From: David Gibson <david@gibson.dropbear.id.au>
To: paulus@samba.org, sjitindarsingh@gmail.com
Cc: benh@kernel.crashing.org, thuth@redhat.com, lvivier@redhat.com,
linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org,
David Gibson <david@gibson.dropbear.id.au>
Subject: [PATCHv2 11/11] powerpc/kvm: Advertise availablity of HPT resizing on KVM HV
Date: Tue, 20 Dec 2016 16:49:07 +1100 [thread overview]
Message-ID: <20161220054907.9204-12-david@gibson.dropbear.id.au> (raw)
In-Reply-To: <20161220054907.9204-1-david@gibson.dropbear.id.au>
This updates the KVM_CAP_SPAPR_RESIZE_HPT capability to advertise the
presence of in-kernel HPT resizing on KVM HV.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---
arch/powerpc/kvm/powerpc.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index efd1183..1f32235 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -605,6 +605,9 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_SPAPR_MULTITCE:
r = 1;
break;
+ case KVM_CAP_SPAPR_RESIZE_HPT:
+ r = !!hv_enabled;
+ break;
#endif
case KVM_CAP_PPC_HTM:
r = cpu_has_feature(CPU_FTR_TM_COMP) &&
--
2.9.3
next prev parent reply other threads:[~2016-12-20 5:49 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-20 5:48 [PATCHv2 00/11] KVM implementation of PAPR HPT resizing extension David Gibson
2016-12-20 5:48 ` [PATCHv2 01/11] Documentation: Correct duplicate section number in kvm/api.txt David Gibson
2016-12-20 5:48 ` [PATCHv2 02/11] powerpc/kvm: HPT resizing documentation and reserved numbers David Gibson
2016-12-20 5:48 ` [PATCHv2 03/11] powerpc/kvm: Rename kvm_alloc_hpt() for clarity David Gibson
2016-12-20 5:49 ` [PATCHv2 04/11] powerpc/kvm: Gather HPT related variables into sub-structure David Gibson
2016-12-20 5:49 ` [PATCHv2 05/11] powerpc/kvm: Don't store values derivable from HPT order David Gibson
2016-12-20 5:49 ` [PATCHv2 06/11] powerpc/kvm: Split HPT allocation from activation David Gibson
2016-12-20 5:49 ` [PATCHv2 07/11] powerpc/kvm: Allow KVM_PPC_ALLOCATE_HTAB ioctl() to change HPT size David Gibson
2016-12-20 5:49 ` [PATCHv2 08/11] powerpc/kvm: Create kvmppc_unmap_hpte_helper() David Gibson
2016-12-20 5:49 ` [PATCHv2 09/11] powerpc/kvm: Outline of KVM-HV HPT resizing implementation David Gibson
2016-12-20 5:49 ` [PATCHv2 10/11] powerpc/kvm: " David Gibson
2016-12-20 5:49 ` David Gibson [this message]
2017-01-31 22:18 ` [PATCHv2 00/11] KVM implementation of PAPR HPT resizing extension Paul Mackerras
2017-02-01 4:56 ` David Gibson
2017-02-01 5:07 ` Paul Mackerras
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20161220054907.9204-12-david@gibson.dropbear.id.au \
--to=david@gibson.dropbear.id.au \
--cc=benh@kernel.crashing.org \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=lvivier@redhat.com \
--cc=paulus@samba.org \
--cc=sjitindarsingh@gmail.com \
--cc=thuth@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).