From: Alexander Graf <agraf@suse.de>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>,
paulus@samba.org, kvm@vger.kernel.org, kvm-ppc@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] powerpc/kvm: support to handle sw breakpoint
Date: Tue, 17 Jun 2014 09:25:01 +0000 [thread overview]
Message-ID: <53A0096D.3020108@suse.de> (raw)
In-Reply-To: <1402996939.7661.126.camel@pasglop>
On 17.06.14 11:22, Benjamin Herrenschmidt wrote:
> On Tue, 2014-06-17 at 10:54 +0200, Alexander Graf wrote:
>> Also, why don't we use twi always or something else that actually is
>> defined as illegal instruction? I would like to see this shared with
>> book3s_32 PR.
> twi will be directed to the guest on HV no ? We want a real illegal
> because those go to the host (for potential emulation by the HV).
Ah, good point. I guess we need different one for PR and HV then to
ensure compatibility with older ISAs on PR.
Alex
> I'm
> trying to see if I can get the architect to set one in stone in a future
> proof way.
>
> Cheers,
> Ben.
>
WARNING: multiple messages have this Message-ID (diff)
From: Alexander Graf <agraf@suse.de>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev@lists.ozlabs.org,
Madhavan Srinivasan <maddy@linux.vnet.ibm.com>,
paulus@samba.org, kvm-ppc@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: [PATCH] powerpc/kvm: support to handle sw breakpoint
Date: Tue, 17 Jun 2014 11:25:01 +0200 [thread overview]
Message-ID: <53A0096D.3020108@suse.de> (raw)
In-Reply-To: <1402996939.7661.126.camel@pasglop>
On 17.06.14 11:22, Benjamin Herrenschmidt wrote:
> On Tue, 2014-06-17 at 10:54 +0200, Alexander Graf wrote:
>> Also, why don't we use twi always or something else that actually is
>> defined as illegal instruction? I would like to see this shared with
>> book3s_32 PR.
> twi will be directed to the guest on HV no ? We want a real illegal
> because those go to the host (for potential emulation by the HV).
Ah, good point. I guess we need different one for PR and HV then to
ensure compatibility with older ISAs on PR.
Alex
> I'm
> trying to see if I can get the architect to set one in stone in a future
> proof way.
>
> Cheers,
> Ben.
>
WARNING: multiple messages have this Message-ID (diff)
From: Alexander Graf <agraf@suse.de>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>,
paulus@samba.org, kvm@vger.kernel.org, kvm-ppc@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] powerpc/kvm: support to handle sw breakpoint
Date: Tue, 17 Jun 2014 11:25:01 +0200 [thread overview]
Message-ID: <53A0096D.3020108@suse.de> (raw)
In-Reply-To: <1402996939.7661.126.camel@pasglop>
On 17.06.14 11:22, Benjamin Herrenschmidt wrote:
> On Tue, 2014-06-17 at 10:54 +0200, Alexander Graf wrote:
>> Also, why don't we use twi always or something else that actually is
>> defined as illegal instruction? I would like to see this shared with
>> book3s_32 PR.
> twi will be directed to the guest on HV no ? We want a real illegal
> because those go to the host (for potential emulation by the HV).
Ah, good point. I guess we need different one for PR and HV then to
ensure compatibility with older ISAs on PR.
Alex
> I'm
> trying to see if I can get the architect to set one in stone in a future
> proof way.
>
> Cheers,
> Ben.
>
next prev parent reply other threads:[~2014-06-17 9:25 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-14 21:08 [PATCH] powerpc/kvm: support to handle sw breakpoint Madhavan Srinivasan
2014-06-14 21:20 ` Madhavan Srinivasan
2014-06-14 21:08 ` Madhavan Srinivasan
2014-06-17 8:54 ` Alexander Graf
2014-06-17 8:54 ` Alexander Graf
2014-06-17 8:54 ` Alexander Graf
2014-06-17 9:22 ` Benjamin Herrenschmidt
2014-06-17 9:22 ` Benjamin Herrenschmidt
2014-06-17 9:22 ` Benjamin Herrenschmidt
2014-06-17 9:25 ` Alexander Graf [this message]
2014-06-17 9:25 ` Alexander Graf
2014-06-17 9:25 ` Alexander Graf
2014-06-17 9:32 ` Benjamin Herrenschmidt
2014-06-17 9:32 ` Benjamin Herrenschmidt
2014-06-17 9:32 ` Benjamin Herrenschmidt
2014-06-17 9:43 ` Alexander Graf
2014-06-17 9:43 ` Alexander Graf
2014-06-17 9:43 ` Alexander Graf
2014-06-17 11:20 ` Madhavan Srinivasan
2014-06-17 11:32 ` Madhavan Srinivasan
2014-06-17 11:20 ` Madhavan Srinivasan
2014-06-17 11:31 ` Alexander Graf
2014-06-17 11:31 ` Alexander Graf
2014-06-17 11:31 ` Alexander Graf
2014-06-17 10:51 ` Madhavan Srinivasan
2014-06-17 10:51 ` Madhavan Srinivasan
2014-06-17 10:51 ` Madhavan Srinivasan
2014-06-17 11:07 ` Madhavan Srinivasan
2014-06-17 11:19 ` Madhavan Srinivasan
2014-06-17 11:07 ` Madhavan Srinivasan
2014-06-17 11:08 ` Alexander Graf
2014-06-17 11:08 ` Alexander Graf
2014-06-17 11:08 ` Alexander Graf
2014-06-17 11:13 ` Madhavan Srinivasan
2014-06-17 11:25 ` Madhavan Srinivasan
2014-06-17 11:13 ` Madhavan Srinivasan
2014-06-17 14:42 ` Alexander Graf
2014-06-17 14:42 ` Alexander Graf
2014-06-17 14:42 ` Alexander Graf
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=53A0096D.3020108@suse.de \
--to=agraf@suse.de \
--cc=benh@kernel.crashing.org \
--cc=kvm-ppc@vger.kernel.org \
--cc=kvm@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=maddy@linux.vnet.ibm.com \
--cc=paulus@samba.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.