A few of the user_mode checks in traps.c are immediately after explicit checks for vm86 mode. Change them to user_mode_ignore_vm86.
Signed-off-by: Andy Lutomirski <[email protected]> --- arch/x86/kernel/traps.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 081252c44cde..376fc1562bd1 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -208,7 +208,7 @@ do_trap_no_signal(struct task_struct *tsk, int trapnr, char *str, return -1; } #endif - if (!user_mode(regs)) { + if (!user_mode_ignore_vm86(regs)) { if (!fixup_exception(regs)) { tsk->thread.error_code = error_code; tsk->thread.trap_nr = trapnr; @@ -471,7 +471,7 @@ do_general_protection(struct pt_regs *regs, long error_code) #endif tsk = current; - if (!user_mode(regs)) { + if (!user_mode_ignore_vm86(regs)) { if (fixup_exception(regs)) goto exit; @@ -688,7 +688,7 @@ dotraplinkage void do_debug(struct pt_regs *regs, long error_code) * We already checked v86 mode above, so we can check for kernel mode * by just checking the CPL of CS. */ - if ((dr6 & DR_STEP) && !user_mode(regs)) { + if ((dr6 & DR_STEP) && !user_mode_ignore_vm86(regs)) { tsk->thread.debugreg6 &= ~DR_STEP; set_tsk_thread_flag(tsk, TIF_SINGLESTEP); regs->flags &= ~X86_EFLAGS_TF; -- 2.3.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
