Re: [PATCH] fbcon: Make fbcon a built-time depency for fbdev

2017-06-28 Thread Daniel Vetter
On Wed, Jun 28, 2017 at 5:08 PM, Steven Rostedt wrote: > On Wed, 28 Jun 2017 12:36:35 +0200 > Daniel Vetter wrote: > >> There's a bunch of folks who're trying to make printk less >> contended and faster, but there's a problem: printk uses the >> console_lock, and the console lock has become the B

Re: [PATCH] fbcon: Make fbcon a built-time depency for fbdev

2017-06-28 Thread Daniel Vetter
On Wed, Jun 28, 2017 at 1:00 PM, Alan Cox wrote: > On Wed, 28 Jun 2017 12:36:35 +0200 > Daniel Vetter wrote: > >> There's a bunch of folks who're trying to make printk less >> contended and faster, but there's a problem: printk uses the >> console_lock, and the console lock has become the BKL for

Re: [PATCH] fbcon: Make fbcon a built-time depency for fbdev

2017-06-28 Thread Alan Cox
On Wed, 28 Jun 2017 12:36:35 +0200 Daniel Vetter wrote: > There's a bunch of folks who're trying to make printk less > contended and faster, but there's a problem: printk uses the > console_lock, and the console lock has become the BKL for all things > fbdev/fbcon, which in turn pulled in half th

[PATCH] fbcon: Make fbcon a built-time depency for fbdev

2017-06-28 Thread Daniel Vetter
There's a bunch of folks who're trying to make printk less contended and faster, but there's a problem: printk uses the console_lock, and the console lock has become the BKL for all things fbdev/fbcon, which in turn pulled in half the drm subsystem under that lock. That's awkward. There reasons fo