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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 30E08C433E0 for ; Mon, 8 Mar 2021 21:11:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EE4C564FCF for ; Mon, 8 Mar 2021 21:11:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230481AbhCHVK0 (ORCPT ); Mon, 8 Mar 2021 16:10:26 -0500 Received: from ex13-edg-ou-002.vmware.com ([208.91.0.190]:16947 "EHLO EX13-EDG-OU-002.vmware.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229938AbhCHVKA (ORCPT ); Mon, 8 Mar 2021 16:10:00 -0500 X-Greylist: delayed 902 seconds by postgrey-1.27 at vger.kernel.org; Mon, 08 Mar 2021 16:10:00 EST Received: from sc9-mailhost1.vmware.com (10.113.161.71) by EX13-EDG-OU-002.vmware.com (10.113.208.156) with Microsoft SMTP Server id 15.0.1156.6; Mon, 8 Mar 2021 12:54:56 -0800 Received: from vertex.localdomain (unknown [10.16.119.57]) by sc9-mailhost1.vmware.com (Postfix) with ESMTP id 487EF2040A; Mon, 8 Mar 2021 12:54:57 -0800 (PST) From: Zack Rusin To: CC: Peter Zijlstra , Ingo Molnar , Will Deacon , Martin Krastev , Roland Scheidegger , Subject: [PATCH 0/2] locking/rwsem: Add down_write_interruptible and use it Date: Mon, 8 Mar 2021 15:54:54 -0500 Message-ID: <20210308205456.1317366-1-zackr@vmware.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII Received-SPF: None (EX13-EDG-OU-002.vmware.com: zackr@vmware.com does not designate permitted sender hosts) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org vmwgfx has really ugly implemention of an interruptible lock trying to match rw sem semantics. By adding a small bit of code implementing down_write_interruptible to rwsem which already supported down_read_interruptible we can completely remove all of the custom code from vmwgfx. Cc: Peter Zijlstra Cc: Ingo Molnar Cc: Will Deacon Cc: Martin Krastev Cc: Roland Scheidegger Cc: linux-kernel@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Zack Rusin (2): locking/rwsem: Add down_write_interruptible drm/vmwgfx: Remove custom locking code drivers/gpu/drm/vmwgfx/Makefile | 2 +- drivers/gpu/drm/vmwgfx/ttm_lock.c | 194 ---------------- drivers/gpu/drm/vmwgfx/ttm_lock.h | 218 ------------------ drivers/gpu/drm/vmwgfx/vmwgfx_bo.c | 24 +- drivers/gpu/drm/vmwgfx/vmwgfx_context.c | 4 +- drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 57 +---- drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 32 ++- drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c | 4 +- drivers/gpu/drm/vmwgfx/vmwgfx_fb.c | 10 +- drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c | 8 +- drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 4 +- drivers/gpu/drm/vmwgfx/vmwgfx_resource.c | 8 +- drivers/gpu/drm/vmwgfx/vmwgfx_shader.c | 4 +- .../gpu/drm/vmwgfx/vmwgfx_simple_resource.c | 4 +- drivers/gpu/drm/vmwgfx/vmwgfx_surface.c | 16 +- include/linux/rwsem.h | 1 + kernel/locking/rwsem.c | 23 ++ 17 files changed, 98 insertions(+), 515 deletions(-) delete mode 100644 drivers/gpu/drm/vmwgfx/ttm_lock.c delete mode 100644 drivers/gpu/drm/vmwgfx/ttm_lock.h -- 2.27.0