Hi
Am 14.02.22 um 10:05 schrieb Geert Uytterhoeven:
Hi Thomas,
On Mon, Feb 14, 2022 at 9:28 AM Thomas Zimmermann wrote:
Am 14.02.22 um 09:05 schrieb Geert Uytterhoeven:
On Thu, Feb 10, 2022 at 4:24 PM Thomas Zimmermann wrote:
Fbdev's deferred I/O sorts all dirty pages by default, which
Hi Thomas,
On Mon, Feb 14, 2022 at 9:28 AM Thomas Zimmermann wrote:
> Am 14.02.22 um 09:05 schrieb Geert Uytterhoeven:
> > On Thu, Feb 10, 2022 at 4:24 PM Thomas Zimmermann
> > wrote:
> >> Fbdev's deferred I/O sorts all dirty pages by default, which incurs a
> >> significant overhead. Make the
Hi
Am 14.02.22 um 09:05 schrieb Geert Uytterhoeven:
Hi Thomas,
On Thu, Feb 10, 2022 at 4:24 PM Thomas Zimmermann wrote:
Fbdev's deferred I/O sorts all dirty pages by default, which incurs a
significant overhead. Make the sorting step optional and update the few
drivers that require it. Use a
Hi Thomas,
On Thu, Feb 10, 2022 at 4:24 PM Thomas Zimmermann wrote:
> Fbdev's deferred I/O sorts all dirty pages by default, which incurs a
> significant overhead. Make the sorting step optional and update the few
> drivers that require it. Use a FIFO list by default.
>
> Sorting pages by memory
Hi
Am 11.02.22 um 08:58 schrieb Dan Carpenter:
On Thu, Feb 10, 2022 at 10:16:45PM +0100, Sam Ravnborg wrote:
diff --git a/drivers/video/fbdev/core/fb_defio.c
b/drivers/video/fbdev/core/fb_defio.c
index 3727b1ca87b1..1f672cf253b2 100644
--- a/drivers/video/fbdev/core/fb_defio.c
+++
Hi Sam
Am 10.02.22 um 22:16 schrieb Sam Ravnborg:
Hi Thomas,
On Thu, Feb 10, 2022 at 03:11:13PM +0100, Thomas Zimmermann wrote:
Fbdev's deferred I/O sorts all dirty pages by default, which incurs a
significant overhead. Make the sorting step optional and update the few
drivers that require
On Thu, Feb 10, 2022 at 10:16:45PM +0100, Sam Ravnborg wrote:
> > diff --git a/drivers/video/fbdev/core/fb_defio.c
> > b/drivers/video/fbdev/core/fb_defio.c
> > index 3727b1ca87b1..1f672cf253b2 100644
> > --- a/drivers/video/fbdev/core/fb_defio.c
> > +++ b/drivers/video/fbdev/core/fb_defio.c
> >
Hi Thomas,
On Thu, Feb 10, 2022 at 03:11:13PM +0100, Thomas Zimmermann wrote:
> Fbdev's deferred I/O sorts all dirty pages by default, which incurs a
> significant overhead. Make the sorting step optional and update the few
> drivers that require it. Use a FIFO list by default.
>
> Sorting pages
On Thu, Feb 10, 2022 at 03:11:13PM +0100, Thomas Zimmermann wrote:
> Fbdev's deferred I/O sorts all dirty pages by default, which incurs a
> significant overhead. Make the sorting step optional and update the few
> drivers that require it. Use a FIFO list by default.
>
> Sorting pages by memory
Fbdev's deferred I/O sorts all dirty pages by default, which incurs a
significant overhead. Make the sorting step optional and update the few
drivers that require it. Use a FIFO list by default.
Sorting pages by memory offset for deferred I/O performs an implicit
bubble-sort step on the list of
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