Re: RFC: backport of commit a32c1c61212d

2020-10-05 Thread Greg Kroah-Hartman
On Tue, Sep 01, 2020 at 10:09:37AM -0700, Doug Berger wrote: > On 9/1/2020 9:36 AM, Florian Fainelli wrote: > > > > > > On 9/1/2020 9:06 AM, Doug Berger wrote: > >> On 9/1/2020 7:00 AM, Greg Kroah-Hartman wrote: > > > > [snip] > > > >> [snip] > >> > >> My best guess at this point is to submit

Re: RFC: backport of commit a32c1c61212d

2020-09-01 Thread Doug Berger
On 9/1/2020 9:36 AM, Florian Fainelli wrote: > > > On 9/1/2020 9:06 AM, Doug Berger wrote: >> On 9/1/2020 7:00 AM, Greg Kroah-Hartman wrote: > > [snip] > >> [snip] >> >> My best guess at this point is to submit patches to the affected stable >> branches like the one in my RFC and reference

Re: RFC: backport of commit a32c1c61212d

2020-09-01 Thread Florian Fainelli
On 9/1/2020 9:06 AM, Doug Berger wrote: On 9/1/2020 7:00 AM, Greg Kroah-Hartman wrote: [snip] Sorry for the confusion, but thanks for the reply. There is functionality that exists in Linus' tree, but it is not the result of a single commit that can be easily backported. I have been

Re: RFC: backport of commit a32c1c61212d

2020-09-01 Thread Doug Berger
On 9/1/2020 7:00 AM, Greg Kroah-Hartman wrote: > On Tue, Aug 25, 2020 at 03:58:27PM -0700, Doug Berger wrote: >> I recently tracked down a problem I observed when booting a v5.4 kernel >> on a sparsemem UMA arm platform which includes a no-map reserved-memory >> region in the middle of its HighMem

Re: RFC: backport of commit a32c1c61212d

2020-09-01 Thread Greg Kroah-Hartman
On Tue, Aug 25, 2020 at 03:58:27PM -0700, Doug Berger wrote: > I recently tracked down a problem I observed when booting a v5.4 kernel > on a sparsemem UMA arm platform which includes a no-map reserved-memory > region in the middle of its HighMem zone. > > When memmap_init_zone() is invoked the

RFC: backport of commit a32c1c61212d

2020-08-25 Thread Doug Berger
I recently tracked down a problem I observed when booting a v5.4 kernel on a sparsemem UMA arm platform which includes a no-map reserved-memory region in the middle of its HighMem zone. When memmap_init_zone() is invoked the pfn's that correspond to the no-map region fail the early_pfn_valid()