From: Bjorn Helgaas <helgaas@kernel.org>
To: Shradha Gupta <shradhagupta@linux.microsoft.com>
Cc: linux-hyperv@vger.kernel.org, linux-pci@vger.kernel.org,
linux-kernel@vger.kernel.org, "Nipun Gupta" <nipun.gupta@amd.com>,
"Yury Norov" <yury.norov@gmail.com>,
"Jason Gunthorpe" <jgg@ziepe.ca>,
"Jonathan Cameron" <Jonathan.Cameron@huwei.com>,
"Anna-Maria Behnsen" <anna-maria@linutronix.de>,
"Shivamurthy Shastri" <shivamurthy.shastri@linutronix.de>,
"Kevin Tian" <kevin.tian@intel.com>,
"Long Li" <longli@microsoft.com>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Rob Herring" <robh@kernel.org>,
"Manivannan Sadhasivam" <manivannan.sadhasivam@linaro.org>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Dexuan Cui" <decui@microsoft.com>,
"Wei Liu" <wei.liu@kernel.org>,
"Haiyang Zhang" <haiyangz@microsoft.com>,
"K. Y. Srinivasan" <kys@microsoft.com>,
"Andrew Lunn" <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Jakub Kicinski" <kuba@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Konstantin Taranov" <kotaranov@microsoft.com>,
"Simon Horman" <horms@kernel.org>,
"Leon Romanovsky" <leon@kernel.org>,
"Maxim Levitsky" <mlevitsk@redhat.com>,
"Erni Sri Satya Vennela" <ernis@linux.microsoft.com>,
"Peter Zijlstra" <peterz@infradead.org>,
netdev@vger.kernel.org, linux-rdma@vger.kernel.org,
"Paul Rosswurm" <paulros@microsoft.com>,
"Shradha Gupta" <shradhagupta@microsoft.com>
Subject: Re: [PATCH 2/2] net: mana: Allow MANA driver to allocate PCI vector dynamically
Date: Wed, 16 Apr 2025 13:32:49 -0500 [thread overview]
Message-ID: <20250416183249.GA75632@bhelgaas> (raw)
In-Reply-To: <1744817781-3243-1-git-send-email-shradhagupta@linux.microsoft.com>
On Wed, Apr 16, 2025 at 08:36:21AM -0700, Shradha Gupta wrote:
> Currently, the MANA driver allocates pci vector statically based on
> MANA_MAX_NUM_QUEUES and num_online_cpus() values and in some cases ends
> up allocating more vectors than it needs.
> This is because, by this time we do not have a HW channel and do not know
> how many IRQs should be allocated.
> To avoid this, we allocate 1 IRQ vector during the creation of HWC and
> after getting the value supported by hardware, dynamically add the
> remaining vectors.
Add blank lines between paragraphs.
s/pci vector/MSI-X vectors/
Maybe also update subject to mention "MSI-X vectors" instead of "PCI
vector", since "PCI vector" is not really a common term.
next prev parent reply other threads:[~2025-04-16 18:32 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-16 15:35 [PATCH 0/2] Allow dyn pci vector allocation of MANA Shradha Gupta
2025-04-16 15:36 ` [PATCH 1/2] PCI: hv: enable pci_hyperv to allow dynamic vector allocation Shradha Gupta
2025-04-16 18:30 ` Bjorn Helgaas
2025-04-17 7:29 ` Shradha Gupta
2025-04-17 10:00 ` Thomas Gleixner
2025-04-21 6:33 ` Shradha Gupta
2025-04-16 15:36 ` [PATCH 2/2] net: mana: Allow MANA driver to allocate PCI vector dynamically Shradha Gupta
2025-04-16 17:22 ` Yury Norov
2025-04-17 7:32 ` Shradha Gupta
2025-04-22 12:09 ` Shradha Gupta
2025-04-16 18:32 ` Bjorn Helgaas [this message]
2025-04-17 7:33 ` Shradha Gupta
2025-04-24 16:57 ` Simon Horman
2025-04-25 7:29 ` Shradha Gupta
2025-05-07 16:28 ` kernel test robot
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