On Thu, Dec 03, 2020 at 01:36:48PM +0100, Alexander A Sverdlin wrote: > From: Alexander Sverdlin <[email protected]> > > Linux doesn't own the memory immediately after the kernel image. On Octeon > bootloader places a shared structure right close after the kernel _end, > refer to "struct cvmx_bootinfo *octeon_bootinfo" in cavium-octeon/setup.c. > > If check_kernel_sections_mem() rounds the PFNs up, first memblock_alloc() > inside early_init_dt_alloc_memory_arch() <= device_tree_init() returns > memory block overlapping with the above octeon_bootinfo structure, which > is being overwritten afterwards. > > Fixes: a94e4f24ec83 ("MIPS: init: Drop boot_mem_map") > Signed-off-by: Alexander Sverdlin <[email protected]> > --- > arch/mips/kernel/setup.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-)
applied to mips-next. Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]
