Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754036Ab3I0Qfh (ORCPT ); Fri, 27 Sep 2013 12:35:37 -0400 Received: from smtp02.citrix.com ([66.165.176.63]:36206 "EHLO SMTP02.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754004Ab3I0Qfd (ORCPT ); Fri, 27 Sep 2013 12:35:33 -0400 X-IronPort-AV: E=Sophos;i="4.90,994,1371081600"; d="scan'208";a="55590886" From: Stefano Stabellini To: CC: , , , , , Stefano Stabellini Subject: [PATCH v6 14/19] swiotlb: print a warning when the swiotlb is full Date: Fri, 27 Sep 2013 17:10:02 +0100 Message-ID: <1380298207-29151-14-git-send-email-stefano.stabellini@eu.citrix.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain X-DLP: MIA1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1337 Lines: 38 Signed-off-by: Stefano Stabellini --- drivers/xen/swiotlb-xen.c | 1 + lib/swiotlb.c | 1 + 2 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index 96ad316..790c2eb 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -674,6 +674,7 @@ xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, sg->length, dir); if (map == SWIOTLB_MAP_ERROR) { + pr_warn("swiotlb buffer is full\n"); /* Don't panic here, we expect map_sg users to do proper error handling. */ xen_swiotlb_unmap_sg_attrs(hwdev, sgl, i, dir, diff --git a/lib/swiotlb.c b/lib/swiotlb.c index eb45d17..f06da0d 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -502,6 +502,7 @@ phys_addr_t swiotlb_tbl_map_single(struct device *hwdev, not_found: spin_unlock_irqrestore(&io_tlb_lock, flags); + pr_warn("swiotlb buffer is full\n"); return SWIOTLB_MAP_ERROR; found: spin_unlock_irqrestore(&io_tlb_lock, flags); -- 1.7.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/