6.6-stable review patch. If anyone has any objections, please let me know.
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From: Madhavan Srinivasan maddy@linux.ibm.com
[ Upstream commit 88688a2c8ac6c8036d983ad8b34ce191c46a10aa ]
When compiling for pseries or powernv defconfig with "make C=1", these warning were reported bu sparse tool in powerpc/kernel/kvm.c
arch/powerpc/kernel/kvm.c:635:9: warning: switch with no cases arch/powerpc/kernel/kvm.c:646:9: warning: switch with no cases
Currently #ifdef were added after the switch case which are specific for BOOKE and PPC_BOOK3S_32. These are not enabled in pseries/powernv defconfig. Fix it by moving the #ifdef before switch(){}
Fixes: cbe487fac7fc0 ("KVM: PPC: Add mtsrin PV code") Tested-by: Venkat Rao Bagalkote venkat88@linux.ibm.com Signed-off-by: Madhavan Srinivasan maddy@linux.ibm.com Link: https://patch.msgid.link/20250518044107.39928-1-maddy@linux.ibm.com Signed-off-by: Sasha Levin sashal@kernel.org --- arch/powerpc/kernel/kvm.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/kernel/kvm.c b/arch/powerpc/kernel/kvm.c index 5b3c093611baf..7209d00a9c257 100644 --- a/arch/powerpc/kernel/kvm.c +++ b/arch/powerpc/kernel/kvm.c @@ -632,19 +632,19 @@ static void __init kvm_check_ins(u32 *inst, u32 features) #endif }
- switch (inst_no_rt & ~KVM_MASK_RB) { #ifdef CONFIG_PPC_BOOK3S_32 + switch (inst_no_rt & ~KVM_MASK_RB) { case KVM_INST_MTSRIN: if (features & KVM_MAGIC_FEAT_SR) { u32 inst_rb = _inst & KVM_MASK_RB; kvm_patch_ins_mtsrin(inst, inst_rt, inst_rb); } break; -#endif } +#endif
- switch (_inst) { #ifdef CONFIG_BOOKE + switch (_inst) { case KVM_INST_WRTEEI_0: kvm_patch_ins_wrteei_0(inst); break; @@ -652,8 +652,8 @@ static void __init kvm_check_ins(u32 *inst, u32 features) case KVM_INST_WRTEEI_1: kvm_patch_ins_wrtee(inst, 0, 1); break; -#endif } +#endif }
extern u32 kvm_template_start[];