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 4A9CACA5FCE for ; Mon, 5 Oct 2026 05:04:10 +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:Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=eqJik4IYOHY/75Y5UuCar2kZCYK5tdqZHpjteh0qpAE=; b=YyCYeEG1MT47EgpoqCdwFxAF02 lxsNsGKVIJQH5fdfDLQhQSE0Czd4V7R8WL4a+ZQDFxiTZyoJHgob7SRvebnhLujric73YbkAkl/oB V8ylsmCVfveAKL79XK8Co3vHrUkVtq1J9lz/04+FJww9VpWG3luHJN+As3QwYl1BRp6ZkFGrNFjbT pHt0XZW7UQZZiAISZPdbuYfEpt/ocxm2h6OzkuB5+X8z4AQ2LE6uoTsUpngiH9QBOyTu+Ft0TxzgZ u/mjcOHi0iaKFQzOmaOC5c5OOB7QSZlxDujTrH2oD5qMv2f/Vwi3YSD3K6mqETpUy28S5iqDHui/y chAXlSNA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xDarn-0000000FgKc-22rq; Mon, 05 Oct 2026 05:03:59 +0000 Received: from out-86.mta0.migadu.com ([2001:41d0:1004:224b::56] helo=mta0.migadu.com) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xDark-0000000FgJp-2UKq for linux-arm-kernel@lists.infradead.org; Mon, 05 Oct 2026 05:03:58 +0000 X-Envelope-To: linux-arm-kernel@lists.infradead.org DKIM-Signature: a=rsa-sha256; bh=1rAAjG7z10ioumPSrvqWzbDK82NOUf1K670uFQMRS8o=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1791176631; v=1; x=1791781431; b=oDMhlVj9/nI1UZ/sFwlnmgPqdqbnBPoYi3iurNSUjbU4rIQS0n/T78TbtBGGI3/ht/Gwel5i 1iZpxicyUc0ukcYzN6kqumBkthyxRM+sEBD9P8z0Bzc2Hcur/WJiNK1+nTHEBlZfkhXBh2xLvm2 tt9u/Xzev2SonrF/sX/c0W6M= X-Envelope-To: linux-arm-kernel@lists.infradead.org Received: by smtp.migadu.com with ESMTPS id 80948e4cdbc2f4cc; Mon, 05 Oct 2026 05:03:51 +0000 X-Mizu-Trace-ID: 80948e4cdbc2f4cc X-Migadu-Flow: FLOW_OUT From: Fuad Tabba To: maz@kernel.org, oupton@kernel.org, kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: catalin.marinas@arm.com, will@kernel.org, joey.gouly@arm.com, seiden@linux.ibm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, vdonnefort@google.com, qperret@google.com, tabba@google.com Subject: [PATCH v3] KVM: arm64: selftests: Check SError is not pending after delivery Date: Mon, 5 Oct 2026 06:03:49 +0100 Message-Id: <20261005050349.836795-1-fuad.tabba@linux.dev> X-Mailer: git-send-email 2.39.5 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261004_220356_837786_160900CA X-CRM114-Status: UNSURE ( 8.98 ) X-CRM114-Notice: Please train this message. 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 test_serror() never looks at the vCPU after the SError is delivered, so a stale pending SError goes unnoticed. Read the vCPU events back and check the SError is no longer pending. Signed-off-by: Fuad Tabba --- The fix from v2 was applied [1], but not this test. Changes since v2 [2]: - Dropped the fix, now in kvmarm/next. - Rebased on kvmarm/next. [1] https://lore.kernel.org/all/20261001135711.1640520-2-fuad.tabba@linux.dev/ [2] https://lore.kernel.org/all/20260921101030.1231605-1-fuad.tabba@linux.dev/ tools/testing/selftests/kvm/arm64/external_aborts.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/testing/selftests/kvm/arm64/external_aborts.c b/tools/testing/selftests/kvm/arm64/external_aborts.c index 7836756a38a6c..c35b0c87250a1 100644 --- a/tools/testing/selftests/kvm/arm64/external_aborts.c +++ b/tools/testing/selftests/kvm/arm64/external_aborts.c @@ -239,6 +239,7 @@ static void test_serror_guest(void) static void test_serror(void) { + struct kvm_vcpu_events events; struct kvm_vcpu *vcpu; struct kvm_vm *vm = vm_create_with_dabt_handler(&vcpu, test_serror_guest, unexpected_dabt_handler); @@ -247,6 +248,11 @@ static void test_serror(void) vcpu_inject_serror(vcpu); vcpu_run_expect_done(vcpu); + + vcpu_events_get(vcpu, &events); + TEST_ASSERT(!events.exception.serror_pending, + "SError still pending after the guest took it"); + kvm_vm_free(vm); } base-commit: fa22cd9947fc245d71bc40482f7f78eb0d5a4af0 -- 2.39.5