Andrey Ryabinin 12a8cc7fcf x86/kasan: Use the same shadow offset for 4- and 5-level paging ... We are going to support boot-time switching between 4- and 5-level paging. For KASAN it means we cannot have different KASAN_SHADOW_OFFSET for different paging modes: the constant is passed to gcc to generate code and cannot be changed at runtime. This patch changes KASAN code to use 0xdffffc0000000000 as shadow offset for both 4- and 5-level paging. For 5-level paging it means that shadow memory region is not aligned to PGD boundary anymore and we have to handle unaligned parts of the region properly. In addition, we have to exclude paravirt code from KASAN instrumentation as we now use set_pgd() before KASAN is fully ready. [kirill.shutemov@linux.intel.com: clenaup, changelog message] Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@suse.de> Cc: Cyrill Gorcunov <gorcunov@openvz.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/20170929140821.37654-4-kirill.shutemov@linux.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>		2017-10-20 13:07:09 +02:00
..
5level-paging.txt	x86: Enable 5-level paging support via CONFIG_X86_5LEVEL=y	2017-07-21 10:05:19 +02:00
00-INDEX
boot-options.txt	x86/mce: Update bootlog description to reflect behavior on AMD	2017-06-14 07:32:10 +02:00
cpu-hotplug-spec
fake-numa-for-cpusets
machinecheck
mm.txt	x86/kasan: Use the same shadow offset for 4- and 5-level paging	2017-10-20 13:07:09 +02:00
uefi.txt