On Mon, Feb 15, 2021 at 12:26 AM Anshuman Khandual
wrote:
>
> Hello Pavel,
>
> On 2/13/21 6:53 AM, Pavel Tatashin wrote:
> > Memory hotplug may fail on systems with CONFIG_RANDOMIZE_BASE because the
> > linear map range is not checked correctly.
> >
> > The start physical address that linear map
Hello Pavel,
On 2/13/21 6:53 AM, Pavel Tatashin wrote:
> Memory hotplug may fail on systems with CONFIG_RANDOMIZE_BASE because the
> linear map range is not checked correctly.
>
> The start physical address that linear map covers can be actually at the
> end of the range because of
> We're ignoring the portion from the linear mapping's start PA to the
> point of wraparound. Could the start and end of the hot plugged memory
> fall within this range and, as a result, the hot plug operation be
> incorrectly blocked?
Hi Tyler,
Thank you for looking at this fix. The maximum
On 2021-02-12 20:23:16, Pavel Tatashin wrote:
> Memory hotplug may fail on systems with CONFIG_RANDOMIZE_BASE because the
> linear map range is not checked correctly.
>
> The start physical address that linear map covers can be actually at the
> end of the range because of randmomization. Check
Memory hotplug may fail on systems with CONFIG_RANDOMIZE_BASE because the
linear map range is not checked correctly.
The start physical address that linear map covers can be actually at the
end of the range because of randmomization. Check that and if so reduce it
to 0.
This can be verified on
5 matches
Mail list logo
