Messages in this thread | | | Date | Sun, 04 Oct 2020 16:20:40 -0700 (PDT) | Subject | Re: [PATCH] RISC-V: Make sure memblock reserves the memory containing DT | From | Palmer Dabbelt <> |
| |
On Thu, 01 Oct 2020 12:04:56 PDT (-0700), Atish Patra wrote: > Currently, the memory containing DT is not reserved. Thus, that region > of memory can be reallocated or reused for other purposes. This may result > in corrupted DT for nommu virt board in Qemu. We may not face any issue > in kendryte as DT is embedded in the kernel image for that. > > Fixes: 6bd33e1ece52 ("riscv: add nommu support") > Signed-off-by: Atish Patra <atish.patra@wdc.com> > > --- > @Palmer This patch is applicable for v5.9 & before. This fix is already > part of the "RISC-V: Move DT mapping outof fixmap" patch from UEFI support > series. That's why, this patch doesn't need to go into for-next. > --- > arch/riscv/mm/init.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c > index 564e0be677b7..cabf1697e748 100644 > --- a/arch/riscv/mm/init.c > +++ b/arch/riscv/mm/init.c > @@ -510,6 +510,7 @@ asmlinkage void __init setup_vm(uintptr_t dtb_pa) > #else > dtb_early_va = (void *)dtb_pa; > #endif > + dtb_early_pa = dtb_pa; > } > > static inline void setup_vm_final(void)
Thanks, this is on fixes.
| |