Re: [PATCH -next] powerpc/pmac/smp: Fix old-style declaration

From: Christophe Leroy
Date: Thu Dec 26 2019 - 16:21:32 EST


YueHaibing <yuehaibing@xxxxxxxxxx> a ÃcritÂ:

There expect the 'static' keyword to come first in a declaration

arch/powerpc/platforms/powermac/smp.c:664:1: warning: static is not at beginning of declaration [-Wold-style-declaration]
arch/powerpc/platforms/powermac/smp.c:665:1: warning: static is not at beginning of declaration [-Wold-style-declaration]

Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
arch/powerpc/platforms/powermac/smp.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c
index f95fbde..7233b85 100644
--- a/arch/powerpc/platforms/powermac/smp.c
+++ b/arch/powerpc/platforms/powermac/smp.c
@@ -661,8 +661,8 @@ static void smp_core99_gpio_tb_freeze(int freeze)
#endif /* !CONFIG_PPC64 */

/* L2 and L3 cache settings to pass from CPU0 to CPU1 on G4 cpus */
-volatile static long int core99_l2_cache;
-volatile static long int core99_l3_cache;
+static volatile long int core99_l2_cache;
+static volatile long int core99_l3_cache;

Is it correct to declare it as volatile ?

See https://www.kernel.org/doc/html/latest/process/volatile-considered-harmful.html

Christophe