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Re: [Qemu-devel] [Qemu-ppc] [PATCH v3 00/10] ppc: preparing pnv landing

From: Cédric Le Goater
Subject: Re: [Qemu-devel] [Qemu-ppc] [PATCH v3 00/10] ppc: preparing pnv landing
Date: Wed, 13 Apr 2016 11:15:15 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Icedove/38.7.0

On 03/22/2016 12:14 AM, David Gibson wrote:
> On Mon, Mar 21, 2016 at 01:52:30PM +0100, Cédric Le Goater wrote:
>> Hello,
>> This is a first mini-serie of patches adding support for new ppc SPRs.
>> They were taken from Ben's larger patchset adding the ppc powernv
>> platform and they should already be useful for the pseries guest
>> migration.
>> Initial patches come from :
>>      https://github.com/ozbenh/qemu/commits/powernv
>> The changes are mostly due to the rebase on Dave's 2.6 branch:
>>      https://github.com/dgibson/qemu/commits/ppc-for-2.6 ppc-for-2.6-20160316
>> A couple more are bisect and checkpatch fixes and finally some patches
>> were merge to reduce the noise.
> Applied to ppc-for-2.6, thanks.

Hello David,

I have identified this next serie of prerequisites for PowerNV that should 
not need too much discussion. When would be the right time to send them ? 

        [PATCH 01/77] ppc: Remove MMU_MODEn_SUFFIX definitions
        [PATCH 02/77] ppc: Use split I/D mmu modes to avoid flushes on
        [PATCH 03/77] ppc: Do some batching of TCG tlb flushes
        [PATCH 07/77] ppc: Add a bunch of hypervisor SPRs to Book3s
        [PATCH 09/77] ppc: Fix hreg_store_msr() so that non-HV mode cannot
        [PATCH 10/77] ppc: Fix rfi/rfid/hrfi/... emulation
        [PATCH 12/77] ppc: Better figure out if processor has HV mode
        [PATCH 13/77] ppc: tlbie, tlbia and tlbisync are HV only
        [PATCH 14/77] ppc: Change 'invalid' bit mask of tlbiel and tlbie
        [PATCH 15/77] ppc: Fix sign extension issue in mtmsr(d) emulation
        [PATCH 16/77] ppc: Get out of emulation on SMT "OR" ops
        [PATCH 17/77] ppc: Add PPC_64H instruction flag to POWER7 and POWER8

The exception model changes are rather invasive but they are complex so 
I will keep them for later and I would like to try getting the xics changes 
out of the way first. They are a pain to maintain out of the mainline tree. 
Could we follow on with xics then ? 



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