From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:42433 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751336AbcGMWrY (ORCPT ); Wed, 13 Jul 2016 18:47:24 -0400 Subject: Patch "ARCv2: Check for LL-SC livelock only if LLSC is enabled" has been added to the 4.4-stable tree To: vgupta@synopsys.com, gregkh@linuxfoundation.org Cc: , From: Date: Thu, 14 Jul 2016 07:47:34 +0900 Message-ID: <146845005489189@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled ARCv2: Check for LL-SC livelock only if LLSC is enabled to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: arcv2-check-for-ll-sc-livelock-only-if-llsc-is-enabled.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 4d0cb15fccd1db9dac0c964b2ccf10874e69f5b8 Mon Sep 17 00:00:00 2001 From: Vineet Gupta Date: Fri, 29 Jan 2016 16:47:44 +0530 Subject: ARCv2: Check for LL-SC livelock only if LLSC is enabled From: Vineet Gupta commit 4d0cb15fccd1db9dac0c964b2ccf10874e69f5b8 upstream. Signed-off-by: Vineet Gupta Signed-off-by: Greg Kroah-Hartman --- arch/arc/kernel/setup.c | 1 + 1 file changed, 1 insertion(+) --- a/arch/arc/kernel/setup.c +++ b/arch/arc/kernel/setup.c @@ -334,6 +334,7 @@ static void arc_chk_core_config(void) panic("FPU non-existent, disable CONFIG_ARC_FPU_SAVE_RESTORE\n"); if (is_isa_arcv2() && IS_ENABLED(CONFIG_SMP) && cpu->isa.atomic && + IS_ENABLED(CONFIG_ARC_HAS_LLSC) && !IS_ENABLED(CONFIG_ARC_STAR_9000923308)) panic("llock/scond livelock workaround missing\n"); } Patches currently in stable-queue which might be from vgupta@synopsys.com are queue-4.4/arcv2-check-for-ll-sc-livelock-only-if-llsc-is-enabled.patch queue-4.4/arcv2-llsc-software-backoff-is-not-needed-starting-hs2.1c.patch