant Likely
2014-02-04 17:36 ` Grant Likely
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