Re: [PATCH] fbuffer: improve toggle cursor performance

2015-05-27 Thread Greg Kurz
On Wed, 27 May 2015 07:59:34 +0200 Thomas Huth wrote: > On Wed, 27 May 2015 02:11:13 +0200 > Greg Kurz wrote: > > > SLOF currently calls hv-logical-load and hv-logical-store for every pixel > > when enabling or disabling the cursor. This is suboptimal when writing one > > char at a time to the

Re: [PATCH] fbuffer: improve toggle cursor performance

2015-05-27 Thread Nikunj A Dadhania
Greg Kurz writes: > On Wed, 27 May 2015 10:41:06 +0530 > Nikunj A Dadhania wrote: > >> Greg Kurz writes: >> >> > SLOF currently calls hv-logical-load and hv-logical-store for every pixel >> > when enabling or disabling the cursor. This is suboptimal when writing one >> > char at a time to the

Re: [PATCH] fbuffer: improve toggle cursor performance

2015-05-27 Thread Greg Kurz
On Wed, 27 May 2015 10:41:06 +0530 Nikunj A Dadhania wrote: > Greg Kurz writes: > > > SLOF currently calls hv-logical-load and hv-logical-store for every pixel > > when enabling or disabling the cursor. This is suboptimal when writing one > > char at a time to the console since terminal-write a

Re: [PATCH] fbuffer: improve toggle cursor performance

2015-05-26 Thread Thomas Huth
On Wed, 27 May 2015 02:11:13 +0200 Greg Kurz wrote: > SLOF currently calls hv-logical-load and hv-logical-store for every pixel > when enabling or disabling the cursor. This is suboptimal when writing one > char at a time to the console since terminal-write always toggles the cursor. > And this i

Re: [PATCH] fbuffer: improve toggle cursor performance

2015-05-26 Thread Nikunj A Dadhania
Greg Kurz writes: > SLOF currently calls hv-logical-load and hv-logical-store for every pixel > when enabling or disabling the cursor. This is suboptimal when writing one > char at a time to the console since terminal-write always toggles the cursor. > And this is precisely what grub is doing whe