From: Anirudh Rayabharam <anirudh@anirudhrb.com>
To: Mukesh R <mrathor@linux.microsoft.com>
Cc: hpa@zytor.com, robin.murphy@arm.com, robh@kernel.org,
wei.liu@kernel.org, mhklinux@outlook.com, muislam@microsoft.com,
namjain@linux.microsoft.com, magnuskulke@linux.microsoft.com,
anbelski@linux.microsoft.com, linux-kernel@vger.kernel.org,
linux-hyperv@vger.kernel.org, iommu@lists.linux.dev,
linux-pci@vger.kernel.org, linux-arch@vger.kernel.org,
kys@microsoft.com, haiyangz@microsoft.com, decui@microsoft.com,
longli@microsoft.com, tglx@kernel.org, mingo@redhat.com,
bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org,
joro@8bytes.org, will@kernel.org, lpieralisi@kernel.org,
kwilczynski@kernel.org, bhelgaas@google.com, arnd@arndb.de
Subject: Re: [PATCH V1 04/13] mshv: Provide a way to get partition id if running in a VMM process
Date: Wed, 29 Apr 2026 10:35:54 +0000 [thread overview]
Message-ID: <20260429-pristine-unyielding-magpie-1ce6ee@anirudhrb> (raw)
In-Reply-To: <20260422023239.1171963-5-mrathor@linux.microsoft.com>
On Tue, Apr 21, 2026 at 07:32:30PM -0700, Mukesh R wrote:
> Many PCI passthru related hypercalls require partition id of the target
> guest. Guests are actually managed by MSHV driver and the partition id
> is only maintained there. Add a field in the partition struct in MSHV
> driver to save the tgid of the VMM process creating the partition,
> and add a function there to retrieve partition id if current process
> is a VMM process.
>
> Signed-off-by: Mukesh R <mrathor@linux.microsoft.com>
> ---
> drivers/hv/mshv_root.h | 1 +
> drivers/hv/mshv_root_main.c | 22 ++++++++++++++++++++++
> include/asm-generic/mshyperv.h | 5 +++++
> 3 files changed, 28 insertions(+)
Reviewed-by: Anirudh Rayabharam (Microsoft) <anirudh@anirudhrb.com>
next prev parent reply other threads:[~2026-04-29 10:36 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-22 2:32 [PATCH V1 00/13] PCI passthru on Hyper-V (Part I) Mukesh R
2026-04-22 2:32 ` [PATCH V1 01/13] iommu/hyperv: rename hyperv-iommu.c to hyperv-irq.c Mukesh R
2026-04-24 14:58 ` Anirudh Rayabharam
2026-04-22 2:32 ` [PATCH V1 02/13] x86/hyperv: cosmetic changes in irqdomain.c for readability Mukesh R
2026-04-22 2:32 ` [PATCH V1 03/13] x86/hyperv: add insufficient memory support in irqdomain.c Mukesh R
2026-04-24 14:55 ` Anirudh Rayabharam
2026-04-22 2:32 ` [PATCH V1 04/13] mshv: Provide a way to get partition id if running in a VMM process Mukesh R
2026-04-29 10:35 ` Anirudh Rayabharam [this message]
2026-04-22 2:32 ` [PATCH V1 05/13] mshv: Declarations and definitions for VFIO-MSHV bridge device Mukesh R
2026-04-22 2:32 ` [PATCH V1 06/13] mshv: Implement mshv bridge device for VFIO Mukesh R
2026-04-22 2:32 ` [PATCH V1 07/13] mshv: Add ioctl support for MSHV-VFIO bridge device Mukesh R
2026-04-22 2:32 ` [PATCH V1 08/13] PCI: hv: rename hv_compose_msi_msg to hv_vmbus_compose_msi_msg Mukesh R
2026-04-27 16:31 ` Bjorn Helgaas
2026-04-28 2:22 ` Mukesh R
2026-04-28 17:14 ` Bjorn Helgaas
2026-04-28 17:37 ` Mukesh R
2026-04-22 2:32 ` [PATCH V1 09/13] mshv: Import data structs around device passthru from hyperv headers Mukesh R
2026-04-22 2:32 ` [PATCH V1 10/13] PCI: hv: Build device id for a VMBus device, export PCI devid function Mukesh R
2026-04-27 16:35 ` Bjorn Helgaas
2026-04-22 2:32 ` [PATCH V1 11/13] x86/hyperv: Implement hyperv virtual iommu Mukesh R
2026-04-22 2:32 ` [PATCH V1 12/13] mshv: Populate mmio mappings for PCI passthru Mukesh R
2026-04-22 2:32 ` [PATCH V1 13/13] mshv: pin all ram mem regions if partition has device passthru Mukesh R
2026-04-28 2:23 ` Mukesh R
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