From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-322982-1516220612-2-12327438805679927609 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.25, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES unknown, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='org', MailFrom='org' X-Spam-charsets: X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: linux-usb-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1516220611; b=btvRsCJunqVDM2WfJ++cM4DhVKhiQse9pTbWiBpMf4cUDJ6 9yE1IKzP+9+CG5gBJjgV1rKWsXXKN5Wn32Nya388VjqH4PNndUHud5bnD+C15LzD HUfKxx7jG/G8k/fvRqwKrZmfC5SwM9hMKgbXSXAiysDRQrSB682Vh0M2/6fkAQuJ XRelAm48t/PsX2mUT/KRf4T3IbFVk+Pix62Yn9hD0OsBNlboMNDOeeO+OpdNmZFN sXOCH1qXVyo1OYXkuCuN09RxOmWdiIJly2X1ze6tqKWjgwBrEpRiFkj2u6gJg7/i Wn16BoGNFJNwLSyVseU81oR+sysgnfHDKGtBD5A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:sender:list-id; s=arctest; t=1516220611; bh=o44ysxQYDtmMgnaWX62bdKstVyDlfUHNef5jngklthw=; b=COiPF1QgM/Nf NUYjRa8r+vStCnDDDwnN1YMNysoyseLjHvQQfmkn6kI6qNFu88WtRIlijPM+mSwb F5X/LTPSfGWElo9zw3wK+Esk46MBRhUZV+zWv12ztphc0nbbD9XBOgLEXCSgMw0r UdLFiiazSQXWQVbiGGWqwN0FpHAbiRY7m2ef7fIHhqdHgpFfbq6yw/WvabZ+MHLn gnvHUVDvA0Yu+otnnUZ8rF1nrcI56CLbB5jLxUnpV9ESWx7mqwbQZThoeRu1eZM5 3obOs/2gmGslm+Ve0ilFhmsIrflH/n8V5DCXalfCjGkiqsgygNBRRA3TOlnbrGJR 4oQeB1PPMg== ARC-Authentication-Results: i=1; mx3.messagingengine.com; arc=none (no signatures found); dkim=fail (message has been altered; 2048-bit rsa key sha256) header.d=infradead.org header.i=@infradead.org header.b=e/oqTkra x-bits=2048 x-keytype=rsa x-algorithm=sha256 x-selector=bombadil.20170209; dmarc=none (p=none,has-list-id=yes,d=none) header.from=infradead.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=linux-usb-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=infradead.org header.result=pass header_is_org_domain=yes Authentication-Results: mx3.messagingengine.com; arc=none (no signatures found); dkim=fail (message has been altered; 2048-bit rsa key sha256) header.d=infradead.org header.i=@infradead.org header.b=e/oqTkra x-bits=2048 x-keytype=rsa x-algorithm=sha256 x-selector=bombadil.20170209; dmarc=none (p=none,has-list-id=yes,d=none) header.from=infradead.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=linux-usb-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=infradead.org header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754236AbeAQUXY (ORCPT ); Wed, 17 Jan 2018 15:23:24 -0500 Received: from bombadil.infradead.org ([65.50.211.133]:56121 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753947AbeAQUXA (ORCPT ); Wed, 17 Jan 2018 15:23:00 -0500 From: Matthew Wilcox To: linux-kernel@vger.kernel.org Cc: Matthew Wilcox , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-nilfs@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-xfs@vger.kernel.org, linux-usb@vger.kernel.org, Bjorn Andersson , Stefano Stabellini , iommu@lists.linux-foundation.org, linux-remoteproc@vger.kernel.org, linux-s390@vger.kernel.org, intel-gfx@lists.freedesktop.org, cgroups@vger.kernel.org, linux-sh@vger.kernel.org, David Howells Subject: [PATCH v6 81/99] i915: Convert handles_vma to XArray Date: Wed, 17 Jan 2018 12:21:45 -0800 Message-Id: <20180117202203.19756-82-willy@infradead.org> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180117202203.19756-1-willy@infradead.org> References: <20180117202203.19756-1-willy@infradead.org> Sender: linux-usb-owner@vger.kernel.org X-Mailing-List: linux-usb@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Matthew Wilcox Straightforward conversion. Signed-off-by: Matthew Wilcox --- drivers/gpu/drm/i915/i915_gem.c | 2 +- drivers/gpu/drm/i915/i915_gem_context.c | 12 +++++------- drivers/gpu/drm/i915/i915_gem_context.h | 4 ++-- drivers/gpu/drm/i915/i915_gem_execbuffer.c | 6 +++--- drivers/gpu/drm/i915/selftests/mock_context.c | 2 +- 5 files changed, 12 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 