x86/xen: Support early interrupts in xen pv guests

Browse source

[ Upstream commit 42b3a4cb56 ]

Add early interrupt handlers activated by idt_setup_early_handler() to
the handlers supported by Xen pv guests. This will allow for early
WARN() calls not crashing the guest.

Suggested-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: xen-devel@lists.xenproject.org
Cc: boris.ostrovsky@oracle.com
Link: https://lkml.kernel.org/r/20171124084221.30172-1-jgross@suse.com
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Juergen Gross 2017-11-24 09:42:21 +01:00 • committed by Greg Kroah-Hartman

parent 99a8cad9c1

commit aafb1a7eb0

4 changed files with 53 additions and 14 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

12

arch/x86/include/asm/segment.h

View file

4

arch/x86/mm/extable.c

View file

37

arch/x86/xen/enlighten_pv.c

View file

14

arch/x86/xen/xen-asm_64.S

View file