From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from wout2-smtp.messagingengine.com (wout2-smtp.messagingengine.com [64.147.123.25]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 12E3E134DD for ; Thu, 7 Sep 2023 18:09:28 +0000 (UTC) Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.west.internal (Postfix) with ESMTP id E4887320099B; Thu, 7 Sep 2023 14:09:27 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute4.internal (MEProxy); Thu, 07 Sep 2023 14:09:28 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= joshtriplett.org; h=cc:cc:content-type:content-type:date:date :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:sender:subject:subject:to:to; s=fm3; t= 1694110167; x=1694196567; bh=LBA6H6bkKgfZDVO638EkCYdaffYLDMTRGDB F3VMYrGc=; b=PA8kQw7Y28LJX4WtI0BJEs+NzwJUCPqpDG9op7/FxHCif4ZOZ4+ SxYGWkSVvAL5dPE99dlNBnimCq1LnXxPgf4FwBp4xHrM1F7yFD9IN+J683Xnentm 4q1BSMyZ4/4x10/KnFj1YaYIuvoa1odPdC5hRLO1qcIv9yTc/2AcZB5rrIBIvm/E otgFGi5MYlTaHiJrXILY6FMSd0wcvHewfftAT1HDH2FjWTu4pZj55EAG+XbyZYOU 3bumxffEDvQ43zqS/AdzODIsLLWudQAq45HsjQUqKl9Eg1SBWj0HCkV+B9RnqsT+ zyVjRfvbZVmIxUTJSiz27m/l1eXeHt/EZOg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:content-type:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:sender:subject :subject:to:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; t=1694110167; x=1694196567; bh=LBA6H6bkKgfZD VO638EkCYdaffYLDMTRGDBF3VMYrGc=; b=ZFMXw7D3iTNh37nnJAAo0fXPGcxOH 0w/UC1x35zGBzTpWPFP1pYKz0nBZxyEN9EKJ/UveEtASBGVprUxCyIahHGwN0cho nCXFQFR3LbQcx6nuY5bvuXaXAnQIeOwvb3slEb7eMfx617CEz9WJU1JxxQ+12ZiE 2rolc3UoDj3NkDCY+cOz/keLUsOO2aHCFNhfqldiEmf4nBJ+bM/oWX5EAEJO9dI2 7DhRajYQtF2Y0fl2jbVpCrglg3Ro8yoUMyp49cPGJudyWJj/OYGvY6wN8VKhHCqe p3JGUH9pJHIsQTuf7H6NYIsqroyOxPtQQQQXZY+kIgeBApxosty5gWe+w== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedviedrudehhedguddvvdcutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd enucfjughrpeffhffvvefukfhfgggtuggjsehttdertddttddvnecuhfhrohhmpeflohhs hhcuvfhrihhplhgvthhtuceojhhoshhhsehjohhshhhtrhhiphhlvghtthdrohhrgheqne cuggftrfgrthhtvghrnhepgeejudeutdelfeeugfdvgefhheeuhfetffeftedvffegkeet hefhhedtvddtgeeinecuffhomhgrihhnpehgihhthhhusgdrtghomhenucevlhhushhtvg hrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpehjohhshhesjhhoshhhthhr ihhplhgvthhtrdhorhhg X-ME-Proxy: Feedback-ID: i83e94755:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 7 Sep 2023 14:09:26 -0400 (EDT) Date: Thu, 7 Sep 2023 11:09:25 -0700 From: Josh Triplett To: Nick Alcock Cc: kernel test robot , oe-kbuild-all@lists.linux.dev Subject: Re: [lkp] [+168 bytes kernel size regression] [i386-tinyconfig] [051cfd2102] waitfd: new syscall implementing waitpid() over fds Message-ID: References: <20230906152316.tXAcC%lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230906152316.tXAcC%lkp@intel.com> Hi Nick, On Wed, Sep 06, 2023 at 11:23:16PM +0800, kernel test robot wrote: > FYI, we noticed a +168 bytes kernel size regression due to commit: > > commit: 051cfd2102807119e31bdd4947d18388b3df5fd3 (waitfd: new syscall implementing waitpid() over fds) > https://github.com/oracle/dtrace-linux-kernel v2/6.5 Could you please add a Kconfig option for the new system call, similar to those for other new system calls? Thank you.