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a48a704261
linux/arch/x86/entry
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Andy Lutomirski a48a704261 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>
2016-01-12 11:59:35 +01:00
..
syscalls mm: mlock: add new mlock system call 2015-11-05 19:34:48 -08:00
vdso x86/vdso: Use ->fault() instead of remap_pfn_range() for the vvar mapping 2016-01-12 11:59:35 +01:00
vsyscall x86/entry/vsyscall: Fix undefined symbol warning 2015-09-21 09:56:59 +02:00
calling.h x86/entry/64: Bypass enter_from_user_mode on non-context-tracking boots 2015-11-24 09:56:44 +01:00
common.c x86/entry: Restore traditional SYSENTER calling convention 2015-12-21 16:05:01 +01:00
entry_32.S Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-01-11 15:58:16 -08:00
entry_64_compat.S Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-01-11 15:58:16 -08:00
entry_64.S x86/entry/64: Bypass enter_from_user_mode on non-context-tracking boots 2015-11-24 09:56:44 +01:00
Makefile x86/entry: Move C entry and exit code to arch/x86/entry/common.c 2015-07-07 10:59:05 +02:00
syscall_32.c x86/syscalls: Give sys_call_ptr_t a useful type 2015-10-09 09:41:08 +02:00
syscall_64.c x86/syscalls: Give sys_call_ptr_t a useful type 2015-10-09 09:41:08 +02:00
thunk_32.S
thunk_64.S