* [PATCH] RISC-V: KVM: use bitmap_zero() API
@ 2023-05-06 9:10 ` ye.xingchen
0 siblings, 0 replies; 6+ messages in thread
From: ye.xingchen @ 2023-05-06 9:10 UTC (permalink / raw)
To: anup
Cc: atishp, paul.walmsley, palmer, aou, kvm, kvm-riscv, linux-riscv,
linux-kernel
From: Ye Xingchen <ye.xingchen@zte.com.cn>
bitmap_zero() is faster than bitmap_clear(), so use bitmap_zero()
instead of bitmap_clear().
Signed-off-by: Ye Xingchen <ye.xingchen@zte.com.cn>
---
arch/riscv/kvm/tlb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/kvm/tlb.c b/arch/riscv/kvm/tlb.c
index 0e5479600695..44bc324aeeb0 100644
--- a/arch/riscv/kvm/tlb.c
+++ b/arch/riscv/kvm/tlb.c
@@ -296,7 +296,7 @@ static void make_xfence_request(struct kvm *kvm,
unsigned int actual_req = req;
DECLARE_BITMAP(vcpu_mask, KVM_MAX_VCPUS);
- bitmap_clear(vcpu_mask, 0, KVM_MAX_VCPUS);
+ bitmap_zero(vcpu_mask, KVM_MAX_VCPUS);
kvm_for_each_vcpu(i, vcpu, kvm) {
if (hbase != -1UL) {
if (vcpu->vcpu_id < hbase)
--
2.25.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH] RISC-V: KVM: use bitmap_zero() API
@ 2023-05-06 9:10 ` ye.xingchen
0 siblings, 0 replies; 6+ messages in thread
From: ye.xingchen @ 2023-05-06 9:10 UTC (permalink / raw)
To: anup
Cc: atishp, paul.walmsley, palmer, aou, kvm, kvm-riscv, linux-riscv,
linux-kernel
From: Ye Xingchen <ye.xingchen@zte.com.cn>
bitmap_zero() is faster than bitmap_clear(), so use bitmap_zero()
instead of bitmap_clear().
Signed-off-by: Ye Xingchen <ye.xingchen@zte.com.cn>
---
arch/riscv/kvm/tlb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/kvm/tlb.c b/arch/riscv/kvm/tlb.c
index 0e5479600695..44bc324aeeb0 100644
--- a/arch/riscv/kvm/tlb.c
+++ b/arch/riscv/kvm/tlb.c
@@ -296,7 +296,7 @@ static void make_xfence_request(struct kvm *kvm,
unsigned int actual_req = req;
DECLARE_BITMAP(vcpu_mask, KVM_MAX_VCPUS);
- bitmap_clear(vcpu_mask, 0, KVM_MAX_VCPUS);
+ bitmap_zero(vcpu_mask, KVM_MAX_VCPUS);
kvm_for_each_vcpu(i, vcpu, kvm) {
if (hbase != -1UL) {
if (vcpu->vcpu_id < hbase)
--
2.25.1
_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH] RISC-V: KVM: use bitmap_zero() API
2023-05-06 9:10 ` ye.xingchen
@ 2023-05-07 15:40 ` Anup Patel
-1 siblings, 0 replies; 6+ messages in thread
From: Anup Patel @ 2023-05-07 15:40 UTC (permalink / raw)
To: ye.xingchen
Cc: atishp, paul.walmsley, palmer, aou, kvm, kvm-riscv, linux-riscv,
linux-kernel
On Sat, May 6, 2023 at 2:40 PM <ye.xingchen@zte.com.cn> wrote:
>
> From: Ye Xingchen <ye.xingchen@zte.com.cn>
>
> bitmap_zero() is faster than bitmap_clear(), so use bitmap_zero()
> instead of bitmap_clear().
>
> Signed-off-by: Ye Xingchen <ye.xingchen@zte.com.cn>
Looks good to me.
Reviewed-by: Anup Patel <anup@brainfault.org>
Regards,
Anup
> ---
> arch/riscv/kvm/tlb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/riscv/kvm/tlb.c b/arch/riscv/kvm/tlb.c
> index 0e5479600695..44bc324aeeb0 100644
> --- a/arch/riscv/kvm/tlb.c
> +++ b/arch/riscv/kvm/tlb.c
> @@ -296,7 +296,7 @@ static void make_xfence_request(struct kvm *kvm,
> unsigned int actual_req = req;
> DECLARE_BITMAP(vcpu_mask, KVM_MAX_VCPUS);
>
> - bitmap_clear(vcpu_mask, 0, KVM_MAX_VCPUS);
> + bitmap_zero(vcpu_mask, KVM_MAX_VCPUS);
> kvm_for_each_vcpu(i, vcpu, kvm) {
> if (hbase != -1UL) {
> if (vcpu->vcpu_id < hbase)
> --
> 2.25.1
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] RISC-V: KVM: use bitmap_zero() API
@ 2023-05-07 15:40 ` Anup Patel
0 siblings, 0 replies; 6+ messages in thread
From: Anup Patel @ 2023-05-07 15:40 UTC (permalink / raw)
To: ye.xingchen
Cc: atishp, paul.walmsley, palmer, aou, kvm, kvm-riscv, linux-riscv,
linux-kernel
On Sat, May 6, 2023 at 2:40 PM <ye.xingchen@zte.com.cn> wrote:
>
> From: Ye Xingchen <ye.xingchen@zte.com.cn>
>
> bitmap_zero() is faster than bitmap_clear(), so use bitmap_zero()
> instead of bitmap_clear().
