| リビジョン | 6a303c34761769ba753db4a9bb61ceab7bb0ca43 (tree) |
|---|---|
| 日時 | 2006-09-29 06:21:50 |
| 作者 | Toyo Abe <toyoa@mvis...> |
| コミッター | Willy Tarreau |
[PATCH] x86_64: Fix missing delay when the TSC counter just overflowed
I'd seen a problem that *delay functions return in too short delay.
It happens when the lower 32bit of TSC counter is overflowed.
This patch fixes the problem. This is back-port of Andi Kleen's
2.6 fix.
Signed-off-by: Toyo Abe <toyoa@mvista.com>
arch/x86_64/lib/delay.c (diff)| @@ -19,7 +19,7 @@ | ||
| 19 | 19 | |
| 20 | 20 | void __delay(unsigned long loops) |
| 21 | 21 | { |
| 22 | - unsigned long bclock, now; | |
| 22 | + unsigned bclock, now; | |
| 23 | 23 | |
| 24 | 24 | rdtscl(bclock); |
| 25 | 25 | do |
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