parisc: Mark lock_aligned variables 16-byte aligned on SMP
authorHelge Deller <deller@gmx.de>
Sat, 25 Nov 2023 08:11:56 +0000 (09:11 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 8 Dec 2023 07:52:19 +0000 (08:52 +0100)
commit b28fc0d8739c03e7b6c44914a9d00d4c6dddc0ea upstream.

On parisc we need 16-byte alignment for variables which are used for
locking. Mark the __lock_aligned attribute acordingly so that the
.data..lock_aligned section will get that alignment in the generated
object files.

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v6.0+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/parisc/include/asm/ldcw.h

index ee9e071..47ebc4c 100644 (file)
@@ -55,7 +55,7 @@
 })
 
 #ifdef CONFIG_SMP
-# define __lock_aligned __section(".data..lock_aligned")
+# define __lock_aligned __section(".data..lock_aligned") __aligned(16)
 #endif
 
 #endif /* __PARISC_LDCW_H */