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authorIngo Molnar <mingo@kernel.org>2016-07-27 12:35:35 +0200
committerIngo Molnar <mingo@kernel.org>2016-07-27 12:35:35 +0200
commitdf15929f8f5c69e987c31bf016eca4a38dba46f0 (patch)
treecfb5fe5e8ebff4cabd70557a304f355546943cc9 /arch/x86/boot/boot.h
parentefaad554b4ffae1840a2759e09e21325ddbc8b05 (diff)
parent37e13a1ebe32c4fbfbdb5413f42eb6e71d8b28a4 (diff)
Merge branch 'linus' into x86/microcode, to pick up merge window changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/boot/boot.h')
-rw-r--r--arch/x86/boot/boot.h18
1 files changed, 10 insertions, 8 deletions
diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h
index 9011a88353de..e5612f3e3b57 100644
--- a/arch/x86/boot/boot.h
+++ b/arch/x86/boot/boot.h
@@ -24,6 +24,7 @@
#include <linux/types.h>
#include <linux/edd.h>
#include <asm/setup.h>
+#include <asm/asm.h>
#include "bitops.h"
#include "ctype.h"
#include "cpuflags.h"
@@ -176,18 +177,18 @@ static inline void wrgs32(u32 v, addr_t addr)
}
/* Note: these only return true/false, not a signed return value! */
-static inline int memcmp_fs(const void *s1, addr_t s2, size_t len)
+static inline bool memcmp_fs(const void *s1, addr_t s2, size_t len)
{
- u8 diff;
- asm volatile("fs; repe; cmpsb; setnz %0"
- : "=qm" (diff), "+D" (s1), "+S" (s2), "+c" (len));
+ bool diff;
+ asm volatile("fs; repe; cmpsb" CC_SET(nz)
+ : CC_OUT(nz) (diff), "+D" (s1), "+S" (s2), "+c" (len));
return diff;
}
-static inline int memcmp_gs(const void *s1, addr_t s2, size_t len)
+static inline bool memcmp_gs(const void *s1, addr_t s2, size_t len)
{
- u8 diff;
- asm volatile("gs; repe; cmpsb; setnz %0"
- : "=qm" (diff), "+D" (s1), "+S" (s2), "+c" (len));
+ bool diff;
+ asm volatile("gs; repe; cmpsb" CC_SET(nz)
+ : CC_OUT(nz) (diff), "+D" (s1), "+S" (s2), "+c" (len));
return diff;
}
@@ -294,6 +295,7 @@ static inline int cmdline_find_option_bool(const char *option)
/* cpu.c, cpucheck.c */
int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr);
+int check_knl_erratum(void);
int validate_cpu(void);
/* early_serial_console.c */