From patchwork Sun Sep 16 12:10:59 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Avi Kivity X-Patchwork-Id: 1462991 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 0DCAFDFFFF for ; Sun, 16 Sep 2012 12:11:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752497Ab2IPMLP (ORCPT ); Sun, 16 Sep 2012 08:11:15 -0400 Received: from mx1.redhat.com ([209.132.183.28]:3893 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752475Ab2IPMLJ (ORCPT ); Sun, 16 Sep 2012 08:11:09 -0400 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q8GCB8fm009375 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sun, 16 Sep 2012 08:11:08 -0400 Received: from s01.tlv.redhat.com (s01.tlv.redhat.com [10.35.255.8]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id q8GCB1FV003713; Sun, 16 Sep 2012 08:11:07 -0400 From: Avi Kivity To: Marcelo Tosatti Cc: kvm@vger.kernel.org, Andi Kleen Subject: [PATCH 3/3] KVM: SVM: Make use of asm.h Date: Sun, 16 Sep 2012 15:10:59 +0300 Message-Id: <1347797459-7183-4-git-send-email-avi@redhat.com> In-Reply-To: <1347797459-7183-1-git-send-email-avi@redhat.com> References: <1347797459-7183-1-git-send-email-avi@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Use macros for bitness-insensitive register names, instead of rolling our own. Signed-off-by: Avi Kivity --- arch/x86/kvm/svm.c | 46 ++++++++++++++++++++-------------------------- 1 file changed, 20 insertions(+), 26 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 611c728..818fceb 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -3782,12 +3782,6 @@ static void svm_cancel_injection(struct kvm_vcpu *vcpu) svm_complete_interrupts(svm); } -#ifdef CONFIG_X86_64 -#define R "r" -#else -#define R "e" -#endif - static void svm_vcpu_run(struct kvm_vcpu *vcpu) { struct vcpu_svm *svm = to_svm(vcpu); @@ -3814,13 +3808,13 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu) local_irq_enable(); asm volatile ( - "push %%"R"bp; \n\t" - "mov %c[rbx](%[svm]), %%"R"bx \n\t" - "mov %c[rcx](%[svm]), %%"R"cx \n\t" - "mov %c[rdx](%[svm]), %%"R"dx \n\t" - "mov %c[rsi](%[svm]), %%"R"si \n\t" - "mov %c[rdi](%[svm]), %%"R"di \n\t" - "mov %c[rbp](%[svm]), %%"R"bp \n\t" + "push %%" _ASM_BP "; \n\t" + "mov %c[rbx](%[svm]), %%" _ASM_BX " \n\t" + "mov %c[rcx](%[svm]), %%" _ASM_CX " \n\t" + "mov %c[rdx](%[svm]), %%" _ASM_DX " \n\t" + "mov %c[rsi](%[svm]), %%" _ASM_SI " \n\t" + "mov %c[rdi](%[svm]), %%" _ASM_DI " \n\t" + "mov %c[rbp](%[svm]), %%" _ASM_BP " \n\t" #ifdef CONFIG_X86_64 "mov %c[r8](%[svm]), %%r8 \n\t" "mov %c[r9](%[svm]), %%r9 \n\t" @@ -3833,20 +3827,20 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu) #endif /* Enter guest mode */ - "push %%"R"ax \n\t" - "mov %c[vmcb](%[svm]), %%"R"ax \n\t" + "push %%" _ASM_AX " \n\t" + "mov %c[vmcb](%[svm]), %%" _ASM_AX " \n\t" __ex(SVM_VMLOAD) "\n\t" __ex(SVM_VMRUN) "\n\t" __ex(SVM_VMSAVE) "\n\t" - "pop %%"R"ax \n\t" + "pop %%" _ASM_AX " \n\t" /* Save guest registers, load host registers */ - "mov %%"R"bx, %c[rbx](%[svm]) \n\t" - "mov %%"R"cx, %c[rcx](%[svm]) \n\t" - "mov %%"R"dx, %c[rdx](%[svm]) \n\t" - "mov %%"R"si, %c[rsi](%[svm]) \n\t" - "mov %%"R"di, %c[rdi](%[svm]) \n\t" - "mov %%"R"bp, %c[rbp](%[svm]) \n\t" + "mov %%" _ASM_BX ", %c[rbx](%[svm]) \n\t" + "mov %%" _ASM_CX ", %c[rcx](%[svm]) \n\t" + "mov %%" _ASM_DX ", %c[rdx](%[svm]) \n\t" + "mov %%" _ASM_SI ", %c[rsi](%[svm]) \n\t" + "mov %%" _ASM_DI ", %c[rdi](%[svm]) \n\t" + "mov %%" _ASM_BP ", %c[rbp](%[svm]) \n\t" #ifdef CONFIG_X86_64 "mov %%r8, %c[r8](%[svm]) \n\t" "mov %%r9, %c[r9](%[svm]) \n\t" @@ -3857,7 +3851,7 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu) "mov %%r14, %c[r14](%[svm]) \n\t" "mov %%r15, %c[r15](%[svm]) \n\t" #endif - "pop %%"R"bp" + "pop %%" _ASM_BP : : [svm]"a"(svm), [vmcb]"i"(offsetof(struct vcpu_svm, vmcb_pa)), @@ -3878,9 +3872,11 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu) [r15]"i"(offsetof(struct vcpu_svm, vcpu.arch.regs[VCPU_REGS_R15])) #endif : "cc", "memory" - , R"bx", R"cx", R"dx", R"si", R"di" #ifdef CONFIG_X86_64 + , "rbx", "rcx", "rdx", "rsi", "rdi" , "r8", "r9", "r10", "r11" , "r12", "r13", "r14", "r15" +#else + , "ebx", "ecx", "edx", "esi", "edi" #endif ); @@ -3940,8 +3936,6 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu) mark_all_clean(svm->vmcb); } -#undef R - static void svm_set_cr3(struct kvm_vcpu *vcpu, unsigned long root) { struct vcpu_svm *svm = to_svm(vcpu);