ia64/err-inject: Use get_user_pages_fast()

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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>

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Davidlohr Bueso 2018-01-22 09:21:37 -08:00 • committed by Tony Luck

parent 339d541a01

commit 69c907022a

1 changed files with 1 additions and 1 deletions

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arch/ia64/kernel/err_inject.c

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