On Tue, Aug 27, 2013 at 10:39 PM, Alan Stern st...@rowland.harvard.edu wrote:
On Tue, 27 Aug 2013, Ming Lei wrote:
Yes. A new spinlock would be needed to synchronize the top half and
the bottom half. The same spinlock would also be used to avoid
scheduling the tasklet when it is already
On Tue, 27 Aug 2013, Ming Lei wrote:
Yes. A new spinlock would be needed to synchronize the top half and
the bottom half. The same spinlock would also be used to avoid
scheduling the tasklet when it is already running, like in your
implementation.
Then every HCD need to copy these
On Mon, 26 Aug 2013, Ming Lei wrote:
On Sat, 24 Aug 2013, Ming Lei wrote:
But the current interrupt from EHCI isn't be acked(USBSTS isn't cleared),
so EHCI HW don't know the irq has been handled, then it is reasonable
that the EHCI interrupt still interrupts CPU.
EHCI spec(4.15)
On Mon, Aug 26, 2013 at 11:29 PM, Alan Stern st...@rowland.harvard.edu wrote:
On Mon, 26 Aug 2013, Ming Lei wrote:
On Sat, 24 Aug 2013, Ming Lei wrote:
But the current interrupt from EHCI isn't be acked(USBSTS isn't cleared),
so EHCI HW don't know the irq has been handled, then it is
To begin with, the whole point of this RFC was to show that moving the
entire IRQ handler (or even a large part of it) to a tasklet would have
been at least as simple as moving the givebacks alone.
Now that I realize the hrtimer and unlink pathways would have to be
changed too, it's not quite
On Sun, Aug 25, 2013 at 10:45 PM, Alan Stern st...@rowland.harvard.edu wrote:
To begin with, the whole point of this RFC was to show that moving the
entire IRQ handler (or even a large part of it) to a tasklet would have
been at least as simple as moving the givebacks alone.
Now that I
Le Thu, 22 Aug 2013 21:39:17 +0100,
Alan Stern st...@rowland.harvard.edu a écrit :
This patch divides ehci-hcd's interrupt handler into a top half and a
bottom half, using a tasklet to execute the latter.
The conversion is very straightforward. The only subtle point is that
we have to
On Fri, 23 Aug 2013, Matthieu CASTET wrote:
Le Thu, 22 Aug 2013 21:39:17 +0100,
Alan Stern st...@rowland.harvard.edu a �crit :
This patch divides ehci-hcd's interrupt handler into a top half and a
bottom half, using a tasklet to execute the latter.
The conversion is very
On Fri, 23 Aug 2013, Ming Lei wrote:
On Fri, Aug 23, 2013 at 4:39 AM, Alan Stern st...@rowland.harvard.edu wrote:
This patch divides ehci-hcd's interrupt handler into a top half and a
bottom half, using a tasklet to execute the latter.
The conversion is very straightforward. The only
On Sat, Aug 24, 2013 at 12:06 AM, Alan Stern st...@rowland.harvard.edu wrote:
On Fri, 23 Aug 2013, Ming Lei wrote:
On Fri, Aug 23, 2013 at 4:39 AM, Alan Stern st...@rowland.harvard.edu
wrote:
This patch divides ehci-hcd's interrupt handler into a top half and a
bottom half, using a
This patch divides ehci-hcd's interrupt handler into a top half and a
bottom half, using a tasklet to execute the latter.
The conversion is very straightforward. The only subtle point is that
we have to ignore interrupts that arrive while the tasklet is running
(i.e., from another device on a
11 matches
Mail list logo
