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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 126A9C432BE for ; Tue, 31 Aug 2021 17:51:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E828660E98 for ; Tue, 31 Aug 2021 17:51:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240525AbhHaRv4 (ORCPT ); Tue, 31 Aug 2021 13:51:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56288 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240513AbhHaRvx (ORCPT ); Tue, 31 Aug 2021 13:51:53 -0400 Received: from mail-pl1-x62d.google.com (mail-pl1-x62d.google.com [IPv6:2607:f8b0:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2CF34C061575 for ; Tue, 31 Aug 2021 10:50:58 -0700 (PDT) Received: by mail-pl1-x62d.google.com with SMTP id j2so11115360pll.1 for ; Tue, 31 Aug 2021 10:50:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ec4R9DdZqys8Bz/jvtq0TvEjkN7ulj4EpdQp38psGI0=; b=IkbzhqU6lvehapEShI4MMtiHyRVB62dIrmmSEbmZa1DsRMewWmHqxJENNAauuQ6s5w yNGXcNUYvrUScaMVXR5ym2S5eaT1oZRkccEKbzBLJqDmOAoU71QRIuIZdcqOK1BvKGxg X4yFOLcU9oY2qnUx/mgO3/by70nKm3IIFySZd8PYUivySzI0SJg5aNUadE1eMrVXqglo v5S1MXDIwFDQIrhL6t0ufDQS6gWpd7wDSBMoCBx1GAgRoLzxkesNtpz1pOAPChPSJwkI Hbh/Qxl5b28c+Ohqumk35aqLgp9zA7N7q/DKijYgAoUq/uRx54ypzS9NnARlHTaT8n62 A6kA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ec4R9DdZqys8Bz/jvtq0TvEjkN7ulj4EpdQp38psGI0=; b=aCEWSgzDQv2KkpimXMq1xURh/EbiDypJHQevq6G8Or3b56wYkzDJZcqcacNJZJ/76E 5Xu4Fwk2i+pcfAA5YDmoHI00BRYIxhKlTXMBoQZQc3oy87NbW7vOlQXeqNN1IIw2EFA/ PB9OFBgDHZrIkQl0XK+ZEv/g9iUQtD3Ja2BYlgCo2bUMvKYw9NiOndnd4J1oL9Mo8w1g ZhIj7QhbpCDyX1Hgmn1HcUhIOlNJotzrPBOy0GmZRra4Obx7pLe0DnVPjPlyIAXLyPa1 nP7oEvlMzOqrIuIe+LbHuQI5gwqusFliMQX8l/bhrB8DfJBWtp46cddhECkUOlWYv5rO DXjQ== X-Gm-Message-State: AOAM5323Lla0x7WzdYcEmZCBYxt/bNAbwkeq8zv17HdYAzUiO4Pj+83v IVfLfLE4P/WgeLHKVFmQ/XPSIo3/uT0= X-Google-Smtp-Source: ABdhPJzAmElP6ge2XbbXnt9ZEXgwMoNIiDtIECdeGNcSF7+SZZWXZ8GRDqCjy2tgWolDd9K7sk2Phw== X-Received: by 2002:a17:902:7c98:b0:131:21fd:3717 with SMTP id y24-20020a1709027c9800b0013121fd3717mr5751373pll.53.1630432257576; Tue, 31 Aug 2021 10:50:57 -0700 (PDT) Received: from localhost ([47.251.3.230]) by smtp.gmail.com with ESMTPSA id y2sm3855533pjl.6.2021.08.31.10.50.56 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 31 Aug 2021 10:50:57 -0700 (PDT) From: Lai Jiangshan To: linux-kernel@vger.kernel.org Cc: Lai Jiangshan , Andy Lutomirski , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" Subject: [PATCH 05/24] x86/entry: Introduce __entry_text for entry code written in C Date: Wed, 1 Sep 2021 01:50:06 +0800 Message-Id: <20210831175025.27570-6-jiangshanlai@gmail.com> X-Mailer: git-send-email 2.19.1.6.gb485710b In-Reply-To: <20210831175025.27570-1-jiangshanlai@gmail.com> References: <20210831175025.27570-1-jiangshanlai@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lai Jiangshan Some entry code will be implemented in traps.c. We need __entry_text to set them in .entry.text section. Signed-off-by: Lai Jiangshan --- arch/x86/entry/traps.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/x86/entry/traps.c b/arch/x86/entry/traps.c index f71db7934f90..ef07ae5fb3a0 100644 --- a/arch/x86/entry/traps.c +++ b/arch/x86/entry/traps.c @@ -69,6 +69,11 @@ extern unsigned char native_irq_return_iret[]; extern unsigned char asm_load_gs_index_gs_change[]; +/* Entry code written in C. Must be only used in traps.c */ +#define __entry_text \ + noinline notrace __attribute((__section__(".entry.text"))) \ + __no_kcsan __no_sanitize_address __no_profile __no_sanitize_coverage + #else #include #include -- 2.19.1.6.gb485710b