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SubjectRe: [PATCH 5.4 21/54] s390/pci: fix CPU address in MSI for directed IRQ
On Thu, Dec 10, 2020 at 05:34:08PM +0100, Niklas Schnelle wrote:
> Hi Greg,
>
> sorry to bother you but I missed that the smp_cpu_get_cpu_address()
> address used here was only added with the
> commit 42d211a1ae3b77 ("s390/cpuinfo: show processor physical address")
> which landed in v5.7-rc1. This would therefore break if ever called
> (luckily it would not be called on any shipped hardware) and
> also causes a missing declaration warning as reported by
> Naresh Kamboju thanks!
> Since this is as of now just a spec fix, as on all known hardware
> the Linux CPU Id always matches the CPU Address, I would
> recommend to simply revert the commit.

Ok, will go drop it now, thanks.

greg k-h

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