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 X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C30A7C433DB for ; Fri, 29 Jan 2021 15:48:24 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EC86D64D9A for ; Fri, 29 Jan 2021 15:48:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EC86D64D9A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4DS1vn6kPnzDrhY for ; Sat, 30 Jan 2021 02:48:21 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=198.145.29.99; helo=mail.kernel.org; envelope-from=sashal@kernel.org; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=aKqrDMWM; dkim-atps=neutral Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4DS1hk139szDrhh for ; Sat, 30 Jan 2021 02:38:46 +1100 (AEDT) Received: by mail.kernel.org (Postfix) with ESMTPSA id 969DC64E07; Fri, 29 Jan 2021 15:38:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1611934723; bh=8eU1kZakRpD69eguGY0XAU41DgXoTE2EH38U74TnHSQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aKqrDMWM2ApQmVBZt/OCtWD8nzpZF96fC+1iREpuofOTC2PZcIBy5/o2PvwWzK/Hu CtWu5odbMpXnsZzUpz1JEIM+VIL5Ii5/vSlPrfJI0L8rmPQyCdkkc0LUaVp7/PhAfJ hhY/R3PVfQTw4jr337Uh1HbyuGu3drxFqm/MGKd2nMhQB9P9LxcaFz9nMk1Izw62yH 5tA99dEgBSHoqj/7055vFLoZiL8aHcUA0imxD2vu+w4KYRF408FjJqKAJGR8x7d4LO BoEAtway7vn9S+NHoKKhHHvNsDKWfZ51mIm6epYjHTmGaUEPXdqVrMvgooC8ECN4ue 7U/JqkmmGX4Vw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 09/12] selftests/powerpc: Only test lwm/stmw on big endian Date: Fri, 29 Jan 2021 10:38:28 -0500 Message-Id: <20210129153831.1592769-9-sashal@kernel.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210129153831.1592769-1-sashal@kernel.org> References: <20210129153831.1592769-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , linuxppc-dev@lists.ozlabs.org, linux-kselftest@vger.kernel.org, Libor Pechacek Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Michael Ellerman [ Upstream commit dd3a44c06f7b4f14e90065bf05d62c255b20005f ] Newer binutils (>= 2.36) refuse to assemble lmw/stmw when building in little endian mode. That breaks compilation of our alignment handler test: /tmp/cco4l14N.s: Assembler messages: /tmp/cco4l14N.s:1440: Error: `lmw' invalid when little-endian /tmp/cco4l14N.s:1814: Error: `stmw' invalid when little-endian make[2]: *** [../../lib.mk:139: /output/kselftest/powerpc/alignment/alignment_handler] Error 1 These tests do pass on little endian machines, as the kernel will still emulate those instructions even when running little endian (which is arguably a kernel bug). But we don't really need to test that case, so ifdef those instructions out to get the alignment test building again. Reported-by: Libor Pechacek Signed-off-by: Michael Ellerman Tested-by: Libor Pechacek Link: https://lore.kernel.org/r/20210119041800.3093047-1-mpe@ellerman.id.au Signed-off-by: Sasha Levin --- .../testing/selftests/powerpc/alignment/alignment_handler.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/powerpc/alignment/alignment_handler.c b/tools/testing/selftests/powerpc/alignment/alignment_handler.c index 169a8b9719fb9..4f8335e0c9858 100644 --- a/tools/testing/selftests/powerpc/alignment/alignment_handler.c +++ b/tools/testing/selftests/powerpc/alignment/alignment_handler.c @@ -384,7 +384,6 @@ int test_alignment_handler_integer(void) LOAD_DFORM_TEST(ldu); LOAD_XFORM_TEST(ldx); LOAD_XFORM_TEST(ldux); - LOAD_DFORM_TEST(lmw); STORE_DFORM_TEST(stb); STORE_XFORM_TEST(stbx); STORE_DFORM_TEST(stbu); @@ -403,7 +402,11 @@ int test_alignment_handler_integer(void) STORE_XFORM_TEST(stdx); STORE_DFORM_TEST(stdu); STORE_XFORM_TEST(stdux); + +#ifdef __BIG_ENDIAN__ + LOAD_DFORM_TEST(lmw); STORE_DFORM_TEST(stmw); +#endif return rc; } -- 2.27.0