From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/arch/x86/include/asm/tsc.h | 12 +++++-------
1 files changed, 5 insertions(+), 7 deletions(-)
diff --git a/kernel/arch/x86/include/asm/tsc.h b/kernel/arch/x86/include/asm/tsc.h
index eb5bbfe..fbdc3d9 100644
--- a/kernel/arch/x86/include/asm/tsc.h
+++ b/kernel/arch/x86/include/asm/tsc.h
@@ -6,9 +6,7 @@
#define _ASM_X86_TSC_H
#include <asm/processor.h>
-
-#define NS_SCALE 10 /* 2^10, carefully chosen */
-#define US_SCALE 32 /* 2^32, arbitralrily chosen */
+#include <asm/cpufeature.h>
/*
* Standard way to access the cycle counter.
@@ -22,19 +20,19 @@
static inline cycles_t get_cycles(void)
{
-#ifndef CONFIG_X86_TSC
- if (!boot_cpu_has(X86_FEATURE_TSC))
+ if (!IS_ENABLED(CONFIG_X86_TSC) &&
+ !cpu_feature_enabled(X86_FEATURE_TSC))
return 0;
-#endif
-
return rdtsc();
}
+#define get_cycles get_cycles
extern struct system_counterval_t convert_art_to_tsc(u64 art);
extern struct system_counterval_t convert_art_ns_to_tsc(u64 art_ns);
extern void tsc_early_init(void);
extern void tsc_init(void);
+extern unsigned long calibrate_delay_is_known(void);
extern void mark_tsc_unstable(char *reason);
extern int unsynchronized_tsc(void);
extern int check_tsc_unstable(void);
--
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