From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- arch/alpha/include/asm/percpu.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 arch/alpha/include/asm/percpu.h (limited to 'arch/alpha/include/asm/percpu.h') diff --git a/arch/alpha/include/asm/percpu.h b/arch/alpha/include/asm/percpu.h new file mode 100644 index 000000000..6923249f2 --- /dev/null +++ b/arch/alpha/include/asm/percpu.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ALPHA_PERCPU_H +#define __ALPHA_PERCPU_H + +/* + * To calculate addresses of locally defined variables, GCC uses + * 32-bit displacement from the GP. Which doesn't work for per cpu + * variables in modules, as an offset to the kernel per cpu area is + * way above 4G. + * + * Always use weak definitions for percpu variables in modules. + */ +#if defined(MODULE) && defined(CONFIG_SMP) +#define ARCH_NEEDS_WEAK_PER_CPU +#endif + +#include + +#endif /* __ALPHA_PERCPU_H */ -- cgit v1.2.3