Alan Cox wrote:
- Then, are we certain that there's no case where the tty layer will
call us with some lock held or in an atomic context ? To be honest,
I've totally lost track of the locking rules in tty land lately so it
might well be ok, but something to verify.
Some of the less
On (Thu) Aug 27 2009 [14:07:03], Benjamin Herrenschmidt wrote:
On Wed, 2009-08-26 at 21:15 +0530, Amit Shah wrote:
- Convert hvc's usage of spinlocks to mutexes. I've no idea how this
will play out; I'm no expert here. But I did try doing this and so far
it all looks OK. No
On (Thu) Aug 27 2009 [15:04:45], Michael Ellerman wrote:
On Wed, 2009-08-26 at 21:15 +0530, Amit Shah wrote:
[cc'ing some people who have made some commits in hvc_console.c]
On (Wed) Aug 26 2009 [16:57:18], Amit Shah wrote:
On (Tue) Aug 25 2009 [11:47:20], Amit Shah wrote:
On Thu, 2009-08-27 at 10:08 +0100, Alan Cox wrote:
- Then, are we certain that there's no case where the tty layer will
call us with some lock held or in an atomic context ? To be honest,
I've totally lost track of the locking rules in tty land lately so it
might well be ok, but something
- Then, are we certain that there's no case where the tty layer will
call us with some lock held or in an atomic context ? To be honest,
I've totally lost track of the locking rules in tty land lately so it
might well be ok, but something to verify.
Some of the less well behaved line
On Thu, 2009-08-27 at 12:22 +0530, Amit Shah wrote:
On (Thu) Aug 27 2009 [15:04:45], Michael Ellerman wrote:
Ryan you called his code pure legacy baggage if you
don't ;)
[cc'ing some people who have made some commits in hvc_console.c]
On (Wed) Aug 26 2009 [16:57:18], Amit Shah wrote:
On (Tue) Aug 25 2009 [11:47:20], Amit Shah wrote:
Hello all,
Here is a new iteration of the patch series that implements a
transport for guest and host communications.
On Wed, 2009-08-26 at 21:15 +0530, Amit Shah wrote:
- Convert hvc's usage of spinlocks to mutexes. I've no idea how this
will play out; I'm no expert here. But I did try doing this and so far
it all looks OK. No lockups, lockdep warnings, nothing. I have full
debugging enabled.
On Wed, 2009-08-26 at 21:15 +0530, Amit Shah wrote:
[cc'ing some people who have made some commits in hvc_console.c]
On (Wed) Aug 26 2009 [16:57:18], Amit Shah wrote:
On (Tue) Aug 25 2009 [11:47:20], Amit Shah wrote:
Hello all,
Here is a new iteration of the patch series that