From patchwork Thu Jul 13 13:54:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryan Roberts X-Patchwork-Id: 13312259 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id E3CFAC001B0 for ; Thu, 13 Jul 2023 13:55:08 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 2D40290000B; Thu, 13 Jul 2023 09:55:06 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 25C7190001C; Thu, 13 Jul 2023 09:55:06 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0D6C390000B; Thu, 13 Jul 2023 09:55:06 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id D869790001C for ; Thu, 13 Jul 2023 09:55:05 -0400 (EDT) Received: from smtpin16.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id B7FC1802A7 for ; Thu, 13 Jul 2023 13:55:03 +0000 (UTC) X-FDA: 81006734886.16.595575C Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by imf22.hostedemail.com (Postfix) with ESMTP id 8FC63C0022 for ; Thu, 13 Jul 2023 13:55:01 +0000 (UTC) Authentication-Results: imf22.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=arm.com; spf=pass (imf22.hostedemail.com: domain of ryan.roberts@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=ryan.roberts@arm.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1689256501; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Cz2iEEBGyYF+rSb/J/At2npEIiP2rZZS/45ogfF1Shk=; b=6vZlnz6pEpbU0ARF1M704dOXImq0nIou/Hu08Zqy3yI43ATyYZ7dc69wUuu5y5hxdcrd5v N8ikkB/0Ymh1RNwHygrSKX7xF9u+g3nDWqKgU8X5o8rldO2roGa+DBZl/AmSt2UmetrKJz sAh/5pjmq338xC3/zGtsvPQ7ZvTYvaY= ARC-Authentication-Results: i=1; imf22.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=arm.com; spf=pass (imf22.hostedemail.com: domain of ryan.roberts@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=ryan.roberts@arm.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1689256501; a=rsa-sha256; cv=none; b=rYpibCvsUzbNcaPSFbCjF0gCtjcQwqH9ToueKCiuelYIc4xEp9th5qORtJBM1J+XUihRdi 4tX3CodbEEiwdNhcWhCdVWnSAVFjcqzzv0ro8c3LGz+ov63oeKJiqBtXB1t8vjRrDsO79V 5QFUD3UhWlooow0uKZk6UHQwVB1Gtyk= Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 7AA1C1576; Thu, 13 Jul 2023 06:55:43 -0700 (PDT) Received: from e125769.cambridge.arm.com (e125769.cambridge.arm.com [10.1.196.26]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 70A523F73F; Thu, 13 Jul 2023 06:54:59 -0700 (PDT) From: Ryan Roberts To: Andrew Morton , Shuah Khan , =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= , David Hildenbrand , Mark Brown , John Hubbard , Florent Revest , "Liam R. Howlett" Cc: Ryan Roberts , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org Subject: [PATCH v1 6/9] selftests/mm: va_high_addr_switch should skip unsupported arm64 configs Date: Thu, 13 Jul 2023 14:54:37 +0100 Message-Id: <20230713135440.3651409-7-ryan.roberts@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230713135440.3651409-1-ryan.roberts@arm.com> References: <20230713135440.3651409-1-ryan.roberts@arm.com> MIME-Version: 1.0 X-Rspamd-Queue-Id: 8FC63C0022 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: aegx4oqth7bqo47b4afgizxk8jcofwmd X-HE-Tag: 1689256501-161036 X-HE-Meta: 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 uJI2BJG4 dI+oPeZ1CXoWfH34n8VqIiBoPixcik5DYi2oytNoGQzmmHvl56eWsgm80nrQ1LPuaX9FRrCm+larijG4fSs632KNuXJIpOPXMq/pY1Zq9poZjeyTqzQHDjLfhvpCcWpx5UZFyadQuAU3BGn+WyHAIAh3tJbZx0aUdSV/fTLejV1TIIyfFA+ja12GOJpSnfENalaHYpQlSNixI0xM= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: va_high_addr_switch has a mechanism to determine if the tests should be run or skipped (supported_arch()). This currently returns unconditionally true for arm64. However, va_high_addr_switch also requires a large virtual address space for the tests to run, otherwise they spuriously fail. Since arm64 can only support VA > 48 bits when the page size is 64K, let's decide whether we should skip the test suite based on the page size. This reduces noise when running on 4K and 16K kernels. Signed-off-by: Ryan Roberts Reviewed-by: David Hildenbrand --- tools/testing/selftests/mm/va_high_addr_switch.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/mm/va_high_addr_switch.c b/tools/testing/selftests/mm/va_high_addr_switch.c index 7cfaf4a74c57..4b6f62c69a9d 100644 --- a/tools/testing/selftests/mm/va_high_addr_switch.c +++ b/tools/testing/selftests/mm/va_high_addr_switch.c @@ -292,7 +292,8 @@ static int supported_arch(void) #elif defined(__x86_64__) return 1; #elif defined(__aarch64__) - return 1; + size_t page_size = getpagesize(); + return page_size == PAGE_SIZE; #else return 0; #endif