From 8167c1f071426706c233e93ecfd13aba7d5c06c8 Mon Sep 17 00:00:00 2001 From: Rosen Penev Date: Sun, 27 Sep 2026 13:35:01 -0700 Subject: tty: serial: mpc52xx_uart: move static declarations up. Avoid a compilation error so that they're not used before being declared. Fixes: 4d105880666a ("tty: serial: mpc52xx_uart: add bounds check for psc_num array index") Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202609260356.tJWbd1WU-lkp@intel.com/ Signed-off-by: Rosen Penev Link: https://patch.msgid.link/20260927203501.14105-1-rosenp@gmail.com Signed-off-by: Greg Kroah-Hartman --- include/net/aligned_data.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 include/net/aligned_data.h (limited to 'include/net/aligned_data.h') diff --git a/include/net/aligned_data.h b/include/net/aligned_data.h new file mode 100644 index 000000000..e1a1c8aed --- /dev/null +++ b/include/net/aligned_data.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#ifndef _NET_ALIGNED_DATA_H +#define _NET_ALIGNED_DATA_H + +#include +#include + +/* Structure holding cacheline aligned fields on SMP builds. + * Each field or group should have an ____cacheline_aligned_in_smp + * attribute to ensure no accidental false sharing can happen. + */ +struct net_aligned_data { + atomic64_t net_cookie ____cacheline_aligned_in_smp; +#if defined(CONFIG_INET) + atomic_long_t tcp_memory_allocated ____cacheline_aligned_in_smp; + atomic_long_t udp_memory_allocated ____cacheline_aligned_in_smp; +#endif +}; + +extern struct net_aligned_data net_aligned_data; + +#endif /* _NET_ALIGNED_DATA_H */ -- cgit v1.3.1