This was pretty hard to read, improve it.
Reviewed-by: Borislav Petkov <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Fenghua Yu <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
---
arch/x86/include/asm/processor.h | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 64d6b5d97ce9..28df85561730 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -435,11 +435,11 @@ struct fpu {
union thread_xstate *state;
/*
* This counter contains the number of consecutive context switches
- * that the FPU is used. If this is over a threshold, the lazy fpu
- * saving becomes unlazy to save the trap. This is an unsigned char
- * so that after 256 times the counter wraps and the behavior turns
- * lazy again; this to deal with bursty apps that only use FPU for
- * a short time
+ * during which the FPU stays used. If this is over a threshold, the
+ * lazy fpu saving logic becomes unlazy, to save the trap overhead.
+ * This is an unsigned char so that after 256 iterations the counter
+ * wraps and the context switch behavior turns lazy again; this is to
+ * deal with bursty apps that only use the FPU for a short time:
*/
unsigned char counter;
};
--
2.1.0
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