linux-kernel - [PATCH] powerpc/vdso32: Fix use of crtsavres for PPC64

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Message-ID: <aded2b257018fe654db759fdfa4ab1a0b5426b1b.1726772140.git.christophe.leroy@csgroup.eu>
Date: Thu, 19 Sep 2024 20:55:57 +0200
From: Christophe Leroy <christophe.leroy@...roup.eu>
To: "Jason A . Donenfeld" <Jason@...c4.com>,
	Michael Ellerman <mpe@...erman.id.au>,
	Nicholas Piggin <npiggin@...il.com>,
	Naveen N Rao <naveen@...nel.org>
Cc: Christophe Leroy <christophe.leroy@...roup.eu>,
	linux-kernel@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org,
	Christian Zigotzky <chzigotzky@...osoft.de>
Subject: [PATCH] powerpc/vdso32: Fix use of crtsavres for PPC64

crtsavres.S content is encloded by a #ifndef CONFIG_PPC64

To be used on VDSO32 on PPC64 it's content must available on PPC64 as
well.

Replace #ifndef CONFIG_PPC64 by #ifndef __powerpc64__ as __powerpc64__
is not set when building VDSO32 on PPC64.

Reported-by: Christian Zigotzky <chzigotzky@...osoft.de>
Closed: https://lore.kernel.org/linuxppc-dev/047b7503-af0c-4bb0-b12a-2f6b1e461752@csgroup.eu/T/
Fixes: b163596a5b6f ("powerpc/vdso32: Add crtsavres")
Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 arch/powerpc/lib/crtsavres.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/lib/crtsavres.S b/arch/powerpc/lib/crtsavres.S
index 7e5e1c28e56a..8967903c15e9 100644
--- a/arch/powerpc/lib/crtsavres.S
+++ b/arch/powerpc/lib/crtsavres.S
@@ -46,7 +46,7 @@
 
 	.section ".text"
 
-#ifndef CONFIG_PPC64
+#ifndef __powerpc64__
 
 /* Routines for saving integer registers, called by the compiler.  */
 /* Called with r11 pointing to the stack header word of the caller of the */
-- 
2.44.0