From b3461034d7d46455060c8476910be22b6b0fc313 Mon Sep 17 00:00:00 2001 From: Paolo 'Blaisorblade' Giarrusso Date: Sat, 28 May 2005 15:52:00 -0700 Subject: [PATCH] uml: stack dump fix Copy (and adapt) to UML the stack code dumper used in i386 when CONFIG_FRAME_POINTER is enabled. Signed-off-by: Paolo 'Blaisorblade' Giarrusso Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/asm-um/thread_info.h | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'include') diff --git a/include/asm-um/thread_info.h b/include/asm-um/thread_info.h index a10ea155907..e4f0198240c 100644 --- a/include/asm-um/thread_info.h +++ b/include/asm-um/thread_info.h @@ -41,18 +41,17 @@ struct thread_info { #define init_thread_info (init_thread_union.thread_info) #define init_stack (init_thread_union.stack) +#define THREAD_SIZE ((1 << CONFIG_KERNEL_STACK_ORDER) * PAGE_SIZE) /* how to get the thread information struct from C */ static inline struct thread_info *current_thread_info(void) { struct thread_info *ti; - unsigned long mask = PAGE_SIZE * - (1 << CONFIG_KERNEL_STACK_ORDER) - 1; - ti = (struct thread_info *) (((unsigned long) &ti) & ~mask); + unsigned long mask = THREAD_SIZE - 1; + ti = (struct thread_info *) (((unsigned long) &ti) & ~mask); return ti; } /* thread information allocation */ -#define THREAD_SIZE ((1 << CONFIG_KERNEL_STACK_ORDER) * PAGE_SIZE) #define alloc_thread_info(tsk) \ ((struct thread_info *) kmalloc(THREAD_SIZE, GFP_KERNEL)) #define free_thread_info(ti) kfree(ti) -- cgit v1.2.3