Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751246Ab2HEFM2 (ORCPT ); Sun, 5 Aug 2012 01:12:28 -0400 Received: from mail-ob0-f174.google.com ([209.85.214.174]:34515 "EHLO mail-ob0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750863Ab2HEFM1 (ORCPT ); Sun, 5 Aug 2012 01:12:27 -0400 From: Joe Millenbach To: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, linux-kernel@vger.kernel.org Cc: team-fjord@googlegroups.com, Joe Millenbach Subject: [PATCH] x86: Changing date reference in CONFIG_SWIOTLB help from a relative to fixed point Date: Sat, 4 Aug 2012 22:12:01 -0700 Message-Id: <1344143521-30151-1-git-send-email-jmillenbach@gmail.com> X-Mailer: git-send-email 1.7.9.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1528 Lines: 38 CONFIG_SWIOTLB's existing help information refers to "the current generation of Intel's x86-64 CPUs", but the statement is no longer true. After researching on Intel's ark site, I changed the statement to the also true "all Intel CPUs released before 2008". Signed-off-by: Joe Millenbach Reviewed-by: Josh Triplett --- arch/x86/Kconfig | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 5bed94e..dadbfd6 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -755,10 +755,10 @@ config SWIOTLB def_bool y if X86_64 ---help--- Support for software bounce buffers used on x86-64 systems - which don't have a hardware IOMMU (e.g. the current generation - of Intel's x86-64 CPUs). Using this PCI devices which can only - access 32-bits of memory can be used on systems with more than - 3 GB of memory. If unsure, say Y. + which don't have a hardware IOMMU (e.g. all Intel CPUs released + before 2008). Using this PCI devices which can only access 32-bits + of memory can be used on systems with more than 3 GB of memory. If + unsure, say Y. config IOMMU_HELPER def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU) -- 1.7.9.5 -- 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/