diff options
author | Tom Lendacky <thomas.lendacky@amd.com> | 2017-10-20 09:30:55 -0500 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2017-11-07 15:35:59 +0100 |
commit | 606b21d4a6498c23632a4693c81b7b24feedd038 (patch) | |
tree | 6d5275209c0febbce0963bd871e5103aba01f921 /net | |
parent | 1958b5fc401067662ec11a6fcbe0daa26c813603 (diff) |
x86/io: Unroll string I/O when SEV is active
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.
[ tglx: Gave the static key a real name instead of the obscure __sev ]
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Borislav Petkov <bp@suse.de>
Tested-by: Borislav Petkov <bp@suse.de>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: kvm@vger.kernel.org
Cc: David Laight <David.Laight@ACULAB.COM>
Cc: Borislav Petkov <bp@alien8.de>
Link: https://lkml.kernel.org/r/20171020143059.3291-14-brijesh.singh@amd.com
Diffstat (limited to 'net')
0 files changed, 0 insertions, 0 deletions