From: Yosry Ahmed <yosry@kernel.org>
To: Sean Christopherson <seanjc@google.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
David Woodhouse <dwmw2@infradead.org>,
Paul Durrant <paul@xen.org>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
Binbin Wu <binbin.wu@linux.intel.com>,
David Woodhouse <dwmw@amazon.co.uk>,
Kai Huang <kai.huang@intel.com>
Subject: Re: [PATCH v3 15/40] KVM: x86: Move the bulk of register specific code from x86.c to regs.c
Date: Mon, 1 Jun 2026 23:35:27 +0000 [thread overview]
Message-ID: <ah4XNYVZyLLKjWG6@google.com> (raw)
In-Reply-To: <ah2UCaDJdfTwlMTU@google.com>
On Mon, Jun 01, 2026 at 07:15:37AM -0700, Sean Christopherson wrote:
> On Sat, May 30, 2026, Yosry Ahmed wrote:
> > On Fri, May 29, 2026 at 03:21:58PM -0700, Sean Christopherson wrote:
> > > Introduce regs.c, and move the vast majority of register specific code out
> > > of x86.c and into regs.c. Deliberately leave behind MSR code (except for
> > > EFER, which can hardly be called an MSR), as KVM's MSR support is complex
> > > enough to warrant its own compilation unit, and doesn't have much in common
> > > with the other register code.
> > >
> > > No functional change intended.
> > >
> > > Signed-off-by: Sean Christopherson <seanjc@google.com>
> >
> > This is not just code movement. You're also renaming and introducing new
> > helpers in the process, making the patch not so easy to review.
> >
> > A wise mine once told me not to do this:
> > https://lore.kernel.org/kvm/aYU87QeMg8_kTM-G@google.com/
> >
> > I have been waiting a few months for this, so here goes:
> >
> > Stop. Bundling. Things. Together.
>
> Gooood. Use your aggressive feelings, boy. Let the hate flow through you!
I guess I did turn to the dark side after all.
next prev parent reply other threads:[~2026-06-01 23:35 UTC|newest]
Thread overview: 92+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-29 22:21 [PATCH v3 00/40] KVM: x86: GPR accessors and x86.{c,h} spring cleaning Sean Christopherson
2026-05-29 22:21 ` [PATCH v3 01/40] KVM: SVM: Truncate INVLPGA address in compatibility mode Sean Christopherson
2026-05-29 22:21 ` [PATCH v3 02/40] KVM: x86/xen: Bug the VM if 32-bit KVM observes a 64-bit mode hypercall Sean Christopherson
2026-05-29 22:21 ` [PATCH v3 03/40] KVM: x86/xen: Don't truncate RAX when handling hypercall from protected guest Sean Christopherson
2026-05-29 22:21 ` [PATCH v3 04/40] KVM: VMX: Read 32-bit GPR values for ENCLS instructions outside of 64-bit mode Sean Christopherson
2026-05-29 22:21 ` [PATCH v3 05/40] KVM: x86: Trace hypercall register *after* truncating values for 32-bit Sean Christopherson
2026-05-29 22:21 ` [PATCH v3 06/40] KVM: x86: Rename kvm_cache_regs.h => regs.h Sean Christopherson
2026-05-29 22:21 ` [PATCH v3 07/40] KVM: x86: Move inlined GPR, CR, and DR helpers from x86.h to regs.h Sean Christopherson
2026-05-29 22:21 ` [PATCH v3 08/40] KVM: x86: Add mode-aware versions of kvm_<reg>_{read,write}() helpers Sean Christopherson
