On Wed, Sep 27, 2017 at 10:13:25AM -0500, Brijesh Singh wrote: > From: Tom Lendacky <thomas.lenda...@amd.com> > > Secure Encrypted Virtualization (SEV) does not support string I/O, so > unroll the string I/O operation into a loop operating on one element at > a time. > > Cc: Thomas Gleixner <t...@linutronix.de> > Cc: Ingo Molnar <mi...@redhat.com> > Cc: "H. Peter Anvin" <h...@zytor.com> > Cc: Borislav Petkov <b...@suse.de> > Cc: Andy Shevchenko <andriy.shevche...@linux.intel.com> > Cc: David Laight <david.lai...@aculab.com> > Cc: Arnd Bergmann <a...@arndb.de> > Cc: x...@kernel.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Tom Lendacky <thomas.lenda...@amd.com> > Signed-off-by: Brijesh Singh <brijesh.si...@amd.com> > --- > arch/x86/include/asm/io.h | 42 ++++++++++++++++++++++++++++++++++++++---- > arch/x86/mm/mem_encrypt.c | 8 ++++++++ > 2 files changed, 46 insertions(+), 4 deletions(-)
Reviewed-by: Borislav Petkov <b...@suse.de> -- Regards/Gruss, Boris. SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg) --