From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 4/5] drivers: firmware: psci: add extended stateid power_state support
Date: Fri, 23 Oct 2015 12:55:34 +0200 [thread overview]
Message-ID: <7012327.dvizHt4W5S@wuerfel> (raw)
In-Reply-To: <20151023104457.GA9309@red-moon>
On Friday 23 October 2015 11:44:58 Lorenzo Pieralisi wrote:
>
> Problem with Qemu emulation is that it does not emulate the PSCI 1.0
> specs correctly (it does not even consider PSCI 1.0 functions proper PSCI
> calls), I tested it and I think we should update Qemu as we
> did with KVM kernel code instead of working around it by dodging the
> problem in the PSCI implementation by adding code that checks the
> PSCI version before issuing the PSCI calls through the respective
> conduit.
>
> Thoughts appreciated.
I think we really cannot break existing qemu installations, but need
a way to detect whether we are dealing with a broken qemu (and warn
about that) or with a working PSCI implementation.
Fixing qemu is of course a good idea, but it's not sufficient.
Arnd
next prev parent reply other threads:[~2015-10-23 10:55 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-08 17:16 [PATCH v2 0/5] drivers: firmware: psci: add basic v1.0 support Lorenzo Pieralisi
2015-07-08 17:16 ` [PATCH v2 1/5] drivers: firmware: psci: add INVALID_ADDRESS return value Lorenzo Pieralisi
2015-07-08 17:16 ` [PATCH v2 2/5] drivers: firmware: psci: move power_state handling to generic code Lorenzo Pieralisi
2015-07-09 13:39 ` Catalin Marinas
2015-07-08 17:16 ` [PATCH v2 3/5] drivers: firmware: psci: add PSCI_FEATURES call Lorenzo Pieralisi
2015-07-08 17:16 ` [PATCH v2 4/5] drivers: firmware: psci: add extended stateid power_state support Lorenzo Pieralisi
2015-10-22 22:07 ` Kevin Hilman
2015-10-23 10:23 ` Arnd Bergmann
2015-10-23 10:44 ` Lorenzo Pieralisi
2015-10-23 10:55 ` Arnd Bergmann [this message]
2015-10-23 11:36 ` Lorenzo Pieralisi
2015-10-23 15:10 ` Kevin Hilman
2015-10-26 10:05 ` Lorenzo Pieralisi
2015-07-08 17:16 ` [PATCH v2 5/5] drivers: firmware: psci: add PSCI v1.0 DT bindings Lorenzo Pieralisi
2015-10-05 11:48 ` Andre Przywara
2015-10-05 12:06 ` Mark Rutland
2015-10-05 12:11 ` Lorenzo Pieralisi
2015-09-14 13:35 ` [PATCH v2 0/5] drivers: firmware: psci: add basic v1.0 support Lorenzo Pieralisi
2015-09-15 3:23 ` Jisheng Zhang
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=7012327.dvizHt4W5S@wuerfel \
--to=arnd@arndb.de \
--cc=linux-arm-kernel@lists.infradead.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.