linux-kernel - Re: [PATCH v3 01/30] kho: init new_physxa->phys

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Message-ID: <20250814131153.GA802098@nvidia.com>
Date: Thu, 14 Aug 2025 10:11:53 -0300
From: Jason Gunthorpe <jgg@...dia.com>
To: Pasha Tatashin <pasha.tatashin@...een.com>
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Subject: Re: [PATCH v3 01/30] kho: init new_physxa->phys_bits to fix lockdep

On Thu, Aug 07, 2025 at 01:44:07AM +0000, Pasha Tatashin wrote:
> -	physxa = xa_load_or_alloc(&track->orders, order, sizeof(*physxa));
> -	if (IS_ERR(physxa))
> -		return PTR_ERR(physxa);

It is probably better to introduce a function pointer argument to this
xa_load_or_alloc() to do the alloc and init operation than to open
code the thing.

Jason