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[209.132.180.67]) by mx.google.com with ESMTP id g81si7284609oia.8.2020.03.31.09.05.55; Tue, 31 Mar 2020 09:06:47 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@c-s.fr header.s=mail header.b=BCXQU88e; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731382AbgCaQEU (ORCPT + 99 others); Tue, 31 Mar 2020 12:04:20 -0400 Received: from pegase1.c-s.fr ([93.17.236.30]:14897 "EHLO pegase1.c-s.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730286AbgCaQDk (ORCPT ); Tue, 31 Mar 2020 12:03:40 -0400 Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 48sDdj348Kz9twdX; Tue, 31 Mar 2020 18:03:37 +0200 (CEST) Authentication-Results: localhost; dkim=pass reason="1024-bit key; insecure key" header.d=c-s.fr header.i=@c-s.fr header.b=BCXQU88e; dkim-adsp=pass; dkim-atps=neutral X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id M_F69GJ2S8CV; Tue, 31 Mar 2020 18:03:37 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 48sDdj1y8Fz9twdT; Tue, 31 Mar 2020 18:03:37 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=c-s.fr; s=mail; t=1585670617; bh=s4fgZNE21fk07dfy8L9ZfeUugmrhM/7jqo4Mqhh8ugc=; h=In-Reply-To:References:From:Subject:To:Cc:Date:From; b=BCXQU88ehVMJf8FvnevA/JSgzSOsNAfYYlZLJEtSBxUK69J28KJo36+7mvf6BITsf 9JX6RFwAWxfCOl4h2SJIG31xLnAQFeVQiEmHM7XV0xDOnCDDWDAdmcXWbEP2f1O7wJ DudSRmsDCsQB8AOdXem7s1Z8LmBbIYLY/IZHk+Kg= Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id B0D208B86B; Tue, 31 Mar 2020 18:03:38 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id rCS9AIcjsD0w; Tue, 31 Mar 2020 18:03:38 +0200 (CEST) Received: from pc16570vm.idsi0.si.c-s.fr (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 62A4B8B752; Tue, 31 Mar 2020 18:03:38 +0200 (CEST) Received: by pc16570vm.idsi0.si.c-s.fr (Postfix, from userid 0) id 53303656AC; Tue, 31 Mar 2020 16:03:38 +0000 (UTC) Message-Id: <3ac4ab8dd7008b9706d9228a60645a1756fa84bf.1585670437.git.christophe.leroy@c-s.fr> In-Reply-To: <1ae02b6637b87fc5aaa1d5012c3e2cb30e62b4a3.1585670437.git.christophe.leroy@c-s.fr> References: <1ae02b6637b87fc5aaa1d5012c3e2cb30e62b4a3.1585670437.git.christophe.leroy@c-s.fr> From: Christophe Leroy Subject: [PATCH v2 03/12] powerpc/83xx: Blacklist mpc83xx_deep_resume() for kprobe To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , naveen.n.rao@linux.vnet.ibm.com Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Date: Tue, 31 Mar 2020 16:03:38 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org kprobe does not handle events happening in real mode, all functions running with MMU disabled have to be blacklisted. Signed-off-by: Christophe Leroy Acked-by: Naveen N. Rao --- arch/powerpc/platforms/83xx/suspend-asm.S | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/platforms/83xx/suspend-asm.S b/arch/powerpc/platforms/83xx/suspend-asm.S index 3acd7470dc5e..bc6bd4d0ae96 100644 --- a/arch/powerpc/platforms/83xx/suspend-asm.S +++ b/arch/powerpc/platforms/83xx/suspend-asm.S @@ -548,3 +548,4 @@ mpc83xx_deep_resume: mtdec r0 rfi +_ASM_NOKPROBE_SYMBOL(mpc83xx_deep_resume) -- 2.25.0