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From: Scott Wood <scottwood@freescale.com>
To: Mihai Caraman <mihai.caraman@freescale.com>
Cc: linuxppc-dev@lists.ozlabs.org, kvm-ppc@vger.kernel.org,
	kvm@vger.kernel.org, Mihai Caraman <mihai.caraman@freescale.com>
Subject: Re: [PATCH 1/2] powerpc/booke64: Add LRAT error exception handler
Date: Wed, 03 Jul 2013 20:18:12 +0000	[thread overview]
Message-ID: <1372882692.8183.150@snotra> (raw)
In-Reply-To: <1372870566-11299-1-git-send-email-mihai.caraman@freescale.com> (from mihai.caraman@freescale.com on Wed Jul  3 11:56:05 2013)

On 07/03/2013 11:56:05 AM, Mihai Caraman wrote:
> @@ -1410,6 +1423,7 @@ _GLOBAL(setup_doorbell_ivors)
>  _GLOBAL(setup_ehv_ivors)
>  	SET_IVOR(40, 0x300) /* Embedded Hypervisor System Call */
>  	SET_IVOR(41, 0x320) /* Embedded Hypervisor Privilege */
> +	SET_IVOR(42, 0x340) /* LRAT Error */

What happens if we write to IVOR42 on e5500?  If the answer is no-op,  
is that behavior guaranteed on any CPU with E.HV but not LRAT?

-Scott

WARNING: multiple messages have this Message-ID (diff)
From: Scott Wood <scottwood@freescale.com>
To: Mihai Caraman <mihai.caraman@freescale.com>
Cc: Mihai Caraman <mihai.caraman@freescale.com>,
	linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org,
	kvm-ppc@vger.kernel.org
Subject: Re: [PATCH 1/2] powerpc/booke64: Add LRAT error exception handler
Date: Wed, 3 Jul 2013 15:18:12 -0500	[thread overview]
Message-ID: <1372882692.8183.150@snotra> (raw)
In-Reply-To: <1372870566-11299-1-git-send-email-mihai.caraman@freescale.com> (from mihai.caraman@freescale.com on Wed Jul  3 11:56:05 2013)

On 07/03/2013 11:56:05 AM, Mihai Caraman wrote:
> @@ -1410,6 +1423,7 @@ _GLOBAL(setup_doorbell_ivors)
>  _GLOBAL(setup_ehv_ivors)
>  	SET_IVOR(40, 0x300) /* Embedded Hypervisor System Call */
>  	SET_IVOR(41, 0x320) /* Embedded Hypervisor Privilege */
> +	SET_IVOR(42, 0x340) /* LRAT Error */

What happens if we write to IVOR42 on e5500?  If the answer is no-op, =20
is that behavior guaranteed on any CPU with E.HV but not LRAT?

-Scott=

WARNING: multiple messages have this Message-ID (diff)
From: Scott Wood <scottwood@freescale.com>
To: Mihai Caraman <mihai.caraman@freescale.com>
Cc: <linuxppc-dev@lists.ozlabs.org>, <kvm-ppc@vger.kernel.org>,
	<kvm@vger.kernel.org>,
	Mihai Caraman <mihai.caraman@freescale.com>
Subject: Re: [PATCH 1/2] powerpc/booke64: Add LRAT error exception handler
Date: Wed, 3 Jul 2013 15:18:12 -0500	[thread overview]
Message-ID: <1372882692.8183.150@snotra> (raw)
In-Reply-To: <1372870566-11299-1-git-send-email-mihai.caraman@freescale.com> (from mihai.caraman@freescale.com on Wed Jul  3 11:56:05 2013)

On 07/03/2013 11:56:05 AM, Mihai Caraman wrote:
> @@ -1410,6 +1423,7 @@ _GLOBAL(setup_doorbell_ivors)
>  _GLOBAL(setup_ehv_ivors)
>  	SET_IVOR(40, 0x300) /* Embedded Hypervisor System Call */
>  	SET_IVOR(41, 0x320) /* Embedded Hypervisor Privilege */
> +	SET_IVOR(42, 0x340) /* LRAT Error */

What happens if we write to IVOR42 on e5500?  If the answer is no-op,  
is that behavior guaranteed on any CPU with E.HV but not LRAT?

-Scott

  parent reply	other threads:[~2013-07-03 20:18 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-03 16:56 [PATCH 1/2] powerpc/booke64: Add LRAT error exception handler Mihai Caraman
2013-07-03 16:56 ` Mihai Caraman
2013-07-03 16:56 ` Mihai Caraman
2013-07-03 16:56 ` [PATCH 2/2] KVM: PPC: Book3E: " Mihai Caraman
2013-07-03 16:56   ` Mihai Caraman
2013-07-03 16:56   ` Mihai Caraman
2013-07-03 20:16   ` Scott Wood
2013-07-03 20:16     ` Scott Wood
2013-07-03 20:16     ` Scott Wood
2013-07-03 21:42     ` Alexander Graf
2013-07-03 21:42       ` Alexander Graf
2013-07-03 21:42       ` Alexander Graf
2013-07-03 21:52       ` Scott Wood
2013-07-03 21:52         ` Scott Wood
2013-07-03 21:52         ` Scott Wood
2013-07-04  6:47     ` Caraman Mihai Claudiu-B02008
2013-07-04  6:47       ` Caraman Mihai Claudiu-B02008
2013-07-04  6:47       ` Caraman Mihai Claudiu-B02008
2013-07-04  6:57       ` Benjamin Herrenschmidt
2013-07-04  6:57         ` Benjamin Herrenschmidt
2013-07-04  6:57         ` Benjamin Herrenschmidt
2013-07-03 20:18 ` Scott Wood [this message]
2013-07-03 20:18   ` [PATCH 1/2] powerpc/booke64: " Scott Wood
2013-07-03 20:18   ` Scott Wood
2013-07-04  6:34   ` Caraman Mihai Claudiu-B02008
2013-07-04  6:34     ` Caraman Mihai Claudiu-B02008
2013-07-04  6:34     ` Caraman Mihai Claudiu-B02008

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