[RFC/PATCH 4/7] x86/entry/32: Finish removing bogus kernel-mode check

From: Andy Lutomirski
Date: Wed Jul 08 2015 - 15:25:17 EST


Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>
---
arch/x86/entry/entry_32.S | 7 -------
1 file changed, 7 deletions(-)

diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S
index d36afad80ad1..66ff9c4055d7 100644
--- a/arch/x86/entry/entry_32.S
+++ b/arch/x86/entry/entry_32.S
@@ -491,13 +491,6 @@ work_notifysig: # deal with pending signals and
#endif
TRACE_IRQS_ON
ENABLE_INTERRUPTS(CLBR_NONE)
- /* Temporary sanity check */
- movb PT_CS(%esp), %bl
- andb $SEGMENT_RPL_MASK, %bl
- cmpb $USER_RPL, %bl
- jnb 2f
- ud2
-2:
xorl %edx, %edx
call do_notify_resume
jmp resume_userspace
--
2.4.3

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/