From: Easwar Hariharan <easwar.hariharan@linux.microsoft.com>
To: Mukesh R <mrathor@linux.microsoft.com>
Cc: linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org,
iommu@lists.linux.dev, linux-arch@vger.kernel.org,
easwar.hariharan@linux.microsoft.com, jgg@nvidia.com,
jacob.pan@linux.microsoft.com, haiyangz@microsoft.com,
wei.liu@kernel.org, decui@microsoft.com, tglx@kernel.org,
mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com,
x86@kernel.org, hpa@zytor.com, joro@8bytes.org, will@kernel.org,
robin.murphy@arm.com, arnd@arndb.de
Subject: Re: [PATCH V4 1/5] mshv: Add gfp flags to deposit memory logic
Date: Wed, 4 Nov 2026 20:51:13 -0800 [thread overview]
Message-ID: <3a436266-89e5-4471-83df-4f25e09f11fe@linux.microsoft.com> (raw)
In-Reply-To: <20261105020106.3496339-2-mrathor@linux.microsoft.com>
On 11/4/2026 18:01, Mukesh R wrote:
> Currently GFP_KERNEL is hard coded in hv_alloc_dep_pages(). Add gfp_flags
> parameter so it can be called in atomic context from map_pages callback in
> struct iommu_domain_ops and other places in future. A new function
> hv_deposit_memory_gfp() is added to facilitate this, so hv_deposit_memory()
> can continue to function as is.
>
> Signed-off-by: Mukesh R <mrathor@linux.microsoft.com>
> ---
> drivers/hv/hv_proc.c | 20 +++++++++++---------
> include/asm-generic/mshyperv.h | 14 +++++++++++---
> 2 files changed, 22 insertions(+), 12 deletions(-)
> <snip>
Reviewed-by: Easwar Hariharan <easwar.hariharan@linux.microsoft.com>
next prev parent reply other threads:[~2026-11-05 4:51 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-05 2:01 [PATCH V4 0/5] Hyper-V: root VM iommu kernel only driver Mukesh R
2026-11-05 2:01 ` [PATCH V4 1/5] mshv: Add gfp flags to deposit memory logic Mukesh R
2026-11-05 4:51 ` Easwar Hariharan [this message]
2026-11-05 2:01 ` [PATCH V4 2/5] PCI: hv: Export hv_build_devid_type_pci() and change return type Mukesh R
2026-11-05 2:01 ` [PATCH V4 3/5] mshv: Import data structs around device domains from hyperv headers Mukesh R
2026-11-05 2:01 ` [PATCH V4 4/5] iommu/hyperv: Only call pviommu init on non-root VMs Mukesh R
2026-11-05 2:16 ` sashiko-bot
2026-11-05 4:34 ` Easwar Hariharan
2026-11-05 2:01 ` [PATCH V4 5/5] x86/hyperv: Implement root partition IOMMU kernel only driver Mukesh R
2026-11-05 2:38 ` sashiko-bot
2026-11-05 2:42 ` Mukesh R
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