From patchwork Wed Oct 7 16:44:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 11821095 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E12AE1592 for ; Wed, 7 Oct 2020 16:44:49 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id ABB5F215A4 for ; Wed, 7 Oct 2020 16:44:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ffwll.ch header.i=@ffwll.ch header.b="LwVSypRU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ABB5F215A4 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ffwll.ch Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C75AB6E956; Wed, 7 Oct 2020 16:44:45 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-wm1-x344.google.com (mail-wm1-x344.google.com [IPv6:2a00:1450:4864:20::344]) by gabe.freedesktop.org (Postfix) with ESMTPS id 81F586E8AD for ; Wed, 7 Oct 2020 16:44:43 +0000 (UTC) Received: by mail-wm1-x344.google.com with SMTP id l15so4898943wmh.1 for ; Wed, 07 Oct 2020 09:44:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ffwll.ch; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ijyQHvjtAZuVgL9EA0yhX2lOO0Plieezx6jpuHoNbWM=; b=LwVSypRUHyZ0T87PhhZ+4ADU5nIhUvXazxLJTlWaavCk3/BH7CCIyWxKz8EdLbYRFB RxOJt4YGDrY5Z18DWWeYewrbgmnTQhbvcg7G1wzOSmJSW22Rnu7elA3IHcpsmrAC5fm4 607Hl7Db7B4Nz9Bbo3tUQsyeynMvBXjImw/ME= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ijyQHvjtAZuVgL9EA0yhX2lOO0Plieezx6jpuHoNbWM=; b=fp35v/oruXmuNAt0PQ/nZYexuCt3htGMdbSVbCoSWx0HlFbAAfH5wWhHHcPMgIQxk0 u263wOCxUP+8qQND7+HmIQ01rTSx4aJWFSnrmUMNfq+22/qQT/ZupkELdbcP5NW5araq 1SGpz99e5HKq8L0Epxn88bPBQxvh6jxm0jSdtniRfIxB5D0DGABEhoVFugzb5Zl1n1Vb En+b7+X4jLAz9nnH1AF31B4RRqH8DqUAcSKVfPfIZSrHdHfnlhtfYkOvyow9snrlu0H9 MvMvy6sv7odsQVEGqe589pMB5nlXVKXrvDjvjFvo/wQtKKWeApkX30Nj/yvL2YZZ0yZY G69w== X-Gm-Message-State: AOAM533fyPxlpDIlinzTZ2JE61nLblRKwvkAx61OfGKkL9/gibhvUYMM K0wvHX+55dRnuReo0WrIMRBsy29YwcfiCryt X-Google-Smtp-Source: ABdhPJyUC9AoVMqunH06ot8WNvMdaDUQIFaIEaHUrOCUzlvQcH2+ffkYARv3NTyh7jH2Zwg9GWymBA== X-Received: by 2002:a1c:cc1a:: with SMTP id h26mr4130331wmb.131.1602089081802; Wed, 07 Oct 2020 09:44:41 -0700 (PDT) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id z191sm3332280wme.40.2020.10.07.09.44.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Oct 2020 09:44:41 -0700 (PDT) From: Daniel Vetter To: DRI Development , LKML Subject: [PATCH 06/13] media: videobuf2: Move frame_vector into media subsystem Date: Wed, 7 Oct 2020 18:44:19 +0200 Message-Id: <20201007164426.1812530-7-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201007164426.1812530-1-daniel.vetter@ffwll.ch> References: <20201007164426.1812530-1-daniel.vetter@ffwll.ch> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-s390@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Jan Kara , Pawel Osciak , kvm@vger.kernel.org, Jason Gunthorpe , Daniel Vetter , Mauro Carvalho Chehab , =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= , Tomasz Figa , linux-mm@kvack.org, Kyungmin Park , John Hubbard , Daniel Vetter , Andrew Morton , Marek Szyprowski , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" It's the only user. This also garbage collects the CONFIG_FRAME_VECTOR symbol from all over the tree (well just one place, somehow omap media driver still had this in its Kconfig, despite not using it). Signed-off-by: Daniel Vetter Cc: Jason Gunthorpe Cc: Pawel Osciak Cc: Marek Szyprowski Cc: Kyungmin Park Cc: Tomasz Figa Cc: Mauro Carvalho Chehab Cc: Andrew Morton Cc: John Hubbard Cc: Jérôme Glisse Cc: Jan Kara Cc: Dan Williams Cc: linux-mm@kvack.