From 9d1c6e7c86ddc366d67f0c5fa77be9b93710037a Mon Sep 17 00:00:00 2001 From: Glauber de Oliveira Costa Date: Fri, 19 Oct 2007 20:35:03 +0200 Subject: 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 Signed-off-by: Andi Kleen Signed-off-by: Andrew Morton Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- arch/x86/kernel/suspend_64.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) (limited to 'arch/x86/kernel/suspend_64.c') diff --git a/arch/x86/kernel/suspend_64.c b/arch/x86/kernel/suspend_64.c index f8fafe5..622bb02 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 -- cgit v1.1