Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=91394eb0975b3771dde7071a0825c6df6c20ff8a
Commit: 91394eb0975b3771dde7071a0825c6df6c20ff8a
Parent: 859c0a5b9ca8eba2d65fa42f02505d76f8a712c7
Author: Roland McGrath <[EMAIL PROTECTED]>
AuthorDate: Wed Jan 30 13:30:45 2008 +0100
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Wed Jan 30 13:30:45 2008 +0100
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 <[EMAIL PROTECTED]>
Cc: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
---
arch/x86/ia32/tls32.c | 7 +------
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 1cc4340..cac4b26 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 aa9414e..9ea1d75 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]);
}
/*
-
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