From: Andi Kleen <andi@firstfloor.org>
To: Andrea Arcangeli <andrea@qumranet.com>
Cc: Andi Kleen <andi@firstfloor.org>,
benami@il.ibm.com, Avi Kivity <avi@qumranet.com>,
Andrew Morton <akpm@linux-foundation.org>,
amit.shah@qumranet.com, kvm@vger.kernel.org, aliguori@us.ibm.com,
allen.m.kay@intel.com, muli@il.ibm.com, linux-mm@kvack.org,
tglx@linutronix.de, mingo@elte.hu
Subject: Re: [PATCH] reserved-ram for pci-passthrough without VT-d capable hardware
Date: Tue, 29 Jul 2008 15:17:35 +0200 [thread overview]
Message-ID: <20080729131735.GM30344@one.firstfloor.org> (raw)
In-Reply-To: <20080729125312.GL11494@duo.random>
> I'm not so interested to go there right now, because while this code
> is useful right now because the majority of systems out there lacks
> VT-d/iommu, I suspect this code could be nuked in the long
> run when all systems will ship with that, which is why I kept it all
Actually at least on Intel platforms and if you exclude the lowest end
VT-d is shipping universally for quite some time now. If you
buy a Intel box today or bought it in the last year the chances are pretty
high that it has VT-d support.
> under #ifdef, and the changes to the other files outside ifdef are
> bugfixes needed if you want to kexec-relocate above 40m or so that
> should be kept.
You should split that out then into a separate patch.
-Andi
WARNING: multiple messages have this Message-ID (diff)
From: Andi Kleen <andi@firstfloor.org>
To: Andrea Arcangeli <andrea@qumranet.com>
Cc: Andi Kleen <andi@firstfloor.org>,
benami@il.ibm.com, Avi Kivity <avi@qumranet.com>,
Andrew Morton <akpm@linux-foundation.org>,
amit.shah@qumranet.com, kvm@vger.kernel.org, aliguori@us.ibm.com,
allen.m.kay@intel.com, muli@il.ibm.com, linux-mm@kvack.org,
tglx@linutronix.de, mingo@elte.hu
Subject: Re: [PATCH] reserved-ram for pci-passthrough without VT-d capable hardware
Date: Tue, 29 Jul 2008 15:17:35 +0200 [thread overview]
Message-ID: <20080729131735.GM30344@one.firstfloor.org> (raw)
In-Reply-To: <20080729125312.GL11494@duo.random>
> I'm not so interested to go there right now, because while this code
> is useful right now because the majority of systems out there lacks
> VT-d/iommu, I suspect this code could be nuked in the long
> run when all systems will ship with that, which is why I kept it all
Actually at least on Intel platforms and if you exclude the lowest end
VT-d is shipping universally for quite some time now. If you
buy a Intel box today or bought it in the last year the chances are pretty
high that it has VT-d support.
> under #ifdef, and the changes to the other files outside ifdef are
> bugfixes needed if you want to kexec-relocate above 40m or so that
> should be kept.
You should split that out then into a separate patch.
-Andi
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next prev parent reply other threads:[~2008-07-29 13:17 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-23 14:52 KVM: PCIPT: direct mmio pfn check benami
2008-06-23 14:52 ` [PATCH] " benami
2008-06-25 0:57 ` Andrea Arcangeli
2008-06-25 1:18 ` [PATCH] reserved-ram for pci-passthrough without VT-d capable hardware Andrea Arcangeli
2008-06-25 1:18 ` Andrea Arcangeli, Andrea Arcangeli
2008-06-25 1:28 ` [PATCH] reserved-ram kvm-userland patch Andrea Arcangeli
2008-07-29 12:11 ` [PATCH] reserved-ram for pci-passthrough without VT-d capable hardware Andrea Arcangeli
2008-07-29 12:11 ` Andrea Arcangeli, Andrea Arcangeli
2008-07-29 12:43 ` Andi Kleen
2008-07-29 12:43 ` Andi Kleen
2008-07-29 12:53 ` Andrea Arcangeli
2008-07-29 12:53 ` Andrea Arcangeli
2008-07-29 13:17 ` Andi Kleen [this message]
2008-07-29 13:17 ` Andi Kleen
2008-07-30 6:20 ` Amit Shah
2008-07-30 6:20 ` Amit Shah
2008-07-30 12:27 ` Andi Kleen
2008-07-30 12:27 ` Andi Kleen
2008-07-30 13:58 ` Andrea Arcangeli
2008-07-30 13:58 ` Andrea Arcangeli
2008-07-30 14:16 ` Dor Laor
2008-07-30 14:16 ` Dor Laor
2008-07-30 14:38 ` Andrea Arcangeli
2008-07-30 14:38 ` Andrea Arcangeli
2008-07-30 14:22 ` FUJITA Tomonori
2008-07-30 14:22 ` FUJITA Tomonori
-- strict thread matches above, loose matches on Subject: below --
2009-04-27 17:00 Passera, Pablo R
2009-04-27 17:43 ` Andrea Arcangeli
2009-04-28 13:35 ` Passera, Pablo R
2009-04-28 18:06 ` Andrea Arcangeli
2009-05-05 19:53 ` Passera, Pablo R
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