[PATCH 0/2] liveupdate: Small FLB fixes

Pratyush Yadav pratyush at kernel.org
Fri Jun 5 06:09:27 PDT 2026


On Thu, Jun 04 2026, Mike Rapoport wrote:

> On Thu, May 28, 2026 at 05:41:38PM +0000, David Matlack wrote:
>> This series has 2 small fixes to how FLBs are managed. First is to
>> increase the outgoing FLB refcount during liveupdate_flb_get_outgoing()
>> so it cannot be freed while the caller is using it, and to align with
>> the semantics of liveupdate_flb_get_incoming(). The second is to prevent
>> FLB retrieve() from being called multiple times if the first attempt
>> fails.
>> 
>> Both of these changes are needed for the correctness of the PCI core
>> support for Live Update:
>> 
>>   https://lore.kernel.org/linux-pci/20260522202410.3104264-1-dmatlack@google.com/
>
> We are late in the release cycle and since there no in-tree flb users let's
> postpone this after rc1.

Yes, I agree.

[...]

-- 
Regards,
Pratyush Yadav



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