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...ertions(+), 31 deletions(-) commit 320718ee074acce5ffced6506cb51af1388942aa Author: Anton Blanchard <anton at samba.org> Date: Tue Apr 6 21:42:38 2010 +1000 hvc_console: Fix race between hvc_close and hvc_remove I don't claim to understand the tty layer, but it seems like hvc_open and hvc_close should be balanced in their kref reference counting. Right now we get a kref every call to hvc_open: if (hp->count++ > 0) { tty_kref_get(tty); <----- here spin_unlock_irqrestore(&hp->lock, flags);...

...ertions(+), 31 deletions(-) commit 320718ee074acce5ffced6506cb51af1388942aa Author: Anton Blanchard <anton at samba.org> Date: Tue Apr 6 21:42:38 2010 +1000 hvc_console: Fix race between hvc_close and hvc_remove I don't claim to understand the tty layer, but it seems like hvc_open and hvc_close should be balanced in their kref reference counting. Right now we get a kref every call to hvc_open: if (hp->count++ > 0) { tty_kref_get(tty); <----- here spin_unlock_irqrestore(&hp->lock, flags);...

This patch set if my first attempt to make virtio_console usable on s390. To do so, I had to change hvc_console, because s390 has no request_irq and no free_irq. I want to get feedback from the main users of hvc_console before I proceed. The basic idea of this patch set is to remove the calls to request_irq and free_irq and replace them with backend specific callbacks. Please see the

This patch set if my first attempt to make virtio_console usable on s390. To do so, I had to change hvc_console, because s390 has no request_irq and no free_irq. I want to get feedback from the main users of hvc_console before I proceed. The basic idea of this patch set is to remove the calls to request_irq and free_irq and replace them with backend specific callbacks. Please see the