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Cc: linux-media@vger.kernel.org Cc: Daniel Vetter Reviewed-by: John Hubbard --- drivers/media/common/videobuf2/Kconfig | 1 - drivers/media/common/videobuf2/Makefile | 1 + .../media/common/videobuf2}/frame_vector.c | 2 + drivers/media/platform/omap/Kconfig | 1 - include/linux/mm.h | 42 ------------------- include/media/videobuf2-core.h | 42 +++++++++++++++++++ mm/Kconfig | 3 -- mm/Makefile | 1 - 8 files changed, 45 insertions(+), 48 deletions(-) rename {mm => drivers/media/common/videobuf2}/frame_vector.c (99%) diff --git a/drivers/media/common/videobuf2/Kconfig b/drivers/media/common/videobuf2/Kconfig index edbc99ebba87..d2223a12c95f 100644 --- a/drivers/media/common/videobuf2/Kconfig +++ b/drivers/media/common/videobuf2/Kconfig @@ -9,7 +9,6 @@ config VIDEOBUF2_V4L2 config VIDEOBUF2_MEMOPS tristate - select FRAME_VECTOR config VIDEOBUF2_DMA_CONTIG tristate diff --git a/drivers/media/common/videobuf2/Makefile b/drivers/media/common/videobuf2/Makefile index 77bebe8b202f..54306f8d096c 100644 --- a/drivers/media/common/videobuf2/Makefile +++ b/drivers/media/common/videobuf2/Makefile @@ -1,5 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 videobuf2-common-objs := videobuf2-core.o +videobuf2-common-objs += frame_vector.o ifeq ($(CONFIG_TRACEPOINTS),y) videobuf2-common-objs += vb2-trace.o diff --git a/mm/frame_vector.c b/drivers/media/common/videobuf2/frame_vector.c similarity index 99% rename from mm/frame_vector.c rename to drivers/media/common/videobuf2/frame_vector.c index 39db520a51dc..b95f4f371681 100644 --- a/mm/frame_vector.c +++ b/drivers/media/common/videobuf2/frame_vector.c @@ -8,6 +8,8 @@ #include #include +#include + /** * get_vaddr_frames() - map virtual addresses to pfns * @start: starting user address diff --git a/drivers/media/platform/omap/Kconfig b/drivers/media/platform/omap/Kconfig index f73b5893220d..de16de46c0f4 100644 --- a/drivers/media/platform/omap/Kconfig +++ b/drivers/media/platform/omap/Kconfig @@ -12,6 +12,5 @@ config VIDEO_OMAP2_VOUT depends on VIDEO_V4L2 select VIDEOBUF2_DMA_CONTIG select OMAP2_VRFB if ARCH_OMAP2 || ARCH_OMAP3 - select FRAME_VECTOR help V4L2 Display driver support for OMAP2/3 based boards. diff --git a/include/linux/mm.h b/include/linux/mm.h index 16b799a0522c..acd60fbf1a5a 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1743,48 +1743,6 @@ int account_locked_vm(struct mm_struct *mm, unsigned long pages, bool inc); int __account_locked_vm(struct mm_struct *mm, unsigned long pages, bool inc, struct task_struct *task, bool bypass_rlim); -/* Container for pinned pfns / pages */ -struct frame_vector { - unsigned int nr_allocated; /* Number of frames we have space for */ - unsigned int nr_frames; /* Number of frames stored in ptrs array */ - bool got_ref; /* Did we pin pages by getting page ref? */ - bool is_pfns; /* Does array contain pages or pfns? */ - void *ptrs[]; /* Array of pinned pfns / pages. Use - * pfns_vector_pages() or pfns_vector_pfns() - * for access */ -}; - -struct frame_vector *frame_vector_create(unsigned int nr_frames); -void frame_vector_destroy(struct frame_vector *vec); -int get_vaddr_frames(unsigned long start, unsigned int nr_pfns, - unsigned int gup_flags, struct frame_vector *vec); -void put_vaddr_frames(struct frame_vector *vec); -int frame_vector_to_pages(struct frame_vector *vec); -void frame_vector_to_pfns(struct frame_vector *vec); - -static inline unsigned int frame_vector_count(struct frame_vector *vec) -{ - return vec->nr_frames; -} - -static inline struct page **frame_vector_pages(struct frame_vector *vec) -{ - if (vec->is_pfns) { - int err = frame_vector_to_pages(vec); - - if (err) - return ERR_PTR(err); - } - return (struct page **)(vec->ptrs); -} - -static inline unsigned long *frame_vector_pfns(struct frame_vector *vec) -{ - if (!vec->is_pfns) - frame_vector_to_pfns(vec); - return (unsigned long *)(vec->ptrs); -} - struct kvec; int get_kernel_pages(const struct kvec *iov, int nr_pages, int write, struct page **pages); diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index bbb3f26fbde9..a2e75ca0334f 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -1254,4 +1254,46 @@ bool vb2_request_object_is_buffer(struct media_request_object *obj); */ unsigned int vb2_request_buffer_cnt(struct media_request *req); +/* Container for pinned pfns / pages in frame_vector.c */ +struct frame_vector { + unsigned int nr_allocated; /* Number of frames we have space for */ + unsigned int nr_frames; /* Number of frames stored in ptrs array */ + bool got_ref; /* Did we pin pages by getting page ref? */ + bool is_pfns; /* Does array contain pages or pfns? */ + void *ptrs[]; /* Array of pinned pfns / pages. Use + * pfns_vector_pages() or pfns_vector_pfns() + * for access */ +}; + +struct frame_vector *frame_vector_create(unsigned int nr_frames); +void frame_vector_destroy(struct frame_vector *vec); +int get_vaddr_frames(unsigned long start, unsigned int nr_pfns, + unsigned int gup_flags, struct frame_vector *vec); +void put_vaddr_frames(struct frame_vector *vec); +int frame_vector_to_pages(struct frame_vector *vec); +void frame_vector_to_pfns(struct frame_vector *vec); + +static inline unsigned int frame_vector_count(struct frame_vector *vec) +{ + return vec->nr_frames; +} + +static inline struct page **frame_vector_pages(struct frame_vector *vec) +{ + if (vec->is_pfns) { + int err = frame_vector_to_pages(vec); + + if (err) + return ERR_PTR(err); + } + return (struct page **)(vec->ptrs); +} + +static inline unsigned long *frame_vector_pfns(struct frame_vector *vec) +{ + if (!vec->is_pfns) + frame_vector_to_pfns(vec); + return (unsigned long *)(vec->ptrs); +} + #endif /* _MEDIA_VIDEOBUF2_CORE_H */ diff --git a/mm/Kconfig b/mm/Kconfig index 6c974888f86f..da6c943fe9f1 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -815,9 +815,6 @@ config DEVICE_PRIVATE memory; i.e., memory that is only accessible from the device (or group of devices). You likely also want to select HMM_MIRROR. -config FRAME_VECTOR - bool - config ARCH_USES_HIGH_VMA_FLAGS bool config ARCH_HAS_PKEYS diff --git a/mm/Makefile b/mm/Makefile index d5649f1c12c0..a025fd6c6afd 100644 --- a/mm/Makefile +++ b/mm/Makefile @@ -111,7 +111,6 @@ obj-$(CONFIG_PAGE_EXTENSION) += page_ext.o obj-$(CONFIG_CMA_DEBUGFS) += cma_debug.o obj-$(CONFIG_USERFAULTFD) += userfaultfd.o obj-$(CONFIG_IDLE_PAGE_TRACKING) += page_idle.o -obj-$(CONFIG_FRAME_VECTOR) += frame_vector.o obj-$(CONFIG_DEBUG_PAGE_REF) += debug_page_ref.o obj-$(CONFIG_HARDENED_USERCOPY) += usercopy.o obj-$(CONFIG_PERCPU_STATS) += percpu-stats.o