virtio: console: Barrier needed before dropping early_put_chars?

2010-02-23 Thread Amit Shah
Hey Rusty, Christian, Christoph Hellwig asked why we don't need a barrier before this code in virtcons_probe(): + /* Start using the new console output. */ + early_put_chars = NULL; return 0; Since only s390 uses early_put_chars so far, you'd know why it's not needed / why

Re: virtio: console: Barrier needed before dropping early_put_chars?

2010-02-23 Thread Christian Borntraeger
Am Dienstag 23 Februar 2010 18:10:22 schrieb Amit Shah: Hey Rusty, Christian, Christoph Hellwig asked why we don't need a barrier before this code in virtcons_probe(): + /* Start using the new console output. */ + early_put_chars = NULL; return 0; Since only s390 uses

Re: virtio: console: Barrier needed before dropping early_put_chars?

2010-02-23 Thread Rusty Russell
On Wed, 24 Feb 2010 03:40:22 am Amit Shah wrote: Hey Rusty, Christian, Christoph Hellwig asked why we don't need a barrier before this code in virtcons_probe(): + /* Start using the new console output. */ + early_put_chars = NULL; return 0; Since only s390 uses