From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3A354CA0ECF for ; Tue, 12 Sep 2023 12:13:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235015AbjILMOB (ORCPT ); Tue, 12 Sep 2023 08:14:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51428 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235059AbjILMN6 (ORCPT ); Tue, 12 Sep 2023 08:13:58 -0400 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2C57710D9 for ; Tue, 12 Sep 2023 05:13:54 -0700 (PDT) Received: from lhrpeml500005.china.huawei.com (unknown [172.18.147.200]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4RlMnk39zTz67QKJ; Tue, 12 Sep 2023 20:09:14 +0800 (CST) Received: from localhost (10.202.227.76) by lhrpeml500005.china.huawei.com (7.191.163.240) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.31; Tue, 12 Sep 2023 13:13:52 +0100 Date: Tue, 12 Sep 2023 13:13:51 +0100 From: Jonathan Cameron To: Gregory Price CC: , , , , Gregory Price Subject: Re: [PATCH v3 2/6] cxl/type3: Cleanup multiple CXL_TYPE3() calls in read/write functions Message-ID: <20230912131351.00007e5e@Huawei.com> In-Reply-To: <20230906001517.324380-3-gregory.price@memverge.com> References: <20230906001517.324380-1-gregory.price@memverge.com> <20230906001517.324380-3-gregory.price@memverge.com> Organization: Huawei Technologies Research and Development (UK) Ltd. X-Mailer: Claws Mail 4.1.0 (GTK 3.24.33; x86_64-w64-mingw32) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.202.227.76] X-ClientProxiedBy: lhrpeml500001.china.huawei.com (7.191.163.213) To lhrpeml500005.china.huawei.com (7.191.163.240) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-cxl@vger.kernel.org On Tue, 5 Sep 2023 20:15:13 -0400 Gregory Price wrote: > Call CXL_TYPE3 once at top of function to avoid multiple invocations. > > Signed-off-by: Gregory Price This one is queued up in a set I posted for Michael to hopefully pick up. So no need to keep it in this series (I'll post tree short etc) Jonathan > --- > hw/mem/cxl_type3.c | 10 ++++++---- > 1 file changed, 6 insertions(+), 4 deletions(-) > > diff --git a/hw/mem/cxl_type3.c b/hw/mem/cxl_type3.c > index fd9d134d46..80d596ee10 100644 > --- a/hw/mem/cxl_type3.c > +++ b/hw/mem/cxl_type3.c > @@ -1248,17 +1248,18 @@ static int cxl_type3_hpa_to_as_and_dpa(CXLType3Dev *ct3d, > MemTxResult cxl_type3_read(PCIDevice *d, hwaddr host_addr, uint64_t *data, > unsigned size, MemTxAttrs attrs) > { > + CXLType3Dev *ct3d = CXL_TYPE3(d); > uint64_t dpa_offset = 0; > AddressSpace *as = NULL; > int res; > > - res = cxl_type3_hpa_to_as_and_dpa(CXL_TYPE3(d), host_addr, size, > + res = cxl_type3_hpa_to_as_and_dpa(ct3d, host_addr, size, > &as, &dpa_offset); > if (res) { > return MEMTX_ERROR; > } > > - if (sanitize_running(&CXL_TYPE3(d)->cci)) { > + if (sanitize_running(&ct3d->cci)) { > qemu_guest_getrandom_nofail(data, size); > return MEMTX_OK; > } > @@ -1268,16 +1269,17 @@ MemTxResult cxl_type3_read(PCIDevice *d, hwaddr host_addr, uint64_t *data, > MemTxResult cxl_type3_write(PCIDevice *d, hwaddr host_addr, uint64_t data, > unsigned size, MemTxAttrs attrs) > { > + CXLType3Dev *ct3d = CXL_TYPE3(d); > uint64_t dpa_offset = 0; > AddressSpace *as = NULL; > int res; > > - res = cxl_type3_hpa_to_as_and_dpa(CXL_TYPE3(d), host_addr, size, > + res = cxl_type3_hpa_to_as_and_dpa(ct3d, host_addr, size, > &as, &dpa_offset); > if (res) { > return MEMTX_ERROR; > } > - if (sanitize_running(&CXL_TYPE3(d)->cci)) { > + if (sanitize_running(&ct3d->cci)) { > return MEMTX_OK; > } > return address_space_write(as, dpa_offset, attrs, &data, size);