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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Subject: Re: [PULL 04/14] vhost-user: fix shared object lookup handler logic
Date: Mon, 10 Nov 2025 15:37:05 +0100	[thread overview]
Message-ID: <8958cfcd-66ff-4fb2-a33d-070ed09629eb@linaro.org> (raw)
In-Reply-To: <CADSE00+FLWVdh1CGmy6i4hLdJOKGG6-4JZySXL=wFOyyTnnFpw@mail.gmail.com>

On 11/10/25 10:23, Albert Esteve wrote:
> On Sun, Nov 9, 2025 at 3:35 PM Michael S. Tsirkin <mst@redhat.com> wrote:
>>
>> From: Albert Esteve <aesteve@redhat.com>
>>
>> Refactor backend_read() function and add a reply_ack variable
>> to have the option for handlers to force tweak whether they should
>> send a reply or not without depending on VHOST_USER_NEED_REPLY_MASK
>> flag.
>>
>> This fixes an issue with
>> vhost_user_backend_handle_shared_object_lookup() logic, as the
>> error path was not closing the backend channel correctly. So,
>> we can remove the reply call from within the handler, make
>> sure it returns early on errors as other handlers do and
>> set the reply_ack variable on backend_read() to true to ensure
>> that it will send a response, thus keeping the original intent.
> 
> Hey Michal,
> 
> This patch was
> Based-on: <20251016143827.1850397-1-aesteve@redhat.com>
> … for main.
> 
> As this was the first time I did this based-on thingy, I am just
> making sure that the other patch was not missed.
> If this PULL is only targeting stable, then it's ok as is.

This PR is targeting master, and "vhost-user: Add SHMEM_MAP/UNMAP requests" is not present.

Albert, thanks for noticing.
Michael, I'll hold off on applying this PR for the moment.


r~


  reply	other threads:[~2025-11-10 14:38 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-09 14:35 [PULL 00/14] virtio,pci,pc: fixes for 10.2 Michael S. Tsirkin
2025-11-09 14:35 ` [PULL 01/14] MAINTAINERS: Update entry for AMD-Vi Emulation Michael S. Tsirkin
2025-11-09 14:35 ` [PULL 02/14] amd_iommu: Fix handling of devices on buses != 0 Michael S. Tsirkin
2025-11-09 14:35 ` [PULL 03/14] amd_iommu: Support 64-bit address for IOTLB lookup Michael S. Tsirkin
2025-11-09 14:35 ` [PULL 04/14] vhost-user: fix shared object lookup handler logic Michael S. Tsirkin
2025-11-10  9:23   ` Albert Esteve
2025-11-10 14:37     ` Richard Henderson [this message]
2025-11-10 15:42     ` Michael S. Tsirkin
2025-11-10 15:57       ` Albert Esteve
2025-11-10 16:06         ` Michael S. Tsirkin
2025-11-10 18:54           ` Albert Esteve
2025-11-09 14:35 ` [PULL 05/14] intel_iommu: Handle PASID cache invalidation Michael S. Tsirkin
2025-11-09 14:35 ` [PULL 06/14] intel_iommu: Reset pasid cache when system level reset Michael S. Tsirkin
2025-11-09 14:35 ` [PULL 07/14] intel_iommu: Fix DMA failure when guest switches IOMMU domain Michael S. Tsirkin
2025-11-09 14:35 ` [PULL 08/14] vhost-user: make vhost_set_vring_file() synchronous Michael S. Tsirkin
2025-11-09 14:35 ` [PULL 09/14] tests/qtest/bios-tables-test: Prepare for _DSM change in the DSDT table Michael S. Tsirkin
2025-11-09 14:35 ` [PULL 10/14] hw/pci-host/gpex-acpi: Fix _DSM function 0 support return value Michael S. Tsirkin
2025-11-09 14:35 ` [PULL 11/14] tests/qtest/bios-tables-test: Update DSDT blobs after GPEX _DSM change Michael S. Tsirkin
2025-11-09 14:35 ` [PULL 12/14] virtio-net: Advertise UDP tunnel GSO support by default Michael S. Tsirkin
2025-11-09 14:35 ` [PULL 13/14] q35: increase default tseg size Michael S. Tsirkin
2025-11-09 14:35 ` [PULL 14/14] vhost-user.rst: clarify when FDs can be sent Michael S. Tsirkin
2025-11-10 16:57 ` [PULL 00/14] virtio,pci,pc: fixes for 10.2 Richard Henderson
2025-11-17 10:27 ` Michael S. Tsirkin
2025-11-17 11:44   ` Peter Maydell

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