2026-06-03 11:15 ` Huang, Kai
2026-05-29 22:21 ` [PATCH v3 09/40] KVM: x86: Drop non-raw kvm_<reg>_write() helpers Sean Christopherson
2026-05-29 22:21 ` [PATCH v3 10/40] KVM: nSVM: Use kvm_rax_read() now that it's mode-aware Sean Christopherson
2026-05-29 22:21 ` [PATCH v3 11/40] Revert "KVM: VMX: Read 32-bit GPR values for ENCLS instructions outside of 64-bit mode" Sean Christopherson
2026-05-29 22:21 ` [PATCH v3 12/40] KVM: x86: Harden is_64_bit_hypercall() against bugs on 32-bit kernels Sean Christopherson
2026-05-29 22:21 ` [PATCH v3 13/40] KVM: x86: Move update_cr8_intercept() to lapic.c Sean Christopherson
2026-05-30 0:35 ` Yosry Ahmed
2026-06-03 11:16 ` Huang, Kai
2026-05-29 22:21 ` [PATCH v3 14/40] KVM: x86: Move async #PF helpers to x86.h (as inlines) Sean Christopherson
2026-05-30 0:36 ` Yosry Ahmed
2026-05-30 0:39 ` Sean Christopherson
2026-05-30 0:45 ` Yosry Ahmed
2026-06-03 11:18 ` Huang, Kai
2026-05-29 22:21 ` [PATCH v3 15/40] KVM: x86: Move the bulk of register specific code from x86.c to regs.c Sean Christopherson
2026-05-30 0:43 ` Yosry Ahmed
2026-06-01 14:15 ` Sean Christopherson
2026-06-01 23:35 ` Yosry Ahmed [this message]
2026-06-03 11:33 ` Huang, Kai
2026-05-29 22:21 ` [PATCH v3 16/40] KVM: x86: Move local APIC specific helpers out of asm/kvm_host.h Sean Christopherson
2026-05-30 0:37 ` Yosry Ahmed
2026-06-03 11:40 ` Huang, Kai
2026-05-29 22:22 ` [PATCH v3 17/40] KVM: x86: Drop defunct vcpu_tsc_khz() declaration Sean Christopherson
2026-05-30 0:45 ` Yosry Ahmed
2026-06-03 11:41 ` Huang, Kai
2026-05-29 22:22 ` [PATCH v3 18/40] KVM: x86: Move kvm_caps and kvm_host_values to asm/kvm_host.h Sean Christopherson
2026-05-30 0:46 ` Yosry Ahmed
2026-06-03 11:51 ` Huang, Kai
2026-05-29 22:22 ` [PATCH v3 19/40] KVM: x86: Swap the include order between x86.h and mmu.h Sean Christopherson
2026-05-30 0:48 ` Yosry Ahmed
2026-06-01 14:55 ` Sean Christopherson
2026-06-01 20:27 ` Yosry Ahmed
2026-06-01 21:19 ` Sean Christopherson
2026-06-03 11:53 ` Huang, Kai
2026-05-29 22:22 ` [PATCH v3 20/40] KVM: x86: Move tdp_enabled from kvm_host.h to mmu.h Sean Christopherson
2026-05-30 0:51 ` Yosry Ahmed
2026-06-03 11:56 ` Huang, Kai
2026-05-29 22:22 ` [PATCH v3 21/40] KVM: x86: Move eager_page_split to mmu.{c,h} Sean Christopherson
2026-05-30 0:51 ` Yosry Ahmed
2026-06-03 11:59 ` Huang, Kai
2026-05-29 22:22 ` [PATCH v3 22/40] KVM: x86/hyperv: Eliminate an unnecessary include of x86.h in hyperv.h Sean Christopherson
2026-05-29 22:22 ` [PATCH v3 23/40] KVM: x86: Move kvm_{load,put}_guest_fpu() to fpu.h Sean Christopherson
2026-05-30 0:52 ` Yosry Ahmed
2026-05-29 22:22 ` [PATCH v3 24/40] KVM: x86: Extract get/set MSR (list) ioctl logic to helpers Sean Christopherson
2026-05-30 0:55 ` Yosry Ahmed
2026-05-29 22:22 ` [PATCH v3 25/40] KVM: x86: Expose several TSC helpers via x86.h for use by MSR code Sean Christopherson
2026-05-29 22:22 ` [PATCH v3 26/40] KVM: x86: Move the bulk of MSR specific code from x86.c to msrs.{c,h} Sean Christopherson
