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| author | Peter Zijlstra <peterz@infradead.org> | 2018-01-16 09:34:01 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-02-06 10:29:42 +0100 |
| commit | 3197b04bb39b596613ff2f8143c5cd0a6908debf (patch) | |
| tree | 30ec694ca564190a6a5e79ad159e79d37c949537 /arch/x86/include/asm/cpufeature.h | |
| parent | 5355ccbe02da413df22eb05f89ca2da9959f9147 (diff) | |
| download | linux-0-day-3197b04bb39b596613ff2f8143c5cd0a6908debf.tar.gz linux-0-day-3197b04bb39b596613ff2f8143c5cd0a6908debf.tar.xz | |
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>
Diffstat (limited to 'arch/x86/include/asm/cpufeature.h')
| -rw-r--r-- | arch/x86/include/asm/cpufeature.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index 910a30699ffb8..736771c9822ef 100644 --- 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: |