From mboxrd@z Thu Jan 1 00:00:00 1970 From: Scott Wood Date: Wed, 07 Mar 2012 23:40:53 +0000 Subject: Re: [PATCH v9 4/4] KVM: PPC: epapr: Update other hypercall invoking Message-Id: <4F57F205.2070104@freescale.com> List-Id: References: <1331161979-12759-1-git-send-email-stuart.yoder@freescale.com> <1331161979-12759-5-git-send-email-stuart.yoder@freescale.com> <376AD217-0420-4558-BA47-B5AF39C21A21@suse.de> In-Reply-To: <376AD217-0420-4558-BA47-B5AF39C21A21@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Alexander Graf Cc: Stuart Yoder , kvm-ppc@vger.kernel.org, kvm@vger.kernel.org On 03/07/2012 05:37 PM, Alexander Graf wrote: > > On 08.03.2012, at 00:12, Stuart Yoder wrote: > >> diff --git a/drivers/tty/Kconfig b/drivers/tty/Kconfig >> index f1ea59b..9ac4bc6 100644 >> --- a/drivers/tty/Kconfig >> +++ b/drivers/tty/Kconfig >> @@ -354,6 +354,7 @@ config TRACE_SINK >> config PPC_EPAPR_HV_BYTECHAN >> tristate "ePAPR hypervisor byte channel driver" >> depends on PPC >> + select EPAPR_PARAVIRT >> help >> This driver creates /dev entries for each ePAPR hypervisor byte >> channel, thereby allowing applications to communicate with byte >> diff --git a/drivers/virt/Kconfig b/drivers/virt/Kconfig >> index 2dcdbc9..99ebdde 100644 >> --- a/drivers/virt/Kconfig >> +++ b/drivers/virt/Kconfig >> @@ -15,6 +15,7 @@ if VIRT_DRIVERS >> config FSL_HV_MANAGER >> tristate "Freescale hypervisor management driver" >> depends on FSL_SOC >> + select EPAPR_PARAVIRT > > Do you maybe have older versions of topaz that don't expose a /hypervisor node for which you want to have fallback code in? Probably not that lack a /hypervisor altogether, but it's possible someone's using a Topaz that's too old to have hcall-instructions, which was added about a year and a half ago. -Scott