Andy Lutomirski 83c133cf11 x86/nmi/64: Fix a paravirt stack-clobbering bug in the NMI code ... The NMI entry code that switches to the normal kernel stack needs to be very careful not to clobber any extra stack slots on the NMI stack. The code is fine under the assumption that SWAPGS is just a normal instruction, but that assumption isn't really true. Use SWAPGS_UNSAFE_STACK instead. This is part of a fix for some random crashes that Sasha saw. Fixes: 9b6e6a8334 ("x86/nmi/64: Switch stacks on userspace NMI entry") Reported-and-tested-by: Sasha Levin <sasha.levin@oracle.com> Signed-off-by: Andy Lutomirski <luto@kernel.org> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/974bc40edffdb5c2950a5c4977f821a446b76178.1442791737.git.luto@kernel.org Signed-off-by: Thomas Gleixner <tglx@linutronix.de>		2015-09-22 22:40:36 +02:00
..
syscalls	sys_membarrier(): system-wide memory barrier (generic, x86)	2015-09-11 15:21:34 -07:00
vdso
vsyscall	mm: mark most vm_operations_struct const	2015-09-10 13:29:01 -07:00
calling.h
common.c
entry_32.S
entry_64_compat.S
entry_64.S	x86/nmi/64: Fix a paravirt stack-clobbering bug in the NMI code	2015-09-22 22:40:36 +02:00
Makefile
syscall_32.c
syscall_64.c
thunk_32.S
thunk_64.S