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authorJens Freimann <[email protected]>2012-06-26 00:59:58 +0000
committerDavid S. Miller <[email protected]>2012-06-26 21:10:56 -0700
commitd7ffde35e31a81100d2d0d2c4013cbf527bb32ea (patch)
tree0939e0cabb626b4258e53a08f7a7713d534dfab5 /lib/mpi/mpi-mul.c
parent57efd44c8cad440fb00ef8078cb018ab2f221373 (diff)
vhost: use USER_DS in vhost_worker thread
On some architectures address spaces are set up in a way that this is not necessary to work properly but on some others (like s390) it is. Make sure we operate on the user address space to allow copy_xxx_user() from the vhost_worker() thread by setting it explicitly before calling use_mm() and revert it after unuse_mm(). Signed-off-by: Jens Freimann <[email protected]> Signed-off-by: Christian Borntraeger <[email protected]> Acked-by: Michael S. Tsirkin <[email protected]> Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'lib/mpi/mpi-mul.c')
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