>
> Signed-off-by: Ye Xingchen <ye.xingchen@zte.com.cn>
Looks good to me.
Reviewed-by: Anup Patel <anup@brainfault.org>
Regards,
Anup
> ---
> arch/riscv/kvm/tlb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/riscv/kvm/tlb.c b/arch/riscv/kvm/tlb.c
> index 0e5479600695..44bc324aeeb0 100644
> --- a/arch/riscv/kvm/tlb.c
> +++ b/arch/riscv/kvm/tlb.c
> @@ -296,7 +296,7 @@ static void make_xfence_request(struct kvm *kvm,
> unsigned int actual_req = req;
> DECLARE_BITMAP(vcpu_mask, KVM_MAX_VCPUS);
>
> - bitmap_clear(vcpu_mask, 0, KVM_MAX_VCPUS);
> + bitmap_zero(vcpu_mask, KVM_MAX_VCPUS);
> kvm_for_each_vcpu(i, vcpu, kvm) {
> if (hbase != -1UL) {
> if (vcpu->vcpu_id < hbase)
> --
> 2.25.1
_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] RISC-V: KVM: use bitmap_zero() API
2023-05-06 9:10 ` ye.xingchen
@ 2023-06-06 3:31 ` Anup Patel
-1 siblings, 0 replies; 6+ messages in thread
From: Anup Patel @ 2023-06-06 3:31 UTC (permalink / raw)
To: ye.xingchen
Cc: atishp, paul.walmsley, palmer, aou, kvm, kvm-riscv, linux-riscv,
linux-kernel
On Sat, May 6, 2023 at 2:40 PM <ye.xingchen@zte.com.cn> wrote:
>
> From: Ye Xingchen <ye.xingchen@zte.com.cn>
>
> bitmap_zero() is faster than bitmap_clear(), so use bitmap_zero()
> instead of bitmap_clear().
>
> Signed-off-by: Ye Xingchen <ye.xingchen@zte.com.cn>
Queued this patch for 6.5
Thanks,
Anup
> ---
> arch/riscv/kvm/tlb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/riscv/kvm/tlb.c b/arch/riscv/kvm/tlb.c
> index 0e5479600695..44bc324aeeb0 100644
> --- a/arch/riscv/kvm/tlb.c
> +++ b/arch/riscv/kvm/tlb.c
> @@ -296,7 +296,7 @@ static void make_xfence_request(struct kvm *kvm,
> unsigned int actual_req = req;
> DECLARE_BITMAP(vcpu_mask, KVM_MAX_VCPUS);
>
> - bitmap_clear(vcpu_mask, 0, KVM_MAX_VCPUS);
> + bitmap_zero(vcpu_mask, KVM_MAX_VCPUS);
> kvm_for_each_vcpu(i, vcpu, kvm) {
> if (hbase != -1UL) {
> if (vcpu->vcpu_id < hbase)
> --
> 2.25.1
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] RISC-V: KVM: use bitmap_zero() API
@ 2023-06-06 3:31 ` Anup Patel
0 siblings, 0 replies; 6+ messages in thread
From: Anup Patel @ 2023-06-06 3:31 UTC (permalink / raw)
To: ye.xingchen
Cc: atishp, paul.walmsley, palmer, aou, kvm, kvm-riscv, linux-riscv,
linux-kernel
On Sat, May 6, 2023 at 2:40 PM <ye.xingchen@zte.com.cn> wrote:
>
> From: Ye Xingchen <ye.xingchen@zte.com.cn>
>
> bitmap_zero() is faster than bitmap_clear(), so use bitmap_zero()
> instead of bitmap_clear().
>
> Signed-off-by: Ye Xingchen <ye.xingchen@zte.com.cn>
Queued this patch for 6.5
Thanks,
Anup
> ---
> arch/riscv/kvm/tlb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/riscv/kvm/tlb.c b/arch/riscv/kvm/tlb.c
> index 0e5479600695..44bc324aeeb0 100644
> --- a/arch/riscv/kvm/tlb.c
> +++ b/arch/riscv/kvm/tlb.c
> @@ -296,7 +296,7 @@ static void make_xfence_request(struct kvm *kvm,
> unsigned int actual_req = req;
> DECLARE_BITMAP(vcpu_mask, KVM_MAX_VCPUS);
>
> - bitmap_clear(vcpu_mask, 0, KVM_MAX_VCPUS);
> + bitmap_zero(vcpu_mask, KVM_MAX_VCPUS);
> kvm_for_each_vcpu(i, vcpu, kvm) {
> if (hbase != -1UL) {
> if (vcpu->vcpu_id < hbase)
> --
> 2.25.1
_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2023-06-06 3:31 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2023-05-06 9:10 [PATCH] RISC-V: KVM: use bitmap_zero() API ye.xingchen
2023-05-06 9:10 ` ye.xingchen
2023-05-07 15:40 ` Anup Patel
2023-05-07 15:40 ` Anup Patel
2023-06-06 3:31 ` Anup Patel
2023-06-06 3:31 ` Anup Patel
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