The mbox messages are naturally aligned and in some cases compiler
optimization might disregard natural alignment.
Use volatile key word to force compiler to disable optimizing and
maintain alignment.
Fixes: aecb8e093b52 ("event/octeontx: introduce specialized mbox message copy")
Cc: [email protected]
Signed-off-by: Pavan Nikhilesh <[email protected]>
---
drivers/mempool/octeontx/octeontx_mbox.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mempool/octeontx/octeontx_mbox.c
b/drivers/mempool/octeontx/octeontx_mbox.c
index 640a58d3d..c89f4f513 100644
--- a/drivers/mempool/octeontx/octeontx_mbox.c
+++ b/drivers/mempool/octeontx/octeontx_mbox.c
@@ -61,7 +61,7 @@ struct mbox_ram_hdr {
};
static inline void
-mbox_msgcpy(uint8_t *d, const uint8_t *s, uint16_t size)
+mbox_msgcpy(volatile uint8_t *d, volatile const uint8_t *s, uint16_t size)
{
uint16_t i;
--
2.15.1
