| To: | netdev@xxxxxxxxxxx |
|---|---|
| Subject: | rudimentary ISR question |
| From: | Steve Modica <modica@xxxxxxx> |
| Date: | Mon, 12 Apr 2004 17:16:39 -0500 |
| Sender: | netdev-bounce@xxxxxxxxxxx |
| User-agent: | Mozilla/5.0 (Macintosh; U; PPC Mac OS X Mach-O; en-US; rv:1.6) Gecko/20040113 |
Hi All,I'm looking at the tg3.c driver in the 2.4.21 kernel and in the _interrupt routing, the driver is calling spin_lock_irqsave. Since it's guaranteed that the tg3 interrupt handler will be disabled for the duration of the interrupt handler, why can't the driver simply call spin_lock? Steve |
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