[PATCH] powerpc/kvm: no need to initialise statics to 0

Subsystems: kernel virtual machine for powerpc (kvm/powerpc), linux for powerpc (32-bit and 64-bit), the rest

STALE1630d LANDED

Landed in mainline as 8e0f353a44ff on 2022-02-02.

2 messages, 2 authors, 2022-02-18 · open the first message on its own page

[PATCH] powerpc/kvm: no need to initialise statics to 0

From: Jason Wang <hidden>
Date: 2021-12-20 03:03:11

Static variables do not need to be initialised to 0, because compiler
will initialise all uninitialised statics to 0. Thus, remove the
unneeded initialization.

Signed-off-by: Jason Wang <redacted>
---
 arch/powerpc/kvm/book3s_64_mmu_host.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kvm/book3s_64_mmu_host.c b/arch/powerpc/kvm/book3s_64_mmu_host.c
index c3e31fef0be1..1ae09992c9ea 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_host.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_host.c
@@ -228,7 +228,7 @@ static struct kvmppc_sid_map *create_sid_map(struct kvm_vcpu *vcpu, u64 gvsid)
 	struct kvmppc_sid_map *map;
 	struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu);
 	u16 sid_map_mask;
-	static int backwards_map = 0;
+	static int backwards_map;
 
 	if (kvmppc_get_msr(vcpu) & MSR_PR)
 		gvsid |= VSID_PR;
-- 
2.34.1

Re: [PATCH] powerpc/kvm: no need to initialise statics to 0

From: Michael Ellerman <hidden>
Date: 2022-02-18 02:10:20

On Mon, 20 Dec 2021 11:02:43 +0800, Jason Wang wrote:
Static variables do not need to be initialised to 0, because compiler
will initialise all uninitialised statics to 0. Thus, remove the
unneeded initialization.
Applied to powerpc/topic/ppc-kvm.

[1/1] powerpc/kvm: no need to initialise statics to 0
      https://git.kernel.org/powerpc/c/8e0f353a44ff3d65d933b8c0e4fb15dc89d46617

cheers
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