From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Alexey Kardashevskiy <aik@ozlabs.ru>,
Alexander Graf <agraf@suse.de>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"qemu-ppc@nongnu.org" <qemu-ppc@nongnu.org>,
Paul Mackerras <paulus@samba.org>,
David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [Qemu-devel] [PATCH] powerpc iommu: enable multiple TCE requests
Date: Tue, 20 Aug 2013 19:26:36 +1000 [thread overview]
Message-ID: <1376990796.25016.140.camel@pasglop> (raw)
In-Reply-To: <5213353E.6080004@redhat.com>
On Tue, 2013-08-20 at 11:22 +0200, Paolo Bonzini wrote:
>
> Uhm... I thought Alex and I were the one who proposed the simple things.
> You _will_ need to do the complicated stuff sooner or later, but it's
> probably early enough now to ignore it.
>
> And I'm not saying this out of love for big cathedrals, but out of
> lessons we learned the hard way for x86 (where we haven't gotten
> everything right yet, either).
I suppose if RH is going to deploy 3.10 and we aren't going to backport
the multitce patches then there *might* be a case for supporting that
combo specifically... but it's going to be that bad every time we add
a new feature with a kernel counter part or start adding the gazillion
little bits of PAPR that we are still missing ?
Ben.
next prev parent reply other threads:[~2013-08-20 9:27 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-07 8:08 [Qemu-devel] [PATCH] powerpc iommu: enable multiple TCE requests Alexey Kardashevskiy
2013-08-16 9:49 ` Alexey Kardashevskiy
2013-08-18 15:22 ` Paolo Bonzini
2013-08-19 7:30 ` Alexey Kardashevskiy
2013-08-19 8:01 ` Alexander Graf
2013-08-19 8:44 ` Alexey Kardashevskiy
2013-08-19 9:47 ` Paolo Bonzini
2013-08-20 1:36 ` Alexey Kardashevskiy
2013-08-20 6:55 ` Alexander Graf
2013-08-20 8:39 ` Paolo Bonzini
2013-08-20 8:49 ` Alexey Kardashevskiy
2013-08-20 9:09 ` Paolo Bonzini
2013-08-20 9:13 ` Benjamin Herrenschmidt
2013-08-20 9:15 ` Paolo Bonzini
2013-08-20 9:20 ` Benjamin Herrenschmidt
2013-08-20 9:22 ` Paolo Bonzini
2013-08-20 9:26 ` Benjamin Herrenschmidt [this message]
2013-08-20 10:14 ` Paolo Bonzini
2013-08-20 11:38 ` Benjamin Herrenschmidt
2013-08-21 7:11 ` Alexander Graf
2013-08-21 7:29 ` [Qemu-devel] [Qemu-ppc] " Alexander Graf
2013-08-16 13:15 ` [Qemu-devel] " Alexander Graf
2013-08-19 9:01 ` Alexey Kardashevskiy
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