diff options
| author | Will Deacon <will.deacon@arm.com> | 2015-08-20 11:47:13 +0100 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2015-08-20 16:17:58 +0100 |
| commit | d8d23fa0f27f3b2942a7bbc7378c7735324ed519 (patch) | |
| tree | 2b7dd9735a738778ceb99d5c357a293daf64f4df /arch/arm64/kernel/entry.S | |
| parent | bf0c4e04732479f650ff59d1ee82de761c0071f0 (diff) | |
arm64: mdscr_el1: avoid exposing DCC to userspace
We don't want to expose the DCC to userspace, particularly as there is
a kernel console driver for it.
This patch resets mdscr_el1 to disable userspace access to the DCC
registers on the cold boot path.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm64/kernel/entry.S')
0 files changed, 0 insertions, 0 deletions