From patchwork Wed Jun 5 20:32:21 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sven Schnelle X-Patchwork-Id: 10977795 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B37DE3E8C for ; Wed, 5 Jun 2019 20:32:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A32B9289F7 for ; Wed, 5 Jun 2019 20:32:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A1163280CF; Wed, 5 Jun 2019 20:32:27 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3381E285AB for ; Wed, 5 Jun 2019 20:32:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726527AbfFEUc1 (ORCPT ); Wed, 5 Jun 2019 16:32:27 -0400 Received: from smtp.duncanthrax.net ([89.31.1.170]:50084 "EHLO smtp.duncanthrax.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726502AbfFEUc0 (ORCPT ); Wed, 5 Jun 2019 16:32:26 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=duncanthrax.net; s=dkim; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From; bh=wchMKd4QnWx9yZ26MZez4ppwTrJJj5iYiSeI3yEAsdw=; b=tTakmL45xf48P4zvWyT6cZy9Sg cDSOHIN9CdwH1aIkNAt80GSCknOInIPHhg7Bsg3nZIpIuDWteedK747glufumUF5xsPkcFaXprW3H FKerpnlxHw138Gg4Q9gzj26KN/UCIwILxZ9rYV629rPZaqnDyM3szkuOfyXOp4e/e+yI=; Received: from [134.3.44.134] (helo=t470p.stackframe.org) by smtp.eurescom.eu with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1hYca9-0004ei-EJ; Wed, 05 Jun 2019 22:32:25 +0200 From: Sven Schnelle To: deller@gmx.de Cc: linux-parisc@vger.kernel.org, Sven Schnelle Subject: [PATCH v3 5/6] compiler.h: add CC_USING_PATCHABLE_FUNCTION_ENTRY Date: Wed, 5 Jun 2019 22:32:21 +0200 Message-Id: <20190605203222.6194-6-svens@stackframe.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190605203222.6194-1-svens@stackframe.org> References: <20190605203222.6194-1-svens@stackframe.org> MIME-Version: 1.0 Sender: linux-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This can be used for architectures implementing dynamic ftrace via -fpatchable-function-entry. Signed-off-by: Sven Schnelle --- include/linux/compiler_types.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h index 19e58b9138a0..095d55c3834d 100644 --- a/include/linux/compiler_types.h +++ b/include/linux/compiler_types.h @@ -112,6 +112,8 @@ struct ftrace_likely_data { #if defined(CC_USING_HOTPATCH) #define notrace __attribute__((hotpatch(0, 0))) +#elif defined(CC_USING_PATCHABLE_FUNCTION_ENTRY) +#define notrace __attribute__((patchable_function_entry(0, 0))) #else #define notrace __attribute__((__no_instrument_function__)) #endif