From: Michael Kelley <mikelley@microsoft.com>
To: vkuznets <vkuznets@redhat.com>,
"linux-hyperv@vger.kernel.org" <linux-hyperv@vger.kernel.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Wei Liu <wei.liu@kernel.org>,
Tianyu Lan <Tianyu.Lan@microsoft.com>,
KY Srinivasan <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Stephen Hemminger <sthemmin@microsoft.com>,
"Andrea Parri (Microsoft)" <parri.andrea@gmail.com>
Subject: RE: [PATCH 2/5] Drivers: hv: allocate the exact needed memory for messages
Date: Fri, 3 Apr 2020 01:54:33 +0000 [thread overview]
Message-ID: <MW2PR2101MB1052E10419C37D704303D91ED7C70@MW2PR2101MB1052.namprd21.prod.outlook.com> (raw)
In-Reply-To: <20200401103638.1406431-3-vkuznets@redhat.com>
From: Vitaly Kuznetsov <vkuznets@redhat.com> Sent: Wednesday, April 1, 2020 3:37 AM
>
> When we need to pass a buffer with Hyper-V message we don't need to always
> allocate 256 bytes for the message: the real message length is known from
> the header. Change 'struct onmessage_work_context' to make it possible to
> not over-allocate.
>
> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
> ---
> drivers/hv/vmbus_drv.c | 15 ++++++++++-----
> 1 file changed, 10 insertions(+), 5 deletions(-)
>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
next prev parent reply other threads:[~2020-04-03 1:54 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-01 10:36 [PATCH 0/5] Drivers: hv: cleanup VMBus messages handling Vitaly Kuznetsov
2020-04-01 10:36 ` [PATCH 1/5] Drivers: hv: copy from message page only what's needed Vitaly Kuznetsov
2020-04-02 14:46 ` [EXTERNAL] " 163
2020-04-02 16:26 ` Vitaly Kuznetsov
2020-04-03 1:52 ` Michael Kelley
2020-04-03 7:03 ` Vitaly Kuznetsov
2020-04-01 10:36 ` [PATCH 2/5] Drivers: hv: allocate the exact needed memory for messages Vitaly Kuznetsov
2020-04-03 1:54 ` Michael Kelley [this message]
2020-04-01 10:36 ` [PATCH 3/5] Drivers: hv: avoid passing opaque pointer to vmbus_onmessage() Vitaly Kuznetsov
2020-04-03 1:55 ` Michael Kelley
2020-04-01 10:38 ` [PATCH 4/5] Drivers: hv: make sure that 'struct vmbus_channel_message_header' compiles correctly Vitaly Kuznetsov
2020-04-01 10:38 ` [PATCH 5/5] Drivers: hv: check VMBus messages lengths Vitaly Kuznetsov
2020-04-03 2:00 ` Michael Kelley
2020-04-03 7:07 ` Vitaly Kuznetsov
2020-04-03 1:56 ` [PATCH 4/5] Drivers: hv: make sure that 'struct vmbus_channel_message_header' compiles correctly Michael Kelley
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