On Mon, 16 Apr 2007, Dmitry Torokhov wrote:
> Hi Mauro,
>
> On 4/15/07, Mauro Carvalho Chehab <[email protected]> wrote:
> > - Fix Kernel Bugzilla #8301: spinlock fix for flexcop-pci
>
> While move of spin_lock_init before request_irq is obviously correct I
> wonder what is the reason behind changing spin_lock_irq() into
> spin_lock_irqsave() as I do not see flexcop_pci_isr being called from
> anywhere but IRQ context.
>
> BTW, is irq_lock needed at all?
There was some more discussion on the linux-dvb list
http://www.linuxtv.org/pipermail/linux-dvb/2007-April/017024.html , and I
think we came to the conclusion that irq_lock isn't needed at all. It does
nothing but serialize the ISR and ISRs are automatically serialized by the
kernel.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
