Re: [PATCH 2/2] of/fdt: Make sure no-map does not remove already reserved regions

2021-01-15 Thread Nicolas Boichat
On Sat, Jan 16, 2021 at 1:30 AM Rob Herring wrote: > > On Fri, 15 Jan 2021 11:45:44 +, Quentin Perret wrote: > > From: Nicolas Boichat > > > > If the device tree is incorrectly configured, and attempts to > > define a "no-map" reserved memory that overlaps with the kernel > > data/code, the k

Re: [PATCH 2/2] of/fdt: Make sure no-map does not remove already reserved regions

2021-01-15 Thread Rob Herring
On Fri, 15 Jan 2021 11:45:44 +, Quentin Perret wrote: > From: Nicolas Boichat > > If the device tree is incorrectly configured, and attempts to > define a "no-map" reserved memory that overlaps with the kernel > data/code, the kernel would crash quickly after boot, with no > obvious clue abou

[PATCH 2/2] of/fdt: Make sure no-map does not remove already reserved regions

2021-01-15 Thread Quentin Perret
From: Nicolas Boichat If the device tree is incorrectly configured, and attempts to define a "no-map" reserved memory that overlaps with the kernel data/code, the kernel would crash quickly after boot, with no obvious clue about the nature of the issue. For example, this would happen if we have