From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f169.google.com (mail-pf1-f169.google.com [209.85.210.169]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 853451CFEDC; Thu, 22 Aug 2024 18:51:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.169 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724352677; cv=none; b=r8KXZO57zUSKoLHYPqcEgGMSfz88GilQnBwrRdmhTxFHifgvQNqoTrE1zEq8V506v3t+L03ZTrLM/xCqpY5p5rjc3DR9sug/LfRDyCpKe4p3lEnEGJJqq3Jn1FV6NXX35IZ8c/Bn3VUPx0FM/VSTO/CwUg+vXrd8JhcxFoJJ49w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724352677; c=relaxed/simple; bh=BMaJraMoHW/uTcAAbNBLAoYUBCVavP6nfwEms4SDDjI=; h=From:Date:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ESI3dz3I5NkH95czf8s5rxHLJUz3dTf0piFCQaeL7OjVP/mij/BDGWRBFB904ViQa0AnpptPk8+ziz4AB9xcnYSp4v7lONraMRM2veDFhxH8PBLceMA4btR9N+1zNpaPoHVd1njupDKyJZdEjm/askn06t4KbU5huyCL9SLXlPE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=jzH5aXbY; arc=none smtp.client-ip=209.85.210.169 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="jzH5aXbY" Received: by mail-pf1-f169.google.com with SMTP id d2e1a72fcca58-712603f7ba5so1037402b3a.3; Thu, 22 Aug 2024 11:51:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1724352675; x=1724957475; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:date:from:from:to:cc:subject:date:message-id:reply-to; bh=J81lmutdj2KlSQdcZOXvnz9hu8mbU7IQ+55GNUYcZ9U=; b=jzH5aXbYgJjpjGdPmfXwO2QvLyLdEF7HYodE6+KSlYjq4/W3OXp+X966GhOdpD4SVt 7vLO5tAS0kbJOnjxuHgImZLxvkLZilhoi36Tqws5O3W3+Qdz5cJa7pSgnSfmVN2Pqxx8 ecE00nL6qj3WLQHgJpxph60rXXnvQuPhKzrmBrxQvdL2NUZjINbyG5DN1bTpa6BfeWhm 2gfcayD5ev8u6n3fjVA+Eg1ns1owwDgcwsKogOVav4a7qeCQJpcmQ6cMW4YKMb8ZtKxE 52t5dDph/+aTqc+a0MudxdKcvyc1I+w6nUlfk0Dan/lhy9fTbpk7bCWYGO1g46tZMMGI U7kw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724352675; x=1724957475; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:date:from:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=J81lmutdj2KlSQdcZOXvnz9hu8mbU7IQ+55GNUYcZ9U=; b=sOyRzRVXu09uFNVoQ7m5MEDavtgZjRAp+kgu1hqgpYMsPhvyfnMYdhiDBTVqxaEam1 VBlR0HChD0n3Li/8/W2hOReY0YDHv+OyX5+UACXwfXVcmAhcMHl96KoFUHTUjd8lUwWk oEGUvjOYxfCGu8EUzIe2dm9vU6lbCBKzLVHlNxHY7FypivOs7Y80jf6jO0wApWW0TYP+ UAUZUyrJSPbwyS/hQEZL6gJhwjfUt0FENY8k9An/1559l7eUyqhd78p0CTW8tfPDwn5H GquACSRvobNQ7+6SFjE0L4f6ioa9yAZttdh1lxX0C9guObD7dCyqzpo7ftDkPa/Qbb9z haNQ== X-Forwarded-Encrypted: i=1; AJvYcCU3GA//GgMERsRTN/IxAbz1zZ2oMMsGQe2nMUNH2165x1cbVPO4yUhkmY3DIKz+vsO/uIOO6lsnE9h0@vger.kernel.org, AJvYcCU8i6+Qzdyt/hZDI5jILgJo+wmTLrTJ+F+phDOBDijdZ3xkHsWj3WcRTPJbEX+RPNF0BzNTKzpk83D7@vger.kernel.org, AJvYcCVEzTQPbyNWrmfDiX+ZrOoTPFoV/0Cr1nMjRSgZZT1n5vkmfI9+PmFVrppZ4hmKbhGuAfi8hcN3twL6sw==@vger.kernel.org, AJvYcCWSM1lffj9EoWFaRjtZ0xQNXc5TtNcJgV82cry/MneQbRpZ0g9/xO+yNt600tGRMd27FN29BAXtuwUPU2O2@vger.kernel.org X-Gm-Message-State: AOJu0Yy0DQQPd/OR8jsFUrcHkXTA+93EnxWtSN3oVp2PscbKdhXaCLj9 /ua4vyc8TpxasDiFCCnX2xktXLLl8l2EXmGYj7Ecg5+eV/nGmqV3 X-Google-Smtp-Source: AGHT+IEF0d6znvPzsgpm+l7k2pe8qs2gPRoOY9hWFl4DKRKm6TccoUkj66s9kz+p/4KrUyY7XxuRpQ== X-Received: by 2002:a05:6a20:6f05:b0:1c4:8650:d6db with SMTP id adf61e73a8af0-1cad81455eamr8444970637.40.1724352674618; Thu, 22 Aug 2024 11:51:14 -0700 (PDT) Received: from fan ([2601:646:8f03:9fee:3cd4:f45f:79d:1096]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-714342ffde2sm1758302b3a.145.2024.08.22.11.51.