Messages in this thread Patch in this message | | | From | Andy Lutomirski <> | Subject | [RFC/PATCH 3/7] [TEMPORARY] x86/entry/32: Sanity check for work_notifysig | Date | Wed, 8 Jul 2015 12:24:00 -0700 |
| |
44fbbb3dc687c added an unnecessary check. Add a temporary assertion to confirm that it's unnecessary.
Signed-off-by: Andy Lutomirski <luto@kernel.org> --- arch/x86/entry/entry_32.S | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index a36d5df6a749..d36afad80ad1 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -491,10 +491,13 @@ 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 - jb resume_kernel + jnb 2f + ud2 +2: xorl %edx, %edx call do_notify_resume jmp resume_userspace -- 2.4.3
| |