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From: Paul Mackerras <paulus@ozlabs•org>
To: Claudio Carvalho <cclaudio@linux•ibm.com>
Cc: Madhavan Srinivasan <maddy@linux•vnet.ibm.com>,
	Michael Anderson <andmike@linux•ibm.com>,
	Ram Pai <linuxram@us•ibm.com>,
	kvm-ppc@vger•kernel.org, Bharata B Rao <bharata@linux•ibm.com>,
	linuxppc-dev@ozlabs•org,
	Sukadev Bhattiprolu <sukadev@linux•vnet.ibm.com>,
	Thiago Bauermann <bauermann@linux•ibm.com>,
	Anshuman Khandual <khandual@linux•vnet.ibm.com>
Subject: Re: [PATCH v3 4/9] KVM: PPC: Ultravisor: Add generic ultravisor call handler
Date: Sat, 15 Jun 2019 17:37:24 +1000	[thread overview]
Message-ID: <20190615073724.GB24709@blackberry> (raw)
In-Reply-To: <20190606173614.32090-5-cclaudio@linux.ibm.com>

On Thu, Jun 06, 2019 at 02:36:09PM -0300, Claudio Carvalho wrote:
> From: Ram Pai <linuxram@us•ibm.com>
> 
> Add the ucall() function, which can be used to make ultravisor calls
> with varied number of in and out arguments. Ultravisor calls can be made
> from the host or guests.
> 
> This copies the implementation of plpar_hcall().

Again, we will want all of this on every powernv-capable kernel, since
they will all need to do UV_WRITE_PATE, even if they have no other
support for the ultravisor.

Paul.

  reply	other threads:[~2019-06-15  7:41 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-06 17:36 [PATCH v3 0/9] kvmppc: Paravirtualize KVM to support ultravisor Claudio Carvalho
2019-06-06 17:36 ` [PATCH v3 1/9] KVM: PPC: Ultravisor: Add PPC_UV config option Claudio Carvalho
2019-06-07 20:11   ` Leonardo Bras
2019-06-10 12:18     ` Claudio Carvalho
2019-06-06 17:36 ` [PATCH v3 2/9] KVM: PPC: Ultravisor: Introduce the MSR_S bit Claudio Carvalho
2019-06-06 17:36 ` [PATCH v3 3/9] powerpc: Introduce FW_FEATURE_ULTRAVISOR Claudio Carvalho
2019-06-15  7:36   ` Paul Mackerras
2019-07-01 14:12     ` Claudio Carvalho
2019-06-06 17:36 ` [PATCH v3 4/9] KVM: PPC: Ultravisor: Add generic ultravisor call handler Claudio Carvalho
2019-06-15  7:37   ` Paul Mackerras [this message]
2019-06-17  2:06   ` Paul Mackerras
2019-06-17 23:51     ` Ram Pai
2019-06-18 11:47     ` Segher Boessenkool
2019-06-18 15:25       ` Ram Pai
2019-06-06 17:36 ` [PATCH v3 5/9] KVM: PPC: Ultravisor: Use UV_WRITE_PATE ucall to register a PATE Claudio Carvalho
2019-06-15  7:38   ` Paul Mackerras
2019-06-06 17:36 ` [PATCH v3 6/9] KVM: PPC: Ultravisor: Restrict flush of the partition tlb cache Claudio Carvalho
2019-06-06 19:39   ` Murilo Opsfelder Araújo
2019-06-06 21:55     ` Paul Mackerras
2019-06-06 17:36 ` [PATCH v3 7/9] KVM: PPC: Ultravisor: Restrict LDBAR access Claudio Carvalho
2019-06-07  4:48   ` Madhavan Srinivasan
2019-06-07 12:34     ` Claudio Carvalho
2019-06-15  7:43   ` Paul Mackerras
2019-06-16  1:10     ` Ram Pai
2019-06-06 17:36 ` [PATCH v3 8/9] KVM: PPC: Ultravisor: Enter a secure guest Claudio Carvalho
2019-06-15  7:45   ` Paul Mackerras
2019-06-06 17:36 ` [PATCH v3 9/9] KVM: PPC: Ultravisor: Check for MSR_S during hv_reset_msr Claudio Carvalho
2019-06-15  7:47   ` Paul Mackerras

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