Re: [PATCH][BUG] fix bug in ACPI based CPU hotplug

[Andrew Morton]

Kenji Kaneshige <kaneshige.kenji@xxxxxxxxxxxxxxxx> wrote:
>
> This patch fixes a serious bug in ACPI based CPU hotplug code. Because
>  of this bug, ACPI based CPU hotplug will always fail if NR_CPUS is
>  equal to or more than 255.

Looks rather similar to
ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.16-rc5/2.6.16-rc5-mm3/broken-out/acpi-signedness-fix-2.patch
;)

I think they're functionally equivalent - the only difference is the ==-1
versus <0 comparisons.

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