[PATCH v3] powerpc/pseries/Kconfig: Enable CONFIG_VPA_PMU to be used with KVM
From: Gautam Menghani
Date: Fri May 29 2026 - 10:17:37 EST
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@xxxxxxxxxxxxxxx # v6.13+
Suggested-by: Sean Christopherson <seanjc@xxxxxxxxxx>
Signed-off-by: Gautam Menghani <gautam@xxxxxxxxxxxxx>
---
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