From nobody Fri Dec 19 18:29:48 2025 Received: from mail-pl1-f202.google.com (mail-pl1-f202.google.com [209.85.214.202]) (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 15E74433AB for ; Sat, 15 Feb 2025 01:09:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739581794; cv=none; b=QdBW/uuNg4OPk3xhWeqqpmBREfHGqpxnppu7u2JUDWwkRf6h0B3DpC2Ti0oBJ3bunMTQhjYPdESPtvF8ECTmaW9YwBm6HDGKJgD7DXluEJuoasKJR2Pdx6Oa9OxUlrZTeeZqk4F+bNuYzRMcxFBLFGvWbRSTos49/Oo+7PNjhvU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739581794; c=relaxed/simple; bh=k08kYOr5amr0PMaAsg/vb1TyI0SEHxFgH5fDVqymMUA=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=u1kvT8jYDICmoQ76ikk4AnsfBFQvArANAHfNBHTzZkDJGKQjuTS7E2zgdXnzI/64EqYZLGAFFewcO81XvpCwdeEPTY+6elefLJkLqZsAyuy6fa6WZvy9PU6LmbAppon5XIV4eCJfZPzBwHtCvjszBxYMSiqhoDbX6NCp9uQlMPk= 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=WTjDmWcM; arc=none smtp.client-ip=209.85.214.202 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="WTjDmWcM" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-220ee2e7746so25900095ad.2 for ; Fri, 14 Feb 2025 17:09:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1739581792; x=1740186592; 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=daGjRlPn538a7Mhk1b9p32Ju5z76xxGZiL/mJoi1gQY=; b=WTjDmWcMzDfewC/A8m+CN5Z8BFUl++XnjKhK0DJ0bsT1v4sTWbTgeeaR60VZnrTV4k Mxvvqrz2qfXkZDKILb0YWjeU4B0JvZIFMrWwFUAT0yE4vgHAXOgDSWxBWmWxIMC0ATRc F6DprdU0KakYGpGLyHl1jy2Hc3iiixowTDk9VpI+CXqt0RPRVNiJnDLM6B5N1TvHHcP8 FPMvJ4NQ/7DEPj/idwLft1jViFVc/Hkko8OpvtsYQPcm7dy/msOykQQFLNHCU2fLU3Tq +k+YB5U0MVaO/6WrrvdX5eVHdSO96Z8p+Qr9dRN2URzI6lcCLxoXk1s3vNjoOomQVGFi iDkA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739581792; x=1740186592; 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=daGjRlPn538a7Mhk1b9p32Ju5z76xxGZiL/mJoi1gQY=; b=VgESR4jYSmZaJSMroq2sQxOImi5YhSB/e0NyViPvmEG007DfgH3eukI1hypHVxCXvJ iUWCu14eNETtq1ZxvhG0oJ88ifvi8/X+BHqhH8rKMvy4S5j/O1L+JG1agj9OUTlq16nn vANHH+sut0tuqkbntlrzSIhjXGzfsQmpnHIN2P129iLIzgF+mbHNEKs4guAiclb9YGJt hQvp67Pee60/q/SdnrGigesHmA3TqnIwP9LWQVT23QGKoqr/yM4eUhlc4Ej27+NwCFhf G4yPOAF6MfwyUejGezDbnFU0wedPz2QqcYE2cnNZvd+QKOLt/txvC8gehmR8a2kudKvw 7kfw== X-Forwarded-Encrypted: i=1; AJvYcCWVwStRm+yltNNHF37UqEOsiyyuRe7+RorL4pGG+JfM8IkiZFE7Hx5LSBN6TiO6p8yzwIM/tIpHi7+beFs=@vger.kernel.org X-Gm-Message-State: AOJu0YwFn4NYP1A+rGcr/QWuJZ5nGw5l3ygtqcTI0CKyzsazwdZ76q5L Glp3QRb9x7rkr475AWZhIELx0zzYW813cZ88XbiJU6wgdnikEN/yv5XmeMs5t1+hYzs8KAVR/1u RJg== X-Google-Smtp-Source: AGHT+IFvuYkc6dkhIoLSXv/TfkhyhlegXXjjNDffj8c9h7UcOv2qQGR5/L2/ydeA43o8bay1iGCM92srIFU= X-Received: from pfar15.prod.google.com ([2002:a05:6a00:a90f:b0:730:9717:b216]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a21:99a2:b0:1ee:6a26:648c with SMTP id adf61e73a8af0-1ee8cba0fe8mr2926356637.32.1739581792352; Fri, 14 Feb 2025 17:09:52 -0800 (PST) Reply-To: Sean Christopherson Date: Fri, 14 Feb 2025 17:09:46 -0800 In-Reply-To: <20250215010946.1201353-1-seanjc@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250215010946.1201353-1-seanjc@google.com> X-Mailer: git-send-email 2.48.1.601.g30ceb7b040-goog Message-ID: <20250215010946.1201353-3-seanjc@google.com> Subject: [PATCH 2/2] KVM: selftests: Assert that STI blocking isn't set after event injection From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Doug Covelli Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add an L1 (guest) assert to the nested exceptions test to verify that KVM doesn't put VMRUN in an STI shadow (AMD CPUs bleed the shadow into the guest's int_state if a #VMEXIT occurs before VMRUN fully completes). Add a similar assert to the VMX side as well, because why not. Signed-off-by: Sean Christopherson --- tools/testing/selftests/kvm/x86/nested_exceptions_test.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/testing/selftests/kvm/x86/nested_exceptions_test.c b/too= ls/testing/selftests/kvm/x86/nested_exceptions_test.c index 3eb0313ffa39..3641a42934ac 100644 --- a/tools/testing/selftests/kvm/x86/nested_exceptions_test.c +++ b/tools/testing/selftests/kvm/x86/nested_exceptions_test.c @@ -85,6 +85,7 @@ static void svm_run_l2(struct svm_test_data *svm, void *l= 2_code, int vector, =20 GUEST_ASSERT_EQ(ctrl->exit_code, (SVM_EXIT_EXCP_BASE + vector)); GUEST_ASSERT_EQ(ctrl->exit_info_1, error_code); + GUEST_ASSERT(!ctrl->int_state); } =20 static void l1_svm_code(struct svm_test_data *svm) @@ -122,6 +123,7 @@ static void vmx_run_l2(void *l2_code, int vector, uint3= 2_t error_code) GUEST_ASSERT_EQ(vmreadz(VM_EXIT_REASON), EXIT_REASON_EXCEPTION_NMI); GUEST_ASSERT_EQ((vmreadz(VM_EXIT_INTR_INFO) & 0xff), vector); GUEST_ASSERT_EQ(vmreadz(VM_EXIT_INTR_ERROR_CODE), error_code); + GUEST_ASSERT(!vmreadz(GUEST_INTERRUPTIBILITY_INFO)); } =20 static void l1_vmx_code(struct vmx_pages *vmx) --=20 2.48.1.601.g30ceb7b040-goog