From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1670DCAC592 for ; Fri, 19 Sep 2025 22:36:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=JXFpc6ThiFcP26DmQ5iR/Po6IMjawdunmjqXPNzL7xU=; b=GVM8pvmJhksJX9e6bH2/MW6nqA /cRKF2WKrQE+ksZKVH6iAF/WHGP1XN3t0yAIPQZxcR5yzVAn1Y3bhh8BGMQRyHHOje1/cmyfpHARt 87TLTOSf8O0q5fkpjviL68NVHw5+a6LeL5fFTWG3wcy6hqnt4394Bc7UXNd7fbCLGFIF/o+1/zlRM nKVHTe8XOYgHUzupyVUBR8hQgExOoYxEY3AATtKFNRxcGjvv+rNsnrnfpwx/O2BHChlhniM6YhbaF NeCv6CPju6Ac/hRghqjDc405Mw3+YrCt+TtUMD716cOwMQB32CPCfBMt2SW1k+OC4m+St37xCKWwM qlGL8bGA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uzjiR-00000004D3L-1z0z; Fri, 19 Sep 2025 22:36:31 +0000 Received: from out-177.mta1.migadu.com ([95.215.58.177]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uzjiP-00000004D2T-11oK for linux-arm-kernel@lists.infradead.org; Fri, 19 Sep 2025 22:36:30 +0000 Date: Fri, 19 Sep 2025 15:36:15 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1758321385; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=JXFpc6ThiFcP26DmQ5iR/Po6IMjawdunmjqXPNzL7xU=; b=OZh7Dlt3NZ7BUlUFPjvmF1/oi5L3bmy8XMqUVWs0HN+KkAnj+j/kC6NdQnj2tvgXzaiH+N dbPBx4++rzSOmiimw92MHBmrzm1L4aqh4cVZMIVm2MfW59HqqESsCNZvhkHvd/FCo7+5Th 9/5Akdc0/TlrWdygZOdq/Vdx8H4Bnz0= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Oliver Upton To: Marc Zyngier Cc: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, Joey Gouly , Suzuki K Poulose , Zenghui Yu Subject: Re: [PATCH v2 16/16] KVM: arm64: selftest: Expand external_aborts test to look for TTW levels Message-ID: References: <20250915114451.660351-1-maz@kernel.org> <20250915114451.660351-17-maz@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250915114451.660351-17-maz@kernel.org> X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250919_153629_441704_8656EE12 X-CRM114-Status: GOOD ( 16.39 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Sep 15, 2025 at 12:44:51PM +0100, Marc Zyngier wrote: > Add a basic test corrupting a level-2 table entry to check that > the resulting abort is a SEA on a PTW at level-3. > > Signed-off-by: Marc Zyngier > --- > .../selftests/kvm/arm64/external_aborts.c | 43 +++++++++++++++++++ > .../selftests/kvm/include/arm64/processor.h | 1 + > .../selftests/kvm/lib/arm64/processor.c | 13 +++++- > 3 files changed, 56 insertions(+), 1 deletion(-) > > diff --git a/tools/testing/selftests/kvm/arm64/external_aborts.c b/tools/testing/selftests/kvm/arm64/external_aborts.c > index 062bf84cced13..acb32d0f27bbe 100644 > --- a/tools/testing/selftests/kvm/arm64/external_aborts.c > +++ b/tools/testing/selftests/kvm/arm64/external_aborts.c > @@ -250,6 +250,48 @@ static void test_serror(void) > kvm_vm_free(vm); > } > > +static void expect_sea_s1ptw_handler(struct ex_regs *regs) > +{ > + u64 esr = read_sysreg(esr_el1); > + > + Extra whitespace > + GUEST_ASSERT_EQ(regs->pc, expected_abort_pc); > + GUEST_ASSERT_EQ(ESR_ELx_EC(esr), ESR_ELx_EC_DABT_CUR); > + GUEST_ASSERT_EQ((esr & ESR_ELx_FSC), ESR_ELx_FSC_SEA_TTW(3)); > + > + GUEST_DONE(); > +} > + Thanks, Oliver