diff options
| author | Davidlohr Bueso <dave@stgolabs.net> | 2018-01-22 20:21:37 +0300 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2018-03-06 01:43:45 +0300 |
| commit | 69c907022a7d9325cdc5c9dd064571e445df9a47 (patch) | |
| tree | 459e3c517dfe66d0058a41106092dbfd957d3abe /lib/locking-selftest-softirq.h | |
| parent | 339d541a01f70b247f7e6266c1110aa3cef56b9f (diff) | |
| download | linux-69c907022a7d9325cdc5c9dd064571e445df9a47.tar.xz | |
ia64/err-inject: Use get_user_pages_fast()
At the point of sysfs callback, the call to gup is
done without mmap_sem (or any lock for that matter).
This is racy. As such, use the get_user_pages_fast()
alternative and safely avoid taking the lock, if possible.
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'lib/locking-selftest-softirq.h')
0 files changed, 0 insertions, 0 deletions