Re: [PATCH] removal of unnecessary irq save/restore in tasklet_hi_schedule

From: Richard Zidlicky (Richard.Zidlicky@stud.informatik.uni-erlangen.de)
Date: Thu Jul 27 2000 - 08:29:42 EST


On Wed, Jul 26, 2000 at 05:28:57PM +0100, Tigran Aivazian wrote:
> On Wed, 26 Jul 2000, Linus Torvalds wrote:
> > We use the interrupt blocking hardware to make sure that as long
> > as irq A is running, further instances of irq A are blocked. OTHER
> > interrupts can still happen.
>
> I thought this depended on whether SA_INTERRUPT is passed or is this not
> the case anymore (it was the case in 2.2.x). I.e.

more often the irq handler plays with sti() and save/restore_flags()
itself. Caused me quite some headaches with ide drivers :-(

Bye
Richard

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Mon Jul 31 2000 - 21:00:26 EST