2014-12-05 10:02:30

by Andreas Larsson

Subject: [PATCH] sparc32,leon: Align ccall_info to prevent unaligned traps on crosscall

It is being filled in using std in leon_cross_call.

Signed-off-by: Andreas Larsson <[email protected]>
---
arch/sparc/kernel/leon_smp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/sparc/kernel/leon_smp.c b/arch/sparc/kernel/leon_smp.c
index ea2bad3..71e16f2 100644
--- a/arch/sparc/kernel/leon_smp.c
+++ b/arch/sparc/kernel/leon_smp.c
@@ -368,7 +368,7 @@ static struct smp_funcall {
unsigned long arg5;
unsigned long processors_in[NR_CPUS]; /* Set when ipi entered. */
unsigned long processors_out[NR_CPUS]; /* Set when ipi exited. */
-} ccall_info;
+} ccall_info __attribute__((aligned(8)));

static DEFINE_SPINLOCK(cross_call_lock);

--
1.7.10.4

2014-12-12 02:53:45

by David Miller

Subject: Re: [PATCH] sparc32,leon: Align ccall_info to prevent unaligned traps on crosscall

From: Andreas Larsson <[email protected]>
Date: Fri, 5 Dec 2014 10:55:28 +0100

> It is being filled in using std in leon_cross_call.
>
> Signed-off-by: Andreas Larsson <[email protected]>

Applied.