Thread (94 messages) 94 messages, 5 authors, 2021-04-02

[PATCH v4 05/46] KVM: PPC: Book3S HV: Remove redundant mtspr PSPB

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STALE2023d SUPERSEDED: 1 (0M)

From: Nicholas Piggin <npiggin@gmail.com>
Date: 2021-03-23 01:06:03
Subsystem: kernel virtual machine for powerpc (kvm/powerpc), linux for powerpc (32-bit and 64-bit), the rest · Maintainers: Madhavan Srinivasan, Linus Torvalds

Revision v4 of 8 in this series; 1 review trailer.

Revisions (8)
  1. rfc [diff vs current]
  2. v1 [diff vs current]
  3. v2 [diff vs current]
  4. v3 [diff vs current]
  5. v4 current
  6. v5 [diff vs current]
  7. v6 [diff vs current]
  8. v7 [diff vs current] 
This SPR is set to 0 twice when exiting the guest.

Suggested-by: Fabiano Rosas <redacted>
Reviewed-by: Daniel Axtens <redacted>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 arch/powerpc/kvm/book3s_hv.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 1ffb0902e779..7cfaabab2c20 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -3781,7 +3781,6 @@ static int kvmhv_p9_guest_entry(struct kvm_vcpu *vcpu, u64 time_limit,
 	mtspr(SPRN_DSCR, host_dscr);
 	mtspr(SPRN_TIDR, host_tidr);
 	mtspr(SPRN_IAMR, host_iamr);
-	mtspr(SPRN_PSPB, 0);
 
 	if (host_amr != vcpu->arch.amr)
 		mtspr(SPRN_AMR, host_amr);
-- 
2.23.0
Other recent patches touching these files
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