From nobody Mon Feb 9 00:31:25 2026 Received: from mail-pl1-f201.google.com (mail-pl1-f201.google.com [209.85.214.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A6F0F14B962 for ; Sat, 1 Feb 2025 01:38:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738373926; cv=none; b=BI0oOBsWb/THJAs67xlMkUxqk9UUCROuDW6YoGPvFksenOynKBTDYufBVmowQtYXjBtdAeqS2/DMwSDhV1jGVWMapaahwqEPrVOrW9amgF0z+GJgk2yt9n7T/ReFeKTm7/Rff2muVSLk6ZfJ0mtoTpK+q6R95q3lCERahTAEGsY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738373926; c=relaxed/simple; bh=S0cfkfcvuIT723YoScs3tAnJNc+E1NoNA3KNUZ4zydY=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=HT/YD/R1BEZVDvSg13ceRHPkJlcy408jgSTwhrJCRZ29OrCpWs/cBtYhbTdBRWfkCUJNgJZqj0ZtwoYYlSzlkFVPj86Pk8ytpetvJkkugZx/iYrP8679+quMLstX+laBkGK25FMTsiiAk1Fwhcrj505XNrlp85g2CARmjxd2Fe4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=iWbk1Nx7; arc=none smtp.client-ip=209.85.214.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="iWbk1Nx7" Received: by mail-pl1-f201.google.com with SMTP id d9443c01a7336-216717543b7so67462925ad.0 for ; Fri, 31 Jan 2025 17:38:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1738373924; x=1738978724; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:from:to:cc:subject:date:message-id:reply-to; bh=SqlXkof1Dlk5EqS0bEckGBOreF1G6+rbdQPzOVsecgY=; b=iWbk1Nx7O508UiEO7t8Dgh9RTqpAmC8oWhiRPGVgRUp8LfzfTdNm1UgPsoFb89j2j4 Z7moPpVM4Cmi9OmZxhm6F9soZiCeUsjG0pEYjcYKDCbF6vfRGuhuAbR/+E2Wh/3tdxEc 8X1qVuIbh3llf7KBmktmhVJN5fsu+h1q9/LPypB4IZZgrMx0GCJq7ATvJoQ4J6dDPoX2 U/aTgVoFnTcsRAdwbOqUKtwyP0pS+lbR6euXlebXSTRU1PTuCOJQHvQa5JjQEoCIttri x6TKlMQ6A8anLp5yEQqmQXNj53NS87ceFdGLniCUEZcDWUdyCmcqxZKR89urm0SDyaN2 fcMQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738373924; x=1738978724; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=SqlXkof1Dlk5EqS0bEckGBOreF1G6+rbdQPzOVsecgY=; b=H5t6hNsbwzcEuu5OKmwCStu0+7t/l82agcwHTBqpHCYp3pGy9ZYYjnpZ37RnFP93CB EJq+1OlH1hiYSw7DJwqshC0d6RiouQeZbSPEJea8UHHjq09wM+eHR4cUthS6YRk3KRYv higj/7dmjsEXXO+GWgrwB+L/9gEoTpx828/61y9tw/fEJy3NSUFqYn5GtOr7YhHVtKKE y5cQmP5j21GjlgYVksDWJ0kWiThi2qZnaBCWtR0TnByjXK3Otyz4J+BAthdPqioK8zJp KjCeENr5+oVVgPGdSnJsTzRmUhETC4k6ZYTDDmUYQRrk5TUOU8I/pehQHvxA7iA9Ix5F ZSUg== X-Forwarded-Encrypted: i=1; AJvYcCVM9KRjhZLTU1AXUmdlbn6mgWBK2KaYiLYFuAD61YAeHl0yGZywf44G2DFp4s4DTjeswwOozfbbxldSBkw=@vger.kernel.org X-Gm-Message-State: AOJu0YzW95ENGjZvHMg/vh1/2f/DgRom1FujtY2qGz6Jqplffb6DchM7 CEsM7RPTfYmjPQZLRQHisuM2rtQpiLUyzx7hrOBz4s/bMAc/8e80QddNSZ2F35apoafJHVnhbTJ ybQ== X-Google-Smtp-Source: AGHT+IFNf5S0vTL27XQUYWusQWzi4oXLJZ2sw5QHFsmsRqLpME4oOPmWgN3SSRp50OLDEWb6ANqX8m4TZdQ= X-Received: from plek12.prod.google.com ([2002:a17:903:450c:b0:21b:d402:6f93]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:e751:b0:216:4d1f:5c83 with SMTP id d9443c01a7336-21dd7de1c73mr200004905ad.47.1738373924151; Fri, 31 Jan 2025 17:38:44 -0800 (PST) Reply-To: Sean Christopherson Date: Fri, 31 Jan 2025 17:38:24 -0800 In-Reply-To: <20250201013827.680235-1-seanjc@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250201013827.680235-1-seanjc@google.com> X-Mailer: git-send-email 2.48.1.362.g079036d154-goog Message-ID: <20250201013827.680235-9-seanjc@google.com> Subject: [PATCH v2 08/11] KVM: x86: Pass reference pvclock as a param to kvm_setup_guest_pvclock() From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini , David Woodhouse , Paul Durrant Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, syzbot+352e553a86e0d75f5120@syzkaller.appspotmail.com, Paul Durrant , David Woodhouse , Vitaly Kuznetsov Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Pass the reference pvclock structure that's used to setup each individual pvclock as a parameter to kvm_setup_guest_pvclock() as a preparatory step toward removing kvm_vcpu_arch.hv_clock. No functional change intended. Reviewed-by: Paul Durrant Signed-off-by: Sean Christopherson --- arch/x86/kvm/x86.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 5f3ad13a8ac7..06d27b3cc207 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3116,17 +3116,17 @@ u64 get_kvmclock_ns(struct kvm *kvm) return data.clock; } =20 -static void kvm_setup_guest_pvclock(struct kvm_vcpu *v, +static void kvm_setup_guest_pvclock(struct pvclock_vcpu_time_info *ref_hv_= clock, + struct kvm_vcpu *vcpu, struct gfn_to_pfn_cache *gpc, unsigned int offset, bool force_tsc_unstable) { - struct kvm_vcpu_arch *vcpu =3D &v->arch; struct pvclock_vcpu_time_info *guest_hv_clock; struct pvclock_vcpu_time_info hv_clock; unsigned long flags; =20 - memcpy(&hv_clock, &vcpu->hv_clock, sizeof(hv_clock)); + memcpy(&hv_clock, ref_hv_clock, sizeof(hv_clock)); =20 read_lock_irqsave(&gpc->lock, flags); while (!kvm_gpc_check(gpc, offset + sizeof(*guest_hv_clock))) { @@ -3165,7 +3165,7 @@ static void kvm_setup_guest_pvclock(struct kvm_vcpu *= v, kvm_gpc_mark_dirty_in_slot(gpc); read_unlock_irqrestore(&gpc->lock, flags); =20 - trace_kvm_pvclock_update(v->vcpu_id, &hv_clock); + trace_kvm_pvclock_update(vcpu->vcpu_id, &hv_clock); } =20 static int kvm_guest_time_update(struct kvm_vcpu *v) @@ -3272,18 +3272,18 @@ static int kvm_guest_time_update(struct kvm_vcpu *v) vcpu->hv_clock.flags |=3D PVCLOCK_GUEST_STOPPED; vcpu->pvclock_set_guest_stopped_request =3D false; } - kvm_setup_guest_pvclock(v, &vcpu->pv_time, 0, false); + kvm_setup_guest_pvclock(&vcpu->hv_clock, v, &vcpu->pv_time, 0, false); =20 vcpu->hv_clock.flags &=3D ~PVCLOCK_GUEST_STOPPED; } =20 #ifdef CONFIG_KVM_XEN if (vcpu->xen.vcpu_info_cache.active) - kvm_setup_guest_pvclock(v, &vcpu->xen.vcpu_info_cache, + kvm_setup_guest_pvclock(&vcpu->hv_clock, v, &vcpu->xen.vcpu_info_cache, offsetof(struct compat_vcpu_info, time), xen_pvclock_tsc_unstable); if (vcpu->xen.vcpu_time_info_cache.active) - kvm_setup_guest_pvclock(v, &vcpu->xen.vcpu_time_info_cache, 0, + kvm_setup_guest_pvclock(&vcpu->hv_clock, v, &vcpu->xen.vcpu_time_info_ca= che, 0, xen_pvclock_tsc_unstable); #endif kvm_hv_setup_tsc_page(v->kvm, &vcpu->hv_clock); --=20 2.48.1.362.g079036d154-goog