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| author | Al Viro <viro@parcelfarce.linux.theplanet.co.uk> | 2005-11-13 16:06:58 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-13 18:14:14 -0800 |
| commit | abd03753bd1532c05eb13231569a5257b007e29c (patch) | |
| tree | 339e8c12169a2d04ba209f0bc8902859e6596bbf | |
| parent | f037360f2ed111fe89a8f5cb6ba351f4e9934e53 (diff) | |
| download | linux-abd03753bd1532c05eb13231569a5257b007e29c.tar.gz linux-abd03753bd1532c05eb13231569a5257b007e29c.tar.bz2 linux-abd03753bd1532c05eb13231569a5257b007e29c.zip | |
[PATCH] m68k: m68k-specific thread_info changes
a) added embedded thread_info [m68k processor.h]
b) added missing symbols in asm-offsets.c
c) task_thread_info() and friends in asm-m68k/thread_info.h
d) made m68k thread_info.h included by m68k processor.h, not the other way
round.
Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/m68k/kernel/asm-offsets.c | 5 | ||||
| -rw-r--r-- | include/asm-m68k/processor.h | 2 | ||||
| -rw-r--r-- | include/asm-m68k/thread_info.h | 14 |
3 files changed, 17 insertions, 4 deletions
diff --git a/arch/m68k/kernel/asm-offsets.c b/arch/m68k/kernel/asm-offsets.c index cee3317b8665..30beacfef8fb 100644 --- a/arch/m68k/kernel/asm-offsets.c +++ b/arch/m68k/kernel/asm-offsets.c @@ -31,6 +31,7 @@ int main(void) DEFINE(TASK_SIGPENDING, offsetof(struct task_struct, thread.work.sigpending)); DEFINE(TASK_NOTIFY_RESUME, offsetof(struct task_struct, thread.work.notify_resume)); DEFINE(TASK_THREAD, offsetof(struct task_struct, thread)); + DEFINE(TASK_INFO, offsetof(struct task_struct, thread.info)); DEFINE(TASK_MM, offsetof(struct task_struct, mm)); DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); @@ -45,6 +46,10 @@ int main(void) DEFINE(THREAD_FPCNTL, offsetof(struct thread_struct, fpcntl)); DEFINE(THREAD_FPSTATE, offsetof(struct thread_struct, fpstate)); + /* offsets into the thread_info struct */ + DEFINE(TINFO_PREEMPT, offsetof(struct thread_info, preempt_count)); + DEFINE(TINFO_FLAGS, offsetof(struct thread_info, flags)); + /* offsets into the pt_regs */ DEFINE(PT_D0, offsetof(struct pt_regs, d0)); DEFINE(PT_ORIG_D0, offsetof(struct pt_regs, orig_d0)); diff --git a/include/asm-m68k/processor.h b/include/asm-m68k/processor.h index df1575db32af..84b4b26df04c 100644 --- a/include/asm-m68k/processor.h +++ b/include/asm-m68k/processor.h @@ -14,6 +14,7 @@ #define current_text_addr() ({ __label__ _l; _l: &&_l;}) #include <linux/config.h> +#include <linux/thread_info.h> #include <asm/segment.h> #include <asm/fpu.h> #include <asm/ptrace.h> @@ -79,6 +80,7 @@ struct thread_struct { unsigned long fpcntl[3]; /* fp control regs */ unsigned char fpstate[FPSTATESIZE]; /* floating point state */ struct task_work work; + struct thread_info info; }; #define INIT_THREAD { \ diff --git a/include/asm-m68k/thread_info.h b/include/asm-m68k/thread_info.h index 2aed24f6fd2e..4fdbf55f95e5 100644 --- a/include/asm-m68k/thread_info.h +++ b/include/asm-m68k/thread_info.h @@ -2,7 +2,6 @@ #define _ASM_M68K_THREAD_INFO_H #include <asm/types.h> -#include <asm/processor.h> #include <asm/page.h> struct thread_info { @@ -35,14 +34,21 @@ struct thread_info { #define free_thread_info(ti) free_pages((unsigned long)(ti),1) #endif /* PAGE_SHIFT == 13 */ -//#define init_thread_info (init_task.thread.info) +#define init_thread_info (init_task.thread.info) #define init_stack (init_thread_union.stack) -#define current_thread_info() (current->thread_info) - +#define task_thread_info(tsk) (&(tsk)->thread.info) +#define current_thread_info() task_thread_info(current) #define __HAVE_THREAD_FUNCTIONS +#define setup_thread_stack(p, org) ({ \ + *(struct task_struct **)(p)->thread_info = (p); \ + task_thread_info(p)->task = (p); \ +}) + +#define end_of_stack(p) ((unsigned long *)(p)->thread_info + 1) + #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ #define TIF_DELAYED_TRACE 1 /* single step a syscall */ #define TIF_NOTIFY_RESUME 2 /* resumption notification requested */ |