From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f74.google.com (mail-pj1-f74.google.com [209.85.216.74]) (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 A9E88240253 for ; Mon, 13 Jan 2025 20:02:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.74 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736798543; cv=none; b=qtU2XfS7kwLuCs/3HZ4wXdEqoc/Ifa3NlU83NGyACKYAffWgY2LSSegMmrKX4fwlKCH7NGriVwMAOwfWgxzwNAIW2K3CpYZr5YrFtHMtMgjKn5YUK8OEXNjwMHjLSvLNQJ0xQl6VwfVK9ubuNgHlmwiqQNx/C+vIGkKePccnIWU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736798543; c=relaxed/simple; bh=y5ufo5HJPFN2RcwMCC8eOXrwkfbixM9+exZ8kXK1s1I=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=U3wFKVB8i21tPvGErsJ8XX/I0b/si9/u/8+mSLLMbeOf7p/VVrgj61GbRmyEINZNCtx9dSH54An+Hh+ZSmT6h26i0Z2YF+2vM5hTn3NaOfOIgKam1euptIKIS4xstvhORVkROnSShXq3zSUQHWtqfY4PALaOCSrP2nVp5yJN8Mo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--jmattson.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=uM2dseJ4; arc=none smtp.client-ip=209.85.216.74 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--jmattson.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="uM2dseJ4" Received: by mail-pj1-f74.google.com with SMTP id 98e67ed59e1d1-2ee6dccd3c9so7961509a91.3 for ; Mon, 13 Jan 2025 12:02:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1736798541; x=1737403341; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=9Wq7rUaX+FmJEL8OIfxyxBlZUI1BbsVMQOwmExtNi8Y=; b=uM2dseJ4E4g8X+7xQmmJOO5ho0xTvuv10h+kXS5PjGpSHCVQDqDjbrgnXtn93CEGF7 tHlsPlySA0BjciqlHGqxLbFFcU0JmHAq3P2kPkPi5WLIJTABoD2CZgqV1UWjoFgdp73L /X0wn1KNw7tdMnk2LPoiWKDg+VC+S+S7y8ZR0E5rd5jZMIR9Y7la5yXhTnHd/XjtwBFB ql0dxjkgx6+W1kYsbD8a90lKU85kw0jXvQvAoodPt50cinHjvsUmgFPxDO5S5iV6GmE4 oTpLjkCcpQ05m66SFoBY1gonpmQZ5GfIjSN6Xa8Gg1Qlk2HkhNch1Doe28i/X2gQ8YSB 3MbA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1736798541; x=1737403341; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=9Wq7rUaX+FmJEL8OIfxyxBlZUI1BbsVMQOwmExtNi8Y=; b=gMjOFVdGFzuCY2o5AtzgCeUWoUa8Qoi/eMrJyTgDjzVmYSIj6DUKrmDHdTDZDk/+DZ tzK0rl0HymJV+qOsuCWhmCdjknHgOmVdrZ7UcDEXA3VVkCQgoZ2dQHkkZq2WFTdySmMY szsYvq9+mJszoFDXlfUmJp4X/mKf8OI1zR+w55nr0WEk4O6E+93cDJW2td2ad7qs3OQG PpKsUYVbO9mj4QgtOxh9BEt4Fhq4hHqnhHVuhjsuXuh6w5DzBg0zsqhMv3dZGXs+1e7f FhhOYSfb3jXjSZ+ZZ7xh/DGrFqAnF+R/7bp5OhPinrOQgTXlcAPY0IS0hFJloXiZcPyZ hbYw== X-Forwarded-Encrypted: i=1; AJvYcCV5OXnhprgIFzVL1Dy84AU9QgyshFUWMmpMBElwNHK/gYdRJdfjg+RiHxlgRjpwOXxA5iYpBBABgflv+1Y=@vger.kernel.org X-Gm-Message-State: AOJu0YwAJXvtvm+W1zIIqQS7vfa/vNoVxxcAhjdLPgVLoYFo6IkT/eWX irt02DRHufnQ88oo7Dhz/t030lYA+HGyXnRaFKOkCr7IjoTMUPBX6H0wLK5vAy+CSpODpJ9d/e/ 7DkII0jQybg== X-Google-Smtp-Source: AGHT+IHknmOdDkMDC0vWFmWT1WpIm3FNInlrqrNGIXliKpG3nITNEmkcvNSS1l/byi3F2HubUmveqs9c8P2TeA== X-Received: from pjbsg17.prod.google.com ([2002:a17:90b:5211:b0:2e2:8d64:6213]) (user=jmattson job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:1f85:b0:2f2:a796:26b with SMTP id 98e67ed59e1d1-2f548f103d2mr29111660a91.1.1736798541092; Mon, 13 Jan 2025 12:02:21 -0800 (PST) Date: Mon, 13 Jan 2025 12:01:42 -0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.47.1.688.g23fc6f90ad-goog Message-ID: <20250113200150.487409-1-jmattson@google.com> Subject: [PATCH 0/2] KVM: x86: Clean up MP_STATE transitions From: Jim Mattson To: Sean Christopherson , Paolo Bonzini , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H . Peter Anvin" , David Woodhouse , Paul Durrant , Gleb Natapov , Raghavendra K T , Suzuki Poulose , Srivatsa Vaddagiri , Jan Kiszka , kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Jim Mattson Content-Type: text/plain; charset="UTF-8" Introduce a generic setter, kvm_set_mp_state(), and use that to ensure that pv_unhalted is cleared on all transitions to KVM_MP_STATE_RUNNABLE. Jim Mattson (2): KVM: x86: Introduce kvm_set_mp_state() KVM: x86: Clear pv_unhalted on all transitions to KVM_MP_STATE_RUNNABLE arch/x86/kvm/lapic.c | 6 +++--- arch/x86/kvm/svm/nested.c | 2 +- arch/x86/kvm/svm/sev.c | 5 ++--- arch/x86/kvm/vmx/nested.c | 4 ++-- arch/x86/kvm/x86.c | 18 ++++++++---------- arch/x86/kvm/x86.h | 7 +++++++ arch/x86/kvm/xen.c | 4 ++-- 7 files changed, 25 insertions(+), 21 deletions(-) base-commit: c45323b7560ec87c37c729b703c86ee65f136d75 -- 2.47.1.688.g23fc6f90ad-goog