2026-05-29 22:22 ` [PATCH v3 27/40] KVM: x86: Move register helper declarations from kvm_host.h => regs.h Sean Christopherson
2026-05-30 0:56 ` Yosry Ahmed
2026-06-01 14:24 ` Sean Christopherson
2026-06-01 23:36 ` Yosry Ahmed
2026-05-29 22:22 ` [PATCH v3 28/40] KVM: x86: Move kvm_{g,s}et_segment() to inline helpers in regs.h Sean Christopherson
2026-05-30 0:57 ` Yosry Ahmed
2026-05-29 22:22 ` [PATCH v3 29/40] KVM: x86: Remove defunct kvm_load_segment_descriptor() declaration Sean Christopherson
2026-05-30 0:57 ` Yosry Ahmed
2026-05-29 22:22 ` [PATCH v3 30/40] KVM: x86: Move MSR helper declarations from kvm_host.h => msrs.h Sean Christopherson
2026-05-30 0:59 ` Yosry Ahmed
2026-06-01 14:50 ` Sean Christopherson
2026-06-01 23:38 ` Yosry Ahmed
2026-05-29 22:22 ` [PATCH v3 31/40] KVM: x86: Move MMU helper declarations from kvm_host.h => mmu.h Sean Christopherson
2026-05-30 0:59 ` Yosry Ahmed
2026-05-29 22:22 ` [PATCH v3 32/40] KVM: x86: Move LLDT assembly wrappers into VMX Sean Christopherson
2026-05-30 1:02 ` Yosry Ahmed
2026-06-01 15:17 ` Sean Christopherson
2026-06-01 23:41 ` Yosry Ahmed
2026-05-29 22:22 ` [PATCH v3 33/40] KVM: x86: Move kvm_cpu_get_apicid() from kvm_host.h => avic.c Sean Christopherson
2026-05-30 1:03 ` Yosry Ahmed
2026-05-29 22:22 ` [PATCH v3 34/40] KVM: x86: Move misc "VALID MASK" defines from kvm_host.h => x86.c Sean Christopherson
2026-05-30 1:05 ` Yosry Ahmed
2026-05-29 22:22 ` [PATCH v3 35/40] KVM: x86: Move __kvm_irq_line_state() from kvm_host.h => ioapic.h Sean Christopherson
2026-05-30 1:06 ` Yosry Ahmed
2026-05-29 22:22 ` [PATCH v3 36/40] KVM: x86: Move IRQ-related helper declarations from kvm_host.h => irq.h Sean Christopherson
2026-05-30 1:10 ` Yosry Ahmed
2026-06-01 15:22 ` Sean Christopherson
2026-06-01 23:44 ` Yosry Ahmed
2026-05-29 22:22 ` [PATCH v3 37/40] KVM: x86: Move kvm_pv_send_ipi() declaration from kvm_host.h => lapic.h Sean Christopherson
2026-05-30 1:11 ` Yosry Ahmed
2026-05-29 22:22 ` [PATCH v3 38/40] KVM: x86/mmu: Move kvm_arch_async_page_ready() below kvm_tdp_page_fault() Sean Christopherson
2026-05-30 1:12 ` Yosry Ahmed
2026-05-29 22:22 ` [PATCH v3 39/40] KVM: x86/mmu: Move kvm_mmu_do_page_fault() from mmu_internal.h => mmu.c Sean Christopherson
2026-05-30 1:13 ` Yosry Ahmed
2026-05-29 22:22 ` [PATCH v3 40/40] KVM: x86: Move a pile of stuff from kvm_host.h => x86.h Sean Christopherson
2026-05-30 16:59 ` [PATCH v3 00/40] KVM: x86: GPR accessors and x86.{c,h} spring cleaning Paolo Bonzini
2026-06-03 12:58 ` Sean Christopherson
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=ah4XNYVZyLLKjWG6@google.com \
--to=yosry@kernel.org \
--cc=binbin.wu@linux.intel.com \
--cc=dwmw2@infradead.org \
--cc=dwmw@amazon.co.uk \
--cc=kai.huang@intel.com \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=paul@xen.org \
--cc=pbonzini@redhat.com \
--cc=seanjc@google.com \
--cc=vkuznets@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox