From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D24B4C4332F for ; Mon, 14 Nov 2022 10:58:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236088AbiKNK6u (ORCPT ); Mon, 14 Nov 2022 05:58:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53988 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236156AbiKNK6t (ORCPT ); Mon, 14 Nov 2022 05:58:49 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6D2DBFC3 for ; Mon, 14 Nov 2022 02:58:48 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 16B62B80DE5 for ; Mon, 14 Nov 2022 10:58:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 14444C433C1; Mon, 14 Nov 2022 10:58:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1668423525; bh=rvFLXx+PaCRNjfqxm/WXfaSbvDlSsn6aFt0NXV+vUhQ=; h=Subject:To:Cc:From:Date:From; b=JmzgBNcyGFswJPDxykUq0VPv4YfvzOzOSNKQYzVX7vwDq0rQfJhvAGP3Ho9BhLDDR cKOIiL8xZuw4Kl8P5WI+QTyGSSjDjoCKOuw6DmactoaoOSEaZMsGcXLhFODBYX3fjl R73aLjK/3ZMXLRlB4zFHS0nLhhQzbnXETgXaLXlw= Subject: FAILED: patch "[PATCH] KVM: x86: use a separate asm-offsets.c file" failed to apply to 5.15-stable tree To: pbonzini@redhat.com, seanjc@google.com Cc: From: Date: Mon, 14 Nov 2022 11:58:37 +0100 Message-ID: <166842351793119@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . Possible dependencies: debc5a1ec0d1 ("KVM: x86: use a separate asm-offsets.c file") bb06650634d3 ("KVM: VMX: Convert launched argument to flags") 8bd200d23ec4 ("KVM: VMX: Flatten __vmx_vcpu_run()") 527a534c7326 ("x86/tdx: Provide common base for SEAMCALL and TDCALL C wrappers") 59bd54a84d15 ("x86/tdx: Detect running as a TDX guest in early boot") 6198311093da ("x86/cc: Move arch/x86/{kernel/cc_platform.c => coco/core.c}") f94909ceb1ed ("x86: Prepare asm files for straight-line-speculation") 22da5a07c75e ("x86/lib/atomic64_386_32: Rename things") 1367afaa2ee9 ("x86/entry: Use the correct fence macro after swapgs in kernel CR3") c07e45553da1 ("x86/entry: Add a fence for kernel entry SWAPGS in paranoid_entry()") 6e5772c8d9cf ("Merge tag 'x86_cc_for_v5.16_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From debc5a1ec0d195ffea70d11efeffb713de9fdbc7 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Tue, 8 Nov 2022 09:44:53 +0100 Subject: [PATCH] KVM: x86: use a separate asm-offsets.c file This already removes an ugly #include "" from asm-offsets.c, but especially it avoids a future error when trying to define asm-offsets for KVM's svm/svm.h header. This would not work for kernel/asm-offsets.c, because svm/svm.h includes kvm_cache_regs.h which is not in the include path when compiling asm-offsets.c. The problem is not there if the .c file is in arch/x86/kvm. Suggested-by: Sean Christopherson Cc: stable@vger.kernel.org Fixes: a149180fbcf3 ("x86: Add magic AMD return-thunk") Reviewed-by: Sean Christopherson Signed-off-by: Paolo Bonzini diff --git a/arch/x86/kernel/asm-offsets.c b/arch/x86/kernel/asm-offsets.c index cb50589a7102..437308004ef2 100644 --- a/arch/x86/kernel/asm-offsets.c +++ b/arch/x86/kernel/asm-offsets.c @@ -19,7 +19,6 @@ #include #include #include -#include "../kvm/vmx/vmx.h" #ifdef CONFIG_XEN #include @@ -108,9 +107,4 @@ static void __used common(void) OFFSET(TSS_sp0, tss_struct, x86_tss.sp0); OFFSET(TSS_sp1, tss_struct, x86_tss.sp1); OFFSET(TSS_sp2, tss_struct, x86_tss.sp2); - - if (IS_ENABLED(CONFIG_KVM_INTEL)) { - BLANK(); - OFFSET(VMX_spec_ctrl, vcpu_vmx, spec_ctrl); - } } diff --git a/arch/x86/kvm/.gitignore b/arch/x86/kvm/.gitignore new file mode 100644 index 000000000000..615d6ff35c00 --- /dev/null +++ b/arch/x86/kvm/.gitignore @@ -0,0 +1,2 @@ +/kvm-asm-offsets.s +/kvm-asm-offsets.h diff --git a/arch/x86/kvm/Makefile b/arch/x86/kvm/Makefile index 30f244b64523..a02cf9baacc8 100644 --- a/arch/x86/kvm/Makefile +++ b/arch/x86/kvm/Makefile @@ -34,3 +34,12 @@ endif obj-$(CONFIG_KVM) += kvm.o obj-$(CONFIG_KVM_INTEL) += kvm-intel.o obj-$(CONFIG_KVM_AMD) += kvm-amd.o + +AFLAGS_vmx/vmenter.o := -iquote $(obj) +$(obj)/vmx/vmenter.o: $(obj)/kvm-asm-offsets.h + +$(obj)/kvm-asm-offsets.h: $(obj)/kvm-asm-offsets.s FORCE + $(call filechk,offsets,__KVM_ASM_OFFSETS_H__) + +targets += kvm-asm-offsets.s +clean-files += kvm-asm-offsets.h diff --git a/arch/x86/kvm/kvm-asm-offsets.c b/arch/x86/kvm/kvm-asm-offsets.c new file mode 100644 index 000000000000..9d84f2b32d7f --- /dev/null +++ b/arch/x86/kvm/kvm-asm-offsets.c @@ -0,0 +1,18 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Generate definitions needed by assembly language modules. + * This code generates raw asm output which is post-processed to extract + * and format the required data. + */ +#define COMPILE_OFFSETS + +#include +#include "vmx/vmx.h" + +static void __used common(void) +{ + if (IS_ENABLED(CONFIG_KVM_INTEL)) { + BLANK(); + OFFSET(VMX_spec_ctrl, vcpu_vmx, spec_ctrl); + } +} diff --git a/arch/x86/kvm/vmx/vmenter.S b/arch/x86/kvm/vmx/vmenter.S index 8477d8bdd69c..0b5db4de4d09 100644 --- a/arch/x86/kvm/vmx/vmenter.S +++ b/arch/x86/kvm/vmx/vmenter.S @@ -1,12 +1,12 @@ /* SPDX-License-Identifier: GPL-2.0 */ #include #include -#include #include #include #include #include #include +#include "kvm-asm-offsets.h" #include "run_flags.h" #define WORD_SIZE (BITS_PER_LONG / 8)