diff options
| author | Julien Thierry <[email protected]> | 2018-09-06 12:09:56 +0100 |
|---|---|---|
| committer | Catalin Marinas <[email protected]> | 2018-09-10 16:27:56 +0100 |
| commit | a1f33941f7e103bcf471eaf8461b212223c642d6 (patch) | |
| tree | fb9a2e0d7f385293d8513bc81e893e7694823ac1 /tools/perf/scripts/python | |
| parent | 4733c7c79e8c466fedb4fd4eb29bfc5b1bdb336f (diff) | |
arm64: uaccess: implement unsafe accessors
Current implementation of get/put_user_unsafe default to get/put_user
which toggle PAN before each access, despite having been told by the caller
that multiple accesses to user memory were about to happen.
Provide implementations for user_access_begin/end to turn PAN off/on and
implement unsafe accessors that assume PAN was already turned off.
Tested-by: Will Deacon <[email protected]>
Signed-off-by: Julien Thierry <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions