x86/asm/entry/64: Tidy up JZ insns after TESTs
authorDenys Vlasenko <[email protected]>
Mon, 27 Apr 2015 13:21:51 +0000 (15:21 +0200)
committerIngo Molnar <[email protected]>
Fri, 8 May 2015 09:07:31 +0000 (11:07 +0200)
After TESTs, use logically correct JZ/JNZ mnemonics instead of
JE/JNE. This doesn't change code.

Signed-off-by: Denys Vlasenko <[email protected]>
Acked-by: Andy Lutomirski <[email protected]>
Cc: Alexei Starovoitov <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Will Drewry <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
arch/x86/kernel/entry_64.S

index e952f6bf1d6d2d261fd5d0e569611f1e0dc64cbe..8f8b22a361df5450b2c48c7a31fed4adc5b63930 100644 (file)
@@ -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