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From: Bjorn Helgaas <helgaas@kernel.org>
To: Sunil Muthuswamy <sunilmut@microsoft.com>
Cc: KY Srinivasan <kys@microsoft.com>,
	Boqun Feng <Boqun.Feng@microsoft.com>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	Stephen Hemminger <sthemmin@microsoft.com>,
	Wei Liu <liuwe@microsoft.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	"maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)"
	<x86@kernel.org>, "\"H. Peter Anvin\"" <hpa@zytor.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Rob Herring <robh@kernel.org>,
	Bjorn Helgaas <bhelgaas@google.com>,
	"linux-hyperv@vger.kernel.org" <linux-hyperv@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>
Subject: Re: [PATCH] Hyper-V: pci: x64: Generalize irq/msi set-up and handling
Date: Thu, 7 Jan 2021 09:02:16 -0600	[thread overview]
Message-ID: <20210107150216.GA1365474@bjorn-Precision-5520> (raw)
In-Reply-To: <SN4PR2101MB08808404302E2E1AB6A27DD6C0AF9@SN4PR2101MB0880.namprd21.prod.outlook.com>

There seems to be a long tradition of dreaming up random formats for
the subject lines of Hyper-V-related patches.  Look at all the
different ways these are spelled, hyphenated, and capitalized:

  $ git log --oneline arch/x86/include/asm/mshyperv.h
  626b901f6044 ("Drivers: hv: vmbus: Add parsing of VMbus interrupt in ACPI DSDT")
  b9d8cf2eb3ce ("x86/hyperv: Make hv_setup_sched_clock inline")
  a16be368dd3f ("x86/entry: Convert various hypervisor vectors to IDTENTRY_SYSVEC")
  2ddddd0b4e89 ("Drivers: hv: Move AEOI determination to architecture dependent code")
  1cf106d93245 ("PCI: hv: Introduce hv_msi_entry")
  b95a8a27c300 ("x86/vdso: Use generic VDSO clock mode storage")
  eec399dd8627 ("x86/vdso: Move VDSO clocksource state tracking to callback")
  fa36dcdf8b20 ("x86: hv: Add function to allocate zeroed page for Hyper-V")
  8c3e44bde7fd ("x86/hyperv: Add functions to allocate/deallocate page for Hyper-V")
  765e33f5211a ("Drivers: hv: vmbus: Break out ISA independent parts of mshyperv.h")
  dd2cb348613b ("clocksource/drivers: Continue making Hyper-V clocksource ISA agnostic")
  cc4edae4b924 ("x86/hyper-v: Add HvFlushGuestAddressList hypercall support")
  b42967dcac1d ("x86/hyper-v: Fix indentation in hv_do_fast_hypercall16()")
  3a025de64bf8 ("x86/hyperv: Enable PV qspinlock for Hyper-V")
  eb914cfe72f4 ("X86/Hyper-V: Add flush HvFlushGuestPhysicalAddressSpace hypercall support")
  ...

On Thu, Jan 07, 2021 at 05:05:36AM +0000, Sunil Muthuswamy wrote:
> Currently, operations related to irq/msi in Hyper-V vPCI are

In comments in the patch, you use "IRQ" and "MSI".  I don't know
whether "vPCI" means something or is a typo.  I suppose it probably
means "virtual PCI" as below.

> x86-specific code. In order to support virtual PCI on Hyper-V for
> other architectures, introduce generic interfaces to replace the
> x86-specific ones. There are no functional changes in this patch.
>
> Signed-off-by: Sunil Muthuswamy <sunilmut@microsoft.com>
> Signed-off-by: Boqun Feng (Microsoft) <boqun.feng@gmail.com>
> ...

  parent reply	other threads:[~2021-01-07 15:03 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-07  5:05 [PATCH] Hyper-V: pci: x64: Generalize irq/msi set-up and handling Sunil Muthuswamy
2021-01-07  8:03 ` Borislav Petkov
2021-01-07 20:16   ` [EXTERNAL] " Sunil Muthuswamy
2021-01-07 20:21     ` Borislav Petkov
2021-01-07 20:26       ` Sunil Muthuswamy
2021-01-07 15:02 ` Bjorn Helgaas [this message]
2021-01-07 20:20   ` Sunil Muthuswamy

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