25ce7bcf9988..69e944f4dfce 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -3351,7 +3351,7 @@ void i915_gem_close_object(struct drm_gem_object *gem, struct drm_file *file) if (ctx->file_priv != fpriv) continue; - vma = radix_tree_delete(&ctx->handles_vma, lut->handle); + vma = xa_erase(&ctx->handles_vma, lut->handle); GEM_BUG_ON(vma->obj != obj); /* We allow the process to have multiple handles to the same diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index f782cf2069c1..1aff35ba6e18 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -95,9 +95,9 @@ static void lut_close(struct i915_gem_context *ctx) { + XA_STATE(xas, &ctx->handles_vma, 0); struct i915_lut_handle *lut, *ln; - struct radix_tree_iter iter; - void __rcu **slot; + struct i915_vma *vma; list_for_each_entry_safe(lut, ln, &ctx->handles_list, ctx_link) { list_del(&lut->obj_link); @@ -105,10 +105,8 @@ static void lut_close(struct i915_gem_context *ctx) } rcu_read_lock(); - radix_tree_for_each_slot(slot, &ctx->handles_vma, &iter, 0) { - struct i915_vma *vma = rcu_dereference_raw(*slot); - - radix_tree_iter_delete(&ctx->handles_vma, &iter, slot); + xas_for_each(&xas, vma, ULONG_MAX) { + xas_store(&xas, NULL); __i915_gem_object_release_unless_active(vma->obj); } rcu_read_unlock(); @@ -276,7 +274,7 @@ __create_hw_context(struct drm_i915_private *dev_priv, ctx->i915 = dev_priv; ctx->priority = I915_PRIORITY_NORMAL; - INIT_RADIX_TREE(&ctx->handles_vma, GFP_KERNEL); + xa_init(&ctx->handles_vma); INIT_LIST_HEAD(&ctx->handles_list); /* Default context will never have a file_priv */ diff --git a/drivers/gpu/drm/i915/i915_gem_context.h b/drivers/gpu/drm/i915/i915_gem_context.h index 44688e22a5c2..8e3e0d002f77 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.h +++ b/drivers/gpu/drm/i915/i915_gem_context.h @@ -181,11 +181,11 @@ struct i915_gem_context { /** remap_slice: Bitmask of cache lines that need remapping */ u8 remap_slice; - /** handles_vma: rbtree to look up our context specific obj/vma for + /** handles_vma: lookup our context specific obj/vma for * the user handle. (user handles are per fd, but the binding is * per vm, which may be one per context or shared with the global GTT) */ - struct radix_tree_root handles_vma; + struct xarray handles_vma; /** handles_list: reverse list of all the rbtree entries in use for * this context, which allows us to free all the allocations on diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 435ed95df144..828f4b5473ea 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -683,7 +683,7 @@ static int eb_select_context(struct i915_execbuffer *eb) static int eb_lookup_vmas(struct i915_execbuffer *eb) { - struct radix_tree_root *handles_vma = &eb->ctx->handles_vma; + struct xarray *handles_vma = &eb->ctx->handles_vma; struct drm_i915_gem_object *obj; unsigned int i; int err; @@ -702,7 +702,7 @@ static int eb_lookup_vmas(struct i915_execbuffer *eb) struct i915_lut_handle *lut; struct i915_vma *vma; - vma = radix_tree_lookup(handles_vma, handle); + vma = xa_load(handles_vma, handle); if (likely(vma)) goto add_vma; @@ -724,7 +724,7 @@ static int eb_lookup_vmas(struct i915_execbuffer *eb) goto err_obj; } - err = radix_tree_insert(handles_vma, handle, vma); + err = xa_err(xa_store(handles_vma, handle, vma, GFP_KERNEL)); if (unlikely(err)) { kfree(lut); goto err_obj; diff --git a/drivers/gpu/drm/i915/selftests/mock_context.c b/drivers/gpu/drm/i915/selftests/mock_context.c index bbf80d42e793..b664a7159242 100644 --- a/drivers/gpu/drm/i915/selftests/mock_context.c +++ b/drivers/gpu/drm/i915/selftests/mock_context.c @@ -40,7 +40,7 @@ mock_context(struct drm_i915_private *i915, INIT_LIST_HEAD(&ctx->link); ctx->i915 = i915; - INIT_RADIX_TREE(&ctx->handles_vma, GFP_KERNEL); + xa_init(&ctx->handles_vma); INIT_LIST_HEAD(&ctx->handles_list); ret = ida_simple_get(&i915->contexts.hw_ida, -- 2.15.1