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Aug 2024 11:51:14 -0700 (PDT) From: Fan Ni X-Google-Original-From: Fan Ni Date: Thu, 22 Aug 2024 11:51:12 -0700 To: Ira Weiny Cc: Dave Jiang , Jonathan Cameron , Navneet Singh , Chris Mason , Josef Bacik , David Sterba , Petr Mladek , Steven Rostedt , Andy Shevchenko , Rasmus Villemoes , Sergey Senozhatsky , Jonathan Corbet , Andrew Morton , Dan Williams , Davidlohr Bueso , Alison Schofield , Vishal Verma , linux-btrfs@vger.kernel.org, linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, nvdimm@lists.linux.dev Subject: Re: [PATCH v3 12/25] cxl/region: Refactor common create region code Message-ID: References: <20240816-dcd-type2-upstream-v3-0-7c9b96cba6d7@intel.com> <20240816-dcd-type2-upstream-v3-12-7c9b96cba6d7@intel.com> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240816-dcd-type2-upstream-v3-12-7c9b96cba6d7@intel.com> On Fri, Aug 16, 2024 at 09:44:20AM -0500, Ira Weiny wrote: > create_pmem_region_store() and create_ram_region_store() are identical > with the exception of the region mode. With the addition of DC region > mode this would end up being 3 copies of the same code. > > Refactor create_pmem_region_store() and create_ram_region_store() to use > a single common function to be used in subsequent DC code. > > Suggested-by: Fan Ni > Signed-off-by: Ira Weiny > --- Reviewed-by: Fan Ni > drivers/cxl/core/region.c | 28 +++++++++++----------------- > 1 file changed, 11 insertions(+), 17 deletions(-) > > diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c > index 650fe33f2ed4..f85b26b39b2f 100644 > --- a/drivers/cxl/core/region.c > +++ b/drivers/cxl/core/region.c > @@ -2553,9 +2553,8 @@ static struct cxl_region *__create_region(struct cxl_root_decoder *cxlrd, > return devm_cxl_add_region(cxlrd, id, mode, CXL_DECODER_HOSTONLYMEM); > } > > -static ssize_t create_pmem_region_store(struct device *dev, > - struct device_attribute *attr, > - const char *buf, size_t len) > +static ssize_t create_region_store(struct device *dev, const char *buf, > + size_t len, enum cxl_region_mode mode) > { > struct cxl_root_decoder *cxlrd = to_cxl_root_decoder(dev); > struct cxl_region *cxlr; > @@ -2565,31 +2564,26 @@ static ssize_t create_pmem_region_store(struct device *dev, > if (rc != 1) > return -EINVAL; > > - cxlr = __create_region(cxlrd, CXL_REGION_PMEM, id); > + cxlr = __create_region(cxlrd, mode, id); > if (IS_ERR(cxlr)) > return PTR_ERR(cxlr); > > return len; > } > + > +static ssize_t create_pmem_region_store(struct device *dev, > + struct device_attribute *attr, > + const char *buf, size_t len) > +{ > + return create_region_store(dev, buf, len, CXL_REGION_PMEM); > +} > DEVICE_ATTR_RW(create_pmem_region); > > static ssize_t create_ram_region_store(struct device *dev, > struct device_attribute *attr, > const char *buf, size_t len) > { > - struct cxl_root_decoder *cxlrd = to_cxl_root_decoder(dev); > - struct cxl_region *cxlr; > - int rc, id; > - > - rc = sscanf(buf, "region%d\n", &id); > - if (rc != 1) > - return -EINVAL; > - > - cxlr = __create_region(cxlrd, CXL_REGION_RAM, id); > - if (IS_ERR(cxlr)) > - return PTR_ERR(cxlr); > - > - return len; > + return create_region_store(dev, buf, len, CXL_REGION_RAM); > } > DEVICE_ATTR_RW(create_ram_region); > > > -- > 2.45.2 >