From patchwork Mon May 19 11:08:17 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Tyagi, Yogesh" X-Patchwork-Id: 63225 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 aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id F1BC9C2D0CD for ; Mon, 19 May 2025 11:58:43 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) by mx.groups.io with SMTP id smtpd.web10.49384.1747655921667381527 for ; Mon, 19 May 2025 04:58:41 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@intel.com header.s=Intel header.b=fOMdqs0B; spf=pass (domain: intel.com, ip: 198.175.65.21, mailfrom: yogesh.tyagi@intel.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1747655922; x=1779191922; h=from:to:subject:date:message-id:mime-version: content-transfer-encoding; bh=Pc6wBKzeskGVTP/htTus8vBp5/9ArSOec/jHoQsV62I=; b=fOMdqs0BO/Lmhwr8zyM+/sBpIGIgnu80UMw+UTL/PuJZ8uw6C9HhhkMq pyaJb/IzH9nMNqEVMTlBNwXLhP6E3hSGr45a+hGV3QvoHGGEPDoNzOl2R pi8Bs3PwTSqXY5n0Ghk+y5pw6HbuGxRcTmRGI69jRCMPilIG2l6Q6Upis k/6H5ubqtGiVuEjxBAj2BUPhg/YMVJFlSSQZCpKkdDUJKsxOyS2LueVfw 15MUBkWL4Rb4R/af3ImWpQEmtpe9FJfiAeFRo1ozS79qfpoFjaysucxo5 oNFV5B6d8/xnhMqCLztm11CN91Yo3ondonZOv/bC4Uk2kbJXMcO4PYG6q g==; X-CSE-ConnectionGUID: Sy0eIxsDTsW9L7MvI8qSuw== X-CSE-MsgGUID: 2E5C/+qDRzKjX7I5yB+hgQ== X-IronPort-AV: E=McAfee;i="6700,10204,11438"; a="49454634" X-IronPort-AV: E=Sophos;i="6.15,300,1739865600"; d="scan'208";a="49454634" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 May 2025 04:58:41 -0700 X-CSE-ConnectionGUID: X72uw+PSSD+lQfqOOBEWCQ== X-CSE-MsgGUID: OUsHKiHDTIW+hYVZX+BbWQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,300,1739865600"; d="scan'208";a="162639788" Received: from andromeda02.png.intel.com (HELO andromeda02..) ([10.107.232.49]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 May 2025 04:58:40 -0700 From: yogesh.tyagi@intel.com To: openembedded-core@lists.openembedded.org Subject: [PATCH] ltp : backport patch to fix compilation error for Skylake -march=x86-64-v3 Date: Mon, 19 May 2025 19:08:17 +0800 Message-Id: <20250519110817.3781583-1-yogesh.tyagi@intel.com> X-Mailer: git-send-email 2.37.3 MIME-Version: 1.0 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Mon, 19 May 2025 11:58:43 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/216856 From: Yogesh Tyagi When the input compiler enables AVX, stack realignment requirements causes gcc to fail to omit %rbp use, due to which the test fails to clobber %rbp in inline asm. Disable AVX to build the test on x86_64 so that the test continues working. Signed-off-by: Yogesh Tyagi --- ...cve-2015-3290-Disable-AVX-for-x86_64.patch | 42 +++++++++++++++++++ meta/recipes-extended/ltp/ltp_20250130.bb | 1 + 2 files changed, 43 insertions(+) create mode 100644 meta/recipes-extended/ltp/ltp/0001-cve-2015-3290-Disable-AVX-for-x86_64.patch diff --git a/meta/recipes-extended/ltp/ltp/0001-cve-2015-3290-Disable-AVX-for-x86_64.patch b/meta/recipes-extended/ltp/ltp/0001-cve-2015-3290-Disable-AVX-for-x86_64.patch new file mode 100644 index 0000000000..c6fae88eb9 --- /dev/null +++ b/meta/recipes-extended/ltp/ltp/0001-cve-2015-3290-Disable-AVX-for-x86_64.patch @@ -0,0 +1,42 @@ +From 28d823a63ee29f5d72c2aba781a06a7e2651cadc Mon Sep 17 00:00:00 2001 +From: Siddhesh Poyarekar +Date: Mon, 7 Apr 2025 06:24:47 -0400 +Subject: [PATCH] cve-2015-3290: Disable AVX for x86_64 + +When the input compiler enables AVX, stack realignment requirements +causes gcc to fail to omit %rbp use, due to which the test fails to +clobber %rbp in inline asm. Disable AVX to build the test on x86_64 so +that the test continues working. + +Link: https://lore.kernel.org/ltp/20250407102448.2605506-2-siddhesh@gotplt.org/ + +Upstream-Status: Backport [https://github.com/linux-test-project/ltp/commit/28d823a63ee29f5d72c2aba781a06a7e2651cadc] + +Reviewed-by: Martin Doucha +Reviewed-by: Petr Vorel +Signed-off-by: Siddhesh Poyarekar + +--- + testcases/cve/Makefile | 6 ++++++ + 1 file changed, 6 insertions(+) + +diff --git a/testcases/cve/Makefile b/testcases/cve/Makefile +index 01b9b9ccb..98c38e908 100644 +--- a/testcases/cve/Makefile ++++ b/testcases/cve/Makefile +@@ -22,6 +22,12 @@ ifneq (,$(filter $(HOST_CPU),x86 x86_64)) + meltdown: CFLAGS += -msse2 + endif + ++# The test needs to clobber %rbp, which requires frame pointer omission. Also ++# for x86_64, disable AVX since that could sometimes require a stack ++# realignment, which gets in the way of frame pointer omission. + cve-2015-3290: CFLAGS += -pthread -fomit-frame-pointer ++ifeq ($(HOST_CPU),x86_64) ++cve-2015-3290: CFLAGS += -mno-avx ++endif + + include $(top_srcdir)/include/mk/generic_leaf_target.mk +-- +2.37.3 + diff --git a/meta/recipes-extended/ltp/ltp_20250130.bb b/meta/recipes-extended/ltp/ltp_20250130.bb index 690224e6d7..f9521acbc6 100644 --- a/meta/recipes-extended/ltp/ltp_20250130.bb +++ b/meta/recipes-extended/ltp/ltp_20250130.bb @@ -30,6 +30,7 @@ SRC_URI = "git://github.com/linux-test-project/ltp.git;branch=master;protocol=ht file://0001-Remove-OOM-tests-from-runtest-mm.patch \ file://0001-Add-__clear_cache-declaration-for-clang.patch \ file://0001-kernel-kvm-don-t-hardcode-objcopy.patch \ + file://0001-cve-2015-3290-Disable-AVX-for-x86_64.patch \ " S = "${WORKDIR}/git"