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| author | Andy Lutomirski <luto@kernel.org> | 2016-03-17 00:14:22 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-03-17 11:49:27 +0300 |
| commit | c29016cf41fe9fa994a5ecca607cf5f1cd98801e (patch) | |
| tree | fd6fd91de61bc2e7b407cf13cf2ff07aba334e4a /arch/x86/include | |
| parent | b7a584598aea7ca73140cb87b40319944dd3393f (diff) | |
| download | linux-c29016cf41fe9fa994a5ecca607cf5f1cd98801e.tar.xz | |
x86/iopl: Fix iopl capability check on Xen PV
iopl(3) is supposed to work if iopl is already 3, even if
unprivileged. This didn't work right on Xen PV. Fix it.
Reviewewd-by: Jan Beulich <JBeulich@suse.com>
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: David Vrabel <david.vrabel@citrix.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Jan Beulich <JBeulich@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/8ce12013e6e4c0a44a97e316be4a6faff31bd5ea.1458162709.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include')
0 files changed, 0 insertions, 0 deletions