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 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 27778C433EF for ; Thu, 23 Jun 2022 01:54:15 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4LT3Fx4x61z3cd5 for ; Thu, 23 Jun 2022 11:54:13 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=huawei.com (client-ip=45.249.212.188; helo=szxga02-in.huawei.com; envelope-from=chenzhongjin@huawei.com; receiver=) Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) (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 4LT3CD5NLtz3bq3 for ; Thu, 23 Jun 2022 11:51:52 +1000 (AEST) Received: from dggpemm500023.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4LT39C0y0fzkWSs; Thu, 23 Jun 2022 09:50:07 +0800 (CST) Received: from dggpemm500013.china.huawei.com (7.185.36.172) by dggpemm500023.china.huawei.com (7.185.36.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Thu, 23 Jun 2022 09:51:49 +0800 Received: from ubuntu1804.huawei.com (10.67.175.36) by dggpemm500013.china.huawei.com (7.185.36.172) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Thu, 23 Jun 2022 09:51:48 +0800 From: Chen Zhongjin To: , , , , , Subject: [PATCH v6 16/33] arm64: kgdb: Add reachable annotation after kgdb brk Date: Thu, 23 Jun 2022 09:49:00 +0800 Message-ID: <20220623014917.199563-17-chenzhongjin@huawei.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220623014917.199563-1-chenzhongjin@huawei.com> References: <20220623014917.199563-1-chenzhongjin@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.175.36] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpemm500013.china.huawei.com (7.185.36.172) X-CFilter-Loop: Reflected 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: mark.rutland@arm.com, madvenka@linux.microsoft.com, daniel.thompson@linaro.org, michal.lkml@markovi.net, pasha.tatashin@soleen.com, peterz@infradead.org, catalin.marinas@arm.com, masahiroy@kernel.org, ndesaulniers@google.com, chenzhongjin@huawei.com, rmk+kernel@armlinux.org.uk, broonie@kernel.org, will@kernel.org, jpoimboe@kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" In the general use case, KGDB breakpoint handler should return normally to the instruction following the brk. Signed-off-by: Julien Thierry Signed-off-by: Chen Zhongjin --- arch/arm64/include/asm/kgdb.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/include/asm/kgdb.h b/arch/arm64/include/asm/kgdb.h index 21fc85e9d2be..a8cb91d8d59b 100644 --- a/arch/arm64/include/asm/kgdb.h +++ b/arch/arm64/include/asm/kgdb.h @@ -19,6 +19,7 @@ static inline void arch_kgdb_breakpoint(void) { asm ("brk %0" : : "I" (KGDB_COMPILED_DBG_BRK_IMM)); + annotate_reachable(); } extern void kgdb_handle_bus_error(void); -- 2.17.1