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authorRusty Russell <rusty@rustcorp.com.au>2007-05-02 19:27:09 +0200
committerAndi Kleen <andi@basil.nowhere.org>2007-05-02 19:27:09 +0200
commiteab0c72aecd7982b2c848f7d493ba379efcef15e (patch)
tree760b05a1f4446a8a1d316d7534b94b18b8bb1b69 /include/asm-x86_64
parent692174b97d5b871f4b0f648b1fb17aa37b955876 (diff)
[PATCH] x86-64: Introduce load_TLS to the "for" loop.
GCC (4.1 at least) unrolls it anyway, but I can't believe this code was ever justifiable. (I've also submitted a patch which cleans up i386, which is even uglier). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andi Kleen <ak@suse.de> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/asm-x86_64')
-rw-r--r--include/asm-x86_64/desc.h11
1 files changed, 4 insertions, 7 deletions
diff --git a/include/asm-x86_64/desc.h b/include/asm-x86_64/desc.h
index 7726e74db53..ac991b5ca0f 100644
--- a/include/asm-x86_64/desc.h
+++ b/include/asm-x86_64/desc.h
@@ -135,16 +135,13 @@ static inline void set_ldt_desc(unsigned cpu, void *addr, int size)
(info)->useable == 0 && \
(info)->lm == 0)
-#if TLS_SIZE != 24
-# error update this code.
-#endif
-
static inline void load_TLS(struct thread_struct *t, unsigned int cpu)
{
+ unsigned int i;
u64 *gdt = (u64 *)(cpu_gdt(cpu) + GDT_ENTRY_TLS_MIN);
- gdt[0] = t->tls_array[0];
- gdt[1] = t->tls_array[1];
- gdt[2] = t->tls_array[2];
+
+ for (i = 0; i < GDT_ENTRY_TLS_ENTRIES; i++)
+ gdt[i] = t->tls_array[i];
}
/*