From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B67F5437855; Tue, 28 Jul 2026 17:42:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785260562; cv=none; b=aYj1yTzGnvJ6fzJxYVi+3IJMcKlXaB0e+BbEAcaYkytElzQqdFZF6LGJFbJMeJdXcClfpK1ggtXMCP69AIRRs5i15ulI07vWCVn57xmz05y5yjkLmQLkJqXtpM8aMg0J+/0FV9p/sQPLVLnDx/r0YApqpz0n0ioW56DuV9S3FQ0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785260562; c=relaxed/simple; bh=lbH7JjPEGS0xmReLA1ycsoQbbHq4Ool3PQ7FO78hDiQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=oHw0Y4oVCOsQqcQ59Xbr9jFEReoVwSULlxTptYIDiPxy8agBCndXbDY0Eg/fnRxqyEJfJMWE3BVgHY5b374gPB2wa0+47lFYCjLme9ClTIpvq7REaK7QdRIgP+w0CDo+5hhRqX+1VZGHXZ7xgOrjrUJ4HDKFgo8coRiLdO25mBE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FeJ7I1Dh; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="FeJ7I1Dh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 41FFB1F00A3D; Tue, 28 Jul 2026 17:42:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785260560; bh=2aWvaYBeDcNVbS5b1j5qkl8R/YocatdbNurgREgdseI=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=FeJ7I1Dh/tsUrqp3io9mhgyxFLUWcdFlt9CpQ+lcw6g0xrxKateCLtEQLbEH1tqnt wzep3T3bSyAPD8q9vzp9tDcVvlcopMtpoOdsNEUi/AJhFKQuyG+4H+3yBtVSHZqBq0 LEhtaf2/TUM2ycVNcQ396Rtlj3jI0GOu5jmJYBMRcRpPCZyN3VTo+OEapbg2W8MBEK wHzLpihzDWFb9QnamO6xB+8fo+4MdW5BeUCksUgi51W1ouCRyra6y5ck5c65VyyCPv BlELkSn1x51lxQgLU2Edr9YhrUlkVQxGmwyd0ORj1PrlryBs7ztxptJ+kpOt645+EC 0vS56aeL+zb2A== From: Yosry Ahmed To: Sean Christopherson Cc: Paolo Bonzini , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Yosry Ahmed Subject: [PATCH v5 04/13] KVM: selftests: Handle rflags save/restore for SVM in guest_regs Date: Tue, 28 Jul 2026 17:42:23 +0000 Message-ID: <20260728174232.2423257-5-yosry@kernel.org> X-Mailer: git-send-email 2.55.0.487.gaf234c4eb3-goog In-Reply-To: <20260728174232.2423257-1-yosry@kernel.org> References: <20260728174232.2423257-1-yosry@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Instead of handling rflags separately, add it to guest_regs. No functional change intended. Assisted-by: Gemini:Gemini-Next Signed-off-by: Yosry Ahmed --- tools/testing/selftests/kvm/include/x86/processor.h | 4 +++- tools/testing/selftests/kvm/lib/x86/svm.c | 6 ++---- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/tools/testing/selftests/kvm/include/x86/processor.h b/tools/testing/selftests/kvm/include/x86/processor.h index d7f1acaddd4ee..dab64688e8eae 100644 --- a/tools/testing/selftests/kvm/include/x86/processor.h +++ b/tools/testing/selftests/kvm/include/x86/processor.h @@ -415,6 +415,7 @@ struct guest_regs { u64 r13; u64 r14; u64 r15; + u64 rflags; }; extern struct guest_regs guest_regs; @@ -438,7 +439,8 @@ extern struct guest_regs guest_regs; GUEST_REG_OFFSET(r12), \ GUEST_REG_OFFSET(r13), \ GUEST_REG_OFFSET(r14), \ - GUEST_REG_OFFSET(r15) + GUEST_REG_OFFSET(r15), \ + GUEST_REG_OFFSET(rflags) #define GUEST_REG(name) "guest_regs + %c[off_" #name "]" diff --git a/tools/testing/selftests/kvm/lib/x86/svm.c b/tools/testing/selftests/kvm/lib/x86/svm.c index 7db38faded89e..b05be50f075d6 100644 --- a/tools/testing/selftests/kvm/lib/x86/svm.c +++ b/tools/testing/selftests/kvm/lib/x86/svm.c @@ -13,8 +13,6 @@ #define SEV_DEV_PATH "/dev/sev" -u64 rflags; - /* Allocate memory regions for nested SVM tests. * * Input Args: @@ -161,7 +159,7 @@ void run_guest(struct vmcb *vmcb, u64 vmcb_gpa) { asm volatile ( "vmload %[vmcb_gpa]\n\t" - "mov rflags, %%r15\n\t" + "mov " GUEST_REG(rflags) ", %%r15\n\t" "mov %%r15, %[vmcb_rflags]\n\t" "mov " GUEST_REG(rax) ", %%r15\n\t" "mov %%r15, %[vmcb_rax]\n\t" @@ -169,7 +167,7 @@ void run_guest(struct vmcb *vmcb, u64 vmcb_gpa) "vmrun %[vmcb_gpa]\n\t" SVM_SWITCH_GPRS_ASM "mov %[vmcb_rflags], %%r15\n\t" - "mov %%r15, rflags\n\t" + "mov %%r15, " GUEST_REG(rflags) "\n\t" "mov %[vmcb_rax], %%r15\n\t" // rax "mov %%r15, " GUEST_REG(rax) "\n\t" "vmsave %[vmcb_gpa]\n\t" -- 2.55.0.487.gaf234c4eb3-goog