x86/xen: Use specific Xen pv interrupt entry for DF
authorJuergen Gross <jgross@suse.com>
Wed, 20 Jan 2021 13:55:43 +0000 (14:55 +0100)
committerBorislav Petkov <bp@suse.de>
Wed, 10 Feb 2021 11:13:40 +0000 (12:13 +0100)
commit5b4c6d65019bff65757f61adbbad5e45a333b800
treeef31155eaed955321da66b2c6b03d17c4ee1119f
parentc3d7fa6684b5b3a07a48fc379d27bfb8a96661d9
x86/xen: Use specific Xen pv interrupt entry for DF

Xen PV guests don't use IST. For double fault interrupts, switch to
the same model as NMI.

Correct a typo in a comment while copying it.

Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20210120135555.32594-4-jgross@suse.com
arch/x86/include/asm/idtentry.h
arch/x86/xen/enlighten_pv.c
arch/x86/xen/xen-asm.S