Quoting Daniel Vetter (2020-01-29 08:24:10)
> @@ -378,9 +409,10 @@ int drm_open(struct inode *inode, struct file *filp)
> if (IS_ERR(minor))
> return PTR_ERR(minor);
>
> - mutex_unlock(&drm_global_mutex);
> -
> dev = minor->dev;
> + if (drm_dev_needs_gl
On Wed, Jan 29, 2020 at 05:47:33PM +0100, Sam Ravnborg wrote:
> Hi Daniel.
>
> In the nit-pick department today - sorry.
>
> Subject: [PATCH 5/5] drm: Nerv drm_global_mutex BKL for good drivers
> I did not understand this subject... - what is "Nerv"?
It's a
Hi Daniel.
In the nit-pick department today - sorry.
Subject: [PATCH 5/5] drm: Nerv drm_global_mutex BKL for good drivers
I did not understand this subject... - what is "Nerv"?
Sam
On Wed, Jan 29, 2020 at 09:24:10AM +0100, Daniel Vetter wrote:
> This catches the majori
This catches the majority of drivers (unfortunately not if we take
users into account, because all the big drivers have at least a
lastclose hook).
With the prep patches out of the way all drm state is fully protected
and either prevents or can deal with the races from dropping the BKL
around open
