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[209.132.180.67]) by mx.google.com with ESMTP id c8si15058947pgl.507.2019.01.22.01.12.50; Tue, 22 Jan 2019 01:13:06 -0800 (PST) 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; 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727552AbfAVJLr convert rfc822-to-8bit (ORCPT + 99 others); Tue, 22 Jan 2019 04:11:47 -0500 Received: from mga02.intel.com ([134.134.136.20]:27132 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727208AbfAVJLq (ORCPT ); Tue, 22 Jan 2019 04:11:46 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Jan 2019 01:11:45 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,505,1539673200"; d="scan'208";a="116440142" Received: from irsmsx107.ger.corp.intel.com ([163.33.3.99]) by fmsmga007.fm.intel.com with ESMTP; 22 Jan 2019 01:11:43 -0800 Received: from irsmsx111.ger.corp.intel.com (10.108.20.4) by IRSMSX107.ger.corp.intel.com (163.33.3.99) with Microsoft SMTP Server (TLS) id 14.3.408.0; Tue, 22 Jan 2019 09:11:43 +0000 Received: from irsmsx102.ger.corp.intel.com ([169.254.2.65]) by irsmsx111.ger.corp.intel.com ([169.254.2.160]) with mapi id 14.03.0415.000; Tue, 22 Jan 2019 09:11:43 +0000 From: "Reshetova, Elena" To: Oleg Nesterov CC: "mingo@redhat.com" , "peterz@infradead.org" , "linux-kernel@vger.kernel.org" , "linux-fsdevel@vger.kernel.org" , "viro@zeniv.linux.org.uk" , "akpm@linux-foundation.org" , "keescook@chromium.org" , "tglx@linutronix.de" Subject: RE: [PATCH 2/5] sched: convert signal_struct.sigcnt to refcount_t Thread-Topic: [PATCH 2/5] sched: convert signal_struct.sigcnt to refcount_t Thread-Index: AQHUryk/+6USNNTpGUy8c415xyULQ6W5/xiAgAEHKeA= Date: Tue, 22 Jan 2019 09:11:42 +0000 Message-ID: <2236FBA76BA1254E88B949DDB74E612BA4B8B877@IRSMSX102.ger.corp.intel.com> References: <1547814450-18902-1-git-send-email-elena.reshetova@intel.com> <1547814450-18902-3-git-send-email-elena.reshetova@intel.com> <20190121172822.GB8088@redhat.com> In-Reply-To: <20190121172822.GB8088@redhat.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-version: 11.0.400.15 dlp-reaction: no-action x-originating-ip: [163.33.239.182] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On 01/18, Elena Reshetova wrote: > > > > For the signal_struct.sigcnt it might make a difference > > in following places: > > - put_signal_struct(): decrement in refcount_dec_and_test() only > > provides RELEASE ordering and control dependency on success > > vs. fully ordered atomic counterpart > > this is fine. > > Reviewed-by: Oleg Nesterov Thank you Oleg! Will you be able to take this and the other scheduler patch to whatever tree/path it should normally go to get eventually integrated? Best Regards, Elena.