x86/cpufeature: Update _static_cpu_has() to use all named variables

Because more readable..

Requested-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 910a306..736771c 100644 (file)
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -156,7 +156,7 @@ static __always_inline __pure bool _static_cpu_has(u16 bit)
                 ".section .altinstructions,\"a\"\n"
                 " .long 1b - .\n"              /* src offset */
                 " .long 4f - .\n"              /* repl offset */
-                " .word %P1\n"                 /* always replace */
+                " .word %P[always]\n"          /* always replace */
                 " .byte 3b - 1b\n"             /* src len */
                 " .byte 5f - 4f\n"             /* repl len */
                 " .byte 3b - 2b\n"             /* pad len */
@@ -168,7 +168,7 @@ static __always_inline __pure bool _static_cpu_has(u16 bit)
                 ".section .altinstructions,\"a\"\n"
                 " .long 1b - .\n"              /* src offset */
                 " .long 0\n"                   /* no replacement */
-                " .word %P0\n"                 /* feature bit */
+                " .word %P[feature]\n"         /* feature bit */
                 " .byte 3b - 1b\n"             /* src len */
                 " .byte 0\n"                   /* repl len */
                 " .byte 0\n"                   /* pad len */
@@ -179,8 +179,9 @@ static __always_inline __pure bool _static_cpu_has(u16 bit)
                 " jnz %l[t_yes]\n"
                 " jmp %l[t_no]\n"
                 ".previous\n"
-                : : "i" (bit), "i" (X86_FEATURE_ALWAYS),
-                    [bitnum] "i" (1 << (bit & 7)),
+                : : [feature]  "i" (bit),
+                    [always]   "i" (X86_FEATURE_ALWAYS),
+                    [bitnum]   "i" (1 << (bit & 7)),
                     [cap_byte] "m" (((const char *)boot_cpu_data.x86_capability)[bit >> 3])
                 : : t_yes, t_no);
 t_yes: