Re: [v11 2/2] misc: pci_endpoint_test: Fix overflow of bar_size

From: Niklas Cassel
Date: Thu Jan 16 2025 - 04:38:12 EST


On Thu, Jan 16, 2025 at 10:36:18AM +0100, Niklas Cassel wrote:
> Hello Krzysztof,
>
> On Thu, Jan 16, 2025 at 11:03:00AM +0900, Krzysztof Wilczyński wrote:
> > Hello,
> >
> > > I intended to stay silent, but considering that Mani gave additional
> > > feedback:
> >
> > I am glad you didn't as feedback is always appreciated. :)
> >
> > > - The Suggested-by tag should be in patch 1/2, not 2/2 :)
> > > (Patch 2/2 was 100% you.)
> >
> > I moved the Suggested-by tag around the correct patch.
> >
> > Thank you!
> >
> > Krzysztof
>
> Since you have already applied this series, with my comment fixed up,
> could your perhaps add the following (or similar) to the commit message
> in patch 2/2:
>
>
> "
> By changing the type to resource_size_t, which is a typedef to phys_addr_t,
> which can be 64-bit in certain configurations (e.g. X86_PAE selects
> PHYS_ADDR_T_64BIT), even when the compiler is 32-bit. Thus, we also need to
> change the division to do_div(), to properly perform a 64-bit division when
> the compiler is 32-bit.
> "

s/do_div()/div_u64()/


Kind regards,
Niklas