linux-kernel - [PATCH v2 09/13] ARM: Disable jprobe selftests in thumb kernels

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Message-Id: <1381871068-27660-10-git-send-email-dave.long@linaro.org>
Date:	Tue, 15 Oct 2013 17:04:24 -0400
From:	David Long <dave.long@...aro.org>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Rabin Vincent <rabin@....in>,
	"Jon Medhurst (Tixy)" <tixy@...aro.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org
Subject: [PATCH v2 09/13] ARM: Disable jprobe selftests in thumb kernels

From: "David A. Long" <dave.long@...aro.org>

jprobe kernel selftests are not supported for thumb kernels. Conditionally
disable them in the kernel kprobes-test module.

Signed-off-by: David A. Long <dave.long@...aro.org>
---
 arch/arm/kernel/kprobes-test.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/kernel/kprobes-test.c b/arch/arm/kernel/kprobes-test.c
index 44a8a13..2144df1 100644
--- a/arch/arm/kernel/kprobes-test.c
+++ b/arch/arm/kernel/kprobes-test.c
@@ -358,6 +358,7 @@ static int test_kprobe(long (*func)(long, long))
 	return 0;
 }
 
+#ifndef CONFIG_THUMB2_KERNEL
 static void __kprobes jprobe_func(long r0, long r1)
 {
 	jprobe_func_called = test_func_instance;
@@ -401,6 +402,7 @@ static int test_jprobe(long (*func)(long, long))
 
 	return 0;
 }
+#endif
 
 static int __kprobes
 kretprobe_handler(struct kretprobe_instance *ri, struct pt_regs *regs)
@@ -456,10 +458,12 @@ static int run_api_tests(long (*func)(long, long))
 	if (ret < 0)
 		return ret;
 
+#ifndef CONFIG_THUMB2_KERNEL
 	pr_info("    jprobe\n");
 	ret = test_jprobe(func);
 	if (ret < 0)
 		return ret;
+#endif
 
 	pr_info("    kretprobe\n");
 	ret = test_kretprobe(func);
-- 
1.8.1.2

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