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 X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E6F94C43142 for ; Mon, 30 Jul 2018 18:35:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9CB3720840 for ; Mon, 30 Jul 2018 18:35:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9CB3720840 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=padovan.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731557AbeG3ULT (ORCPT ); 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Mon, 30 Jul 2018 11:35:01 -0700 (PDT) Received: from juma ([177.73.70.202]) by smtp.gmail.com with ESMTPSA id t127-v6sm3789656qkd.1.2018.07.30.11.34.57 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 30 Jul 2018 11:35:01 -0700 (PDT) Date: Mon, 30 Jul 2018 15:34:54 -0300 From: Gustavo Padovan To: Souptick Joarder Cc: willy@infradead.org, airlied@linux.ie, daniel.vetter@ffwll.ch, rodrigosiqueiramelo@gmail.com, gustavo.padovan@collabora.com, hamohammed.sa@gmail.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: Re: [PATCH v2] drm/vkms: Use new return type vm_fault_t Message-ID: <20180730183454.GA5400@juma> References: <20180726144549.GA9434@jordon-HP-15-Notebook-PC> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180726144549.GA9434@jordon-HP-15-Notebook-PC> User-Agent: Mutt/1.10.0 (2018-05-17) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Souptick, On Thu, Jul 26, 2018 at 08:15:49PM +0530, Souptick Joarder wrote: > Use new return type vm_fault_t for fault handler. > > Signed-off-by: Souptick Joarder > --- > v2: Updated patch title > > drivers/gpu/drm/vkms/vkms_drv.h | 2 +- > drivers/gpu/drm/vkms/vkms_gem.c | 5 ++--- > 2 files changed, 3 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/vkms/vkms_drv.h b/drivers/gpu/drm/vkms/vkms_drv.h > index 07be29f..d5d04a8 100644 > --- a/drivers/gpu/drm/vkms/vkms_drv.h > +++ b/drivers/gpu/drm/vkms/vkms_drv.h > @@ -65,7 +65,7 @@ struct drm_gem_object *vkms_gem_create(struct drm_device *dev, > u32 *handle, > u64 size); > > -int vkms_gem_fault(struct vm_fault *vmf); > +vm_fault_t vkms_gem_fault(struct vm_fault *vmf); > > int vkms_dumb_create(struct drm_file *file, struct drm_device *dev, > struct drm_mode_create_dumb *args); > diff --git a/drivers/gpu/drm/vkms/vkms_gem.c b/drivers/gpu/drm/vkms/vkms_gem.c > index c7e3836..62e05dc 100644 > --- a/drivers/gpu/drm/vkms/vkms_gem.c > +++ b/drivers/gpu/drm/vkms/vkms_gem.c > @@ -43,14 +43,14 @@ void vkms_gem_free_object(struct drm_gem_object *obj) > kfree(gem); > } > > -int vkms_gem_fault(struct vm_fault *vmf) > +vm_fault_t vkms_gem_fault(struct vm_fault *vmf) > { > struct vm_area_struct *vma = vmf->vma; > struct vkms_gem_object *obj = vma->vm_private_data; > unsigned long vaddr = vmf->address; > pgoff_t page_offset; > loff_t num_pages; > - int ret; > + vm_fault_t ret = VM_FAULT_SIGBUS; > > page_offset = (vaddr - vma->vm_start) >> PAGE_SHIFT; > num_pages = DIV_ROUND_UP(obj->gem.size, PAGE_SIZE); > @@ -58,7 +58,6 @@ int vkms_gem_fault(struct vm_fault *vmf) > if (page_offset > num_pages) > return VM_FAULT_SIGBUS; > > - ret = -ENOENT; > mutex_lock(&obj->pages_lock); > if (obj->pages) { > get_page(obj->pages[page_offset]); > -- > 1.9.1 Patch pushed to drm-misc-next. vkms is still experimental so I'm not queueing this for 4.19. Thanks. Gustavo