diff options
| author | Josh Poimboeuf <[email protected]> | 2017-10-20 11:21:35 -0500 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2017-10-23 13:31:34 +0200 |
| commit | 82c62fa0c49aa305104013cee4468772799bb391 (patch) | |
| tree | 40bb1bdc8ee94e11b79b07fd362956846095a726 | |
| parent | bae9525531c1f73bfd9b34d2e065d95a352ba9da (diff) | |
x86/asm: Don't use the confusing '.ifeq' directive
I find the '.ifeq <expression>' directive to be confusing. Reading it
quickly seems to suggest its opposite meaning, or that it's missing an
argument.
Improve readability by replacing all of its x86 uses with
'.if <expression> == 0'.
Signed-off-by: Josh Poimboeuf <[email protected]>
Cc: Andrei Vagin <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: http://lkml.kernel.org/r/757da028e802c7e98d23fbab8d234b1063e161cf.1508516398.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <[email protected]>
| -rw-r--r-- | arch/x86/entry/entry_64.S | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/head_32.S | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/head_64.S | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index f6cdb7a1455e..846e84a1d1f7 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -817,7 +817,7 @@ ENTRY(\sym) ASM_CLAC - .ifeq \has_error_code + .if \has_error_code == 0 pushq $-1 /* ORIG_RAX: no syscall to restart */ .endif diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index 9ed3074d0d27..6e50f87765e5 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -401,7 +401,7 @@ ENTRY(early_idt_handler_array) # 24(%rsp) error code i = 0 .rept NUM_EXCEPTION_VECTORS - .ifeq (EXCEPTION_ERRCODE_MASK >> i) & 1 + .if ((EXCEPTION_ERRCODE_MASK >> i) & 1) == 0 pushl $0 # Dummy error code, to make stack frame uniform .endif pushl $i # 20(%esp) Vector number diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index 42e32c2e51bb..311db1a73c11 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -273,7 +273,7 @@ ENDPROC(start_cpu0) ENTRY(early_idt_handler_array) i = 0 .rept NUM_EXCEPTION_VECTORS - .ifeq (EXCEPTION_ERRCODE_MASK >> i) & 1 + .if ((EXCEPTION_ERRCODE_MASK >> i) & 1) == 0 UNWIND_HINT_IRET_REGS pushq $0 # Dummy error code, to make stack frame uniform .else |