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=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 7679BC76195 for ; Mon, 22 Jul 2019 09:44:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 51A1C2190F for ; Mon, 22 Jul 2019 09:44:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="fx0OUGva" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729184AbfGVJop (ORCPT ); Mon, 22 Jul 2019 05:44:45 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:35348 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729172AbfGVJon (ORCPT ); Mon, 22 Jul 2019 05:44:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=KU3XO7neiNJoCLlCx1kSbawFotPCDQuEmLUnpBRP3R8=; b=fx0OUGvargc7kZuDQBT1BVZvx6 akZ3IxLvVFpwpTZ6mwxG/fDjJWbzOIsUrUpGAbXfOCDOTt/ZY9Og/OO6v1ZKX2WLk0UKeOuqaM5He JS3eKYYglPuo39ThJdRVk2HstA3K2/0b6YcWdNagG4gTFQf6qHKpgDxoFKvgUpg1SZ+OEMcU9hNeg nQTH/RbZzXAV6COOglFFC/UlRSXF47ADoLQbyXc03H9Kt31xN2rPHCxvirU8nLtJUgVejCURB9uha Iu8bHoVGJ3ZS4ucITXCip6qt9/Cmo1Y1s1eOcE8U5YqnKeJewWAL0DOk8cXwO2Rp1NvN/92mIq7KX 5lcn/C2w==; Received: from 089144207240.atnat0016.highway.bob.at ([89.144.207.240] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hpUs4-0001tJ-OZ; Mon, 22 Jul 2019 09:44:41 +0000 From: Christoph Hellwig To: =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , Jason Gunthorpe , Ben Skeggs Cc: Ralph Campbell , linux-mm@kvack.org, nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH 5/6] nouveau: return -EBUSY when hmm_range_wait_until_valid fails Date: Mon, 22 Jul 2019 11:44:25 +0200 Message-Id: <20190722094426.18563-6-hch@lst.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190722094426.18563-1-hch@lst.de> References: <20190722094426.18563-1-hch@lst.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org -EAGAIN has a magic meaning for non-blocking faults, so don't overload it. Given that the caller doesn't check for specific error codes this change is purely cosmetic. Signed-off-by: Christoph Hellwig --- drivers/gpu/drm/nouveau/nouveau_svm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_svm.c b/drivers/gpu/drm/nouveau/nouveau_svm.c index 5de2d54b9782..a9c5c58d425b 100644 --- a/drivers/gpu/drm/nouveau/nouveau_svm.c +++ b/drivers/gpu/drm/nouveau/nouveau_svm.c @@ -501,7 +501,7 @@ nouveau_range_fault(struct hmm_mirror *mirror, struct hmm_range *range) if (!hmm_range_wait_until_valid(range, HMM_RANGE_DEFAULT_TIMEOUT)) { up_read(&range->vma->vm_mm->mmap_sem); - return -EAGAIN; + return -EBUSY; } ret = hmm_range_fault(range, true); -- 2.20.1