diff options
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/bug.h | 10 | ||||
| -rw-r--r-- | include/asm-generic/sections.h | 6 | ||||
| -rw-r--r-- | include/asm-generic/vmlinux.lds.h | 1 |
3 files changed, 17 insertions, 0 deletions
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index a3f738cffdb..edc6ba82e09 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -97,6 +97,16 @@ extern void warn_slowpath(const char *file, const int line, unlikely(__ret_warn_once); \ }) +#define WARN_ONCE(condition, format...) ({ \ + static int __warned; \ + int __ret_warn_once = !!(condition); \ + \ + if (unlikely(__ret_warn_once)) \ + if (WARN(!__warned, format)) \ + __warned = 1; \ + unlikely(__ret_warn_once); \ +}) + #define WARN_ON_RATELIMIT(condition, state) \ WARN_ON((condition) && __ratelimit(state)) diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h index 8feeae1f236..79a7ff925bf 100644 --- a/include/asm-generic/sections.h +++ b/include/asm-generic/sections.h @@ -14,4 +14,10 @@ extern char __kprobes_text_start[], __kprobes_text_end[]; extern char __initdata_begin[], __initdata_end[]; extern char __start_rodata[], __end_rodata[]; +/* function descriptor handling (if any). Override + * in asm/sections.h */ +#ifndef dereference_function_descriptor +#define dereference_function_descriptor(p) (p) +#endif + #endif /* _ASM_GENERIC_SECTIONS_H_ */ diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index cb752ba7246..7440a0dcedd 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -385,6 +385,7 @@ . = ALIGN(align); \ VMLINUX_SYMBOL(__per_cpu_start) = .; \ .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { \ + *(.data.percpu.page_aligned) \ *(.data.percpu) \ *(.data.percpu.shared_aligned) \ } \ |