]> git.baikalelectronics.ru Git - kernel.git/commit
x86/mm/ptdump: Remove paravirt_enabled()
authorBorislav Petkov <bp@suse.de>
Thu, 18 Feb 2016 20:00:41 +0000 (21:00 +0100)
committerIngo Molnar <mingo@kernel.org>
Sat, 20 Feb 2016 11:25:45 +0000 (12:25 +0100)
commitbf57b36fee93d9026db9c217ded1baa0dea20765
tree8eda626b3badfaf2222caaeb8576f001a726006a
parent7c1a364db837a37d5a7cbd93e59a5cb1dee68646
x86/mm/ptdump: Remove paravirt_enabled()

is_hypervisor_range() can simply check if the PGD index is
within ffff800000000000 - ffff87ffffffffff which is the range
reserved for a hypervisor. That range is practically an ABI, see
Documentation/x86/x86_64/mm.txt.

Tested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> # Under Xen, as PV guest
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Luis R. Rodriguez <mcgrof@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1455825641-19585-1-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/mm/dump_pagetables.c