x86/asm/entry/64: Tidy up JZ insns after TESTs

After TESTs, use logically correct JZ/JNZ mnemonics instead of
JE/JNE. This doesn't change code.

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
Acked-by: Andy Lutomirski <luto@kernel.org>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Drewry <wad@chromium.org>
Link: http://lkml.kernel.org/r/1430140912-7960-1-git-send-email-dvlasenk@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index e952f6b..8f8b22a 100644 (file)
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -666,7 +666,7 @@ END(irq_entries_start)
        leaq -RBP(%rsp),%rdi    /* arg1 for \func (pointer to pt_regs) */
 
        testl $3, CS-RBP(%rsp)
-       je 1f
+       jz      1f
        SWAPGS
 1:
        /*
@@ -721,7 +721,7 @@ ret_from_intr:
        CFI_ADJUST_CFA_OFFSET   RBP
 
        testl $3,CS(%rsp)
-       je retint_kernel
+       jz      retint_kernel
        /* Interrupt came from user space */
 
        GET_THREAD_INFO(%rcx)
@@ -1310,7 +1310,7 @@ ENTRY(error_entry)
        SAVE_EXTRA_REGS 8
        xorl %ebx,%ebx
        testl $3,CS+8(%rsp)
-       je error_kernelspace
+       jz      error_kernelspace
 error_swapgs:
        SWAPGS
 error_sti:
@@ -1361,7 +1361,7 @@ ENTRY(error_exit)
        TRACE_IRQS_OFF
        GET_THREAD_INFO(%rcx)
        testl %eax,%eax
-       jne retint_kernel
+       jnz retint_kernel
        LOCKDEP_SYS_EXIT_IRQ
        movl TI_flags(%rcx),%edx
        movl $_TIF_WORK_MASK,%edi