]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/commit
x86/vm86/32: Fix POPF emulation
authorAndy Lutomirski <luto@kernel.org>
Wed, 14 Mar 2018 05:03:12 +0000 (22:03 -0700)
committerIngo Molnar <mingo@kernel.org>
Wed, 14 Mar 2018 08:21:01 +0000 (09:21 +0100)
commitb5069782453459f6ec1fdeb495d9901a4545fcb5
treeb7078170c6ca6d205dab92973f5d41a0d848d57d
parent78393fdde2a456cafa414b171c90f26a3df98b20
x86/vm86/32: Fix POPF emulation

POPF would trap if VIP was set regardless of whether IF was set.  Fix it.

Suggested-by: Stas Sergeev <stsp@list.ru>
Reported-by: Bart Oldeman <bartoldeman@gmail.com>
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Fixes: 5ed92a8ab71f ("x86/vm86: Use the normal pt_regs area for vm86")
Link: http://lkml.kernel.org/r/ce95f40556e7b2178b6bc06ee9557827ff94bd28.1521003603.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/kernel/vm86_32.c