From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out1-smtp.messagingengine.com ([66.111.4.25]:33219 "EHLO out1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751405AbcBXBtR (ORCPT ); Tue, 23 Feb 2016 20:49:17 -0500 Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.nyi.internal (Postfix) with ESMTP id 6FF5520DB8 for ; Tue, 23 Feb 2016 20:49:17 -0500 (EST) Subject: FAILED: patch "[PATCH] arm64: errata: Add -mpc-relative-literal-loads to build flags" failed to apply to 4.4-stable tree To: dann.frazier@canonical.com, ard.biesheuvel@linaro.org, christophe.lyon@linaro.org, will.deacon@arm.com Cc: From: Date: Tue, 23 Feb 2016 17:49:16 -0800 Message-ID: <145627855616510@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: The patch below does not apply to the 4.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >>From 67dfa1751ce71e629aad7c438e1678ad41054677 Mon Sep 17 00:00:00 2001 From: dann frazier Date: Mon, 25 Jan 2016 16:52:16 -0700 Subject: [PATCH] arm64: errata: Add -mpc-relative-literal-loads to build flags GCC6 (and Linaro's 2015.12 snapshot of GCC5) has a new default that uses adrp/ldr or adrp/add to address literal pools. When CONFIG_ARM64_ERRATUM_843419 is enabled, modules built with this toolchain fail to load: module libahci: unsupported RELA relocation: 275 This patch fixes the problem by passing '-mpc-relative-literal-loads' to the compiler. Cc: stable@vger.kernel.org Fixes: df057cc7b4fa ("arm64: errata: add module build workaround for erratum #843419") BugLink: http://bugs.launchpad.net/bugs/1533009 Acked-by: Ard Biesheuvel Suggested-by: Christophe Lyon Signed-off-by: Dann Frazier Signed-off-by: Will Deacon diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index 094a137f6083..307237cfe728 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -28,6 +28,7 @@ endif KBUILD_CFLAGS += -mgeneral-regs-only $(lseinstr) KBUILD_CFLAGS += -fno-asynchronous-unwind-tables +KBUILD_CFLAGS += $(call cc-option, -mpc-relative-literal-loads) KBUILD_AFLAGS += $(lseinstr) ifeq ($(CONFIG_CPU_BIG_ENDIAN), y)