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| author |   Uros Bizjak <ubizjak@gmail.com> | 2018-06-29 16:28:44 +0200 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2018-08-02 14:30:42 +0200 |
| commit | 216a37202f10b7d78f2f98e26a6681f367165f05 (patch) | |
| tree | 11e0d4eb2374344178b7f7dcaccbe03d169fb5bf /arch/x86/boot | |
| parent | x86/boot/KASLR: Make local variable mem_limit static (diff) | |
| download | wireguard-linux-216a37202f10b7d78f2f98e26a6681f367165f05.tar.xz wireguard-linux-216a37202f10b7d78f2f98e26a6681f367165f05.zip | |
x86/boot: Use CC_SET()/CC_OUT() instead of open coding it
Remove open-coded uses of set instructions with CC_SET()/CC_OUT().
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20180629142844.15200-1-ubizjak@gmail.com
Diffstat (limited to 'arch/x86/boot')
| -rw-r--r-- | arch/x86/boot/bitops.h | 3 | ||||
| -rw-r--r-- | arch/x86/boot/string.c | 5 |
2 files changed, 5 insertions, 3 deletions
diff --git a/arch/x86/boot/bitops.h b/arch/x86/boot/bitops.h index 0d41d68131cc..2e1382486e91 100644 --- a/arch/x86/boot/bitops.h +++ b/arch/x86/boot/bitops.h @@ -17,6 +17,7 @@ #define _LINUX_BITOPS_H /* Inhibit inclusion of <linux/bitops.h> */ #include <linux/types.h> +#include <asm/asm.h> static inline bool constant_test_bit(int nr, const void *addr) { @@ -28,7 +29,7 @@ static inline bool variable_test_bit(int nr, const void *addr) bool v; const u32 *p = (const u32 *)addr; - asm("btl %2,%1; setc %0" : "=qm" (v) : "m" (*p), "Ir" (nr)); + asm("btl %2,%1" CC_SET(c) : CC_OUT(c) (v) : "m" (*p), "Ir" (nr)); return v; } diff --git a/arch/x86/boot/string.c b/arch/x86/boot/string.c index 16f49123d747..c4428a176973 100644 --- a/arch/x86/boot/string.c +++ b/arch/x86/boot/string.c @@ -13,6 +13,7 @@ */ #include <linux/types.h> +#include <asm/asm.h> #include "ctype.h" #include "string.h" @@ -28,8 +29,8 @@ int memcmp(const void *s1, const void *s2, size_t len) { bool diff; - asm("repe; cmpsb; setnz %0" - : "=qm" (diff), "+D" (s1), "+S" (s2), "+c" (len)); + asm("repe; cmpsb" CC_SET(nz) + : CC_OUT(nz) (diff), "+D" (s1), "+S" (s2), "+c" (len)); return diff; } |