From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AG47ELs2ZkE3VoxeLjf398XUvvARmkop5LUB+uKrb8OkYDHQg7uMCp5sH2wFEqywfkzK3YTuaylB ARC-Seal: i=1; a=rsa-sha256; t=1520966036; cv=none; d=google.com; s=arc-20160816; b=y/YHtzmSm2s5kQQOn/aSJH0PFE0yUCNso3qZpUDiD/UXTHGXEYKGdScF0DA516iU6B 17iHXOHAM24YZMwStvLCRW2RxBp6X3c4vg2vcbavotPATTO30nrBoJYtEC7otnnjQH38 9h0XmggjcO2ai4xqr4GMgl8J0Z3KEJlDCJJxEIj/HyDhjAauuSYH+95qhOOtbe4VsZMX QfPaci0wpe/qPM0MEZ+BDW37/RP42A7EK9nvoTPjMFbSmjHXEJVdYja7ZVamB8HCoarT I4tL0LDoJauKKpqOgm9jum6TRodq4hj8iZ6X1QZDhrtnbLwBRuaEoJJ19mMiA6RkyIHk b0EQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=references:in-reply-to:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=P3r7K1oneOgRUQO5dPxWxOWV/S+Mk6wT9HTRx0CiJdo=; b=MXDJkilJ4JdyZkmhsRmf8h+9acPpr/r5KJ2vNBn2Md6Cd15oIg7D15+IwnoJs+ziFR aaPB+VdH/tX571yQYk5r2I/zRRWsph1ggV75iE1wZFDecUzeKbL6SADiLbETDwLkp2af FNM2sgM9rAKptJwlSjOG5XNJZDTQTkI0MjrWEhbLZM0lVdNJ1K8knRcM+4pwxPg1GEc7 uQAxA1QVEwICC1HaRWxy8sPr69HNsHvdHM4k8kPbIySzwH3gWt3Nac/evWTw0Yc/UOuH 3B5/3c0dFQCmEQbIdCjhqAMGm1aY5KpGuBoB3gHm/LzSc+pw08ObU5HK93WFpmmuy2Ts heVA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of msuchanek@suse.de designates 195.135.220.15 as permitted sender) smtp.mailfrom=msuchanek@suse.de Authentication-Results: mx.google.com; spf=pass (google.com: domain of msuchanek@suse.de designates 195.135.220.15 as permitted sender) smtp.mailfrom=msuchanek@suse.de X-Amavis-Alert: BAD HEADER SECTION, Duplicate header field: "References" From: Michal Suchanek To: linuxppc-dev@lists.ozlabs.org Cc: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Peter Zijlstra , Michal Suchanek , Kate Stewart , Greg Kroah-Hartman , Philippe Ombredanne , Nicholas Piggin , "Tobin C. Harding" , Mahesh Salgaonkar , David Gibson , Al Viro , Michael Neuling , "Oliver O'Halloran" , "Naveen N. Rao" , Madhavan Srinivasan , Masami Hiramatsu , Andrew Morton , Balbir Singh , Sergey Senozhatsky , Christophe Leroy , Andrew Donnellan , Daniel Axtens , Russell Currey , Joe Perches , "Bryant G. Ly" , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , linux-kernel@vger.kernel.org Subject: [PATCH RFC 8/8] powerpc/64: barrier_nospec: Add commandline trigger Date: Tue, 13 Mar 2018 19:33:06 +0100 Message-Id: <8639fc8cb02548d478b041c3a00ad9053fdd8bc4.1520965380.git.msuchanek@suse.de> X-Mailer: git-send-email 2.13.6 In-Reply-To: References: In-Reply-To: References: X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1594848482819509094?= X-GMAIL-MSGID: =?utf-8?q?1594848482819509094?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: Copypasta from rfi implementation Signed-off-by: Michal Suchanek --- arch/powerpc/kernel/setup_64.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index 4b67b7b877d9..257f0e6be107 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -840,6 +840,14 @@ static int __init handle_no_pti(char *p) } early_param("nopti", handle_no_pti); +static int __init handle_no_nospec(char *p) +{ + pr_info("barrier_nospec: disabled on command line."); + no_nospec = true; + return 0; +} +early_param("no_nospec", handle_no_nospec); + static void do_nothing(void *unused) { /* -- 2.13.6