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| author | Glauber de Oliveira Costa <gcosta@redhat.com> | 2007-10-19 20:35:03 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-19 20:35:03 +0200 |
| commit | 9d1c6e7c86ddc366d67f0c5fa77be9b93710037a (patch) | |
| tree | 2561f09ea7393c04634352808b6cba2195099b73 /arch/x86/kernel/suspend_64.c | |
| parent | i386: consolidate show_regs and show_registers for i386 (diff) | |
| download | linux-9d1c6e7c86ddc366d67f0c5fa77be9b93710037a.tar.xz linux-9d1c6e7c86ddc366d67f0c5fa77be9b93710037a.zip | |
x86: use descriptor's functions instead of inline assembly
This patch provides a new set of functions for managing the descriptor
tables that can be used instead of putting the raw assembly in .c files.
Remodeling of store_tr() suggested by Frederik Deweerdt.
[ tglx: arch/x86 adaptation ]
Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/suspend_64.c')
| -rw-r--r-- | arch/x86/kernel/suspend_64.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/x86/kernel/suspend_64.c b/arch/x86/kernel/suspend_64.c index f8fafe527ff1..622bb0268284 100644 --- a/arch/x86/kernel/suspend_64.c +++ b/arch/x86/kernel/suspend_64.c @@ -32,9 +32,9 @@ void __save_processor_state(struct saved_context *ctxt) /* * descriptor tables */ - asm volatile ("sgdt %0" : "=m" (ctxt->gdt_limit)); - asm volatile ("sidt %0" : "=m" (ctxt->idt_limit)); - asm volatile ("str %0" : "=m" (ctxt->tr)); + store_gdt((struct desc_ptr *)&ctxt->gdt_limit); + store_idt((struct desc_ptr *)&ctxt->idt_limit); + store_tr(ctxt->tr); /* XMM0..XMM15 should be handled by kernel_fpu_begin(). */ /* @@ -91,8 +91,9 @@ void __restore_processor_state(struct saved_context *ctxt) * now restore the descriptor tables to their proper values * ltr is done i fix_processor_context(). */ - asm volatile ("lgdt %0" :: "m" (ctxt->gdt_limit)); - asm volatile ("lidt %0" :: "m" (ctxt->idt_limit)); + load_gdt((const struct desc_ptr *)&ctxt->gdt_limit); + load_idt((const struct desc_ptr *)&ctxt->idt_limit); + /* * segment registers |