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KVM: PPC: Book3S HV P9: Move SPRG restore to restore_p9_host_os_sprs

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Move the SPR update into its relevant helper function. This will
help with SPR scheduling improvements in later changes.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211123095231.1036501-19-npiggin@gmail.com
This commit is contained in:
Nicholas Piggin
2021-11-23 19:51:56 +10:00
committed by Michael Ellerman
parent a1a19e1154
commit 174a3ab633
1 changed files with 2 additions and 2 deletions
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arch/powerpc/kvm/book3s_hv.c
+2 -2
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@@ -4106,6 +4106,8 @@ static void save_p9_host_os_sprs(struct p9_host_os_sprs *host_os_sprs)
static void restore_p9_host_os_sprs(struct kvm_vcpu *vcpu,
struct p9_host_os_sprs *host_os_sprs)
{
mtspr(SPRN_SPRG_VDSO_WRITE, local_paca->sprg_vdso);
mtspr(SPRN_PSPB, 0);
mtspr(SPRN_UAMOR, 0);
@@ -4306,8 +4308,6 @@ static int kvmhv_p9_guest_entry(struct kvm_vcpu *vcpu, u64 time_limit,
timer_rearm_host_dec(tb);
mtspr(SPRN_SPRG_VDSO_WRITE, local_paca->sprg_vdso);
kvmppc_subcore_exit_guest();
return trap;