korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-29 23:24:11 +08:00
Code Issues Packages Projects Releases Wiki Activity

riscv: keep 32-bit kernel to 32-bit phys_addr_t

Browse Source 
While rv32 technically has 34-bit physical addresses, no current platforms
use it and it's likely to shake out driver bugs.

Let's keep 64-bit phys_addr_t off on 32-bit builds until one shows up,
since other work will be needed to make such a system useful anyway.

PHYS_ADDR_T_64BIT is def_bool 64BIT, so just remove the select.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
This commit is contained in:
Olof Johansson 2020-01-06 15:20:24 -08:00 committed by Palmer Dabbelt
parent ea01ce6732
commit fc76324fa2
No known key found for this signature in database
GPG Key ID: 2E1319F35FBB1889
1 changed files with 0 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/riscv/Kconfig
View File

@ -12,8 +12,6 @@ config 32BIT
config RISCV
def_bool y
# even on 32-bit, physical (and DMA) addresses are > 32-bits
select PHYS_ADDR_T_64BIT
select OF
select OF_EARLY_FLATTREE
select OF_IRQ