From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 6/6] ARM: virt: hide CONFIG_ARM_VIRT_EXT from user
Date: Fri, 11 Jan 2013 16:43:30 +0000 [thread overview]
Message-ID: <20130111164330.GA12464@mudshark.cambridge.arm.com> (raw)
In-Reply-To: <50F032F0.3070906@codeaurora.org>
On Fri, Jan 11, 2013 at 03:42:40PM +0000, Christopher Covington wrote:
> Hi Will,
Hello,
> On 01/11/2013 10:34 AM, Will Deacon wrote:
> > ARM_VIRT_EXT is a property of CPU_V7, but does not adversely affect
> > other CPUs that can be built into the same kernel image (i.e. ARMv6+).
> >
> > This patch defaults ARM_VIRT_EXT to y if CPU_V7, allowing hypervisors
> > such as KVM to make better use of the option and being able to rely
> > on hyp-mode boot support.
>
> [...]
>
> > @@ -640,11 +641,6 @@ config ARM_VIRT_EXT
> > use of this feature. Refer to Documentation/arm/Booting for
> > details.
> >
> > - It is safe to enable this option even if the kernel may not be
> > - booted in HYP mode, may not have support for the
> > - virtualization extensions, or may be booted with a
> > - non-compliant bootloader.
>
> Why take this out?
I just removed that last paragraph because it's not user-selectable anymore,
so this comment about enabling the option is redundant. I could remove all
of the help text, but we have it for some other options that are selected
automatically and it has a pointer to some documentation too.
Will
next prev parent reply other threads:[~2013-01-11 16:43 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-11 15:34 [PATCH 0/6] Random collection of hyp-boot fixes and updates Will Deacon
2013-01-11 15:34 ` [PATCH 1/6] ARM: virt: Avoid bx instruction for compatibility with <=ARMv4 Will Deacon
2013-01-11 15:34 ` [PATCH 2/6] ARM: virt: boot secondary CPUs through the right entry point Will Deacon
2013-01-11 15:34 ` [PATCH 3/6] ARM: virt: simplify __hyp_stub_install epilog Will Deacon
2013-01-11 15:34 ` [PATCH 4/6] ARM: virt: avoid clobbering lr when forcing svc mode Will Deacon
2013-01-11 15:34 ` [PATCH 5/6] ARM: virt: use PSR_N_BIT for detecting boot CPU mode mismatch Will Deacon
2013-01-11 15:34 ` [PATCH 6/6] ARM: virt: hide CONFIG_ARM_VIRT_EXT from user Will Deacon
2013-01-11 15:42 ` Christopher Covington
2013-01-11 16:43 ` Will Deacon [this message]
2013-01-11 17:22 ` Christopher Covington
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=20130111164330.GA12464@mudshark.cambridge.arm.com \
--to=will.deacon@arm.com \
--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).