linux-kernel - [PATCH v2 17/25] powerpc/ftrace: Use size macro instead of opencoding

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Message-Id: <bb6626e884acffe87b58736291df57db3deaa9b9.1651905939.git.christophe.leroy@csgroup.eu>
Date:   Sat,  7 May 2022 08:46:19 +0200
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        naveen.n.rao@...ux.vnet.ibm.com
Cc:     Christophe Leroy <christophe.leroy@...roup.eu>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH v2 17/25] powerpc/ftrace: Use size macro instead of opencoding

0x80000000 is SZ_2G. Use it.

Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 arch/powerpc/kernel/trace/ftrace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/trace/ftrace.c b/arch/powerpc/kernel/trace/ftrace.c
index ac3f97dd1729..346b5485e7ef 100644
--- a/arch/powerpc/kernel/trace/ftrace.c
+++ b/arch/powerpc/kernel/trace/ftrace.c
@@ -741,7 +741,7 @@ int __init ftrace_dyn_arch_init(void)
 #endif
 	long reladdr = addr - kernel_toc_addr();
 
-	if (reladdr > 0x7FFFFFFF || reladdr < -(0x80000000L)) {
+	if (reladdr >= SZ_2G || reladdr < -SZ_2G) {
 		pr_err("Address of %ps out of range of kernel_toc.\n",
 				(void *)addr);
 		return -1;
-- 
2.35.1