Re: [PATCH] convert sbmac tx to spin_lock_irqsave to prevent early IRQ enable

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Ralf Baechle wrote:
On Wed, Sep 17, 2008 at 07:40:51AM -0400, Jeff Garzik wrote:

On Wed, Sep 17, 2008 at 10:25:37AM +0800, Weiwei Wang wrote:
Netpoll will call the interrupt handler with interrupts
disabled when using kgdboe, so spin_lock_irqsave() should
be used instead of spin_lock_irq() to prevent interrupts
from being incorrectly enabled.

Signed-off-by: Weiwei Wang <weiwei.wang@xxxxxxxxxxxxx>
---
 drivers/net/sb1250-mac.c |   12 +++++++-----
 1 files changed, 7 insertions(+), 5 deletions(-)
Please send to jeff@xxxxxxxxxx or jgarzik@xxxxxxxxxx

Jeff - I haven't looked at kgdboe but if he's right half of drivers/net
will need to be fixed ...

Oh indeed. I mainly do it on a case-by-case basis where people care. I overall think its a bogus change that deserves pushback, but that involves non-networking layers. In the end, case-by-case application seemed to win.

	Jeff





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