linux-kernel - [PATCH 7/7] arm: Add livepatch necessary arch selects into Kconfig

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Date:   Tue,  6 Dec 2016 17:06:07 +0000
From:   Abel Vesa <abelvesa@...ux.com>
To:     linux@...linux.org.uk, jpoimboe@...hat.com, jeyu@...hat.com,
        jikos@...nel.org, mbenes@...e.cz, pmladek@...e.com
Cc:     rostedt@...dmis.org, mingo@...hat.com, gregkh@...uxfoundation.org,
        geert+renesas@...der.be, davem@...emloft.net,
        akpm@...ux-foundation.org, emil.l.velikov@...il.com,
        mchehab@...nel.org, linux@...ck-us.net, ard.biesheuvel@...aro.org,
        jens.wiklander@...aro.org, jean-philippe.brucker@....com,
        viro@...iv.linux.org.uk, stefano.stabellini@...citrix.com,
        chris.brandt@...esas.com, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        live-patching@...r.kernel.org, Abel Vesa <abelvesa@...ux.com>
Subject: [PATCH 7/7] arm: Add livepatch necessary arch selects into Kconfig

This adds HAVE_LIVEPATCH, MODULES_USE_ELF_RELA and HAVE_LIVEPATCH
to arm Kconfig.

Signed-off-by: Abel Vesa <abelvesa@...ux.com>
---
 arch/arm/Kconfig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 186c4c2..f4e9ace 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -50,6 +50,7 @@ config ARM
 	select HAVE_DMA_API_DEBUG
 	select HAVE_DMA_CONTIGUOUS if MMU
 	select HAVE_DYNAMIC_FTRACE if (!XIP_KERNEL) && !CPU_ENDIAN_BE32 && MMU
+	select HAVE_DYNAMIC_FTRACE_WITH_REGS
 	select HAVE_EFFICIENT_UNALIGNED_ACCESS if (CPU_V6 || CPU_V6K || CPU_V7) && MMU
 	select HAVE_EXIT_THREAD
 	select HAVE_FTRACE_MCOUNT_RECORD if (!XIP_KERNEL)
@@ -67,6 +68,7 @@ config ARM
 	select HAVE_KERNEL_XZ
 	select HAVE_KPROBES if !XIP_KERNEL && !CPU_ENDIAN_BE32 && !CPU_V7M
 	select HAVE_KRETPROBES if (HAVE_KPROBES)
+	select HAVE_LIVEPATCH
 	select HAVE_MEMBLOCK
 	select HAVE_MOD_ARCH_SPECIFIC
 	select HAVE_NMI
@@ -82,6 +84,7 @@ config ARM
 	select HAVE_VIRT_CPU_ACCOUNTING_GEN
 	select IRQ_FORCED_THREADING
 	select MODULES_USE_ELF_REL
+	select MODULES_USE_ELF_RELA
 	select NO_BOOTMEM
 	select OF_EARLY_FLATTREE if OF
 	select OF_RESERVED_MEM if OF
@@ -1841,6 +1844,7 @@ config XEN
 	help
 	  Say Y if you want to run Linux in a Virtual Machine on Xen on ARM.
 
+source "kernel/livepatch/Kconfig"
 endmenu
 
 menu "Boot options"
-- 
2.7.4