From: Marc Zyngier <marc.zyngier@arm.com>
To: Mario Smarduch <m.smarduch@samsung.com>,
"kvmarm@lists.cs.columbia.edu" <kvmarm@lists.cs.columbia.edu>
Subject: Re: its_alloc_tables() - with all BASER marked none
Date: Thu, 15 Oct 2015 18:10:40 +0100 [thread overview]
Message-ID: <561FDE10.3090309@arm.com> (raw)
In-Reply-To: <561FDD83.1030902@samsung.com>
On 15/10/15 18:08, Mario Smarduch wrote:
>
>
> On 10/15/2015 12:50 AM, Marc Zyngier wrote:
>> On 15/10/15 02:30, Mario Smarduch wrote:
>>> If its_init()/its_probe()/its_alloc_tables() finds all GITS_BASER type none, it
>>> continues with ITS initialization.
>>>
>>> Is there a reason to continue?
>>
>> Of course. There is nothing that *mandates* the ITS to request memory
>> from the operating system. The HW could perfectly come with its own
>> memory and not need anything at all.
>>
>>> Started to look through this code recently - little confused here.
>>
>> Only the beginning! ;-)
>
> Well at this time the beginning of console freeze close to "ITS: using cache
> flushing for cmd queue". Poked around CBASER and noticed Inner cache bits are
> updated but not sticky so it got me wondering.
>
> Appears like I need to look elsewhere, like maybe my environment.
Out of curiosity, is that on a FastModel? Or on some actual HW?
M.
--
Jazz is not dead. It just smells funny...
next prev parent reply other threads:[~2015-10-15 17:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-15 1:30 its_alloc_tables() - with all BASER marked none Mario Smarduch
2015-10-15 7:50 ` Marc Zyngier
2015-10-15 17:08 ` Mario Smarduch
2015-10-15 17:10 ` Marc Zyngier [this message]
2015-10-15 17:12 ` Mario Smarduch
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=561FDE10.3090309@arm.com \
--to=marc.zyngier@arm.com \
--cc=kvmarm@lists.cs.columbia.edu \
--cc=m.smarduch@samsung.com \
/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.