diff options
| author | Roland McGrath <roland@redhat.com> | 2008-01-30 13:30:45 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:30:45 +0100 |
| commit | 91394eb0975b3771dde7071a0825c6df6c20ff8a (patch) | |
| tree | f6ba91aa9ed6514a66bfbd8476e7a59444ad230f | |
| parent | 859c0a5b9ca8eba2d65fa42f02505d76f8a712c7 (diff) | |
x86: use get_desc_base
This changes a couple of places to use the get_desc_base function.
They were duplicating the same calculation with different equivalent code.
Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | arch/x86/ia32/tls32.c | 7 | ||||
| -rw-r--r-- | arch/x86/kernel/process_64.c | 6 |
2 files changed, 2 insertions, 11 deletions
diff --git a/arch/x86/ia32/tls32.c b/arch/x86/ia32/tls32.c index 1cc4340de3c..cac4b26b589 100644 --- a/arch/x86/ia32/tls32.c +++ b/arch/x86/ia32/tls32.c @@ -85,11 +85,6 @@ asmlinkage long sys32_set_thread_area(struct user_desc __user *u_info) * Get the current Thread-Local Storage area: */ -#define GET_BASE(desc) ( \ - (((desc)->a >> 16) & 0x0000ffff) | \ - (((desc)->b << 16) & 0x00ff0000) | \ - ( (desc)->b & 0xff000000) ) - #define GET_LIMIT(desc) ( \ ((desc)->a & 0x0ffff) | \ ((desc)->b & 0xf0000) ) @@ -117,7 +112,7 @@ int do_get_thread_area(struct thread_struct *t, struct user_desc __user *u_info) memset(&info, 0, sizeof(struct user_desc)); info.entry_number = idx; - info.base_addr = GET_BASE(desc); + info.base_addr = get_desc_base(desc); info.limit = GET_LIMIT(desc); info.seg_32bit = GET_32BIT(desc); info.contents = GET_CONTENTS(desc); diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index aa9414ed74c..9ea1d7546f8 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -464,11 +464,7 @@ static inline void set_32bit_tls(struct task_struct *t, int tls, u32 addr) static inline u32 read_32bit_tls(struct task_struct *t, int tls) { - struct desc_struct *desc = (void *)t->thread.tls_array; - desc += tls; - return desc->base0 | - (((u32)desc->base1) << 16) | - (((u32)desc->base2) << 24); + return get_desc_base(&t->thread.tls_array[tls]); } /* |