linux-kernel - [PATCH 5/7] arm: ftrace: Add ARCH_SUPPORTS_FTRACE

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Message-Id: <1481043967-15602-6-git-send-email-abelvesa@linux.com>
Date:   Tue,  6 Dec 2016 17:06:05 +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 5/7] arm: ftrace: Add ARCH_SUPPORTS_FTRACE_OPS for ftrace with regs

ARCH_SUPPORTS_FTRACE_OPS is needed for livepatch if
CONFIG_DYNAMIC_FTRACE_WITH_REGS is defined.

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

diff --git a/arch/arm/include/asm/ftrace.h b/arch/arm/include/asm/ftrace.h
index bfe2a2f..f434ce9 100644
--- a/arch/arm/include/asm/ftrace.h
+++ b/arch/arm/include/asm/ftrace.h
@@ -1,6 +1,10 @@
 #ifndef _ASM_ARM_FTRACE
 #define _ASM_ARM_FTRACE
 
+#ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS
+#define ARCH_SUPPORTS_FTRACE_OPS 1
+#endif
+
 #ifdef CONFIG_FUNCTION_TRACER
 #define MCOUNT_ADDR		((unsigned long)(__gnu_mcount_nc))
 #define MCOUNT_INSN_SIZE	4 /* sizeof mcount call */
-- 
2.7.4