2021-12-20 03:03:11

by Jason Wang

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

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 <[email protected]>
---
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

2022-02-18 02:10:22

by Michael Ellerman

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

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