linux/arch/x86/entry
Andy Lutomirski 929bacec21 x86/entry/64: De-Xen-ify our NMI code
Xen PV is fundamentally incompatible with our fancy NMI code: it
doesn't use IST at all, and Xen entries clobber two stack slots
below the hardware frame.

Drop Xen PV support from our NMI code entirely.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Reviewed-by: Borislav Petkov <bp@suse.de>
Acked-by: Juergen Gross <jgross@suse.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Borislav Petkov <bpetkov@suse.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/bfbe711b5ae03f672f8848999a8eb2711efc7f98.1509609304.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-11-02 11:04:42 +01:00
..
syscalls Merge branch 'work.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2017-05-02 11:54:26 -07:00
vdso x86/gdt: Use bitfields for initialization 2017-08-29 12:07:25 +02:00
vsyscall sched/headers: Prepare to remove the <linux/mm_types.h> dependency from <linux/sched.h> 2017-03-02 08:42:37 +01:00
calling.h x86/entry/64: Remove the RESTORE_..._REGS infrastructure 2017-11-02 11:04:41 +01:00
common.c x86/syscalls: Check address limit on user-mode return 2017-07-08 14:05:32 +02:00
entry_32.S x86/unwind: Use MSB for frame pointer encoding on 32-bit 2017-10-10 12:49:48 +02:00
entry_64_compat.S x86/entry/64: Move SWAPGS into the common IRET-to-usermode path 2017-11-02 11:04:38 +01:00
entry_64.S x86/entry/64: De-Xen-ify our NMI code 2017-11-02 11:04:42 +01:00
Makefile x86/entry/64: Add unwind hint annotations 2017-07-18 10:57:44 +02:00
syscall_32.c x86/syscalls: Add syscall entry qualifiers 2016-01-29 09:46:38 +01:00
syscall_64.c x86/entry/64: Always run ptregs-using syscalls on the slow path 2016-01-29 09:46:38 +01:00
thunk_32.S x86: move exports to actual definitions 2016-08-07 23:47:15 -04:00
thunk_64.S x86: move exports to actual definitions 2016-08-07 23:47:15 -04:00