From ea08eeccae9297f7aabd2ef7f0c2517ac4549acc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:18:26 +0000
Subject: [PATCH] write in 30M
---
kernel/arch/x86/include/asm/clocksource.h | 14 +++++++++++---
1 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/kernel/arch/x86/include/asm/clocksource.h b/kernel/arch/x86/include/asm/clocksource.h
index 3f73dff..dc9dc7b 100644
--- a/kernel/arch/x86/include/asm/clocksource.h
+++ b/kernel/arch/x86/include/asm/clocksource.h
@@ -6,8 +6,16 @@
#include <asm/vdso/clocksource.h>
-struct arch_clocksource_data {
- int vclock_mode;
-};
+extern unsigned int vclocks_used;
+
+static inline bool vclock_was_used(int vclock)
+{
+ return READ_ONCE(vclocks_used) & (1U << vclock);
+}
+
+static inline void vclocks_set_used(unsigned int which)
+{
+ WRITE_ONCE(vclocks_used, READ_ONCE(vclocks_used) | (1 << which));
+}
#endif /* _ASM_X86_CLOCKSOURCE_H */
--
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