KVM: PPC: Book3S HV P9: Remove unused ri_set local variable
authorNicholas Piggin <npiggin@gmail.com>
Wed, 1 Dec 2021 05:21:12 +0000 (15:21 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Wed, 1 Dec 2021 23:42:40 +0000 (10:42 +1100)
ri_set is set and never used.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211201052112.2137167-1-npiggin@gmail.com
arch/powerpc/kvm/book3s_hv_p9_entry.c

index ebb4781859e293db89c486376de8351208b9f818..a28e5b3daabdfefa742cb6a900d81d21312aa85c 100644 (file)
@@ -768,7 +768,6 @@ int kvmhv_vcpu_entry_p9(struct kvm_vcpu *vcpu, u64 time_limit, unsigned long lpc
        s64 hdec, dec;
        u64 purr, spurr;
        u64 *exsave;
-       bool ri_set;
        int trap;
        unsigned long msr;
        unsigned long host_hfscr;
@@ -968,18 +967,12 @@ tm_return_to_guest:
        /* 0x2 bit for HSRR is only used by PR and P7/8 HV paths, clear it */
        trap = local_paca->kvm_hstate.scratch0 & ~0x2;
 
-       /* HSRR interrupts leave MSR[RI] unchanged, SRR interrupts clear it. */
-       ri_set = false;
-       if (likely(trap > BOOK3S_INTERRUPT_MACHINE_CHECK)) {
-               if (trap != BOOK3S_INTERRUPT_SYSCALL &&
-                               (vcpu->arch.shregs.msr & MSR_RI))
-                       ri_set = true;
+       if (likely(trap > BOOK3S_INTERRUPT_MACHINE_CHECK))
                exsave = local_paca->exgen;
-       } else if (trap == BOOK3S_INTERRUPT_SYSTEM_RESET) {
+       else if (trap == BOOK3S_INTERRUPT_SYSTEM_RESET)
                exsave = local_paca->exnmi;
-       } else { /* trap == 0x200 */
+       else /* trap == 0x200 */
                exsave = local_paca->exmc;
-       }
 
        vcpu->arch.regs.gpr[1] = local_paca->kvm_hstate.scratch1;
        vcpu->arch.regs.gpr[3] = local_paca->kvm_hstate.scratch2;