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Drivers: hv: ring_buffer: use wrap around mappings in hv_copy{from, to}_ringbuffer()
authorVitaly Kuznetsov <vkuznets@redhat.com>
Fri, 2 Sep 2016 12:58:21 +0000 (05:58 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 2 Sep 2016 15:22:51 +0000 (17:22 +0200)
commitf24f0b495b17df33c03f3b758b1461385e9f0e50
tree6c255cd283067f590b4686c35d0eead6673a3235tree | snapshot
parent9988ce685676cebe0b14dc128f00e1ae9cd1a4facommit | diff
Drivers: hv: ring_buffer: use wrap around mappings in hv_copy{from, to}_ringbuffer()

With wrap around mappings for ring buffers we can always use a single
memcpy() to do the job.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Tested-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/hv/ring_buffer.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git