diff options
| author | Andy Lutomirski <luto@kernel.org> | 2015-12-29 20:12:23 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-01-12 11:59:35 +0100 |
| commit | a48a7042613eb1524d18b7b1ed7d3a6b611fd21f (patch) | |
| tree | 3a4f15af8e038474301769349605c735ba757f90 /arch/x86/include | |
| parent | 05ef76b20fc4297b0d3f8a956f1c809a8a1b3f1d (diff) | |
x86/vdso: Use ->fault() instead of remap_pfn_range() for the vvar mapping
This is IMO much less ugly, and it also opens the door to
disallowing unprivileged userspace HPET access on systems with
usable TSCs.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/c19c2909e5ee3c3d8742f916586676bb7c40345f.1451446564.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