From: Gautam Menghani <gautam@linux.ibm.com>
To: maddy@linux.ibm.com, mpe@ellerman.id.au, npiggin@gmail.com,
chleroy@kernel.org
Cc: Gautam Menghani <gautam@linux.ibm.com>,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
atrajeev@linux.ibm.com, harshpb@linux.ibm.com,
stable@vger.kernel.org, Sean Christopherson <seanjc@google.com>
Subject: [PATCH v3] powerpc/pseries/Kconfig: Enable CONFIG_VPA_PMU to be used with KVM
Date: Fri, 29 May 2026 19:40:31 +0530 [thread overview]
Message-ID: <20260529141032.69559-1-gautam@linux.ibm.com> (raw)
Currently, CONFIG_VPA_PMU is not enabled any of the configs, and
consequently cannot be used for KVM guests at all.
Mark CONFIG_VPA_PMU as "default m" to ensure it is available when KVM is
being used.
Fixes: 176cda0619b6c ("powerpc/perf: Add perf interface to expose vpa counters")
Cc: stable@vger.kernel.org # v6.13+
Suggested-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Gautam Menghani <gautam@linux.ibm.com>
---
v2 -> v3:
1. Make CONFIG_VPA_PMU as default m so that it can separately disabled
(Sean)
v1 -> v2:
1. Rebased on latest master
arch/powerpc/platforms/pseries/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig
index f7052b131a4c..74910ce3a541 100644
--- a/arch/powerpc/platforms/pseries/Kconfig
+++ b/arch/powerpc/platforms/pseries/Kconfig
@@ -154,6 +154,7 @@ config HV_PERF_CTRS
config VPA_PMU
tristate "VPA PMU events"
depends on KVM_BOOK3S_64_HV && HV_PERF_CTRS
+ default m
help
Enable access to the VPA PMU counters via perf. This enables
code that support measurement for KVM on PowerVM(KoP) feature.
--
2.53.0
next reply other threads:[~2026-05-29 14:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-29 14:10 Gautam Menghani [this message]
2026-05-31 16:49 ` [PATCH v3] powerpc/pseries/Kconfig: Enable CONFIG_VPA_PMU to be used with KVM Harsh Prateek Bora
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=20260529141032.69559-1-gautam@linux.ibm.com \
--to=gautam@linux.ibm.com \
--cc=atrajeev@linux.ibm.com \
--cc=chleroy@kernel.org \
--cc=harshpb@linux.ibm.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=maddy@linux.ibm.com \
--cc=mpe@ellerman.id.au \
--cc=npiggin@gmail.com \
--cc=seanjc@google.com \
--cc=stable@vger.kernel.org \
/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