Message ID | 20181113055242.79261-5-sashal@kernel.org |
---|---|
State | Not Applicable |
Headers | show
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Received: from mail.kernel.org ([198.145.29.99]) by casper.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gMRdB-0005QJ-DT for linux-um@lists.infradead.org; Tue, 13 Nov 2018 05:52:59 +0000 Received: from sasha-vm.mshome.net (unknown [64.114.255.114]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id ED1CC22507; Tue, 13 Nov 2018 05:52:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1542088369; bh=YqMYyZypG78OBA+QdDwPE7r3jNLY5Y8eEvucPt+u9yc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=r6yTZSgsW5VidzsfTmlLgUf2CnvVTVmBKgxZ9Feho6HyLqnPjdtuxDGMZUtt/NgeM t2+kfi0HlS6/UUfy2PdBaZWHCnizHGyD/8W8VWJo+ZvmICsrcgJs4vU5Zxwm16hj8+ A10oBQlcwhvdgJPYCZ5IMq6le5RMLtx5/V2n3ttI= From: Sasha Levin <sashal@kernel.org> To: stable@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH AUTOSEL 4.4 05/11] um: Give start_idle_thread() a return code Date: Tue, 13 Nov 2018 00:52:36 -0500 Message-Id: <20181113055242.79261-5-sashal@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181113055242.79261-1-sashal@kernel.org> References: <20181113055242.79261-1-sashal@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181113_055257_627520_1055B059 X-CRM114-Status: GOOD ( 11.35 ) X-Spam-Score: -5.7 (-----) X-Spam-Report: SpamAssassin version 3.4.1 on casper.infradead.org summary: Content analysis details: (-5.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.6 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: <linux-um.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-um>, <mailto:linux-um-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-um/> List-Post: <mailto:linux-um@lists.infradead.org> List-Help: <mailto:linux-um-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-um>, <mailto:linux-um-request@lists.infradead.org?subject=subscribe> Cc: Sasha Levin <sashal@kernel.org>, Richard Weinberger <richard@nod.at>, linux-um@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-um" <linux-um-bounces@lists.infradead.org> Errors-To: linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org |
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diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c index b856c66ebd3a..6dbf27ffafc8 100644 --- a/arch/um/os-Linux/skas/process.c +++ b/arch/um/os-Linux/skas/process.c @@ -585,6 +585,11 @@ int start_idle_thread(void *stack, jmp_buf *switch_buf) fatal_sigsegv(); } longjmp(*switch_buf, 1); + + /* unreachable */ + printk(UM_KERN_ERR "impossible long jump!"); + fatal_sigsegv(); + return 0; } void initial_thread_cb_skas(void (*proc)(void *), void *arg)