From: christoffer.dall@linaro.org (Christoffer Dall)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 3/3] arm64: Allow 48-bits VA space without ARM_SMMU
Date: Fri, 10 Oct 2014 23:03:02 +0200 [thread overview]
Message-ID: <20141010210302.GD3717@cbox> (raw)
In-Reply-To: <20141010151053.GC7758@e104818-lin.cambridge.arm.com>
On Fri, Oct 10, 2014 at 04:10:53PM +0100, Catalin Marinas wrote:
> On Fri, Oct 10, 2014 at 11:14:30AM +0100, Christoffer Dall wrote:
> > Now when KVM has been reworked to support 48-bits host VA space, we can
> > allow systems to be configured with this option. However, the ARM SMMU
> > driver also needs to be tweaked for 48-bit support so only allow the
> > config option to be set when not including support for theSMMU.
> >
> > Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
> > ---
> > arch/arm64/Kconfig | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> > index fd4e81a..a76c6c3b 100644
> > --- a/arch/arm64/Kconfig
> > +++ b/arch/arm64/Kconfig
> > @@ -200,7 +200,7 @@ config ARM64_VA_BITS_42
> >
> > config ARM64_VA_BITS_48
> > bool "48-bit"
> > - depends on BROKEN
> > + depends on !ARM_SMMU
> >
> > endchoice
>
> I think we should rather merge this separately via the arm64 tree once
> we test 48-bit VA some more (and as you noticed, there is a bug
> already).
>
Sounds like a good idea, I'll apply the other two to kvmarm.
Thanks for the reviews!
-Christoffer
prev parent reply other threads:[~2014-10-10 21:03 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-10 10:14 [PATCH v3 0/3] arm/arm64: KVM: Host 48-bit VA support and IPA limits Christoffer Dall
2014-10-10 10:14 ` [PATCH v3 1/3] arm64: KVM: Implement 48 VA support for KVM EL2 and Stage-2 Christoffer Dall
2014-10-10 15:09 ` Catalin Marinas
2014-10-11 8:56 ` Marc Zyngier
2014-10-10 10:14 ` [PATCH v3 2/3] arm/arm64: KVM: Ensure memslots are within KVM_PHYS_SIZE Christoffer Dall
2014-10-10 15:09 ` Catalin Marinas
2014-10-11 9:01 ` Marc Zyngier
2014-10-10 10:14 ` [PATCH v3 3/3] arm64: Allow 48-bits VA space without ARM_SMMU Christoffer Dall
2014-10-10 15:10 ` Catalin Marinas
2014-10-10 21:03 ` Christoffer Dall [this message]
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=20141010210302.GD3717@cbox \
--to=christoffer.dall@linaro.org \
--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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).