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KVM: PPC: Kconfig: Enable CONFIG_VPA_PMU with KVM

Message ID 20250417121727.267280-1-gautam@linux.ibm.com (mailing list archive)
State New
Headers show
Series KVM: PPC: Kconfig: Enable CONFIG_VPA_PMU with KVM | expand

Commit Message

Gautam Menghani April 17, 2025, 12:17 p.m. UTC 
Enable CONFIG_VPA_PMU with KVM to enable its usage. Currently, the
vpa-pmu driver cannot be used since it is not enabled in distro configs.

On fedora kernel 6.13.7, the config option is disabled:
$ cat /boot/config-6.13.7-200.fc41.ppc64le | grep VPA
 # CONFIG_VPA_PMU is not set

Fixes: 176cda0619b6c ("powerpc/perf: Add perf interface to expose vpa counters")
Cc: stable@vger.kernel.org # v6.13+
Signed-off-by: Gautam Menghani <gautam@linux.ibm.com>
---
 arch/powerpc/kvm/Kconfig | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig
index dbfdc126bf14..209627e57d07 100644
--- a/arch/powerpc/kvm/Kconfig
+++ b/arch/powerpc/kvm/Kconfig
@@ -84,6 +84,7 @@  config KVM_BOOK3S_64_HV
 	select KVM_BOOK3S_HV_POSSIBLE
 	select KVM_GENERIC_MMU_NOTIFIER
 	select CMA
+	select VPA_PMU if HV_PERF_CTRS
 	help
 	  Support running unmodified book3s_64 guest kernels in
 	  virtual machines on POWER7 and newer processors that have