From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f202.google.com (mail-pg1-f202.google.com [209.85.215.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3EF18A48 for ; Fri, 13 Jun 2025 00:49:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749775776; cv=none; b=dtpt2JEY6ctGAwb28Bu0sw/64vyBA4JGeGMDoej6nxrtfeIfylWhwe3dDREnpsn55QZNiuG/YZHTa5Y8vZtT4+TU5I2Cm++KHmgdieClD1zHBIMMkJuLunHBLQMYJ27jBWUrAHhDMfB+ilh0l/nxzXCytBOI+F64Ec4IbnzbTvs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749775776; c=relaxed/simple; bh=DAqvbA0hS+o5KtM7opWCVp6MBsUfRtbBNRaWQZd+uVo=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=BVu6OSBDDnUhhXxr5UXQj2RrjEVBjYuequ+z4TaLtgcvQnIOMc3YdHDlm+E/pQP1MgIyvhH0Kgv5uc8xZ6PWHa9HHsInYsQMHdTDm6R253a4Gs4TpMFt1ds6LRsTUQkq0L03Ucr8AKffFhWSpJBZHFyl+DcXUVXQ6f2lDr80rYI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=x6W/DK1P; arc=none smtp.client-ip=209.85.215.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="x6W/DK1P" Received: by mail-pg1-f202.google.com with SMTP id 41be03b00d2f7-b090c7c2c6aso995244a12.0 for ; Thu, 12 Jun 2025 17:49:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1749775774; x=1750380574; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=4FvmDiCBlAa5zfliAxjVzhpZvlPI0T0u5Y5VHGSwwmo=; b=x6W/DK1PYQlPxFNP9mCpMVQWy+G2qIonCWtLQwQD8Snq3FEfJd4BYYXCjd0kLYz1fQ Uqoz7KA9JnXXcJTGW1EMNuYAAnGl7GVkZM1SvgIWTsnbryFAKxG75ppoTSKC1CMq4Lzt RutGWX6Sz3jaxeAAmW6uZ9N8c0M67coCZ1brVpkBnxbBFZv/tnEpoqENULlJvQ3/+D4g xWwRqaQMD4fO1XbHnB7BN1KaIbZZje/DgFaMNnlCfxOOkkKppxsm3VukY8taO4RGgkTI ecWEo4lLvJOnv0FxDhGhhsK3AUkuJS9Ckz8lApk5GXeLgE3gHKC+SB3yWf4dBlXclpIp UKmQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1749775774; x=1750380574; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=4FvmDiCBlAa5zfliAxjVzhpZvlPI0T0u5Y5VHGSwwmo=; b=JKxU7YccM0FyDjAaTQYYEa0+p5sZr7bUsHulav7YIBGqPZdpHxLK3bai54oJbFNbIu nGQvdoVHvGnjd4i141LXtG1DadtWLcqHNYU077SD3TnSirmkikF7KwNqwy9eotZxFsTl 4+PEPAGVYIh1DSsu8CNI+GxRmQ8YWAhUOnv2xn9eAqJ28Ii2CgstzMQKKzKicaIAjEgH 1lORWOrYVxwTJ59xYwl7bLFSnzH9ctWSMWgXMKmEpZ3C68YoGoNqYLYtNPkLk1jUMTmr lRWcis76geGq7kgrd4JeW0rApmwLZ+wEaifrKa8hNy98bVTbzfwMY4ibaTG0aDEM0dtR Zp0g== X-Forwarded-Encrypted: i=1; AJvYcCWUDPh18aZD3tRyz+MagfOAfViQurYgyLtB+PaxZ2MYO3Kml1FArRv7/MzE2jnijZxf1ec+0gAXoA6vCL4=@vger.kernel.org X-Gm-Message-State: AOJu0YySyVfswCj/cUmzJiABz/ZKRmdgJZ9FxoqRLyhsl4Bdf9SjYokR NaCcNQrruggE2C3Eyrc+nRuttofU/8R1FEtc3VzS0qI/TTEP0SDZEngjMtb6USTSIBs/2B9+Z8o q50uStA== X-Google-Smtp-Source: AGHT+IGCP/N0twmUMa5/oxWlMNDiWLm2BmTdK3OLsZcM14ETDa111hrsNNaEPSG7f+8WEkfL1n5NXpqhx2Q= X-Received: from pgbda5.prod.google.com ([2002:a05:6a02:2385:b0:b2e:c3bd:cf90]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a20:c781:b0:1f5:8cc8:9cbe with SMTP id adf61e73a8af0-21facbaed3amr1149706637.5.1749775774647; Thu, 12 Jun 2025 17:49:34 -0700 (PDT) Date: Thu, 12 Jun 2025 17:49:33 -0700 In-Reply-To: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250611213557.294358-1-seanjc@google.com> <20250611213557.294358-6-seanjc@google.com> Message-ID: Subject: Re: [PATCH v2 05/18] KVM: x86: Move PIT ioctl helpers to i8254.c From: Sean Christopherson To: Kai Huang Cc: "pbonzini@redhat.com" , "vkuznets@redhat.com" , "kvm@vger.kernel.org" , "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset="us-ascii" On Thu, Jun 12, 2025, Kai Huang wrote: > On Wed, 2025-06-11 at 14:35 -0700, Sean Christopherson wrote: > > Move the PIT ioctl helpers to i8254.c, i.e. to the file that implements > > PIT emulation. Eliminating PIT code in x86.c will allow adding a Kconfig > > to control support for in-kernel I/O APIC, PIC, and PIT emulation with > > minimal #ifdefs. > > And it matches the other (existing) ioctl helpers which are under > CONFIG_KVM_HYPERV [*] and CONFIG_KVM_XEN too. > > [*]: The kvm_ioctl_get_supported_hv_cpuid() seems to be the only one that > still remains in kvm/x86.c but not in kvm/hyperv.c. Ooh, yeah, that'd be a good one to move out of x86.c.