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Date: Mon, 07 May 2007 00:26:54 -0700 (PDT) From: David Miller <davem@...emloft.net> To: mchan@...adcom.com Cc: jeff@...zik.org, netdev@...r.kernel.org Subject: Re: [PATCH revised 10/11][TG3]: Eliminate spurious interrupts. From: "Michael Chan" <mchan@...adcom.com> Date: Sat, 05 May 2007 17:19:31 -0700 > [TG3]: Eliminate spurious interrupts. > > Spurious interrupts are often encountered especially on systems > using the 8259 PIC mode. This is because the I/O write to deassert > the interrupt is posted and won't get to the chip immediately. As > a result, the IRQ may remain asserted after the IRQ handler exits, > causing spurious interrupts. > > Flush the interrupt mailbox in non-MSI handlers to de-assert the > IRQ immediately. This seems to be the most straight forward approach > after discussion with Jeff Garzik and David Miller. > > Signed-off-by: Michael Chan <mchan@...adcom.com> Applied. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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