From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f197.google.com (mail-pl1-f197.google.com [209.85.214.197]) (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 5800726982C for ; Wed, 2 Sep 2026 00:20:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788308409; cv=none; b=bb6C8QiI1N1zGZ0Jj8RXdsyg3TygSqwSGQ7K54l48izaN1UkxNcAG3BP5OfIjaF3vcNpqPEB/ald8cUZTZEvaLBH62iH4xr/3RAu8rKfPD57SxT8qc4YR5KOP8z3rLXxkdz6EaG2Y62FRtzNs/q/UmF1KOtvcGVtcjjJpvAzSlU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788308409; c=relaxed/simple; bh=BXRcOixdMzXQLW85aUU4Wf/qtNPkoLSWJYkLfRBdgIw=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=O4bu3aGwKTvQP3ORqqmmnY0Fh5F3c2sPRtI9PQHncevQ+41RzLplR+6HM2RangY9xTN/Zc/MKtNTHqKfxLPbSzUIAncewBXvgdne/wfp+126UsnIB0cKEfS6Bs9Ug6UrPHoucs/zPyp/EFKQKA6QTiMKjd13PrUOk1U3U+WPzmo= 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=EGyIGDlg; arc=none smtp.client-ip=209.85.214.197 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="EGyIGDlg" Received: by mail-pl1-f197.google.com with SMTP id d9443c01a7336-2d70d8839f0so4660705ad.0 for ; Tue, 01 Sep 2026 17:20:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1788308407; x=1788913207; darn=vger.kernel.org; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:from:to:cc:subject:date:message-id:reply-to :content-type; bh=BSeD0zkw5d62oYTgpl5Wd4yc4wNF2jb8Exvm2SVVImE=; b=EGyIGDlgDWZrrSLSvNuT/1WXenJlnWO5SjMinOZ8UbwqKh01OpqSgOrgeJ5Tlqt/Jo t/gTxRsVi6C4GGTDumBLIg+LC7MSbRYijzaYmB6sYehrhASarUYnQHVvhMf2k1Z96+zY jH3zGfhrwB34nraqZszxU5Zw6lchIL+WturKcKbzioZdWI7qU8eF4AQI3X83aGOb60jC 2XbhzHfnuSUpV4OcjH67MTaubQ4jXl119tB05S6lHicEjLfTQCmlrCHdGowuxaDDKWnl x0L9hMhhTkqanqO4gWlwnRwxfw0wbgNE3bSRRdyxXIZMIThivqJ/LP0K5pLaE5Y7q6u9 PvVg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788308407; x=1788913207; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=BSeD0zkw5d62oYTgpl5Wd4yc4wNF2jb8Exvm2SVVImE=; b=XlcUbO+KMzMbTxH7/80lNZHwM+lT9SXPfnfosirt8+JAV0WMDMN+xdfzNjNQfKhr8L aKyYcFkiE82CcItYvRa3sFN3a2osRfQk7ZVDF4c4zq7btFsnXMDxMl8oMeO8qPTEQBjR sQ+OCob0QvzO1RAedHhur9Vkdq12JXvmIQG85KS/pRqV05+u9IQzURYfBJwWjVFaoaSA 76PUv5ePQpn9GcvNs7nDZiU9rlMZQHCwvQSwY+J4OV8B9tCARUAEPSn1Ry3sVo0nDNt0 J5lUkLeRrwhDauqezlxCtyWllgd4+KY0fR+i3a8JcrZHZmO1TMfJK+IeeClNDHP+1fAi duLg== X-Forwarded-Encrypted: i=1; AKwUvBw2htIyt5Z3DuFkeGelEJU9jKoGcHo9KbzhY+vLI2+yS4wCkYPwctARZAoTCDUwfFPOoeWrzggb/iK99Yc=@vger.kernel.org X-Gm-Message-State: AFuF++mnP/OAcVPI68gUNoAmTLlfk5mhCyGhuseeUjB/5/VH+vXDW3p+ R1rTyXoLUI7XqusGspysZIafKeegAc9nz0n6ZVVgcrpzhezm2jnDcm3xDKImCPvq5UAUrCNYpT1 3nJUe5A== X-Received: from pgco28.prod.google.com ([2002:a63:731c:0:b0:cbe:dc75:c58e]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:e787:b0:2d9:4358:73ab with SMTP id d9443c01a7336-2daec775fd0mr16568335ad.19.1788308407429; Tue, 01 Sep 2026 17:20:07 -0700 (PDT) Date: Tue, 1 Sep 2026 17:20:06 -0700 In-Reply-To: <20260730110524.2539316-8-ewanhai-oc@zhaoxin.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260730110524.2539316-1-ewanhai-oc@zhaoxin.com> <20260730110524.2539316-8-ewanhai-oc@zhaoxin.com> Message-ID: Subject: Re: [PATCH 7/8] KVM: selftests: nested_exceptions_test: Add Zhaoxin CPU support From: Sean Christopherson To: Ewan Hai-oc Cc: Paolo Bonzini , Shuah Khan , Frank Zhu , kvm@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" On Thu, Jul 30, 2026, Ewan Hai-oc wrote: > From: Frank Zhu > > In the test, the ERROR_CODE_EXT_FLAG bit should not be set in the #GP > error code on Zhaoxin CPUs. Why not? > Add GP_ERROR_CODE_ZX and use it when > running on Zhaoxin hardware. > > Signed-off-by: Frank Zhu > Signed-off-by: Ewan Hai > --- > tools/testing/selftests/kvm/x86/nested_exceptions_test.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/tools/testing/selftests/kvm/x86/nested_exceptions_test.c b/tools/testing/selftests/kvm/x86/nested_exceptions_test.c > index aeec3121c8e8..bacbbdc5dc69 100644 > --- a/tools/testing/selftests/kvm/x86/nested_exceptions_test.c > +++ b/tools/testing/selftests/kvm/x86/nested_exceptions_test.c > @@ -38,6 +38,7 @@ > */ > #define GP_ERROR_CODE_AMD ((SS_VECTOR * 8) | ERROR_CODE_IDT_FLAG) > #define GP_ERROR_CODE_INTEL ((SS_VECTOR * 8) | ERROR_CODE_IDT_FLAG | ERROR_CODE_EXT_FLAG) > +#define GP_ERROR_CODE_ZX ((SS_VECTOR * 8) | ERROR_CODE_IDT_FLAG) > > /* > * Intel and AMD both shove '0' into the error code on #DF, regardless of what > @@ -139,7 +140,8 @@ static void l1_vmx_code(struct vmx_pages *vmx) > */ > GUEST_ASSERT_EQ(vmwrite(EXCEPTION_BITMAP, INTERCEPT_SS_GP_DF), 0); > vmx_run_l2(l2_ss_pending_test, SS_VECTOR, (u16)SS_ERROR_CODE); > - vmx_run_l2(l2_ss_injected_gp_test, GP_VECTOR, GP_ERROR_CODE_INTEL); > + vmx_run_l2(l2_ss_injected_gp_test, GP_VECTOR, > + host_cpu_is_zx ? GP_ERROR_CODE_ZX : GP_ERROR_CODE_INTEL); > > GUEST_ASSERT_EQ(vmwrite(EXCEPTION_BITMAP, INTERCEPT_SS_DF), 0); > vmx_run_l2(l2_ss_injected_df_test, DF_VECTOR, DF_ERROR_CODE); > -- > 2.34.1 > >