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From: Paolo Bonzini <pbonzini@redhat.com>
To: Miaohe Lin <linmiaohe@huawei.com>,
	rkrcmar@redhat.com, sean.j.christopherson@intel.com,
	vkuznets@redhat.com, wanpengli@tencent.com, jmattson@google.com,
	joro@8bytes.org, tglx@linutronix.de, mingo@redhat.com,
	bp@alien8.de, hpa@zytor.com
Cc: x86@kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] KVM: x86: get rid of odd out jump label in pdptrs_changed
Date: Fri, 25 Oct 2019 11:43:53 +0200	[thread overview]
Message-ID: <ecd5eb9a-938b-a8f3-ed69-76d2343bfdcc@redhat.com> (raw)
In-Reply-To: <1571968878-10437-1-git-send-email-linmiaohe@huawei.com>

On 25/10/19 04:01, Miaohe Lin wrote:
> -	if (r < 0)
> -		goto out;
> -	changed = memcmp(pdpte, vcpu->arch.walk_mmu->pdptrs, sizeof(pdpte)) != 0;
> -out:
> +	if (r >= 0)
> +		changed = memcmp(pdpte, vcpu->arch.walk_mmu->pdptrs,
> +				 sizeof(pdpte)) != 0;
>  
>  	return changed;

Even better:

	if (r < 0)
		return true;

	return memcmp(...) != 0;

Paolo

  reply	other threads:[~2019-10-25  9:44 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-25  2:01 Miaohe Lin
2019-10-25  9:43 ` Paolo Bonzini [this message]
2019-10-25 10:43 linmiaohe

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